{"artifacts":{"doi:10.1007/s11106-008-9026-2/p12/text-02":{"artifact":"text_passage","label":"page 12, passage 2","page":12},"doi:10.1007/s11106-008-9026-2/p14/text-44":{"artifact":"text_passage","label":"page 14, passage 44","page":14},"doi:10.1007/s11106-008-9026-2/p2/text-02":{"artifact":"text_passage","label":"page 2, passage 2","page":2},"doi:10.1007/s11106-008-9026-2/p5/tab-2":{"artifact":"table","caption":"Coordinates of Invariant Equilibria in the Cu–Ti System","label":"2","page":5},"doi:10.1007/s11106-008-9026-2/p6/tab-2":{"artifact":"table","caption":"Continued","label":"2","page":6},"doi:10.1007/s11106-008-9026-2/p7/tab-2":{"artifact":"table","caption":"Continued","label":"2","page":7},"doi:10.1007/s11106-008-9026-2/p8/tab-3":{"artifact":"table","caption":"Thermodynamic Properties of the Intermetallic Compounds of the Cu–Ti System","label":"3","page":8}},"cite_as":{"also_cite":["the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work)"],"bibtex":"@misc{orchid_literature_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23735569},\n  url       = {https://doi.org/10.5281/zenodo.23735569},\n  note      = {Version 1, machine-extracted}\n}","dataset":"literature","doi":"10.5281/zenodo.23735569","license":"CC-BY-4.0","part_of":{"bibtex":"@misc{orchid_data_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23736065},\n  url       = {https://doi.org/10.5281/zenodo.23736065},\n  note      = {Version 1, machine-extracted}\n}","doi":"10.5281/zenodo.23736065","text":"R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23736065","title":"ORCHID data: umbrella record of the ORCHID datasets","url":"https://doi.org/10.5281/zenodo.23736065"},"release_tag":"v2026.10","status":"Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.","text":"R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23735569","title":"ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature","url":"https://doi.org/10.5281/zenodo.23735569","version":"2026.10"},"contexts":{},"elements":["CU","TI"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{"M3450ca50":{"catalog_entry":{"license":"CC BY 4.0","name":"CuTi-08Tur.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"Powder Metall. Met. Ceram., 47, 344-60(2008).","model_doi":"10.1007/s11106-008-9026-2","reproduced_by_calculation":true,"tdb":"CuTi-08Tur.tdb","tdb_path":"databases/sgte-binary/CuTi-08Tur.tdb","tdb_sha256":"1a8c1bd85f7576fde331122ccc6ec8ae995ee911fc9b3a21e8b27af0a96205d7"},"Maac7877b":{"catalog_entry":{"license":"CC BY 4.0","name":"CuTi-08Tur.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model (TDB header cites this paper)","model_citation":"Powder Metall. Met. Ceram., 47, 344-60(2008).","model_doi":"10.1007/s11106-008-9026-2","tdb":"CuTi-08Tur.tdb","tdb_path":"databases/sgte-binary/CuTi-08Tur.tdb","tdb_sha256":"1a8c1bd85f7576fde331122ccc6ec8ae995ee911fc9b3a21e8b27af0a96205d7"},"Mba2c2ab7":{"catalog_entry":{"license":"CC BY 4.0","name":"CuTi-08Tur.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"Powder Metall. Met. Ceram., 47, 344-60(2008).","model_doi":"10.1007/s11106-008-9026-2","reproduced_by_calculation":false,"tdb":"CuTi-08Tur.tdb","tdb_path":"databases/sgte-binary/CuTi-08Tur.tdb","tdb_sha256":"1a8c1bd85f7576fde331122ccc6ec8ae995ee911fc9b3a21e8b27af0a96205d7"}},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1002/pssa.2210520121":{"authors":["R. C. Ecob","J. V. Bee","B. Ralph"],"citation":"R. C. Ecob, J. V. Bee, B. Ralph, The structure of the β-phase in dilute copper–titanium alloys, Phys. Stat. Sol. (a) 52, 201-210 (1979).","container":"Phys. Stat. Sol. (a)","doi":"10.1002/pssa.2210520121","doi_url":"https://doi.org/10.1002/pssa.2210520121","id":"doi:10.1002/pssa.2210520121","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"The structure of the β-phase in dilute copper–titanium alloys","year":1979},"doi:10.1007/bf00278149":{"authors":["T. Yamane","S. Nakajima","H. Araki","Y. Minamino","S. Saji","J. Takahashi","Y. Miyamoto"],"citation":"T. Yamane, S. Nakajima, H. Araki, Y. Minamino, S. Saji, J. Takahashi et al., Partial phase diagrams of the titanium-rich region of the Ti-Cu system under high pressure, J Mater Sci Lett 13, 162-164 (1994).","container":"J Mater Sci Lett","doi":"10.1007/bf00278149","doi_url":"https://doi.org/10.1007/bf00278149","id":"doi:10.1007/bf00278149","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Partial phase diagrams of the titanium-rich region of the Ti-Cu system under high pressure","year":1994},"doi:10.1007/bf00775543":{"authors":["V. N. Eremenko","Yu. I. Buyanov","S. B. Prima"],"citation":"V. N. Eremenko, Yu. I. Buyanov, S. B. Prima, Phase diagram of the system titanium-copper, Powder Metall Met Ceram 5, 494-502 (1966).","container":"Powder Metall Met Ceram","doi":"10.1007/bf00775543","doi_url":"https://doi.org/10.1007/bf00775543","id":"doi:10.1007/bf00775543","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Phase diagram of the system titanium-copper","year":1966},"doi:10.1007/bf00796511":{"authors":["V. N. Eremenko","Yu. I. Buyanov","N. M. Panchenko"],"citation":"V. N. Eremenko, Yu. I. Buyanov, N. M. Panchenko, Polythermal and isothermal sections of the system titanium-copper-silver. Part II, Powder Metall Met Ceram 9, 410-414 (1970).","container":"Powder Metall Met Ceram","doi":"10.1007/bf00796511","doi_url":"https://doi.org/10.1007/bf00796511","id":"doi:10.1007/bf00796511","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Polythermal and isothermal sections of the system titanium-copper-silver. Part II","year":1970},"doi:10.1007/bf01389606":{"authors":["V. E. Oliker","A. A. Mamonova","T. I. Shaposhnikova"],"citation":"V. E. Oliker, A. A. Mamonova, T. I. Shaposhnikova, Structure and phase composition of the Ti-Cu diffusion zone, Powder Metall Met Ceram 35, 173-175 (1996).","container":"Powder Metall Met Ceram","doi":"10.1007/bf01389606","doi_url":"https://doi.org/10.1007/bf01389606","id":"doi:10.1007/bf01389606","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Structure and phase composition of the Ti-Cu diffusion zone","year":1996},"doi:10.1007/bf02667755":{"authors":["O. J. Kleppa","Shunroku Watanabe"],"citation":"O. J. Kleppa, Shunroku Watanabe, Thermochemistry of alloys of transition metals: Part III. Copper-Silver, -Titanium, Zirconium, and -Hafnium at 1373 K, Metall Trans B 13, 391-401 (1982).","container":"Metall Trans B","doi":"10.1007/bf02667755","doi_url":"https://doi.org/10.1007/bf02667755","id":"doi:10.1007/bf02667755","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Thermochemistry of alloys of transition metals: Part III. Copper-Silver, -Titanium, Zirconium, and -Hafnium at 1373 K","year":1982},"doi:10.1007/s11106-008-9026-2":{"authors":["M. A. Turchanin","P. G. Agraval","A. R. Abdulov"],"citation":"M. A. Turchanin, P. G. Agraval, A. R. Abdulov, Thermodynamic assessment of the Cu-Ti-Zr system. I. Cu-Ti system, Powder Metall Met Ceram 47, 344-360 (2008).","container":"Powder Metall Met Ceram","doi":"10.1007/s11106-008-9026-2","doi_url":"https://doi.org/10.1007/s11106-008-9026-2","id":"doi:10.1007/s11106-008-9026-2","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"3a5ccc910a5089d7","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic assessment of the Cu-Ti-Zr system. I. Cu-Ti system","year":2008},"doi:10.1016/0364-5916(78)90031-7":{"citation":"L. Kaufman, “Coupled phase diagrams and thermochemical data for transition metal binary systems-III,” CALPHAD, 2, No. 2, 117–146 (1978).","doi":"10.1016/0364-5916(78)90031-7","doi_url":"https://doi.org/10.1016/0364-5916(78)90031-7","id":"doi:10.1016/0364-5916(78)90031-7","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"]},"doi:10.1016/s0925-8388(96)02590-x":{"authors":["C. Colinet","A. Pasturel","K.H.J. Buschow"],"citation":"C. Colinet, A. Pasturel, K.H.J. Buschow, Enthalpies of formation of Ti-Cu intermetallic and amorphous phases, Journal of Alloys and Compounds 247, 15-19 (1997).","container":"Journal of Alloys and Compounds","doi":"10.1016/s0925-8388(96)02590-x","doi_url":"https://doi.org/10.1016/s0925-8388(96)02590-x","id":"doi:10.1016/s0925-8388(96)02590-x","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Enthalpies of formation of Ti-Cu intermetallic and amorphous phases","year":1997}},"part":1,"parts":1,"records":[{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1016/0364-5916(78)90031-7","first_author":"Kaufman","kind":"assessment","label":"45","paper":"doi:10.1016/0364-5916(78)90031-7","reference":"L. Kaufman, “Coupled phase diagrams and thermochemical data for transition metal binary systems-III,” CALPHAD, 2, No. 2, 117–146 (1978).","status":"resolved","year":"1978"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-IC47SCQHME","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":1},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r01#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.07},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":17.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"scaled_for_unstated_basis":5,"value":17.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.07},"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-5.53,"value_printed":-5530,"value_stored":-5530.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf02667755","first_author":"Kleppa","kind":"unknown","label":"43","paper":"doi:10.1007/bf02667755","reference":"O. I. Kleppa and S. Watanabe, “Thermochemistry of alloys of transition metals. Part III. Copper–silver, – titanium, –zirconium and –hafnium at 1373 K,” Met. Trans. B, 13, No. 1, 391–401 (1982).","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-QQX7J5E322","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":2},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r02#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":673.0,"temperature_basis":"printed","temperature_printed":"673","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.23135},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":6.0,"sigma_method":{"basis":"calibrated","ci95":[0.660465,2.096713],"class":"unknown","entry":"value_types/GM_FORM/classes/unknown","floor":1.2,"floor_unit":"kJ/mol-atom","n_pairs":37,"scaled_for_unstated_basis":5,"value":6.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-4.627,"value_printed":-4627,"value_stored":-4627.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf02667755","first_author":"Kleppa","kind":"unknown","label":"43","paper":"doi:10.1007/bf02667755","reference":"O. I. Kleppa and S. Watanabe, “Thermochemistry of alloys of transition metals. Part III. Copper–silver, – titanium, –zirconium and –hafnium at 1373 K,” Met. Trans. B, 13, No. 1, 391–401 (1982).","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-ZEUXUABMNR","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":3},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":723.0,"temperature_basis":"printed","temperature_printed":"723","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.2347},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":6.0,"sigma_method":{"basis":"calibrated","ci95":[0.660465,2.096713],"class":"unknown","entry":"value_types/GM_FORM/classes/unknown","floor":1.2,"floor_unit":"kJ/mol-atom","n_pairs":37,"scaled_for_unstated_basis":5,"value":6.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-4.694,"value_printed":-4694,"value_stored":-4694.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf02667755","first_author":"Kleppa","kind":"unknown","label":"43","paper":"doi:10.1007/bf02667755","reference":"O. I. Kleppa and S. Watanabe, “Thermochemistry of alloys of transition metals. Part III. Copper–silver, – titanium, –zirconium and –hafnium at 1373 K,” Met. Trans. B, 13, No. 1, 391–401 (1982).","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-H6CL4TBHU6","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":4},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r04#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":773.0,"temperature_basis":"printed","temperature_printed":"773","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.23945},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":6.0,"sigma_method":{"basis":"calibrated","ci95":[0.660465,2.096713],"class":"unknown","entry":"value_types/GM_FORM/classes/unknown","floor":1.2,"floor_unit":"kJ/mol-atom","n_pairs":37,"scaled_for_unstated_basis":5,"value":6.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-4.789,"value_printed":-4789,"value_stored":-4789.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf02667755","first_author":"Kleppa","kind":"unknown","label":"43","paper":"doi:10.1007/bf02667755","reference":"O. I. Kleppa and S. Watanabe, “Thermochemistry of alloys of transition metals. Part III. Copper–silver, – titanium, –zirconium and –hafnium at 1373 K,” Met. Trans. B, 13, No. 1, 391–401 (1982).","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-R74YEZ5TGI","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":5},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r05#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":823.0,"temperature_basis":"printed","temperature_printed":"823","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.22505},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":6.0,"sigma_method":{"basis":"calibrated","ci95":[0.660465,2.096713],"class":"unknown","entry":"value_types/GM_FORM/classes/unknown","floor":1.2,"floor_unit":"kJ/mol-atom","n_pairs":37,"scaled_for_unstated_basis":5,"value":6.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-4.501,"value_printed":-4501,"value_stored":-4501.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-KYTFMQT52M.101726","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":6},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r06#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.3673},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":19.5,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"scaled_for_unstated_basis":5,"value":19.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-7.346,"value_printed":-7346,"value_stored":-7346.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-KYTFMQT52M.29ebbf","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":6},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r06#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"SM_FORM","property_group":"formation","property_printed":"ΔfS","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.0925},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.5,"sigma_method":{"basis":"calibrated","ci95":[1.937758,4.143867],"class":"model_calculated","entry":"model/SM_FORM","floor":3.3,"floor_unit":"J/K/mol-atom","n_pairs":118,"scaled_for_unstated_basis":5,"value":16.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"J/mol (basis unstated)/K","value_type":"SM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"J/mol (basis unstated)/K","unit_basis":"unstated","unit_printed":"J/(mole · K)","value":-1.85,"value_printed":-1.85},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-FXPILCKKYF","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":7},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r07#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":673.0,"temperature_basis":"printed","temperature_printed":"673","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.3432},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[0.59304,0.88956],"class":"model_calculated","entry":"model/GM_FORM","floor":0.7,"floor_unit":"kJ/mol-atom","n_pairs":211,"scaled_for_unstated_basis":5,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-6.864,"value_printed":-6864,"value_stored":-6864.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-23YGIDKDHP","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":8},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r08#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":723.0,"temperature_basis":"printed","temperature_printed":"723","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.33965},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[0.59304,0.88956],"class":"model_calculated","entry":"model/GM_FORM","floor":0.7,"floor_unit":"kJ/mol-atom","n_pairs":211,"scaled_for_unstated_basis":5,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-6.793,"value_printed":-6793,"value_stored":-6793.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-OHVHLBIE7Q","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":9},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r09#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":773.0,"temperature_basis":"printed","temperature_printed":"773","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.33655},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[0.59304,0.88956],"class":"model_calculated","entry":"model/GM_FORM","floor":0.7,"floor_unit":"kJ/mol-atom","n_pairs":211,"scaled_for_unstated_basis":5,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-6.731,"value_printed":-6731,"value_stored":-6731.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-Q26BTBSYKM","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":10},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.2},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r10#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":823.0,"temperature_basis":"printed","temperature_printed":"823","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.3338},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[0.59304,0.88956],"class":"model_calculated","entry":"model/GM_FORM","floor":0.7,"floor_unit":"kJ/mol-atom","n_pairs":211,"scaled_for_unstated_basis":5,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-6.676,"value_printed":-6676,"value_stored":-6676.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-LHN5SH3S3B","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":11},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu2Ti"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r11#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.49355},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.7,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"scaled_for_unstated_basis":3,"value":11.7},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-9.871,"value_printed":-9871,"value_stored":-9871.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1016/0364-5916(78)90031-7","first_author":"Kaufman","kind":"assessment","label":"45","paper":"doi:10.1016/0364-5916(78)90031-7","reference":"L. Kaufman, “Coupled phase diagrams and thermochemical data for transition metal binary systems-III,” CALPHAD, 2, No. 2, 117–146 (1978).","status":"resolved","year":"1978"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-ADYPH65COU","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":12},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.4},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu3Ti2"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r12#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.3},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":17.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"scaled_for_unstated_basis":5,"value":17.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.3},"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-9.35,"value_printed":-9350,"value_stored":-9350.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:T_K","temperature not stated"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-WKQX6QJBMJ.b58426","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":13},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.4},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu3Ti2"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r13#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"SM_FORM","property_group":"formation","property_printed":"ΔfS","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.104},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.5,"sigma_method":{"basis":"calibrated","ci95":[1.937758,4.143867],"class":"model_calculated","entry":"model/SM_FORM","floor":3.3,"floor_unit":"J/K/mol-atom","n_pairs":118,"scaled_for_unstated_basis":5,"value":16.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"J/mol (basis unstated)/K","value_type":"SM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"J/mol (basis unstated)/K","unit_basis":"unstated","unit_printed":"J/(mole · K)","value":-2.08,"value_printed":-2.08},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:T_K","temperature not stated"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-WKQX6QJBMJ.fa3c92","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":13},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.4},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu3Ti2"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r13#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.69635},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":19.5,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"scaled_for_unstated_basis":5,"value":19.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-13.927,"value_printed":-13927,"value_stored":-13927.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1016/0364-5916(78)90031-7","first_author":"Kaufman","kind":"assessment","label":"45","paper":"doi:10.1016/0364-5916(78)90031-7","reference":"L. Kaufman, “Coupled phase diagrams and thermochemical data for transition metal binary systems-III,” CALPHAD, 2, No. 2, 117–146 (1978).","status":"resolved","year":"1978"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-CCNOFAUMDV","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":14},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.428571},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti3"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r14#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":0.88},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":24.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"scaled_for_unstated_basis":7,"value":24.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":0.88},"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-9.65,"value_printed":-9650,"value_stored":-9650.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:T_K","temperature not stated"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-KDHOLTOPHY.0a6527","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":15},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.428571},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti3"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r15#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"SM_FORM","property_group":"formation","property_printed":"ΔfS","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.116},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":23.1,"sigma_method":{"basis":"calibrated","ci95":[1.937758,4.143867],"class":"model_calculated","entry":"model/SM_FORM","floor":3.3,"floor_unit":"J/K/mol-atom","n_pairs":118,"scaled_for_unstated_basis":7,"value":23.1},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"J/mol (basis unstated)/K","value_type":"SM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"J/mol (basis unstated)/K","unit_basis":"unstated","unit_printed":"J/(mole · K)","value":-2.32,"value_printed":-2.32},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:T_K","temperature not stated"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-KDHOLTOPHY.817f89","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":15},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.428571},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"Cu4Ti3"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r15#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.74605},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":27.3,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"scaled_for_unstated_basis":7,"value":27.3},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-14.921,"value_printed":-14921,"value_stored":-14921.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1016/0364-5916(78)90031-7","first_author":"Kaufman","kind":"assessment","label":"45","paper":"doi:10.1016/0364-5916(78)90031-7","reference":"L. Kaufman, “Coupled phase diagrams and thermochemical data for transition metal binary systems-III,” CALPHAD, 2, No. 2, 117–146 (1978).","status":"resolved","year":"1978"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-UHI37KOOZK","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":16},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r16#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.72},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":7.0,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"scaled_for_unstated_basis":2,"value":7.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.72},"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-11.12,"value_printed":-11120,"value_stored":-11120.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1016/s0925-8388(96)02590-x","first_author":"Colinet","kind":"unknown","label":"44","paper":"doi:10.1016/s0925-8388(96)02590-x","reference":"C. Colinet, A. Pasturel, and K. H. J. Buschow, “Enthalpies of formation of Ti–Cu intermetallic and amorphous phases,” J. All. Comp., 247, 15–19 (1997).","status":"resolved","year":"1997"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-TKLBJ6R4ZS","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":17},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r17#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":0.37},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":7.0,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"scaled_for_unstated_basis":2,"value":7.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":0.37},"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-9.61,"value_printed":-9610,"value_stored":-9610.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf02667755","first_author":"Kleppa","kind":"unknown","label":"43","paper":"doi:10.1007/bf02667755","reference":"O. I. Kleppa and S. Watanabe, “Thermochemistry of alloys of transition metals. Part III. Copper–silver, – titanium, –zirconium and –hafnium at 1373 K,” Met. Trans. B, 13, No. 1, 391–401 (1982).","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-E7SRCKVXSX","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":18},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r18#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":673.0,"temperature_basis":"printed","temperature_printed":"673","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.49075},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":2.4,"sigma_method":{"basis":"calibrated","ci95":[0.660465,2.096713],"class":"unknown","entry":"value_types/GM_FORM/classes/unknown","floor":1.2,"floor_unit":"kJ/mol-atom","n_pairs":37,"scaled_for_unstated_basis":2,"value":2.4},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-9.815,"value_printed":-9815,"value_stored":-9815.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf02667755","first_author":"Kleppa","kind":"unknown","label":"43","paper":"doi:10.1007/bf02667755","reference":"O. I. Kleppa and S. Watanabe, “Thermochemistry of alloys of transition metals. Part III. Copper–silver, – titanium, –zirconium and –hafnium at 1373 K,” Met. Trans. B, 13, No. 1, 391–401 (1982).","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-TSWWJ4VDL5","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":19},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r19#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":723.0,"temperature_basis":"printed","temperature_printed":"723","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.49375},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":2.4,"sigma_method":{"basis":"calibrated","ci95":[0.660465,2.096713],"class":"unknown","entry":"value_types/GM_FORM/classes/unknown","floor":1.2,"floor_unit":"kJ/mol-atom","n_pairs":37,"scaled_for_unstated_basis":2,"value":2.4},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-9.875,"value_printed":-9875,"value_stored":-9875.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf02667755","first_author":"Kleppa","kind":"unknown","label":"43","paper":"doi:10.1007/bf02667755","reference":"O. I. Kleppa and S. Watanabe, “Thermochemistry of alloys of transition metals. Part III. Copper–silver, – titanium, –zirconium and –hafnium at 1373 K,” Met. Trans. B, 13, No. 1, 391–401 (1982).","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-GMFMM4NTMB","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":20},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r20#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":773.0,"temperature_basis":"printed","temperature_printed":"773","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.48575},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":2.4,"sigma_method":{"basis":"calibrated","ci95":[0.660465,2.096713],"class":"unknown","entry":"value_types/GM_FORM/classes/unknown","floor":1.2,"floor_unit":"kJ/mol-atom","n_pairs":37,"scaled_for_unstated_basis":2,"value":2.4},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-9.715,"value_printed":-9715,"value_stored":-9715.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf02667755","first_author":"Kleppa","kind":"unknown","label":"43","paper":"doi:10.1007/bf02667755","reference":"O. I. Kleppa and S. Watanabe, “Thermochemistry of alloys of transition metals. Part III. Copper–silver, – titanium, –zirconium and –hafnium at 1373 K,” Met. Trans. B, 13, No. 1, 391–401 (1982).","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-DJNIQU22IQ","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":21},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r21#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":823.0,"temperature_basis":"printed","temperature_printed":"823","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.49175},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":2.4,"sigma_method":{"basis":"calibrated","ci95":[0.660465,2.096713],"class":"unknown","entry":"value_types/GM_FORM/classes/unknown","floor":1.2,"floor_unit":"kJ/mol-atom","n_pairs":37,"scaled_for_unstated_basis":2,"value":2.4},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-9.835,"value_printed":-9835,"value_stored":-9835.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-7MEPJ2GNFJ.0698d4","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":22},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r22#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.8767},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":7.8,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"scaled_for_unstated_basis":2,"value":7.8},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-17.534,"value_printed":-17534,"value_stored":-17534.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-7MEPJ2GNFJ.ef4318","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":22},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r22#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"SM_FORM","property_group":"formation","property_printed":"ΔfS","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.1685},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":6.6,"sigma_method":{"basis":"calibrated","ci95":[1.937758,4.143867],"class":"model_calculated","entry":"model/SM_FORM","floor":3.3,"floor_unit":"J/K/mol-atom","n_pairs":118,"scaled_for_unstated_basis":2,"value":6.6},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"J/mol (basis unstated)/K","value_type":"SM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"J/mol (basis unstated)/K","unit_basis":"unstated","unit_printed":"J/(mole · K)","value":-3.37,"value_printed":-3.37},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-IRJ3CDNHCU","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":23},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r23#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":673.0,"temperature_basis":"printed","temperature_printed":"673","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.8192},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.4,"sigma_method":{"basis":"calibrated","ci95":[0.59304,0.88956],"class":"model_calculated","entry":"model/GM_FORM","floor":0.7,"floor_unit":"kJ/mol-atom","n_pairs":211,"scaled_for_unstated_basis":2,"value":1.4},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-16.384,"value_printed":-16384,"value_stored":-16384.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-YZE54VST4O","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":24},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r24#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":723.0,"temperature_basis":"printed","temperature_printed":"723","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.80385},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.4,"sigma_method":{"basis":"calibrated","ci95":[0.59304,0.88956],"class":"model_calculated","entry":"model/GM_FORM","floor":0.7,"floor_unit":"kJ/mol-atom","n_pairs":211,"scaled_for_unstated_basis":2,"value":1.4},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-16.077,"value_printed":-16077,"value_stored":-16077.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-CSWR4DJE2G","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":25},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r25#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":773.0,"temperature_basis":"printed","temperature_printed":"773","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.7888},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.4,"sigma_method":{"basis":"calibrated","ci95":[0.59304,0.88956],"class":"model_calculated","entry":"model/GM_FORM","floor":0.7,"floor_unit":"kJ/mol-atom","n_pairs":211,"scaled_for_unstated_basis":2,"value":1.4},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-15.776,"value_printed":-15776,"value_stored":-15776.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-FW6BAAOS7H","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":26},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r26#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":823.0,"temperature_basis":"printed","temperature_printed":"823","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.77405},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.4,"sigma_method":{"basis":"calibrated","ci95":[0.59304,0.88956],"class":"model_calculated","entry":"model/GM_FORM","floor":0.7,"floor_unit":"kJ/mol-atom","n_pairs":211,"scaled_for_unstated_basis":2,"value":1.4},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-15.481,"value_printed":-15481,"value_stored":-15481.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1016/0364-5916(78)90031-7","first_author":"Kaufman","kind":"assessment","label":"45","paper":"doi:10.1016/0364-5916(78)90031-7","reference":"L. Kaufman, “Coupled phase diagrams and thermochemical data for transition metal binary systems-III,” CALPHAD, 2, No. 2, 117–146 (1978).","status":"resolved","year":"1978"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-B4TMQOJZHZ","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":27},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi2"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r27#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.62},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"scaled_for_unstated_basis":3,"value":10.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.62},"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-8.6,"value_printed":-8600,"value_stored":-8600.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf02667755","first_author":"Kleppa","kind":"unknown","label":"43","paper":"doi:10.1007/bf02667755","reference":"O. I. Kleppa and S. Watanabe, “Thermochemistry of alloys of transition metals. Part III. Copper–silver, – titanium, –zirconium and –hafnium at 1373 K,” Met. Trans. B, 13, No. 1, 391–401 (1982).","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-4XLP3NQIY6","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":28},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi2"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r28#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":773.0,"temperature_basis":"printed","temperature_printed":"773","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.4375},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.6,"sigma_method":{"basis":"calibrated","ci95":[0.660465,2.096713],"class":"unknown","entry":"value_types/GM_FORM/classes/unknown","floor":1.2,"floor_unit":"kJ/mol-atom","n_pairs":37,"scaled_for_unstated_basis":3,"value":3.6},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-8.75,"value_printed":-8750,"value_stored":-8750.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-TJRHMFLGA4.3b23df","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":29},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi2"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r29#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"SM_FORM","property_group":"formation","property_printed":"ΔfS","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.425},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":9.9,"sigma_method":{"basis":"calibrated","ci95":[1.937758,4.143867],"class":"model_calculated","entry":"model/SM_FORM","floor":3.3,"floor_unit":"J/K/mol-atom","n_pairs":118,"scaled_for_unstated_basis":3,"value":9.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"J/mol (basis unstated)/K","value_type":"SM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"J/mol (basis unstated)/K","unit_basis":"unstated","unit_printed":"J/(mole · K)","value":-8.5,"value_printed":-8.5},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-TJRHMFLGA4.a3f29f","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":29},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi2"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r29#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.211},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.7,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"scaled_for_unstated_basis":3,"value":11.7},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-24.22,"value_printed":-24220,"value_stored":-24220.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-MFCIYD77CV","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":30},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi2"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r30#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"GM_FORM","property_group":"formation","property_printed":"ΔfG","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CU":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"TI":{"fixed_state_variables":{"T":298.15},"phase":"HCP_A3"}},"source_system":"CU-TI","system":"CU-TI","temperature_K":773.0,"temperature_basis":"printed","temperature_printed":"773","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.9389},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":2.1,"sigma_method":{"basis":"calibrated","ci95":[0.59304,0.88956],"class":"model_calculated","entry":"model/GM_FORM","floor":0.7,"floor_unit":"kJ/mol-atom","n_pairs":211,"scaled_for_unstated_basis":3,"value":2.1},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"GM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mole","unit_stored":"J/mol (basis unstated)","value":-18.778,"value_printed":-18778,"value_stored":-18778.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1016/s0925-8388(96)02590-x","first_author":"Colinet","kind":"unknown","label":"44","paper":"doi:10.1016/s0925-8388(96)02590-x","reference":"C. Colinet, A. Pasturel, and K. H. J. Buschow, “Enthalpies of formation of Ti–Cu intermetallic and amorphous phases,” J. All. Comp., 247, 15–19 (1997).","status":"resolved","year":"1997"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-HX24QSAJQL","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":31},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r31#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"ENTROPY","property_group":"heat capacity / entropy / enthalpy","property_printed":"ΔmS","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1248.0,"temperature_basis":"printed","temperature_printed":"1248","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.635},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.7,"sigma_method":{"basis":"calibrated","ci95":[0.285111,1.174159],"class":"unknown","entry":"value_types/S_ABS/classes/unknown","floor":0.7,"floor_unit":"J/K/mol","n_pairs":77,"value":0.7},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"J/(mole · K)","value_type":"S_ABS"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"J/(mole · K)","unit_printed":"J/(mole · K)","value":12.7,"value_printed":12.7},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Alisova","kind":"unknown","label":"32","reference":"S. P. Alisova, N. V. Lutskaya, A. N. Kobylkin, and P. B. Budberg, “The TiFe–Ti2Cu section of the Ti–Fe– Cu system. Conditions for the formation of Ti2Cu,” Metally, No. 5, 170–172 (1994).","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-LYMJHVCIQ7","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":32},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r32#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"ENTROPY","property_group":"heat capacity / entropy / enthalpy","property_printed":"ΔmS","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1250.0,"temperature_basis":"printed","temperature_printed":"1250","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.75},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.7,"sigma_method":{"basis":"calibrated","ci95":[0.285111,1.174159],"class":"unknown","entry":"value_types/S_ABS/classes/unknown","floor":0.7,"floor_unit":"J/K/mol","n_pairs":77,"value":0.7},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"J/(mole · K)","value_type":"S_ABS"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"J/(mole · K)","unit_printed":"J/(mole · K)","value":15.0,"value_printed":15},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":4,"id":"ORC-SGINKP4Z7Z","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p8/tab-3","row":33},"model":"Maac7877b","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"overall_composition":{"TI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"CuTi"}],"pid":"doi:10.1007/s11106-008-9026-2/p8/tab-3/r33#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"ENTROPY","property_group":"heat capacity / entropy / enthalpy","property_printed":"ΔmS","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1251.0,"temperature_basis":"printed","temperature_printed":"1251","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.632},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/S_ABS","floor":1.0,"floor_unit":"J/K/mol","n_pairs":260,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"J/(mole · K)","value_type":"S_ABS"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"J/(mole · K)","unit_printed":"J/(mole · K)","value":12.64,"value_printed":12.64},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Raub","kind":"unknown","label":"18","reference":"E. Raub, P. Walter, and H. Engel, “Alloys of titanium with copper, silver and gold,” Z. Metallkd., 43, 112– 118 (1952).","status":"resolved","year":"1952"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-4IYFVLYUHY","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":1},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.056},"composition_source":"printed","phase":"(Cu)"},{"basis":"mole_fraction","composition":{"TI":0.25},"composition_source":"printed","phase":"Cu4Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r01#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + (Cu) <=> Cu4Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1158.0,"temperature_printed":"1158","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1158.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Trzebiatowski","kind":"unknown","label":"19","reference":"W. Trzebiatowski, J. Berak, and T. Romotowski, “The copper–titanium system,” Roczniki Chemii, 27, 426– 437 (1953).","status":"resolved","year":"1953"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-KSKMCZOEGI","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":2},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.33},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.063},"composition_source":"printed","phase":"(Cu)"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r02#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + (Cu) <=> Cu4Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1163.0,"temperature_printed":"1163","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1163.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-SUQCFMYF3P","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r03#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + (Cu) <=> Cu4Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1143.0,"temperature_printed":"1143","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1143.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1002/pssa.2210520121","first_author":"Ecob","kind":"unknown","label":"27","paper":"doi:10.1002/pssa.2210520121","reference":"R. C. Ecob, J. V. Bee, and B. Ralph, “The structure of the β-phase in dilute copper-titanium alloys,” Physica Stat. Sol. A, 52, No. 1, 201–210 (1979).","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-R5ZA3OAZ3X","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":4},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r04#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + (Cu) <=> Cu4Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1165.0,"temperature_printed":"1165 ± 3","temperature_uncertainty":{"basis":"printed","value":3.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1165.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Eremenko","kind":"unknown","label":"31","reference":"V. N. Eremenko, R. N. Mogilevskii, V. M. Sergeenkova, and V. M. Petyuukh, “Melting heat and homogeneity range of TiCu intermetallic compound,” Izv. AN SSSR, Metally, No. 6, 171–173 (1988).","status":"resolved","year":"1988"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-ZZFEJGFODQ","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":5},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r05#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + (Cu) <=> Cu4Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1123.0,"temperature_printed":">1123","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1123.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Turchanin","kind":"unknown","label":"47","reference":"M. A. Turchanin and S. V. Porokhnya, “Enthalpy of formation of liquid alloys of copper with titanium and zirconium,” Rasplavy, No. 5, 29–32 (1995).","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-SCSVPFZ2YB","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":6},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.208},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.079},"composition_source":"printed","phase":"(Cu)"},{"basis":"mole_fraction","composition":{"TI":0.192},"composition_source":"printed","phase":"Cu4Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r06#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + (Cu) <=> Cu4Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1169.0,"temperature_printed":"1169","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1169.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-2DAPOKSL2P","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":7},"model":"M3450ca50","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.225},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.07},"composition_source":"printed","phase":"(Cu)"},{"basis":"mole_fraction","composition":{"TI":0.194},"composition_source":"printed","phase":"Cu4Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r07#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + (Cu) <=> Cu4Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1169.0,"temperature_printed":"1169","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1169.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Raub","kind":"unknown","label":"18","reference":"E. Raub, P. Walter, and H. Engel, “Alloys of titanium with copper, silver and gold,” Z. Metallkd., 43, 112– 118 (1952).","status":"resolved","year":"1952"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-EVAQPM5FIV","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":8},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.34},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r08#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> Cu4Ti + Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1146.0,"temperature_printed":"1146","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1146.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Trzebiatowski","kind":"unknown","label":"19","reference":"W. Trzebiatowski, J. Berak, and T. Romotowski, “The copper–titanium system,” Roczniki Chemii, 27, 426– 437 (1953).","status":"resolved","year":"1953"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-LR4AOIZVQD","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":9},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"CU":0.8,"TI":0.2},"composition_source":"formula_nominal","phase":"Cu4Ti"},{"basis":"mole_fraction","composition":{"CU":0.666667,"TI":0.333333},"composition_source":"stoichiometric_model_phase","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r09#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> Cu4Ti + Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1148.0,"temperature_printed":"1148","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1148.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Vigdorovich","kind":"unknown","label":"20","reference":"V. N. Vigdorovich, A. N. Krestovnikov, and M. V. Mal’tsev, “Microhardness investigation of solid solutions of ternary systems,” Izvest. Akad. Nauk SSSR. Otdel. Tekh. Nauk, No. 3, 110–113 (1958).","status":"resolved","year":"1958"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-RT6JDDH6BX","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":10},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.29},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.25},"composition_source":"printed","phase":"Cu4Ti"},{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r10#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> Cu4Ti + Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1153.0,"temperature_printed":"1153","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1153.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-QKHFILK4QI","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":11},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.27},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r11#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> Cu4Ti + Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1133.0,"temperature_printed":"1133","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1133.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1002/pssa.2210520121","first_author":"Ecob","kind":"unknown","label":"27","paper":"doi:10.1002/pssa.2210520121","reference":"R. C. Ecob, J. V. Bee, and B. Ralph, “The structure of the β-phase in dilute copper-titanium alloys,” Physica Stat. Sol. A, 52, No. 1, 201–210 (1979).","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-AYWBCISHMU","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":12},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.27},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r12#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> Cu4Ti + Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1151.0,"temperature_printed":"1151","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1151.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Turchanin","kind":"unknown","label":"47","reference":"M. A. Turchanin and S. V. Porokhnya, “Enthalpy of formation of liquid alloys of copper with titanium and zirconium,” Rasplavy, No. 5, 29–32 (1995).","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-ZNLLPU3Q77","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":13},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.265},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.214},"composition_source":"printed","phase":"Cu4Ti"},{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r13#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> Cu4Ti + Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1158.0,"temperature_printed":"1158","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1158.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-UIM6YHXTFW","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":14},"model":"M3450ca50","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.279},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.217},"composition_source":"printed","phase":"Cu4Ti"},{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r14#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> Cu4Ti + Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1156.0,"temperature_printed":"1156","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1156.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Vigdorovich","kind":"unknown","label":"20","reference":"V. N. Vigdorovich, A. N. Krestovnikov, and M. V. Mal’tsev, “Microhardness investigation of solid solutions of ternary systems,” Izvest. Akad. Nauk SSSR. Otdel. Tekh. Nauk, No. 3, 110–113 (1958).","status":"resolved","year":"1958"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-LK5YMMWBRA","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":15},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"CU":0.8,"TI":0.2},"composition_source":"formula_nominal","phase":"Cu4Ti"},{"basis":"mole_fraction","composition":{"CU":0.6,"TI":0.4},"composition_source":"stoichiometric_model_phase","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r15#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti <=> Cu4Ti + Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1145.0,"temperature_printed":"1145","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1145.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00775543","first_author":"Eremenko","kind":"unknown","label":"25","paper":"doi:10.1007/bf00775543","reference":"V. N. Eremenko, Yu. I. Buyanov, and S. B. Prima, “Phase diagram of the system titanium–copper,” Powder Metall. Met. Ceram., 5, No. 6, 494–502 (1966).","status":"resolved","year":"1966"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-KHXYMOWRWH","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":16},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r16#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti <=> Cu4Ti + Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1133.0,"temperature_printed":">1133 ± 10","temperature_uncertainty":{"basis":"printed","value":10.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":10.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1133.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-XFWKGY4FLL","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":17},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r17#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti <=> Cu4Ti + Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1123.0,"temperature_printed":"1123","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1123.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1002/pssa.2210520121","first_author":"Ecob","kind":"unknown","label":"27","paper":"doi:10.1002/pssa.2210520121","reference":"R. C. Ecob, J. V. Bee, and B. Ralph, “The structure of the β-phase in dilute copper-titanium alloys,” Physica Stat. Sol. A, 52, No. 1, 201–210 (1979).","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-TNUYXCBUSE","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":18},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r18#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti <=> Cu4Ti + Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1138.0,"temperature_printed":"1138 ± 3","temperature_uncertainty":{"basis":"printed","value":3.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1138.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Turchanin","kind":"unknown","label":"47","reference":"M. A. Turchanin and S. V. Porokhnya, “Enthalpy of formation of liquid alloys of copper with titanium and zirconium,” Rasplavy, No. 5, 29–32 (1995).","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-REJDSCH7UP","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":19},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"TI":0.213},"composition_source":"printed","phase":"Cu4Ti"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r19#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti <=> Cu4Ti + Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1142.0,"temperature_printed":"1142","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1142.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-363H576WMN","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":20},"model":"M3450ca50","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"TI":0.217},"composition_source":"printed","phase":"Cu4Ti"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti","model_phase":"CU4TI","pearson_symbol":"oP20","prototype":"Au4Zr","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r20#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti <=> Cu4Ti + Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1138.0,"temperature_printed":"1138","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1138.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Vigdorovich","kind":"unknown","label":"20","reference":"V. N. Vigdorovich, A. N. Krestovnikov, and M. V. Mal’tsev, “Microhardness investigation of solid solutions of ternary systems,” Izvest. Akad. Nauk SSSR. Otdel. Tekh. Nauk, No. 3, 110–113 (1958).","status":"resolved","year":"1958"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-RWIIQTNFJK","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":21},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu4Ti3"},{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r21#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Cu4Ti3 <=> Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1165.0,"temperature_printed":"1165","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1165.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-ZZNZO2DNJX","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":22},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"},{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r22#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Cu4Ti3 <=> Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1151.0,"temperature_printed":"1151","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1151.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1002/pssa.2210520121","first_author":"Ecob","kind":"unknown","label":"27","paper":"doi:10.1002/pssa.2210520121","reference":"R. C. Ecob, J. V. Bee, and B. Ralph, “The structure of the β-phase in dilute copper-titanium alloys,” Physica Stat. Sol. A, 52, No. 1, 201–210 (1979).","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-JC4YEWZFME","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":23},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r23#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Cu4Ti3 <=> Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1158.0,"temperature_printed":"1158 ± 3","temperature_uncertainty":{"basis":"printed","value":3.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1158.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Turchanin","kind":"unknown","label":"47","reference":"M. A. Turchanin and S. V. Porokhnya, “Enthalpy of formation of liquid alloys of copper with titanium and zirconium,” Rasplavy, No. 5, 29–32 (1995).","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-VW5N3ET5KU","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":24},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.272},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"},{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r24#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Cu4Ti3 <=> Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1160.0,"temperature_printed":"1160","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1160.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-KTWERUBKED","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p5/tab-2","row":25},"model":"M3450ca50","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.287},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"},{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"},{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p5/tab-2/r25#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Cu4Ti3 <=> Cu2Ti"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1158.0,"temperature_printed":"1158","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1158.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Vigdorovich","kind":"unknown","label":"20","reference":"V. N. Vigdorovich, A. N. Krestovnikov, and M. V. Mal’tsev, “Microhardness investigation of solid solutions of ternary systems,” Izvest. Akad. Nauk SSSR. Otdel. Tekh. Nauk, No. 3, 110–113 (1958).","status":"resolved","year":"1958"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-QYSARIJ646","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":1},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"CU":0.571429,"TI":0.428571},"composition_source":"stoichiometric_model_phase","phase":"Cu4Ti3"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r01#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti + Cu4Ti3 -> Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1158.0,"temperature_printed":"1158","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1158.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00775543","first_author":"Eremenko","kind":"unknown","label":"25","paper":"doi:10.1007/bf00775543","reference":"V. N. Eremenko, Yu. I. Buyanov, and S. B. Prima, “Phase diagram of the system titanium–copper,” Powder Metall. Met. Ceram., 5, No. 6, 494–502 (1966).","status":"resolved","year":"1966"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-GTGDPEEXHR","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":2},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r02#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti + Cu4Ti3 -> Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1143.0,"temperature_printed":">1143","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1143.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-GEOQ7Z5PPH","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r03#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti + Cu4Ti3 -> Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1138.0,"temperature_printed":"1138","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1138.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Turchanin","kind":"unknown","label":"47","reference":"M. A. Turchanin and S. V. Porokhnya, “Enthalpy of formation of liquid alloys of copper with titanium and zirconium,” Rasplavy, No. 5, 29–32 (1995).","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-WGTPEW4W45","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":4},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r04#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti + Cu4Ti3 -> Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1148.0,"temperature_printed":"1148","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1148.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-CIKYWOL7E3","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":5},"model":"M3450ca50","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.333},"composition_source":"printed","phase":"Cu2Ti"},{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu3Ti2"}],"phases":[{"label":"Cu2Ti","model_phase":"CU2TI","pearson_symbol":"oC12","prototype":"Au2V","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"},{"label":"Cu3Ti2","model_phase":"CU3TI2","pearson_symbol":"tP10","prototype":"Cu3Ti2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r05#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Cu2Ti + Cu4Ti3 -> Cu3Ti2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1150.0,"temperature_printed":"1150","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1150.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Raub","kind":"unknown","label":"18","reference":"E. Raub, P. Walter, and H. Engel, “Alloys of titanium with copper, silver and gold,” Z. Metallkd., 43, 112– 118 (1952).","status":"resolved","year":"1952"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-3HHBFM2PX7","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":6},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.5},"composition_source":"printed","phase":"CuTi"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu4Ti3"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r06#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + CuTi -> Cu4Ti3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1189.0,"temperature_printed":"1189","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1189.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Vigdorovich","kind":"unknown","label":"20","reference":"V. N. Vigdorovich, A. N. Krestovnikov, and M. V. Mal’tsev, “Microhardness investigation of solid solutions of ternary systems,” Izvest. Akad. Nauk SSSR. Otdel. Tekh. Nauk, No. 3, 110–113 (1958).","status":"resolved","year":"1958"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-UFLESJTJC7","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":7},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.5},"composition_source":"printed","phase":"CuTi"},{"basis":"mole_fraction","composition":{"TI":0.4},"composition_source":"printed","phase":"Cu4Ti3"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r07#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + CuTi -> Cu4Ti3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1208.0,"temperature_printed":"1208","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1208.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-W3HWC2ILIS","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":9},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r09#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + CuTi -> Cu4Ti3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1191.0,"temperature_printed":"1191","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1191.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1002/pssa.2210520121","first_author":"Ecob","kind":"unknown","label":"27","paper":"doi:10.1002/pssa.2210520121","reference":"R. C. Ecob, J. V. Bee, and B. Ralph, “The structure of the β-phase in dilute copper-titanium alloys,” Physica Stat. Sol. A, 52, No. 1, 201–210 (1979).","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-TPDG5GJXP4","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":10},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r10#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + CuTi -> Cu4Ti3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1202.0,"temperature_printed":"1202 ± 4","temperature_uncertainty":{"basis":"printed","value":4.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":4.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1202.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Alisova","kind":"unknown","label":"32","reference":"S. P. Alisova, N. V. Lutskaya, A. N. Kobylkin, and P. B. Budberg, “The TiFe–Ti2Cu section of the Ti–Fe– Cu system. Conditions for the formation of Ti2Cu,” Metally, No. 5, 170–172 (1994).","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-NSC26NQZ52","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":11},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"CU":0.5,"TI":0.5},"composition_source":"formula_nominal","phase":"CuTi"},{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r11#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + CuTi -> Cu4Ti3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1208.0,"temperature_printed":"1208 ± 5","temperature_uncertainty":{"basis":"printed","value":5.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1208.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Turchanin","kind":"unknown","label":"47","reference":"M. A. Turchanin and S. V. Porokhnya, “Enthalpy of formation of liquid alloys of copper with titanium and zirconium,” Rasplavy, No. 5, 29–32 (1995).","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-YMANYECE3A","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":12},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.36},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.485},"composition_source":"printed","phase":"CuTi"},{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r12#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + CuTi -> Cu4Ti3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1206.0,"temperature_printed":"1206","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1206.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-3FLSQVEMB2","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":13},"model":"M3450ca50","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.347},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.49},"composition_source":"printed","phase":"CuTi"},{"basis":"mole_fraction","composition":{"TI":0.429},"composition_source":"printed","phase":"Cu4Ti3"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"Cu4Ti3","model_phase":"CU4TI3","pearson_symbol":"tI14","prototype":"Cu4Ti3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r13#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + CuTi -> Cu4Ti3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1189.0,"temperature_printed":"1189","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1189.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Raub","kind":"unknown","label":"18","reference":"E. Raub, P. Walter, and H. Engel, “Alloys of titanium with copper, silver and gold,” Z. Metallkd., 43, 112– 118 (1952).","status":"resolved","year":"1952"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-5MKYGSWWQP","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":14},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.5,"TI":0.5},"composition_source":"formula_nominal","phase":"CuTi"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r14#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1245.0,"temperature_printed":"1245","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1245.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Trzebiatowski","kind":"unknown","label":"19","reference":"W. Trzebiatowski, J. Berak, and T. Romotowski, “The copper–titanium system,” Roczniki Chemii, 27, 426– 437 (1953).","status":"resolved","year":"1953"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-Z6ZMVFZXRP","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":15},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.5,"TI":0.5},"composition_source":"formula_nominal","phase":"CuTi"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r15#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1278.0,"temperature_printed":"1278","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1278.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Vigdorovich","kind":"unknown","label":"20","reference":"V. N. Vigdorovich, A. N. Krestovnikov, and M. V. Mal’tsev, “Microhardness investigation of solid solutions of ternary systems,” Izvest. Akad. Nauk SSSR. Otdel. Tekh. Nauk, No. 3, 110–113 (1958).","status":"resolved","year":"1958"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-7VZBIWTK23","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":16},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.5,"TI":0.5},"composition_source":"formula_nominal","phase":"CuTi"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r16#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1255.0,"temperature_printed":"1255","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1255.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-X4YDIUBEM3","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":17},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.5,"TI":0.5},"composition_source":"formula_nominal","phase":"CuTi"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r17#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1257.0,"temperature_printed":"1257","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1257.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1002/pssa.2210520121","first_author":"Ecob","kind":"unknown","label":"27","paper":"doi:10.1002/pssa.2210520121","reference":"R. C. Ecob, J. V. Bee, and B. Ralph, “The structure of the β-phase in dilute copper-titanium alloys,” Physica Stat. Sol. A, 52, No. 1, 201–210 (1979).","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-655PDHMN3G","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":18},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.5,"TI":0.5},"composition_source":"formula_nominal","phase":"CuTi"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r18#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1257.0,"temperature_printed":"1257 ± 5","temperature_uncertainty":{"basis":"printed","value":5.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1257.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Alisova","kind":"unknown","label":"32","reference":"S. P. Alisova, N. V. Lutskaya, A. N. Kobylkin, and P. B. Budberg, “The TiFe–Ti2Cu section of the Ti–Fe– Cu system. Conditions for the formation of Ti2Cu,” Metally, No. 5, 170–172 (1994).","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-KQACSAODRL","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":19},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.5,"TI":0.5},"composition_source":"formula_nominal","phase":"CuTi"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r19#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1253.0,"temperature_printed":"1253 ± 5","temperature_uncertainty":{"basis":"printed","value":5.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1253.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Turchanin","kind":"unknown","label":"47","reference":"M. A. Turchanin and S. V. Porokhnya, “Enthalpy of formation of liquid alloys of copper with titanium and zirconium,” Rasplavy, No. 5, 29–32 (1995).","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-Y6V6R4DC6L","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":20},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.507},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.5,"TI":0.5},"composition_source":"formula_nominal","phase":"CuTi"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r20#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1248.0,"temperature_printed":"1248","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1248.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-4YRUWKRTBE","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":21},"model":"Mba2c2ab7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.505},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.5,"TI":0.5},"composition_source":"formula_nominal","phase":"CuTi"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r21#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1251.0,"temperature_printed":"1251","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1251.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Raub","kind":"unknown","label":"18","reference":"E. Raub, P. Walter, and H. Engel, “Alloys of titanium with copper, silver and gold,” Z. Metallkd., 43, 112– 118 (1952).","status":"resolved","year":"1952"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-CNIUIHU76H","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":22},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.57},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.5},"composition_source":"printed","phase":"CuTi"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r22#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi + CuTi2","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1227.0,"temperature_printed":"1227","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1227.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Vigdorovich","kind":"unknown","label":"20","reference":"V. N. Vigdorovich, A. N. Krestovnikov, and M. V. Mal’tsev, “Microhardness investigation of solid solutions of ternary systems,” Izvest. Akad. Nauk SSSR. Otdel. Tekh. Nauk, No. 3, 110–113 (1958).","status":"resolved","year":"1958"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-6Z6BKGLS7R","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":23},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.57},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.5},"composition_source":"printed","phase":"CuTi"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r23#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi + CuTi2","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1233.0,"temperature_printed":"1233","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1233.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-V3QOGJZH5K","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":24},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.57},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r24#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi + CuTi2","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1233.0,"temperature_printed":"1233","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1233.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1002/pssa.2210520121","first_author":"Ecob","kind":"unknown","label":"27","paper":"doi:10.1002/pssa.2210520121","reference":"R. C. Ecob, J. V. Bee, and B. Ralph, “The structure of the β-phase in dilute copper-titanium alloys,” Physica Stat. Sol. A, 52, No. 1, 201–210 (1979).","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-46MGT7SF2R","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p6/tab-2","row":25},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.43},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p6/tab-2/r25#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> CuTi + CuTi2","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1233.0,"temperature_printed":"1233 ± 3","temperature_uncertainty":{"basis":"printed","value":3.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1233.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Turchanin","kind":"unknown","label":"47","reference":"M. A. Turchanin and S. V. Porokhnya, “Enthalpy of formation of liquid alloys of copper with titanium and zirconium,” Rasplavy, No. 5, 29–32 (1995).","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-ANMIHCAFDT","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":1},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.564},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.517},"composition_source":"printed","phase":"CuTi"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r01#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi + CuTi2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1242.0,"temperature_printed":"1242","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1242.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-H5E42P6D46","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":2},"model":"M3450ca50","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.569},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.513},"composition_source":"printed","phase":"CuTi"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi","model_phase":"CUTI_B11","pearson_symbol":"tP4","prototype":"CuTi-gamma","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r02#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi + CuTi2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1234.0,"temperature_printed":"1234","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1234.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Vigdorovich","kind":"unknown","label":"20","reference":"V. N. Vigdorovich, A. N. Krestovnikov, and M. V. Mal’tsev, “Microhardness investigation of solid solutions of ternary systems,” Izvest. Akad. Nauk SSSR. Otdel. Tekh. Nauk, No. 3, 110–113 (1958).","status":"resolved","year":"1958"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-ZBETWGM42E","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.333333,"TI":0.666667},"composition_source":"stoichiometric_model_phase","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r03#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi2","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1288.0,"temperature_printed":"1288","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1288.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-LKZ5GVT4NO","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":4},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.333333,"TI":0.666667},"composition_source":"stoichiometric_model_phase","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r04#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi2","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1288.0,"temperature_printed":"1288","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1288.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1002/pssa.2210520121","first_author":"Ecob","kind":"unknown","label":"27","paper":"doi:10.1002/pssa.2210520121","reference":"R. C. Ecob, J. V. Bee, and B. Ralph, “The structure of the β-phase in dilute copper-titanium alloys,” Physica Stat. Sol. A, 52, No. 1, 201–210 (1979).","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-2CREMRATLT","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":5},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.333333,"TI":0.666667},"composition_source":"stoichiometric_model_phase","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r05#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi2","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1283.0,"temperature_uncertainty":{"basis":"printed","value":3.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1283.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00278149","first_author":"Yamane","kind":"unknown","label":"33","paper":"doi:10.1007/bf00278149","reference":"T. Yamane, S. Nakajima, H. Araki, et al., “Partial phase diagrams of the titanium-rich region of the Ti–Cu system under high pressure,” J. Mater. Sci. Lett., 13, No. 3, 162–164 (1994).","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-4SKZRCBPIG","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":6},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.333333,"TI":0.666667},"composition_source":"stoichiometric_model_phase","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r06#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi2","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1285.0,"temperature_uncertainty":{"basis":"printed","value":3.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1285.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-NH3TDWXQMI","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":7},"model":"Mba2c2ab7","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"CU":0.333333,"TI":0.666667},"composition_source":"stoichiometric_model_phase","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r07#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi2","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1282.0,"temperature_printed":"1282","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1282.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Vigdorovich","kind":"unknown","label":"20","reference":"V. N. Vigdorovich, A. N. Krestovnikov, and M. V. Mal’tsev, “Microhardness investigation of solid solutions of ternary systems,” Izvest. Akad. Nauk SSSR. Otdel. Tekh. Nauk, No. 3, 110–113 (1958).","status":"resolved","year":"1958"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-WEOZKS7FXX","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":8},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.69},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r08#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi2 + (βTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1282.0,"temperature_printed":"1282","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1282.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-7KY2LKRUNV","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":9},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.69},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r09#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi2 + (βTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1273.0,"temperature_printed":"1273","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1273.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1002/pssa.2210520121","first_author":"Ecob","kind":"unknown","label":"27","paper":"doi:10.1002/pssa.2210520121","reference":"R. C. Ecob, J. V. Bee, and B. Ralph, “The structure of the β-phase in dilute copper-titanium alloys,” Physica Stat. Sol. A, 52, No. 1, 201–210 (1979).","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-USRRBCUP45","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":10},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.69},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r10#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi2 + (βTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1276.0,"temperature_uncertainty":{"basis":"printed","value":3.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1276.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf01389606","first_author":"Oliker","kind":"unknown","label":"34","paper":"doi:10.1007/bf01389606","reference":"V. E. Oliker, A. A. Mamonova, and T. I. Shaposhnikova, “Structure and phase composition of the Ti–Cu diffusion zone,” Powder Metall. Met. Ceram., 35, No. 3-4, 173–175 (1996).","status":"resolved","year":"1996"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-QJSUYEUZDN","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":11},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"},{"basis":"mole_fraction","composition":{"TI":0.84},"composition_source":"printed","phase":"(βTi)"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r11#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi2 + (βTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1275.0,"temperature_printed":"1275","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1275.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-WWPRSOWHEX","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":12},"model":"M3450ca50","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.754},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"},{"basis":"mole_fraction","composition":{"TI":0.875},"composition_source":"printed","phase":"(βTi)"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r12#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <=> CuTi2 + (βTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1231.0,"temperature_printed":"1231","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1231.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Joukainen","kind":"unknown","label":"17","reference":"A. Joukainen, N. J. Grant, and C. F. Floe, “Titanium–copper binary phase diagram,” J. Metals, 4, 766–770 (1952).","status":"resolved","year":"1952"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-OXAZZKVHXL","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":13},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.93},"composition_source":"printed","phase":"(βTi)"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"},{"basis":"mole_fraction","composition":{"TI":0.9875},"composition_source":"printed","phase":"(αTi)"}],"phases":[{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(αTi)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r13#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"(βTi) <=> CuTi2 + (αTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1049.0,"temperature_printed":"1049","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1049.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Raub","kind":"unknown","label":"18","reference":"E. Raub, P. Walter, and H. Engel, “Alloys of titanium with copper, silver and gold,” Z. Metallkd., 43, 112– 118 (1952).","status":"resolved","year":"1952"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-XOSP7O5AOP","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":14},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.945},"composition_source":"printed","phase":"(βTi)"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"},{"basis":"mole_fraction","composition":{"TI":0.984},"composition_source":"printed","phase":"(αTi)"}],"phases":[{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(αTi)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r14#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"(βTi) <=> CuTi2 + (αTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1071.0,"temperature_printed":"1071","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1071.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf00796511","first_author":"Eremenko","kind":"unknown","label":"26","paper":"doi:10.1007/bf00796511","reference":"V. N. Eremenko, Yu. I. Buyanov, and N. M. Panchenko, “Polythermal and isothermal sections of the system titanium–copper–silver,” Powder Metall. Met. Ceram., 9, No. 5, 410–414 (1970).","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-5S5Q6XVZSE","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":15},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(αTi)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r15#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"(βTi) <=> CuTi2 + (αTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1073.0,"temperature_printed":"1073","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1073.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1002/pssa.2210520121","first_author":"Ecob","kind":"unknown","label":"27","paper":"doi:10.1002/pssa.2210520121","reference":"R. C. Ecob, J. V. Bee, and B. Ralph, “The structure of the β-phase in dilute copper-titanium alloys,” Physica Stat. Sol. A, 52, No. 1, 201–210 (1979).","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-3MYJMUGQP3","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":16},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phases":[{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(αTi)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r16#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"(βTi) <=> CuTi2 + (αTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1073.0,"temperature_uncertainty":{"basis":"printed","value":5.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1073.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Nagata","kind":"unknown","label":"29","reference":"K. Nagata and S. Nishikawa, “Aging and reversion phenomena of copper–titanium alloy,” in: Report of the Institute of Industrial Science, University of Tokyo, 29, No. 4, p. 40 (1981).","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-5426HL5SKO","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":17},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"},{"basis":"mole_fraction","composition":{"TI":0.986},"composition_source":"printed","phase":"(αTi)"}],"phases":[{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(αTi)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r17#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"(βTi) <=> CuTi2 + (αTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1053.0,"temperature_uncertainty":{"basis":"printed","value":5.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1053.0},{"chemical_system":"CU-TI","cited_sources":[{"doi":"10.1007/bf01389606","first_author":"Oliker","kind":"unknown","label":"34","paper":"doi:10.1007/bf01389606","reference":"V. E. Oliker, A. A. Mamonova, and T. I. Shaposhnikova, “Structure and phase composition of the Ti–Cu diffusion zone,” Powder Metall. Met. Ceram., 35, No. 3-4, 173–175 (1996).","status":"resolved","year":"1996"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-DW3DAGL2O2","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":18},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.944},"composition_source":"printed","phase":"(βTi)"},{"basis":"mole_fraction","composition":{"CU":0.333333,"TI":0.666667},"composition_source":"stoichiometric_model_phase","phase":"CuTi2"},{"basis":"mole_fraction","composition":{"TI":0.984},"composition_source":"printed","phase":"(αTi)"}],"phases":[{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(αTi)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r18#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"(βTi) <=> CuTi2 + (αTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1073.0,"temperature_printed":"1073","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1073.0},{"chemical_system":"CU-TI","cited_sources":[{"first_author":"Turchanin","kind":"unknown","label":"47","reference":"M. A. Turchanin and S. V. Porokhnya, “Enthalpy of formation of liquid alloys of copper with titanium and zirconium,” Rasplavy, No. 5, 29–32 (1995).","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-UXSUWOCF2Q","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":19},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.951},"composition_source":"printed","phase":"(βTi)"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"},{"basis":"mole_fraction","composition":{"TI":0.986},"composition_source":"printed","phase":"(αTi)"}],"phases":[{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(αTi)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r19#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"(βTi) <=> CuTi2 + (αTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1072.0,"temperature_printed":"1072","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1072.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-X7W2I2UCKZ","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p7/tab-2","row":20},"model":"M3450ca50","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","phase_compositions":[{"basis":"mole_fraction","composition":{"TI":0.953},"composition_source":"printed","phase":"(βTi)"},{"basis":"mole_fraction","composition":{"TI":0.667},"composition_source":"printed","phase":"CuTi2"},{"basis":"mole_fraction","composition":{"TI":0.984},"composition_source":"printed","phase":"(αTi)"}],"phases":[{"label":"(βTi)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"CuTi2","model_phase":"CUTI2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"(αTi)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11106-008-9026-2/p7/tab-2/r20#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"(βTi) <=> CuTi2 + (αTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"CU-TI","system":"CU-TI","temperature_K":1065.0,"temperature_printed":"1065","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1065.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":4,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-4PHSVPOMWZ","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p12/text-02"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","pid":"doi:10.1007/s11106-008-9026-2/p12/text-02/s08#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"The calculated temperature of the reaction L+ CuTi ⇔Cu4Ti3 is 1189 K, which agrees well with the data from [18, 26].","quote_page":12,"reaction":{"printed":"L+ CuTi ⇔Cu4Ti3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"CU-TI","system":"CU-TI","temperature_K":1189.0,"temperature_printed":"1189 K","tool_release":"release v2 + tools dev copy record build","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1189.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":4,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-IRQQOJMOUO","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p12/text-02"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","pid":"doi:10.1007/s11106-008-9026-2/p12/text-02/s10#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"The melting point of this compound is 1253 ± 5 K according to the DTA [32] and is 1251 K according to the calculation for xTi = 0.505.","quote_page":12,"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"CU-TI","system":"CU-TI","temperature_K":1251.0,"temperature_printed":"1251 K","tool_release":"release v2 + tools dev copy record build","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1251.0},{"chemical_system":"CU-TI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":4,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-FUZS5HBNI5","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p12/text-02"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","pid":"doi:10.1007/s11106-008-9026-2/p12/text-02/s17#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"The calculated temperature of the eutectic reaction L ⇔ CuTi2 + (βTi) is 1231 K (Table 2), which is close to that reported in [20, 26, 27, 34].","quote_page":12,"reaction":{"printed":"L ⇔ CuTi2 + (βTi)","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"CU-TI","system":"CU-TI","temperature_K":1231.0,"temperature_printed":"1231 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1231.0},{"chemical_system":"CU-TI","citations_printed":["17","18","26","27","29","34"],"conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","dropped_field_count":2,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":4,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-RCS3PYI4HC","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p14/text-44"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1007/s11106-008-9026-2","own_work_of_paper":true},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","pid":"doi:10.1007/s11106-008-9026-2/p14/text-44/s02#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"The calculated temperature of the reaction (βTi) ⇔ CuTi2 + (αTi) is 1065 K, which agrees well with the data [17, 18, 26, 27, 29, 34].","quote_page":14,"reaction":{"printed":"(βTi) ⇔ CuTi2 + (αTi)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"CU-TI","system":"CU-TI","temperature_K":1065.0,"temperature_printed":"1065","tool_release":"release v2 + tools dev copy record build","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1065.0},{"chemical_system":"CU-TI","citations_printed":["31"],"cited_sources":[{"first_author":"Eremenko","kind":"unknown","label":"31","reference":"V. N. Eremenko, R. N. Mogilevskii, V. M. Sergeenkova, and V. M. Petyuukh, “Melting heat and homogeneity range of TiCu intermetallic compound,” Izv. AN SSSR, Metally, No. 6, 171–173 (1988).","status":"resolved","year":"1988"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":4,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-XSQ2CA6ND4","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s11106-008-9026-2/p2/text-02"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11106-008-9026-2","paper_id":"doi:10.1007/s11106-008-9026-2","pid":"doi:10.1007/s11106-008-9026-2/p2/text-02/s20#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"It is pointed out in [31] that there are two modifications of Cu4Ti between which peritectoid transformation occurs at 773 K.","quote_page":2,"reaction":{"type":"peritectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"CU-TI","system":"CU-TI","temperature_K":773.0,"temperature_printed":"773 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"peritectoid","transition_kind_printed":"peritectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":773.0}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"CU-TI"}