{"artifacts":{"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii":{"artifact":"table","caption":"- Enthalpy","label":"III","page":12},"doi:10.1016/j.cemconres.2023.107309/p3/text-09":{"artifact":"text_passage","label":"page 3, passage 9","page":3},"doi:10.1016/j.cemconres.2023.107309/p8/text-52":{"artifact":"text_passage","label":"page 8, passage 52","page":8},"doi:10.1016/j.intermet.2003.07.001/p2/tab-1":{"artifact":"table","caption":"Standard enthalpies of formation of the intermediate binary Ca–Si phases (kJ/mol atoms, T=298 K) a","label":"1","page":2},"doi:10.1016/j.intermet.2003.07.001/p2/text-03":{"artifact":"text_passage","label":"page 2, passage 3","page":2},"doi:10.1016/j.intermet.2003.07.001/p4/tab-2":{"artifact":"table","caption":"Invariant equilibria of the binary Ca–Si system","label":"2","page":4}},"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":["CA","SI"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{"M916cea55":{"catalog_entry":{"license":"CC BY 4.0","name":"CaSi-03Gro.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"J. Groebner, I. Chumak, R. Schmid-Fetzer, Intermetallics, 11, 1065-74(2003).","model_doi":"10.1016/j.intermet.2003.07.001","reproduced_by_calculation":true,"tdb":"CaSi-03Gro.tdb","tdb_path":"databases/sgte-binary/CaSi-03Gro.tdb","tdb_sha256":"ee18ca4a4c4fd9e2c0777266deedd8b283b275ee7b41450d2903a7a01d2f461e"},"M917db8f9":{"catalog_entry":{"license":"CC BY 4.0","name":"CaSi-94Ang-LB.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":"J.-C. Anglezio, C. Servant, I. Ansara, Calphad, 18, 273-309(1994).","model_doi":"10.1016/0364-5916(94)90034-5","tdb":"CaSi-94Ang-LB.tdb","tdb_path":"databases/sgte-binary/CaSi-94Ang-LB.tdb","tdb_sha256":"1769fd4ca474bf20167a3d46eefb122b4ca3e2c446f36cc9d6c9425435323721"},"Ma359db18":{"catalog_entry":{"license":"CC BY 4.0","name":"CaSi-03Gro.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"J. Groebner, I. Chumak, R. Schmid-Fetzer, Intermetallics, 11, 1065-74(2003).","model_doi":"10.1016/j.intermet.2003.07.001","reproduced_by_calculation":false,"tdb":"CaSi-03Gro.tdb","tdb_path":"databases/sgte-binary/CaSi-03Gro.tdb","tdb_sha256":"ee18ca4a4c4fd9e2c0777266deedd8b283b275ee7b41450d2903a7a01d2f461e"},"Me4dbe483":{"catalog_entry":{"license":"CC BY 4.0","name":"CaSi-03Gro.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":"J. Groebner, I. Chumak, R. Schmid-Fetzer, Intermetallics, 11, 1065-74(2003).","model_doi":"10.1016/j.intermet.2003.07.001","tdb":"CaSi-03Gro.tdb","tdb_path":"databases/sgte-binary/CaSi-03Gro.tdb","tdb_sha256":"ee18ca4a4c4fd9e2c0777266deedd8b283b275ee7b41450d2903a7a01d2f461e"}},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1002/srin.197503664":{"authors":["Eberhard Schürmann","Peter Fünders","Hans Litterscheidt"],"citation":"Eberhard Schürmann, Peter Fünders, Hans Litterscheidt, Dampfdruck des Calciums über Calcium‐Silicium‐ und Calcium‐Aluminium‐Schmelzen sowie über Calcium‐Aluminium‐Silicium‐Legierungen, Steel Research Intl 46, 473-476 (1975).","container":"Steel Research Intl","doi":"10.1002/srin.197503664","doi_url":"https://doi.org/10.1002/srin.197503664","id":"doi:10.1002/srin.197503664","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Dampfdruck des Calciums über Calcium‐Silicium‐ und Calcium‐Aluminium‐Schmelzen sowie über Calcium‐Aluminium‐Silicium‐Legierungen","year":1975},"doi:10.1007/bf02664227":{"authors":["J. R. Wynnyckyj","L. M. Pidgeon"],"citation":"J. R. Wynnyckyj, L. M. Pidgeon, Activities in the Ca-Si system, Metall Trans 2, 975-978 (1971).","container":"Metall Trans","doi":"10.1007/bf02664227","doi_url":"https://doi.org/10.1007/bf02664227","id":"doi:10.1007/bf02664227","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Activities in the Ca-Si system","year":1971},"doi:10.1016/0364-5916(94)90034-5":{"authors":["J.C. Anglezio","C. Servant","I. Ansara"],"citation":"J.C. Anglezio, C. Servant, I. Ansara, Contribution to the experimental and thermodynamic assessment of the AlCaFeSi system—I. AlCaFe, AlCaSi, AlFeSi and CaFeSi systems, Calphad 18, 273-309 (1994).","container":"Calphad","doi":"10.1016/0364-5916(94)90034-5","doi_url":"https://doi.org/10.1016/0364-5916(94)90034-5","id":"doi:10.1016/0364-5916(94)90034-5","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"9ecc62ced0b7ca51","roles":["cited_source","reporting_paper"],"source_kinds":["journal_article"],"title":"Contribution to the experimental and thermodynamic assessment of the AlCaFeSi system—I. AlCaFe, AlCaSi, AlFeSi and CaFeSi systems","year":1994},"doi:10.1016/j.cemconres.2023.107309":{"authors":["Wahab Abdul","Chancel Mawalala","Alexander Pisch","Marcus Nigel Bannerman"],"citation":"Wahab Abdul, Chancel Mawalala, Alexander Pisch, Marcus Nigel Bannerman, CaO-SiO2 assessment using 3rd generation CALPHAD models, Cement and Concrete Research 173, 107309 (2023).","container":"Cement and Concrete Research","doi":"10.1016/j.cemconres.2023.107309","doi_url":"https://doi.org/10.1016/j.cemconres.2023.107309","id":"doi:10.1016/j.cemconres.2023.107309","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"c915e9e151d53dff","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"CaO-SiO2 assessment using 3rd generation CALPHAD models","year":2023},"doi:10.1016/j.intermet.2003.07.001":{"authors":["Joachim Gröbner","Igor Chumak","Rainer Schmid-Fetzer"],"citation":"Joachim Gröbner, Igor Chumak, Rainer Schmid-Fetzer, Experimental study of ternary Ca–Mg–Si phase equilibria and thermodynamic assessment of Ca–Si and Ca–Mg–Si systems, Intermetallics 11, 1065-1074 (2003).","container":"Intermetallics","doi":"10.1016/j.intermet.2003.07.001","doi_url":"https://doi.org/10.1016/j.intermet.2003.07.001","id":"doi:10.1016/j.intermet.2003.07.001","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"cc5f93874c15012b","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Experimental study of ternary Ca–Mg–Si phase equilibria and thermodynamic assessment of Ca–Si and Ca–Mg–Si systems","year":2003},"doi:10.1016/s0966-9795(99)00112-0":{"authors":["P. Manfrinetti","M.L. Fornasini","A. Palenzona"],"citation":"P. Manfrinetti, M.L. Fornasini, A. Palenzona, The phase diagram of the Ca–Si system, Intermetallics 8, 223-228 (2000).","container":"Intermetallics","doi":"10.1016/s0966-9795(99)00112-0","doi_url":"https://doi.org/10.1016/s0966-9795(99)00112-0","id":"doi:10.1016/s0966-9795(99)00112-0","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"The phase diagram of the Ca–Si system","year":2000}},"part":1,"parts":1,"records":[{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"62Shc","status":"unresolved"}],"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,"magnitude_suspect":true,"review_state":"extracted","specification_gaps":["basis per formula unit (inferred)"],"state_fully_specified":false},"fold_lpo":1,"fold_lso":2,"id":"ORC-4PJ5LDNA3U","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":1},"method":"calorimetry","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"Ca2Si"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/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":"Enthalpy of formation","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":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":24.15},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":9.6,"sigma_method":{"basis":"calibrated","ci95":[2.201549,4.602285],"class":"solution_reaction_calorimetry","entry":"value_types/HM_FORM/classes/solution_reaction_calorimetry","floor":3.2,"floor_unit":"kJ/mol-atom","n_pairs":80,"scaled_for_unstated_basis":3,"value":9.6},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-483.0,"value_printed":-483000,"value_stored":-483000.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"66Zvi","status":"unresolved"}],"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":1,"fold_lso":2,"id":"ORC-KOF3D5DOBU","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":2},"method":"e.m.f","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.666667},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi2"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r02#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":"Enthalpy of formation","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":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":7.671},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":13.8,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.887042,14.818519],"class":"emf","entry":"value_types/HM_FORM/classes/emf","floor":4.6,"floor_unit":"kJ/mol-atom","n_pairs":17,"prior_source":"kubaschewski","scaled_for_unstated_basis":3,"value":13.8},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-153.42,"value_printed":-153420,"value_stored":-153420.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"67Mur","status":"unresolved"}],"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":1,"fold_lso":2,"id":"ORC-JZPRQCK6LV.6f5dfd","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":3},"method":"effusion method","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"Ca2Si"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r03#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":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"preliminary_flash+claude","readers":["gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":12.7176},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":12.6,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"scaled_for_unstated_basis":3,"value":12.6},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-254.352,"value_printed":-254352,"value_stored":-254352.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"67Mur","status":"unresolved"}],"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":1,"fold_lso":2,"id":"ORC-JZPRQCK6LV.b81cde","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":3},"method":"effusion method","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.5},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r03#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":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"preliminary_flash+claude","readers":["gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":9.0079},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.4,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"scaled_for_unstated_basis":2,"value":8.4},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-180.158,"value_printed":-180158,"value_stored":-180158.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"67Mur","status":"unresolved"}],"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":1,"fold_lso":2,"id":"ORC-JZPRQCK6LV.f0add6","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":3},"method":"effusion method","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.666667},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi2"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r03#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":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"preliminary_flash+claude","readers":["gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":9.56175},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":12.6,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"scaled_for_unstated_basis":3,"value":12.6},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-191.235,"value_printed":-191235,"value_stored":-191235.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"71Wyn","status":"unresolved"}],"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":1,"fold_lso":2,"id":"ORC-N5ROC4RKTX.721bc7","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":4},"method":"effusion method","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.5},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r04#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":"Enthalpy of formation","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":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":4.598},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.4,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"scaled_for_unstated_basis":2,"value":8.4},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-91.96,"value_printed":-91960,"value_stored":-91960.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"71Wyn","status":"unresolved"}],"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":1,"fold_lso":2,"id":"ORC-N5ROC4RKTX.7e6061","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":4},"method":"effusion method","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.666667},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi2"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r04#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":"Enthalpy of formation","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":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":5.4999},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":12.6,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"scaled_for_unstated_basis":3,"value":12.6},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-109.998,"value_printed":-109998,"value_stored":-109998.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"82Wag","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","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":1,"fold_lso":2,"id":"ORC-NHL3WKUEZI.65eb1f","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":5},"observation_type":"equilibrium_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"overall_composition":{"SI":0.5},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r05#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":"Enthalpy of formation","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":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":7.55},"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":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.mol-1","unit_stored":"J/mol (basis unstated)","value":-151.0,"value_printed":-151000,"value_stored":-151000.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"82Wag","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","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":1,"fold_lso":2,"id":"ORC-NHL3WKUEZI.8e03ae","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":5},"observation_type":"equilibrium_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"overall_composition":{"SI":0.666667},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi2"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r05#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":"Enthalpy of formation","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":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":7.55},"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":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.mol-1","unit_stored":"J/mol (basis unstated)","value":-151.0,"value_printed":-151000,"value_stored":-151000.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"82Wag","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","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":1,"fold_lso":2,"id":"ORC-NHL3WKUEZI.ecff0a","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":5},"observation_type":"equilibrium_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"Ca2Si"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r05#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":"Enthalpy of formation","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":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":10.45},"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":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.mol-1","unit_stored":"J/mol (basis unstated)","value":-209.0,"value_printed":-209000,"value_stored":-209000.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"82Dzh","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","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":1,"fold_lso":2,"id":"ORC-DZKVQXRJDP.21d114","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":6},"observation_type":"equilibrium_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"overall_composition":{"SI":0.666667},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi2"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/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":"Enthalpy of formation","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":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":7.52},"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":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.mol-1","unit_stored":"J/mol (basis unstated)","value":-150.4,"value_printed":-150400,"value_stored":-150400.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"82Dzh","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","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":1,"fold_lso":2,"id":"ORC-DZKVQXRJDP.33121c","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":6},"observation_type":"equilibrium_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"overall_composition":{"SI":0.5},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/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":"Enthalpy of formation","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":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":6.019},"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":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.mol-1","unit_stored":"J/mol (basis unstated)","value":-120.38,"value_printed":-120380,"value_stored":-120380.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"86Lee","status":"unresolved"}],"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","specification_gaps":["state:T_K","temperature not stated"],"state_fully_specified":false},"fold_lpo":1,"fold_lso":2,"id":"ORC-G3QGQT2UTI.90da11","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":7},"method":"phase diagram analysis","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"Ca2Si"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r07#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":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"preliminary_flash+claude","readers":["gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.1932},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-23.864,"value_printed":-23864,"value_stored":-23864.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"86Lee","status":"unresolved"}],"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","specification_gaps":["state:T_K","temperature not stated"],"state_fully_specified":false},"fold_lpo":1,"fold_lso":2,"id":"ORC-G3QGQT2UTI.d52830","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":7},"method":"phase diagram analysis","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"overall_composition":{"SI":0.5},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r07#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":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"preliminary_flash+claude","readers":["gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":10.5205},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-210.41,"value_printed":-210410,"value_stored":-210410.0},{"chemical_system":"CA-SI","cited_sources":[{"kind":"unknown","label":"86Lee","status":"unresolved"}],"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","specification_gaps":["state:T_K","temperature not stated"],"state_fully_specified":false},"fold_lpo":1,"fold_lso":2,"id":"ORC-G3QGQT2UTI.e8fcf3","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":7},"method":"phase diagram analysis","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"overall_composition":{"SI":0.666667},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi2"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r07#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":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"preliminary_flash+claude","readers":["gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":10.017},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-200.34,"value_printed":-200340,"value_stored":-200340.0},{"chemical_system":"CA-SI","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":1,"fold_lso":2,"id":"ORC-SGG43HL74Z.3ff113","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":8},"model":"M917db8f9","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/0364-5916(94)90034-5","own_work_of_paper":true},"overall_composition":{"SI":0.666667},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi2"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r08#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":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"preliminary_flash+claude","readers":["gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":7.52},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-150.4,"value_printed":-150400,"value_stored":-150400.0},{"chemical_system":"CA-SI","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":1,"fold_lso":2,"id":"ORC-SGG43HL74Z.bf7a5f","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":8},"model":"M917db8f9","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/0364-5916(94)90034-5","own_work_of_paper":true},"overall_composition":{"SI":0.5},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"CaSi"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r08#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":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"preliminary_flash+claude","readers":["gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":6.032},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-120.64,"value_printed":-120640,"value_stored":-120640.0},{"chemical_system":"CA-SI","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":1,"fold_lso":2,"id":"ORC-SGG43HL74Z.f8ca49","locator":{"ref":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii","row":8},"model":"M917db8f9","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/0364-5916(94)90034-5","own_work_of_paper":true},"overall_composition":{"SI":0.333333},"paper":"doi:10.1016/0364-5916(94)90034-5","paper_id":"doi:10.1016/0364-5916(94)90034-5","phases":[{"label":"Ca2Si"}],"pid":"doi:10.1016/0364-5916(94)90034-5/p12/tab-iii/r08#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":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"preliminary_flash+claude","readers":["gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":10.45},"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.mol-1","unit_stored":"J/mol (basis unstated)","value":-209.0,"value_printed":-209000,"value_stored":-209000.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Wynnyckyj","kind":"unknown","label":"9","reference":"Wynnyckyj JR, Pigeon LM. Investigations on the constitution of the calcium-silicon system. High Temp Sci 1972;4: 192–204.","status":"resolved","year":"1972"}],"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"},{"after":{"CA":0.333333,"SI":0.666667},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi2","max_deviation":0.3333},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"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"},"fold_lpo":0,"fold_lso":2,"id":"ORC-F6T2FC7SLV.3a2f60","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":1},"method":"Calorimetry at 940K","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.333333,"SI":0.666667},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi2","model_phase":"CASI2_C12"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.635},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.2,"sigma_method":{"basis":"calibrated","ci95":[2.201549,4.602285],"class":"solution_reaction_calorimetry","entry":"value_types/HM_FORM/classes/solution_reaction_calorimetry","floor":3.2,"floor_unit":"kJ/mol-atom","n_pairs":80,"value":3.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-52.7,"value_printed":-52.7,"value_stored":-52700.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Wynnyckyj","kind":"unknown","label":"9","reference":"Wynnyckyj JR, Pigeon LM. Investigations on the constitution of the calcium-silicon system. High Temp Sci 1972;4: 192–204.","status":"resolved","year":"1972"}],"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"},{"after":{"CA":0.5,"SI":0.5},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi","max_deviation":0.1667},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"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"},"fold_lpo":0,"fold_lso":2,"id":"ORC-F6T2FC7SLV.a78679","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":1},"method":"Calorimetry at 940K","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.5,"SI":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi","model_phase":"CASI_B33"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":3.955},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.2,"sigma_method":{"basis":"calibrated","ci95":[2.201549,4.602285],"class":"solution_reaction_calorimetry","entry":"value_types/HM_FORM/classes/solution_reaction_calorimetry","floor":3.2,"floor_unit":"kJ/mol-atom","n_pairs":80,"value":3.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-79.1,"value_printed":-79.1,"value_stored":-79100.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Wynnyckyj","kind":"unknown","label":"9","reference":"Wynnyckyj JR, Pigeon LM. Investigations on the constitution of the calcium-silicon system. High Temp Sci 1972;4: 192–204.","status":"resolved","year":"1972"}],"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_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"id":"ORC-F6T2FC7SLV.bfb311","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":1},"method":"Calorimetry at 940K","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca2Si","model_phase":"CA2SI_C37"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":3.57},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.2,"sigma_method":{"basis":"calibrated","ci95":[2.201549,4.602285],"class":"solution_reaction_calorimetry","entry":"value_types/HM_FORM/classes/solution_reaction_calorimetry","floor":3.2,"floor_unit":"kJ/mol-atom","n_pairs":80,"value":3.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-71.4,"value_printed":-71.4,"value_stored":-71400.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Kubaschewski","kind":"unknown","label":"10","reference":"Kubaschewski O, Villa HZ. Elektrochem 1949;53:32.","status":"resolved","year":"1949"}],"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_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"id":"ORC-VOQICLLMUA","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":2},"method":"Calorimetry","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca2Si","model_phase":"CA2SI_C37"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r02#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.415},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.2,"sigma_method":{"basis":"calibrated","ci95":[2.201549,4.602285],"class":"solution_reaction_calorimetry","entry":"value_types/HM_FORM/classes/solution_reaction_calorimetry","floor":3.2,"floor_unit":"kJ/mol-atom","n_pairs":80,"value":3.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-48.3,"value_printed":-48.3,"value_stored":-48300.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Shchukarev","kind":"unknown","label":"11","reference":"Shchukarev SA, Morozova MP, Pron GF. Zh Obshch Khim 1962;32:2069.","status":"resolved","year":"1962"}],"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","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"espei_ready_before_gates":true,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-TMGYG5CRHE","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":3},"method":"Emf","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi2","model_phase":"CASI2_C12"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r03#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":7.671},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.6,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.887042,14.818519],"class":"emf","entry":"value_types/HM_FORM/classes/emf","floor":4.6,"floor_unit":"kJ/mol-atom","n_pairs":17,"prior_source":"kubaschewski","value":4.6},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-153.42,"value_printed":-153.42,"value_stored":-153420.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Zviadadze","kind":"unknown","label":"12","reference":"Zviadadze GN, Kereselidze MV. Tr Inst Akad Nauk Gruz SSR 1966;15:88. 1074 J. Gröbner et al. / Intermetallics 11 (2003) 1065–1074","status":"resolved","year":"2003"}],"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"},{"after":{"CA":0.333333,"SI":0.666667},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi2","max_deviation":0.3333},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"espei_ready_before_gates":true,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-5UBITMWKOB.50a5a9","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":4},"method":"Effusion","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.333333,"SI":0.666667},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi2","model_phase":"CASI2_C12"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r04#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":9.5615},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-191.23,"value_printed":-191.23,"value_stored":-191230.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Zviadadze","kind":"unknown","label":"12","reference":"Zviadadze GN, Kereselidze MV. Tr Inst Akad Nauk Gruz SSR 1966;15:88. 1074 J. Gröbner et al. / Intermetallics 11 (2003) 1065–1074","status":"resolved","year":"2003"}],"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","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"espei_ready_before_gates":true,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-5UBITMWKOB.6652b8","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":4},"method":"Effusion","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca2Si","model_phase":"CA2SI_C37"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r04#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":12.7175},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-254.35,"value_printed":-254.35,"value_stored":-254350.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Zviadadze","kind":"unknown","label":"12","reference":"Zviadadze GN, Kereselidze MV. Tr Inst Akad Nauk Gruz SSR 1966;15:88. 1074 J. Gröbner et al. / Intermetallics 11 (2003) 1065–1074","status":"resolved","year":"2003"}],"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"},{"after":{"CA":0.5,"SI":0.5},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi","max_deviation":0.1667},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"espei_ready_before_gates":true,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-5UBITMWKOB.771bfa","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":4},"method":"Effusion","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.5,"SI":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi","model_phase":"CASI_B33"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r04#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":9.008},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-180.16,"value_printed":-180.16,"value_stored":-180160.0},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1007/bf02664227","first_author":"Wynnyckyj","kind":"unknown","label":"7","paper":"doi:10.1007/bf02664227","reference":"Wynnyckyj JR, Pigeon LM. Activities in the Ca–Si System. Metall Trans 1971;2:975–8.","status":"resolved","year":"1971"}],"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"},{"after":{"CA":0.333333,"SI":0.666667},"before":{"SI":0.5},"evidence":{"basis":"printed_formula","label":"CaSi2","max_deviation":0.1667},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"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"},"fold_lpo":0,"fold_lso":2,"id":"ORC-GKI2CB5HSS.528a27","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":5},"method":"Effusion","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.333333,"SI":0.666667},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.5},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi2","model_phase":"CASI2_C12"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r05#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":1.835},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-36.7,"value_printed":-36.7,"value_stored":-36700.0},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1007/bf02664227","first_author":"Wynnyckyj","kind":"unknown","label":"7","paper":"doi:10.1007/bf02664227","reference":"Wynnyckyj JR, Pigeon LM. Activities in the Ca–Si System. Metall Trans 1971;2:975–8.","status":"resolved","year":"1971"}],"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_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"id":"ORC-GKI2CB5HSS.8d0d88","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":5},"method":"Effusion","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi","model_phase":"CASI_B33"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r05#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.3},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-46.0,"value_printed":-46.0,"value_stored":-46000.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Muradov","kind":"unknown","label":"13","reference":"Muradov VG, Gel’d PV, Kocherov PV. Russ J Phys Chem 1967; 41:5.","status":"resolved","year":"1967"}],"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"},{"after":{"CA":0.5,"SI":0.5},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi","max_deviation":0.1667},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"espei_ready_before_gates":true,"extraction_accepted":true,"gate_failures":["phase_label_readings_disagree","row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"phase_label_readings_disagree","detail":"the same printed value is also stored with phase(s) CaSi2","effect":"not_espei_ready","gate":"G7"},{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-4M4CL2ZEFR.01d466","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":6},"observation_type":"equilibrium_property","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.5,"SI":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi","model_phase":"CASI_B33"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":7.55},"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":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-151.0,"value_printed":-151.0,"value_stored":-151000.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Muradov","kind":"unknown","label":"13","reference":"Muradov VG, Gel’d PV, Kocherov PV. Russ J Phys Chem 1967; 41:5.","status":"resolved","year":"1967"}],"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","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"espei_ready_before_gates":true,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-4M4CL2ZEFR.f6076c","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":6},"observation_type":"equilibrium_property","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca2Si","model_phase":"CA2SI_C37"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":10.45},"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":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-209.0,"value_printed":-209.0,"value_stored":-209000.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Muradov","kind":"unknown","label":"13","reference":"Muradov VG, Gel’d PV, Kocherov PV. Russ J Phys Chem 1967; 41:5.","status":"resolved","year":"1967"}],"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"},{"after":{"CA":0.333333,"SI":0.666667},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi2","max_deviation":0.3333},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"espei_ready_before_gates":true,"extraction_accepted":true,"gate_failures":["phase_label_readings_disagree","row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"phase_label_readings_disagree","detail":"the same printed value is also stored with phase(s) CaSi","effect":"not_espei_ready","gate":"G7"},{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-4M4CL2ZEFR.f95b49","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":6},"observation_type":"equilibrium_property","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.333333,"SI":0.666667},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi2","model_phase":"CASI2_C12"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":7.55},"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":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-151.0,"value_printed":-151.0,"value_stored":-151000.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Wagman","kind":"unknown","label":"14","reference":"Wagman DD, Evans WH, Parker VP, Schumm RH, Halow I, Bailey SM, Churney KL, Nuttall RL. The NBS tables of chemical thermodynamic properties. J Phys Chem Ref Data 1982;11(2).","status":"resolved","year":"1982"}],"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":"unspecified","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-MVPCUY2QXZ.24c48a","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":7},"observation_type":"equilibrium_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"overall_composition":{"SI":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi","model_phase":"CASI_B33"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r07#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":6.019},"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":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-120.38,"value_printed":-120.38,"value_stored":-120380.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Wagman","kind":"unknown","label":"14","reference":"Wagman DD, Evans WH, Parker VP, Schumm RH, Halow I, Bailey SM, Churney KL, Nuttall RL. The NBS tables of chemical thermodynamic properties. J Phys Chem Ref Data 1982;11(2).","status":"resolved","year":"1982"}],"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"},{"after":{"CA":0.333333,"SI":0.666667},"before":{"SI":0.5},"evidence":{"basis":"printed_formula","label":"CaSi2","max_deviation":0.1667},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-MVPCUY2QXZ.509ca2","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":7},"observation_type":"equilibrium_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"overall_composition":{"CA":0.333333,"SI":0.666667},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.5},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi2","model_phase":"CASI2_C12"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r07#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":7.52},"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":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-150.4,"value_printed":-150.4,"value_stored":-150400.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Lee","kind":"assessment","label":"8","reference":"Lee YE. User application of alloy phase diagrams. In: Kaufman L. Ohio USA: ASM International Materials Park; 1986. p. 97.","status":"resolved","year":"1986"}],"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"},{"after":{"CA":0.5,"SI":0.5},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi","max_deviation":0.1667},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"model","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-3HYDEZEJHJ.a45823","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":8},"method":"Calphad","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"overall_composition":{"CA":0.5,"SI":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi","model_phase":"CASI_B33"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r08#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":10.5205},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-210.41,"value_printed":-210.41,"value_stored":-210410.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Lee","kind":"assessment","label":"8","reference":"Lee YE. User application of alloy phase diagrams. In: Kaufman L. Ohio USA: ASM International Materials Park; 1986. p. 97.","status":"resolved","year":"1986"}],"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":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"id":"ORC-3HYDEZEJHJ.c9f16c","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":8},"method":"Calphad","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca2Si","model_phase":"CA2SI_C37"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r08#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":1.193},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-23.86,"value_printed":-23.86,"value_stored":-23860.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Lee","kind":"assessment","label":"8","reference":"Lee YE. User application of alloy phase diagrams. In: Kaufman L. Ohio USA: ASM International Materials Park; 1986. p. 97.","status":"resolved","year":"1986"}],"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"},{"after":{"CA":0.333333,"SI":0.666667},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi2","max_deviation":0.3333},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"model","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-3HYDEZEJHJ.ec7553","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":8},"method":"Calphad","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"overall_composition":{"CA":0.333333,"SI":0.666667},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi2","model_phase":"CASI2_C12"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r08#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":10.017},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-200.34,"value_printed":-200.34,"value_stored":-200340.0},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/0364-5916(94)90034-5","first_author":"Anglezio","kind":"assessment","label":"5","paper":"doi:10.1016/0364-5916(94)90034-5","reference":"Anglezio JC, Servant C, Ansara I. Contribution to the experimental and thermodynamic assessment of the Al–Ca–Fe–Si system—I. Al–Ca–Fe, Al–Ca–Si, Al–Fe–Si and Ca–Fe–Si systems. Calphad 1994;18(3):273–309.","status":"resolved","year":"1994"}],"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":"model","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-DSIDS2MAX2.9b2cda","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":9},"method":"Calphad","method_basis":"printed in the table row/column","model":"M917db8f9","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/0364-5916(94)90034-5","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca2Si","model_phase":"CA2SI_C37"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r09#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":10.45},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-209.0,"value_printed":-209.0,"value_stored":-209000.0},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/0364-5916(94)90034-5","first_author":"Anglezio","kind":"assessment","label":"5","paper":"doi:10.1016/0364-5916(94)90034-5","reference":"Anglezio JC, Servant C, Ansara I. Contribution to the experimental and thermodynamic assessment of the Al–Ca–Fe–Si system—I. Al–Ca–Fe, Al–Ca–Si, Al–Fe–Si and Ca–Fe–Si systems. Calphad 1994;18(3):273–309.","status":"resolved","year":"1994"}],"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"},{"after":{"CA":0.5,"SI":0.5},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi","max_deviation":0.1667},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"model","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-DSIDS2MAX2.b484d4","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":9},"method":"Calphad","method_basis":"printed in the table row/column","model":"M917db8f9","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/0364-5916(94)90034-5","own_work_of_paper":false},"overall_composition":{"CA":0.5,"SI":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi","model_phase":"CASI_B33"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r09#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":6.032},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-120.64,"value_printed":-120.64,"value_stored":-120640.0},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/0364-5916(94)90034-5","first_author":"Anglezio","kind":"assessment","label":"5","paper":"doi:10.1016/0364-5916(94)90034-5","reference":"Anglezio JC, Servant C, Ansara I. Contribution to the experimental and thermodynamic assessment of the Al–Ca–Fe–Si system—I. Al–Ca–Fe, Al–Ca–Si, Al–Fe–Si and Ca–Fe–Si systems. Calphad 1994;18(3):273–309.","status":"resolved","year":"1994"}],"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"},{"after":{"CA":0.333333,"SI":0.666667},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi2","max_deviation":0.3333},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"model","flags":{"calphad_check":"not_available","dft_outlier_unexplained":true,"espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["row_basis_contradicts_column_header"],"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"row_basis_contradicts_column_header","detail":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1)","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-24","image_sha256":"923068c0b74f0d6c35f862898c18f1a3fbe8ddf96713d520cbffeacc30cceebd","page":2,"pdf_sha256_prefix":"cc5f93874c15012b","seen":"Table 1 Ca-Si 'kJ/mol atoms': rows [11]-[14], [5], [8] print CaSi2 -150 ... -200, CaSi -120 ... -210, Ca2Si -209 ... -254, 2-4x the calorimetric rows of the same columns ([9] -52.7/-79.1/-71.4, this work -37.8 ... -56.1); these rows are per formula unit in the cited works, but no single divisor can be read per row: value kept as printed, not ESPEI-ready.","verdict":"flagged"}}],"id":"ORC-DSIDS2MAX2.da25fb","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":9},"method":"Calphad","method_basis":"printed in the table row/column","model":"M917db8f9","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/0364-5916(94)90034-5","own_work_of_paper":false},"overall_composition":{"CA":0.333333,"SI":0.666667},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi2","model_phase":"CASI2_C12"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r09#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":7.52},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-150.4,"value_printed":-150.4,"value_stored":-150400.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Sudatsova","kind":"unknown","label":"19","reference":"Sudatsova VS, Batalin GI. Izvest Akad Nauk SSSR, Neorg Khim 1988;24(9):1578–80.","status":"resolved","year":"1988"}],"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"},{"after":{"CA":0.333333,"SI":0.666667},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi2","max_deviation":0.3333},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"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"},"fold_lpo":0,"fold_lso":2,"id":"ORC-6N2AN7HUCW.19aede","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":10},"method":"Knudsen cell","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.333333,"SI":0.666667},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi2","model_phase":"CASI2_C12"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r10#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":1.89},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-37.8,"value_printed":-37.8,"value_stored":-37800.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Sudatsova","kind":"unknown","label":"19","reference":"Sudatsova VS, Batalin GI. Izvest Akad Nauk SSSR, Neorg Khim 1988;24(9):1578–80.","status":"resolved","year":"1988"}],"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"},{"after":{"CA":0.428571,"SI":0.571429},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"Ca3Si4","max_deviation":0.2381},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"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"},"fold_lpo":0,"fold_lso":2,"id":"ORC-6N2AN7HUCW.3066cd","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":10},"method":"Knudsen cell","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.428571,"SI":0.571429},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca3Si4","model_phase":"CA3SI4"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r10#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.03},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-40.6,"value_printed":-40.6,"value_stored":-40600.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Sudatsova","kind":"unknown","label":"19","reference":"Sudatsova VS, Batalin GI. Izvest Akad Nauk SSSR, Neorg Khim 1988;24(9):1578–80.","status":"resolved","year":"1988"}],"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"},{"after":{"CA":0.625,"SI":0.375},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"Ca5Si3","max_deviation":0.0417},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"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"},"fold_lpo":0,"fold_lso":2,"id":"ORC-6N2AN7HUCW.51fc9a","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":10},"method":"Knudsen cell","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.625,"SI":0.375},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca5Si3","model_phase":"CA5SI3_D8L"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r10#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.765},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-55.3,"value_printed":-55.3,"value_stored":-55300.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Sudatsova","kind":"unknown","label":"19","reference":"Sudatsova VS, Batalin GI. Izvest Akad Nauk SSSR, Neorg Khim 1988;24(9):1578–80.","status":"resolved","year":"1988"}],"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_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"id":"ORC-6N2AN7HUCW.666538","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":10},"method":"Knudsen cell","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"SI":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca2Si","model_phase":"CA2SI_C37"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r10#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.805},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-56.1,"value_printed":-56.1,"value_stored":-56100.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Sudatsova","kind":"unknown","label":"19","reference":"Sudatsova VS, Batalin GI. Izvest Akad Nauk SSSR, Neorg Khim 1988;24(9):1578–80.","status":"resolved","year":"1988"}],"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"},{"after":{"CA":0.5,"SI":0.5},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi","max_deviation":0.1667},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"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"},"fold_lpo":0,"fold_lso":2,"id":"ORC-6N2AN7HUCW.94409a","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":10},"method":"Knudsen cell","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.5,"SI":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi","model_phase":"CASI_B33"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r10#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.48},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-49.6,"value_printed":-49.6,"value_stored":-49600.0},{"chemical_system":"CA-SI","cited_sources":[{"first_author":"Sudatsova","kind":"unknown","label":"19","reference":"Sudatsova VS, Batalin GI. Izvest Akad Nauk SSSR, Neorg Khim 1988;24(9):1578–80.","status":"resolved","year":"1988"}],"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"},{"after":{"CA":0.424242,"SI":0.575758},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"Ca14Si19","max_deviation":0.2424},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"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"},"fold_lpo":0,"fold_lso":2,"id":"ORC-6N2AN7HUCW.98b465","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":10},"method":"Knudsen cell","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"CA":0.424242,"SI":0.575758},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca14Si19","model_phase":"CA14SI19"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/r10#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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.22},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-44.4,"value_printed":-44.4,"value_stored":-44400.0},{"chemical_system":"CA-SI","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"},{"after":{"CA":0.5,"SI":0.5},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi","max_deviation":0.1667},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"id":"ORC-O66YRHEN77.0fbdc8","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":11},"method":"Calphad","method_basis":"printed in the table row/column","model":"Me4dbe483","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","own_work_of_paper":true},"overall_composition":{"CA":0.5,"SI":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi","model_phase":"CASI_B33"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.445},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-48.9,"value_printed":-48.9,"value_stored":-48900.0},{"chemical_system":"CA-SI","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"},{"after":{"CA":0.333333,"SI":0.666667},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"CaSi2","max_deviation":0.3333},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"id":"ORC-O66YRHEN77.3cc744","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":11},"method":"Calphad","method_basis":"printed in the table row/column","model":"Me4dbe483","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","own_work_of_paper":true},"overall_composition":{"CA":0.333333,"SI":0.666667},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"CaSi2","model_phase":"CASI2_C12"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":1.89},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-37.8,"value_printed":-37.8,"value_stored":-37800.0},{"chemical_system":"CA-SI","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"},{"after":{"CA":0.625,"SI":0.375},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"Ca5Si3","max_deviation":0.0417},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"id":"ORC-O66YRHEN77.4524a8","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":11},"method":"Calphad","method_basis":"printed in the table row/column","model":"Me4dbe483","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","own_work_of_paper":true},"overall_composition":{"CA":0.625,"SI":0.375},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca5Si3","model_phase":"CA5SI3_D8L"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.765},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-55.3,"value_printed":-55.3,"value_stored":-55300.0},{"chemical_system":"CA-SI","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"},{"after":{"CA":0.428571,"SI":0.571429},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"Ca3Si4","max_deviation":0.2381},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"id":"ORC-O66YRHEN77.aeccce","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":11},"method":"Calphad","method_basis":"printed in the table row/column","model":"Me4dbe483","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","own_work_of_paper":true},"overall_composition":{"CA":0.428571,"SI":0.571429},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca3Si4","model_phase":"CA3SI4"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.3},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-46.0,"value_printed":-46.0,"value_stored":-46000.0},{"chemical_system":"CA-SI","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"},{"after":{"CA":0.424242,"SI":0.575758},"before":{"SI":0.333333},"evidence":{"basis":"printed_formula","label":"Ca14Si19","max_deviation":0.2424},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":2,"id":"ORC-O66YRHEN77.c117fe","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":11},"method":"Calphad","method_basis":"printed in the table row/column","model":"Me4dbe483","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","own_work_of_paper":true},"overall_composition":{"CA":0.424242,"SI":0.575758},"overall_composition_basis":"from_formula","overall_composition_stored":{"SI":0.333333},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca14Si19","model_phase":"CA14SI19"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.22},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-44.4,"value_printed":-44.4,"value_stored":-44400.0},{"chemical_system":"CA-SI","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":0,"fold_lso":2,"id":"ORC-O66YRHEN77.ed824e","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1","row":11},"method":"Calphad","method_basis":"printed in the table row/column","model":"Me4dbe483","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","own_work_of_paper":true},"overall_composition":{"SI":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phases":[{"label":"Ca2Si","model_phase":"CA2SI_C37"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p2/tab-1/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 (standard)","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","reference_state":{"CA":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"SI":{"fixed_state_variables":{"T":298.15},"phase":"DIAMOND_A4"}},"source_system":"CA-SI","system":"CA-SI","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":2.805},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"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,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-56.1,"value_printed":-56.1,"value_stored":-56100.0},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"experimental","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":3.88,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-ZCJD7ICEEG","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":8},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"stoichiometry","phase":"Ca2Si"},{"basis":"mole_fraction","composition":{"SI":0.375},"composition_source":"stoichiometry","phase":"Ca5Si3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca2Si","mapping_confidence":"confirmed","model_phase":"CA2SI_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"Ca5Si3","mapping_confidence":"confirmed","model_phase":"CA5SI3_D8L","pearson_symbol":"tI32","prototype":"Cr5B3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-0451498f#invariant","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 + Ca2Si = Ca5Si3","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1513.15,"temperature_printed":"1240","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"p1","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-11},"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":0.005},"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":1513.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"experimental","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-23.37,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-LZYBUPL5S5","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":20},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"stoichiometry","phase":"CaSi"},{"basis":"mole_fraction","composition":{"SI":0.5757575758},"composition_source":"stoichiometry","phase":"Ca14Si19"},{"basis":"mole_fraction","composition":{"SI":0.5714285714},"composition_source":"stoichiometry","phase":"Ca3Si4"}],"phases":[{"label":"CaSi","mapping_confidence":"confirmed","model_phase":"CASI_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Ca14Si19","mapping_confidence":"confirmed","model_phase":"CA14SI19","pearson_symbol":"hR66","prototype":"Ca14Si19","structure_basis":"mapped_model_phase"},{"label":"Ca3Si4","mapping_confidence":"confirmed","model_phase":"CA3SI4","pearson_symbol":"hP42","prototype":"Ca3Si4","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-068ab9b3#invariant","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":"CaSi + Ca14Si19 = Ca3Si4","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1183.15,"temperature_approximate":true,"temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"p4","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-11},"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":0.005},"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":1183.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1002/srin.197503664","first_author":"Schurmann","kind":"experimental","label":"18","paper":"doi:10.1002/srin.197503664","reference":"Schürmann E, Fünders P, Litterscheidt H. Vapor pressure of calcium above calcium–silicon and calcium–aluminum melts and also above calcium–aluminum–silicon alloys. Arch Eisenhüttenwes 1975;46:473–6.","status":"resolved","year":"1975"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-16.198,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-JRAA64LBYX","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":24},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1002/srin.197503664","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"stoichiometry","phase":"Ca2Si"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"(βCa)","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"Ca2Si","mapping_confidence":"confirmed","model_phase":"CA2SI_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-3b09028c#invariant","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 = (βCa) + Ca2Si","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1055.15,"temperature_printed":"782","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"e3","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-11},"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":0.005},"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":1055.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"experimental","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":0.842,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-PNL7QGM67R","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":15},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5757575758},"composition_source":"stoichiometry","phase":"Ca14Si19"},{"basis":"mole_fraction","composition":{"SI":0.6666666667},"composition_source":"stoichiometry","phase":"CaSi2"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca14Si19","mapping_confidence":"confirmed","model_phase":"CA14SI19","pearson_symbol":"hR66","prototype":"Ca14Si19","structure_basis":"mapped_model_phase"},{"label":"CaSi2","mapping_confidence":"confirmed","model_phase":"CASI2_C12","pearson_symbol":"hR6","prototype":"CaSi2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-421de419#invariant","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 + Ca14Si19 = CaSi2","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1303.15,"temperature_printed":"1030","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"p3","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-11},"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":0.005},"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":1303.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1002/srin.197503664","first_author":"Schurmann","kind":"experimental","label":"18","paper":"doi:10.1002/srin.197503664","reference":"Schürmann E, Fünders P, Litterscheidt H. Vapor pressure of calcium above calcium–silicon and calcium–aluminum melts and also above calcium–aluminum–silicon alloys. Arch Eisenhüttenwes 1975;46:473–6.","status":"resolved","year":"1975"}],"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":0,"fold_lso":2,"id":"ORC-NU65N446RZ","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":4},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1002/srin.197503664","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"stoichiometry","phase":"Ca2Si"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca2Si","mapping_confidence":"confirmed","model_phase":"CA2SI_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-476aa67a#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","reaction":{"printed":"L = Ca2Si","type":"congruent melting"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1578.15,"temperature_printed":"1305","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","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-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1578.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"experimental","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"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":0,"fold_lso":2,"id":"ORC-ZMRQGLGIW4","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":5},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"stoichiometry","phase":"Ca2Si"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca2Si","mapping_confidence":"confirmed","model_phase":"CA2SI_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-568c5d03#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","reaction":{"printed":"L = Ca2Si","type":"congruent melting"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1543.15,"temperature_printed":"1270","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","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-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1543.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"experimental","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":1.435,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-NXYN7NLYT5","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":12},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"stoichiometry","phase":"CaSi"},{"basis":"mole_fraction","composition":{"SI":0.5757575758},"composition_source":"stoichiometry","phase":"Ca14Si19"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"CaSi","mapping_confidence":"confirmed","model_phase":"CASI_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Ca14Si19","mapping_confidence":"confirmed","model_phase":"CA14SI19","pearson_symbol":"hR66","prototype":"Ca14Si19","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-5735e8a3#invariant","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 + CaSi = Ca14Si19","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1358.15,"temperature_printed":"1085","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"p2","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-11},"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":0.005},"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":1358.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1002/srin.197503664","first_author":"Schurmann","kind":"experimental","label":"18","paper":"doi:10.1002/srin.197503664","reference":"Schürmann E, Fünders P, Litterscheidt H. Vapor pressure of calcium above calcium–silicon and calcium–aluminum melts and also above calcium–aluminum–silicon alloys. Arch Eisenhüttenwes 1975;46:473–6.","status":"resolved","year":"1975"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":22.88,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-U64PQ4RU2Q","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":7},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1002/srin.197503664","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"stoichiometry","phase":"Ca2Si"},{"basis":"mole_fraction","composition":{"SI":0.375},"composition_source":"stoichiometry","phase":"Ca5Si3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca2Si","mapping_confidence":"confirmed","model_phase":"CA2SI_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"Ca5Si3","mapping_confidence":"confirmed","model_phase":"CA5SI3_D8L","pearson_symbol":"tI32","prototype":"Cr5B3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-62a46dd9#invariant","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 + Ca2Si = Ca5Si3","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1532.15,"temperature_printed":"1259","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"p1","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-11},"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":0.005},"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":1532.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"experimental","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-4.549,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-ZK4F77VQQI","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":18},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.6666666667},"composition_source":"stoichiometry","phase":"CaSi2"},{"basis":"mole_fraction","composition":{"SI":1.0},"composition_source":"stoichiometric_model_phase","phase":"(Si)"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"CaSi2","mapping_confidence":"confirmed","model_phase":"CASI2_C12","pearson_symbol":"hR6","prototype":"CaSi2","structure_basis":"mapped_model_phase"},{"label":"(Si)","mapping_confidence":"confirmed","model_phase":"DIAMOND_A4","pearson_symbol":"cF8","prototype":"C(diamond)","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-6913aa61#invariant","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 = CaSi2 + (Si)","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1293.15,"temperature_printed":"1020","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"e2","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-11},"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":0.005},"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":1293.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1002/srin.197503664","first_author":"Schurmann","kind":"experimental","label":"18","paper":"doi:10.1002/srin.197503664","reference":"Schürmann E, Fünders P, Litterscheidt H. Vapor pressure of calcium above calcium–silicon and calcium–aluminum melts and also above calcium–aluminum–silicon alloys. Arch Eisenhüttenwes 1975;46:473–6.","status":"resolved","year":"1975"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":3.842,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-F2FQUCD4PE","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":14},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1002/srin.197503664","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5757575758},"composition_source":"stoichiometry","phase":"Ca14Si19"},{"basis":"mole_fraction","composition":{"SI":0.6666666667},"composition_source":"stoichiometry","phase":"CaSi2"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca14Si19","mapping_confidence":"confirmed","model_phase":"CA14SI19","pearson_symbol":"hR66","prototype":"Ca14Si19","structure_basis":"mapped_model_phase"},{"label":"CaSi2","mapping_confidence":"confirmed","model_phase":"CASI2_C12","pearson_symbol":"hR6","prototype":"CaSi2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-77b27aac#invariant","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 + Ca14Si19 = CaSi2","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1306.15,"temperature_printed":"1033","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"p3","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-11},"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":0.005},"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":1306.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"experimental","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":24.018,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-U6MVAMWRG4","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":22},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5757575758},"composition_source":"stoichiometry","phase":"Ca14Si19"},{"basis":"mole_fraction","composition":{"SI":0.5714285714},"composition_source":"stoichiometry","phase":"Ca3Si4"},{"basis":"mole_fraction","composition":{"SI":0.6666666667},"composition_source":"stoichiometry","phase":"CaSi2"}],"phases":[{"label":"Ca14Si19","mapping_confidence":"confirmed","model_phase":"CA14SI19","pearson_symbol":"hR66","prototype":"Ca14Si19","structure_basis":"mapped_model_phase"},{"label":"Ca3Si4","mapping_confidence":"confirmed","model_phase":"CA3SI4","pearson_symbol":"hP42","prototype":"Ca3Si4","structure_basis":"mapped_model_phase"},{"label":"CaSi2","mapping_confidence":"confirmed","model_phase":"CASI2_C12","pearson_symbol":"hR6","prototype":"CaSi2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-a47047d7#invariant","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":"Ca14Si19 = Ca3Si4 + CaSi2","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1173.15,"temperature_approximate":true,"temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"e4","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-11},"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":0.005},"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":1173.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1002/srin.197503664","first_author":"Schurmann","kind":"experimental","label":"18","paper":"doi:10.1002/srin.197503664","reference":"Schürmann E, Fünders P, Litterscheidt H. Vapor pressure of calcium above calcium–silicon and calcium–aluminum melts and also above calcium–aluminum–silicon alloys. Arch Eisenhüttenwes 1975;46:473–6.","status":"resolved","year":"1975"}],"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":0,"fold_lso":2,"id":"ORC-RMWB534X4P","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":1},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1002/srin.197503664","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"stoichiometry","phase":"CaSi"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"CaSi","mapping_confidence":"confirmed","model_phase":"CASI_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-b0410235#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","reaction":{"printed":"L = CaSi","type":"congruent melting"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1588.15,"temperature_printed":"1315","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","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":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1588.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1002/srin.197503664","first_author":"Schurmann","kind":"experimental","label":"18","paper":"doi:10.1002/srin.197503664","reference":"Schürmann E, Fünders P, Litterscheidt H. Vapor pressure of calcium above calcium–silicon and calcium–aluminum melts and also above calcium–aluminum–silicon alloys. Arch Eisenhüttenwes 1975;46:473–6.","status":"resolved","year":"1975"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-1.549,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-KG24MI3473","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":17},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1002/srin.197503664","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.6666666667},"composition_source":"stoichiometry","phase":"CaSi2"},{"basis":"mole_fraction","composition":{"SI":1.0},"composition_source":"stoichiometric_model_phase","phase":"(Si)"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"CaSi2","mapping_confidence":"confirmed","model_phase":"CASI2_C12","pearson_symbol":"hR6","prototype":"CaSi2","structure_basis":"mapped_model_phase"},{"label":"(Si)","mapping_confidence":"confirmed","model_phase":"DIAMOND_A4","pearson_symbol":"cF8","prototype":"C(diamond)","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-b2428ce6#invariant","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 = CaSi2 + (Si)","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1296.15,"temperature_printed":"1023","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"e2","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-11},"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":0.005},"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":1296.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"experimental","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"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":0,"fold_lso":2,"id":"ORC-7PBH2HMRXD","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":2},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"stoichiometry","phase":"CaSi"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"CaSi","mapping_confidence":"confirmed","model_phase":"CASI_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-c4701572#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","reaction":{"printed":"L = CaSi","type":"congruent melting"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1593.15,"temperature_printed":"1320","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","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":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1593.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"experimental","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-5.363,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-IX2WWYFAFN","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":10},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.375},"composition_source":"stoichiometry","phase":"Ca5Si3"},{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"stoichiometry","phase":"CaSi"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca5Si3","mapping_confidence":"confirmed","model_phase":"CA5SI3_D8L","pearson_symbol":"tI32","prototype":"Cr5B3","structure_basis":"mapped_model_phase"},{"label":"CaSi","mapping_confidence":"confirmed","model_phase":"CASI_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-e30c987b#invariant","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 = Ca5Si3 + CaSi","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1503.15,"temperature_printed":"1230","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"e1","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":0.005},"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":1503.15},{"chemical_system":"CA-SI","cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"experimental","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-3.198,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-AYTXP27UWQ","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":25},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"stoichiometry","phase":"Ca2Si"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"(βCa)","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"Ca2Si","mapping_confidence":"confirmed","model_phase":"CA2SI_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r-unplaced-f0117bbd#invariant","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 = (βCa) + Ca2Si","type":"other"},"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"],"record_kind":"invariant_table","source_system":"CA-SI","system":"CA-SI","temperature_K":1068.15,"temperature_printed":"795","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"e3","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-11},"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":0.005},"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":1068.15},{"chemical_system":"CA-SI","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":0,"fold_lso":2,"id":"ORC-EQKRREZJJO","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":3},"model":"Ma359db18","observation_type":"phase_transition","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"stoichiometry","phase":"CaSi"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"CaSi","mapping_confidence":"confirmed","model_phase":"CASI_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r03#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","reaction":{"printed":"L = CaSi","type":"congruent melting"},"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":"CA-SI","system":"CA-SI","temperature_K":1553.15,"temperature_printed":"1280","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","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":[0.004448,0.004448],"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":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"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":0.005},"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":1553.15},{"chemical_system":"CA-SI","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":0,"fold_lso":2,"id":"ORC-PLTP4GHHNG","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":6},"model":"Ma359db18","observation_type":"phase_transition","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"stoichiometry","phase":"Ca2Si"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca2Si","mapping_confidence":"confirmed","model_phase":"CA2SI_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r06#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","reaction":{"printed":"L = Ca2Si","type":"congruent melting"},"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":"CA-SI","system":"CA-SI","temperature_K":1530.15,"temperature_printed":"1257","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","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-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"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":0.005},"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":1530.15},{"chemical_system":"CA-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.12,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-IDTHQJREHU","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":9},"model":"M916cea55","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"stoichiometry","phase":"Ca2Si"},{"basis":"mole_fraction","composition":{"SI":0.375},"composition_source":"stoichiometry","phase":"Ca5Si3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca2Si","mapping_confidence":"confirmed","model_phase":"CA2SI_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"Ca5Si3","mapping_confidence":"confirmed","model_phase":"CA5SI3_D8L","pearson_symbol":"tI32","prototype":"Cr5B3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r09#invariant","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 + Ca2Si = Ca5Si3","type":"other"},"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":"CA-SI","system":"CA-SI","temperature_K":1509.15,"temperature_printed":"1236","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"p1","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-11},"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":0.005},"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":1509.15},{"chemical_system":"CA-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.363,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-Y3T67CN5L7","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":11},"model":"M916cea55","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.375},"composition_source":"stoichiometry","phase":"Ca5Si3"},{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"stoichiometry","phase":"CaSi"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca5Si3","mapping_confidence":"confirmed","model_phase":"CA5SI3_D8L","pearson_symbol":"tI32","prototype":"Cr5B3","structure_basis":"mapped_model_phase"},{"label":"CaSi","mapping_confidence":"confirmed","model_phase":"CASI_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r11#invariant","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 = Ca5Si3 + CaSi","type":"other"},"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":"CA-SI","system":"CA-SI","temperature_K":1508.15,"temperature_printed":"1235","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"e1","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":0.005},"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":1508.15},{"chemical_system":"CA-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.565,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-EQ6GOSCBAI","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":13},"model":"M916cea55","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"stoichiometry","phase":"CaSi"},{"basis":"mole_fraction","composition":{"SI":0.5757575758},"composition_source":"stoichiometry","phase":"Ca14Si19"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"CaSi","mapping_confidence":"confirmed","model_phase":"CASI_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Ca14Si19","mapping_confidence":"confirmed","model_phase":"CA14SI19","pearson_symbol":"hR66","prototype":"Ca14Si19","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r13#invariant","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 + CaSi = Ca14Si19","type":"other"},"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":"CA-SI","system":"CA-SI","temperature_K":1356.15,"temperature_printed":"1083","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"p2","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-11},"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":0.005},"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":1356.15},{"chemical_system":"CA-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-1.158,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-I66BPZ5SZE","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":16},"model":"M916cea55","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5757575758},"composition_source":"stoichiometry","phase":"Ca14Si19"},{"basis":"mole_fraction","composition":{"SI":0.6666666667},"composition_source":"stoichiometry","phase":"CaSi2"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Ca14Si19","mapping_confidence":"confirmed","model_phase":"CA14SI19","pearson_symbol":"hR66","prototype":"Ca14Si19","structure_basis":"mapped_model_phase"},{"label":"CaSi2","mapping_confidence":"confirmed","model_phase":"CASI2_C12","pearson_symbol":"hR6","prototype":"CaSi2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r16#invariant","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 + Ca14Si19 = CaSi2","type":"other"},"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":"CA-SI","system":"CA-SI","temperature_K":1301.15,"temperature_printed":"1028","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"p3","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-11},"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":0.005},"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":1301.15},{"chemical_system":"CA-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.549,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-WLVM54N6QS","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":19},"model":"M916cea55","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.6666666667},"composition_source":"stoichiometry","phase":"CaSi2"},{"basis":"mole_fraction","composition":{"SI":1.0},"composition_source":"stoichiometric_model_phase","phase":"(Si)"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"CaSi2","mapping_confidence":"confirmed","model_phase":"CASI2_C12","pearson_symbol":"hR6","prototype":"CaSi2","structure_basis":"mapped_model_phase"},{"label":"(Si)","mapping_confidence":"confirmed","model_phase":"DIAMOND_A4","pearson_symbol":"cF8","prototype":"C(diamond)","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r19#invariant","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 = CaSi2 + (Si)","type":"other"},"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":"CA-SI","system":"CA-SI","temperature_K":1297.15,"temperature_printed":"1024","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"e2","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-11},"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":0.005},"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":1297.15},{"chemical_system":"CA-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":3.63,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-ZHJDQR2XSP","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":21},"model":"M916cea55","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5},"composition_source":"stoichiometry","phase":"CaSi"},{"basis":"mole_fraction","composition":{"SI":0.5757575758},"composition_source":"stoichiometry","phase":"Ca14Si19"},{"basis":"mole_fraction","composition":{"SI":0.5714285714},"composition_source":"stoichiometry","phase":"Ca3Si4"}],"phases":[{"label":"CaSi","mapping_confidence":"confirmed","model_phase":"CASI_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Ca14Si19","mapping_confidence":"confirmed","model_phase":"CA14SI19","pearson_symbol":"hR66","prototype":"Ca14Si19","structure_basis":"mapped_model_phase"},{"label":"Ca3Si4","mapping_confidence":"confirmed","model_phase":"CA3SI4","pearson_symbol":"hP42","prototype":"Ca3Si4","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r21#invariant","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":"CaSi + Ca14Si19 = Ca3Si4","type":"other"},"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":"CA-SI","system":"CA-SI","temperature_K":1210.15,"temperature_printed":"937","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"p4","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-11},"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":0.005},"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":1210.15},{"chemical_system":"CA-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":4.018,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-R2Z74FXII3","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":23},"model":"M916cea55","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.5757575758},"composition_source":"stoichiometry","phase":"Ca14Si19"},{"basis":"mole_fraction","composition":{"SI":0.5714285714},"composition_source":"stoichiometry","phase":"Ca3Si4"},{"basis":"mole_fraction","composition":{"SI":0.6666666667},"composition_source":"stoichiometry","phase":"CaSi2"}],"phases":[{"label":"Ca14Si19","mapping_confidence":"confirmed","model_phase":"CA14SI19","pearson_symbol":"hR66","prototype":"Ca14Si19","structure_basis":"mapped_model_phase"},{"label":"Ca3Si4","mapping_confidence":"confirmed","model_phase":"CA3SI4","pearson_symbol":"hP42","prototype":"Ca3Si4","structure_basis":"mapped_model_phase"},{"label":"CaSi2","mapping_confidence":"confirmed","model_phase":"CASI2_C12","pearson_symbol":"hR6","prototype":"CaSi2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r23#invariant","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":"Ca14Si19 = Ca3Si4 + CaSi2","type":"other"},"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":"CA-SI","system":"CA-SI","temperature_K":1153.15,"temperature_printed":"880","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"e4","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-11},"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":0.005},"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":1153.15},{"chemical_system":"CA-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.198,"dx":{},"model":"CaSi-03Gro.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-KU5KZK7OAL","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":26},"model":"M916cea55","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"stoichiometry","phase":"Ca2Si"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"(βCa)","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"Ca2Si","mapping_confidence":"confirmed","model_phase":"CA2SI_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r26#invariant","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 = (βCa) + Ca2Si","type":"other"},"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":"CA-SI","system":"CA-SI","temperature_K":1071.15,"temperature_printed":"798","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"e3","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-11},"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":0.005},"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":1071.15},{"chemical_system":"CA-SI","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":0,"fold_lso":2,"id":"ORC-5CTDDODGNS","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2","row":27},"model":"Ma359db18","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.intermet.2003.07.001","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","phase_compositions":[{"basis":"mole_fraction","composition":{"SI":0.3333333333},"composition_source":"stoichiometry","phase":"Ca2Si"}],"phases":[{"label":"(βCa)","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"(αCa)","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ca2Si","mapping_confidence":"confirmed","model_phase":"CA2SI_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.intermet.2003.07.001/p4/tab-2/r27#invariant","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":"(βCa) = (αCa); Ca2Si","type":"other"},"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":"CA-SI","system":"CA-SI","temperature_K":716.15,"temperature_printed":"443","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"other","transition_kind_printed":"Degenerate","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-11},"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":0.005},"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":716.15},{"chemical_system":"CA-SI","citations_printed":["30"],"cited_sources":[{"first_author":"Forest","kind":"unknown","label":"30","reference":"J. Forest, Knowledge of dicalacium silicate, Bull. La Soc. Fr. Mineral. Cristallogr. 94 (1971) 118.","status":"resolved","year":"1971"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","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_state":"proposed","second_reader":"pending","value_in_quote":true},"fold_lpo":2,"fold_lso":2,"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-VYG2ZVTKWU","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.cemconres.2023.107309/p3/text-09"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.cemconres.2023.107309","paper_id":"doi:10.1016/j.cemconres.2023.107309","pid":"doi:10.1016/j.cemconres.2023.107309/p3/text-09/s14#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 stable modification at room temperature, γ-Ca2SiO4 sometimes also called calcio-olivine, transforms to α′LCa2SiO4 at 880 ◦ C [30].","quote_page":3,"reader_agreement":"single_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"preliminary_flash","readers":["gemini-3.8-flash"],"record_kind":"running_text","source_system":"CA-SI","system":"CA-SI","temperature_K":1153.15,"temperature_printed":"880 C","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":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1153.15},{"chemical_system":"CA-SI","citations_printed":["52"],"cited_sources":[{"first_author":"Levin","kind":"unknown","label":"52","reference":"E.M. Levin, C.R. Robbins, H.F. McMurdie, A.C. Society, Phase Diagrams for Ceramists, American Ceramic Society, Columbus, Ohio, 1964.","status":"resolved","year":"1964"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":3,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_state":"proposed","second_reader":"pending","value_in_quote":true},"fold_lpo":2,"fold_lso":2,"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-TES4EG3HEV","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.cemconres.2023.107309/p8/text-52"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.cemconres.2023.107309","paper_id":"doi:10.1016/j.cemconres.2023.107309","pid":"doi:10.1016/j.cemconres.2023.107309/p8/text-52/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":"However, the melting temperature obtained is 1737 ± 5 K, which is identical to the value reported by Levin [52].","quote_page":8,"reader_agreement":"single_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"preliminary_flash","readers":["gemini-3.8-flash"],"record_kind":"running_text","source_system":"CA-SI","system":"CA-SI","temperature_K":1737.0,"temperature_printed":"1737 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":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"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":1737.0},{"chemical_system":"CA-SI","citations_printed":["3"],"cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"unknown","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":3,"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":0,"fold_lso":2,"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-5IF3R3R3QH.4dc49d","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/text-03"},"observation_type":"phase_transition","origin":{"class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","pid":"doi:10.1016/j.intermet.2003.07.001/p2/text-03/s13#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":"Three eutectics occur in this system: at about 3.5 at% Si and 795   C, 42.5 at% Si and 1230   C, 72.0 at% Si and 1020   C.","quote_page":2,"reaction":{"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":"CA-SI","system":"CA-SI","temperature_K":1293.15,"temperature_printed":"1020","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":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":0.005},"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":1293.15},{"chemical_system":"CA-SI","citations_printed":["3"],"cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"unknown","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":3,"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":0,"fold_lso":2,"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-5IF3R3R3QH.a5da6e","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/text-03"},"observation_type":"phase_transition","origin":{"class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","pid":"doi:10.1016/j.intermet.2003.07.001/p2/text-03/s13#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":"Three eutectics occur in this system: at about 3.5 at% Si and 795   C, 42.5 at% Si and 1230   C, 72.0 at% Si and 1020   C.","quote_page":2,"reaction":{"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":"CA-SI","system":"CA-SI","temperature_K":1068.15,"temperature_printed":"795","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":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":0.005},"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":1068.15},{"chemical_system":"CA-SI","citations_printed":["3"],"cited_sources":[{"doi":"10.1016/s0966-9795(99)00112-0","first_author":"Manfrinetti","kind":"unknown","label":"3","paper":"doi:10.1016/s0966-9795(99)00112-0","reference":"Manfrinetti P, Fornasini ML, Palenzona A. The phase diagram of the Ca–Si system. Intermetallics 2000;8:223–8.","status":"resolved","year":"2000"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":3,"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":0,"fold_lso":2,"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-5IF3R3R3QH.d70258","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.intermet.2003.07.001/p2/text-03"},"observation_type":"phase_transition","origin":{"class":"experimental","measured_in":"doi:10.1016/s0966-9795(99)00112-0","own_work_of_paper":false},"paper":"doi:10.1016/j.intermet.2003.07.001","paper_id":"doi:10.1016/j.intermet.2003.07.001","pid":"doi:10.1016/j.intermet.2003.07.001/p2/text-03/s13#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":"Three eutectics occur in this system: at about 3.5 at% Si and 795   C, 42.5 at% Si and 1230   C, 72.0 at% Si and 1020   C.","quote_page":2,"reaction":{"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":"CA-SI","system":"CA-SI","temperature_K":1503.15,"temperature_printed":"1230","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":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":0.005},"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":1503.15}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"CA-SI"}