{"artifacts":{"doi:10.1016/j.calphad.2009.05.001/p1/text-12":{"artifact":"text_passage","label":"page 1, passage 12","page":1},"doi:10.1016/j.calphad.2009.05.001/p5/tab-3":{"artifact":"table","caption":"Invariant reactions in the Pb–Yb System.","label":"3","page":5},"doi:10.1016/j.calphad.2009.05.001/p6/tab-4":{"artifact":"table","caption":"Calculated and measured enthalpies of formation of intermetallic compounds.","label":"4","page":6}},"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":["PB","YB"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{"M1d1a9245":{"catalog_entry":{"license":"CC BY 4.0","name":"PbYb-09Idb.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"M. Idbenali, C. Servant, N. Selhaoui, L. Bouirden, Calphad, 33, 570-75(2009).","model_doi":"10.1016/j.calphad.2009.05.001","reproduced_by_calculation":true,"tdb":"PbYb-09Idb.tdb","tdb_path":"databases/sgte-binary/PbYb-09Idb.tdb","tdb_sha256":"3e8d2d8ee78b7ae37fbbffa7fb9ef205171b8818f85d134e78093f6ecf0859ed"},"Md6c5c838":{"catalog_entry":{"license":"CC BY 4.0","name":"PbYb-09Idb.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"M. Idbenali, C. Servant, N. Selhaoui, L. Bouirden, Calphad, 33, 570-75(2009).","model_doi":"10.1016/j.calphad.2009.05.001","reproduced_by_calculation":false,"tdb":"PbYb-09Idb.tdb","tdb_path":"databases/sgte-binary/PbYb-09Idb.tdb","tdb_sha256":"3e8d2d8ee78b7ae37fbbffa7fb9ef205171b8818f85d134e78093f6ecf0859ed"},"Mdef8f463":{"catalog_entry":{"license":"CC BY 4.0","name":"PbYb-09Idb.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":"M. Idbenali, C. Servant, N. Selhaoui, L. Bouirden, Calphad, 33, 570-75(2009).","model_doi":"10.1016/j.calphad.2009.05.001","tdb":"PbYb-09Idb.tdb","tdb_path":"databases/sgte-binary/PbYb-09Idb.tdb","tdb_sha256":"3e8d2d8ee78b7ae37fbbffa7fb9ef205171b8818f85d134e78093f6ecf0859ed"}},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1016/0040-6031(73)85076-2":{"authors":["A. Palenzona","S. Cirafici"],"citation":"A. Palenzona, S. Cirafici, Dynamic differential calorimetry of intermetallic compounds, Thermochimica Acta 6, 455-460 (1973).","container":"Thermochimica Acta","doi":"10.1016/0040-6031(73)85076-2","doi_url":"https://doi.org/10.1016/0040-6031(73)85076-2","id":"doi:10.1016/0040-6031(73)85076-2","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Dynamic differential calorimetry of intermetallic compounds","year":1973},"doi:10.1016/0966-9795(94)p3682-e":{"authors":["F. Sommer","B. Predel","G. Borzone","N. Parodi","R. Ferro"],"citation":"F. Sommer, B. Predel, G. Borzone, N. Parodi, R. Ferro, Calorimetric determination of the enthalpies of formation of liquid and solid YbPb alloys, Intermetallics 3, 15-22 (1995).","container":"Intermetallics","doi":"10.1016/0966-9795(94)p3682-e","doi_url":"https://doi.org/10.1016/0966-9795(94)p3682-e","id":"doi:10.1016/0966-9795(94)p3682-e","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Calorimetric determination of the enthalpies of formation of liquid and solid YbPb alloys","year":1995},"doi:10.1016/j.calphad.2009.05.001":{"authors":["M. Idbenali","C. Servant","N. Selhaoui","L. Bouirden"],"citation":"M. Idbenali, C. Servant, N. Selhaoui, L. Bouirden, Thermodynamic description of the Pb–Yb binary system, Calphad 33, 570-575 (2009).","container":"Calphad","doi":"10.1016/j.calphad.2009.05.001","doi_url":"https://doi.org/10.1016/j.calphad.2009.05.001","id":"doi:10.1016/j.calphad.2009.05.001","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"8b36f9c0c95d7e96","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic description of the Pb–Yb binary system","year":2009},"doi:10.1021/j100216a030":{"authors":["R. A. Schiffman"],"citation":"R. A. Schiffman, Thermodynamics of the ytterbium-lead system by simultaneous weight-loss-mass-spectrometry Knudsen effusion, J. Phys. Chem. 86, 3855-3861 (1982).","container":"J. Phys. Chem.","doi":"10.1021/j100216a030","doi_url":"https://doi.org/10.1021/j100216a030","id":"doi:10.1021/j100216a030","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Thermodynamics of the ytterbium-lead system by simultaneous weight-loss-mass-spectrometry Knudsen effusion","year":1982}},"part":1,"parts":1,"records":[{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1016/0966-9795(94)p3682-e","first_author":"Sommer","kind":"unknown","label":"8","paper":"doi:10.1016/0966-9795(94)p3682-e","reference":"F. Sommer, B. Predel, G. Borzone, N. Parodi, R. Ferro, Intermetallics 15 (3) (1995) 15; Errata Intermetallics 3 (1995) 254.","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-JDT6JQDCRF.43e8e0","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":1},"merged_ids":["ORC-JDT6JQDCRF.a280f4"],"method":"Solution calorimeter","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":{"YB":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"PbYb2","model_phase":"PBYB2_C37"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":5.0},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":5.0,"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-66.0,"value_printed":-66,"value_stored":-66000.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1016/0966-9795(94)p3682-e","first_author":"Sommer","kind":"unknown","label":"8","paper":"doi:10.1016/0966-9795(94)p3682-e","reference":"F. Sommer, B. Predel, G. Borzone, N. Parodi, R. Ferro, Intermetallics 15 (3) (1995) 15; Errata Intermetallics 3 (1995) 254.","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-FCVDGDDLPW.a18db6","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":2},"merged_ids":["ORC-FCVDGDDLPW.b0447e"],"method":"Direct calorimeter","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":{"YB":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"PbYb2","model_phase":"PBYB2_C37"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":3.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-67.0,"value_printed":-67,"value_stored":-67000.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1021/j100216a030","first_author":"Schiffman","kind":"unknown","label":"7","paper":"doi:10.1021/j100216a030","reference":"R.A. Schiffman, J. Phys. Chem. 86 (1982) 3855.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-66QJVPVJUF.12a420","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":3},"merged_ids":["ORC-66QJVPVJUF.4d02aa"],"method":"Knudsen data","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":{"YB":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"PbYb2","model_phase":"PBYB2_C37"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":3.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-58.2,"value_printed":-58.2,"value_stored":-58200.0},{"chemical_system":"PB-YB","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"basis_inferred_from_magnitude":true,"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":1,"id":"ORC-3XYPNYTEMB.0d25cd","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":4},"merged_ids":["ORC-3XYPNYTEMB.f8d18d"],"method":"Optimization","method_basis":"printed in the table row/column","model":"Mdef8f463","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"overall_composition":{"YB":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"PbYb2","model_phase":"PBYB2_C37"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":2.9995},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-59.99,"value_printed":-59.99,"value_stored":-59990.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1016/0966-9795(94)p3682-e","first_author":"Sommer","kind":"unknown","label":"8","paper":"doi:10.1016/0966-9795(94)p3682-e","reference":"F. Sommer, B. Predel, G. Borzone, N. Parodi, R. Ferro, Intermetallics 15 (3) (1995) 15; Errata Intermetallics 3 (1995) 254.","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-5YSH4B5PGL.bf4e05","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":5},"merged_ids":["ORC-5YSH4B5PGL.fe8942"],"method":"Direct calorimeter","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":{"YB":0.625},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Pb3Yb5","model_phase":"PB3YB5_D88"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-55.5,"value_printed":-55.5,"value_stored":-55500.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1021/j100216a030","first_author":"Schiffman","kind":"unknown","label":"7","paper":"doi:10.1021/j100216a030","reference":"R.A. Schiffman, J. Phys. Chem. 86 (1982) 3855.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-C427N2HNNV.c7ee46","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":6},"merged_ids":["ORC-C427N2HNNV.c90028"],"method":"Knudsen data","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":{"YB":0.625},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Pb3Yb5","model_phase":"PB3YB5_D88"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.0},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-57.7,"value_printed":-57.7,"value_stored":-57700.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1016/0966-9795(94)p3682-e","first_author":"Sommer","kind":"unknown","label":"8","paper":"doi:10.1016/0966-9795(94)p3682-e","reference":"F. Sommer, B. Predel, G. Borzone, N. Parodi, R. Ferro, Intermetallics 15 (3) (1995) 15; Errata Intermetallics 3 (1995) 254.","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-Y2QOZCBBSR.6910aa","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":7},"merged_ids":["ORC-Y2QOZCBBSR.ce4937"],"method":"Direct calorimeter","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":{"YB":0.625},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Pb3Yb5","model_phase":"PB3YB5_D88"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-66.5,"value_printed":-66.5,"value_stored":-66500.0},{"chemical_system":"PB-YB","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"basis_inferred_from_magnitude":true,"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":1,"id":"ORC-NMDNJKRQH7.3b1d75","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":8},"merged_ids":["ORC-NMDNJKRQH7.a6531d"],"method":"Optimization","method_basis":"printed in the table row/column","model":"Mdef8f463","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"overall_composition":{"YB":0.625},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Pb3Yb5","model_phase":"PB3YB5_D88"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":3.401},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-68.02,"value_printed":-68.02,"value_stored":-68020.0},{"chemical_system":"PB-YB","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"basis_inferred_from_magnitude":true,"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":1,"id":"ORC-NSWPLMP2TG.5c38d5","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":9},"merged_ids":["ORC-NSWPLMP2TG.69c395"],"method":"Optimization","method_basis":"printed in the table row/column","model":"Mdef8f463","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"overall_composition":{"YB":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"αPbYb","model_phase":"PBYB_L10"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":3.1295},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-62.59,"value_printed":-62.59,"value_stored":-62590.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1016/0966-9795(94)p3682-e","first_author":"Sommer","kind":"unknown","label":"8","paper":"doi:10.1016/0966-9795(94)p3682-e","reference":"F. Sommer, B. Predel, G. Borzone, N. Parodi, R. Ferro, Intermetallics 15 (3) (1995) 15; Errata Intermetallics 3 (1995) 254.","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-KLJ64I4VTI.984716","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":10},"merged_ids":["ORC-KLJ64I4VTI.e75630"],"method":"Solution calorimeter","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":{"YB":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"βPbYb","model_phase":"PBYB_A2"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.5},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.5},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-64.0,"value_printed":-64.0,"value_stored":-64000.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1016/0966-9795(94)p3682-e","first_author":"Sommer","kind":"unknown","label":"8","paper":"doi:10.1016/0966-9795(94)p3682-e","reference":"F. Sommer, B. Predel, G. Borzone, N. Parodi, R. Ferro, Intermetallics 15 (3) (1995) 15; Errata Intermetallics 3 (1995) 254.","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-QESHRCBJY6.34a202","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":11},"merged_ids":["ORC-QESHRCBJY6.d4a0d7"],"method":"Direct calorimeter","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":{"YB":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"βPbYb","model_phase":"PBYB_A2"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/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":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-65.0,"value_printed":-65,"value_stored":-65000.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1021/j100216a030","first_author":"Schiffman","kind":"unknown","label":"7","paper":"doi:10.1021/j100216a030","reference":"R.A. Schiffman, J. Phys. Chem. 86 (1982) 3855.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-5ESVYXLKIK.4d736d","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":12},"merged_ids":["ORC-5ESVYXLKIK.df07c5"],"method":"Knudsen data","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":{"YB":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"βPbYb","model_phase":"PBYB_A2"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/r12#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.0},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-57.0,"value_printed":-57.0,"value_stored":-57000.0},{"chemical_system":"PB-YB","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"basis_inferred_from_magnitude":true,"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":1,"id":"ORC-VSMPRSU7KL.07f5e9","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":13},"merged_ids":["ORC-VSMPRSU7KL.9c7888"],"method":"Optimization","method_basis":"printed in the table row/column","model":"Mdef8f463","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"overall_composition":{"YB":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"βPbYb","model_phase":"PBYB_A2"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/r13#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":3.108},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-62.16,"value_printed":-62.16,"value_stored":-62160.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1016/0966-9795(94)p3682-e","first_author":"Sommer","kind":"unknown","label":"8","paper":"doi:10.1016/0966-9795(94)p3682-e","reference":"F. Sommer, B. Predel, G. Borzone, N. Parodi, R. Ferro, Intermetallics 15 (3) (1995) 15; Errata Intermetallics 3 (1995) 254.","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-33TO4ZJH4T.5a97bf","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":14},"merged_ids":["ORC-33TO4ZJH4T.729905"],"method":"Solution calorimeter","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":{"YB":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Pb3Yb","model_phase":"PB3YB_L12"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/r14#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":3.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-38.5,"value_printed":-38.5,"value_stored":-38500.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1016/0966-9795(94)p3682-e","first_author":"Sommer","kind":"unknown","label":"8","paper":"doi:10.1016/0966-9795(94)p3682-e","reference":"F. Sommer, B. Predel, G. Borzone, N. Parodi, R. Ferro, Intermetallics 15 (3) (1995) 15; Errata Intermetallics 3 (1995) 254.","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-47OJSMFTDT.9e9bb7","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":15},"merged_ids":["ORC-47OJSMFTDT.e1840a"],"method":"Direct calorimeter","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":{"YB":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Pb3Yb","model_phase":"PB3YB_L12"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/r15#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.0},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-39.0,"value_printed":-39.0,"value_stored":-39000.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1021/j100216a030","first_author":"Schiffman","kind":"unknown","label":"7","paper":"doi:10.1021/j100216a030","reference":"R.A. Schiffman, J. Phys. Chem. 86 (1982) 3855.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-VVJLDFPSO2.7569fb","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":16},"merged_ids":["ORC-VVJLDFPSO2.c2b58c"],"method":"Knudsen data","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":{"YB":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Pb3Yb","model_phase":"PB3YB_L12"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/r16#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.0},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-38.1,"value_printed":-38.1,"value_stored":-38100.0},{"chemical_system":"PB-YB","cited_sources":[{"doi":"10.1016/0040-6031(73)85076-2","first_author":"Palenzona","kind":"unknown","label":"9","paper":"doi:10.1016/0040-6031(73)85076-2","reference":"A. Palenzona, S. Cirafici, Thermochim. Acta 6 (1973) 55.","status":"resolved","year":"1973"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"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":1,"fold_lso":1,"id":"ORC-J4OJD7ZKXZ.d553ee","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":17},"merged_ids":["ORC-J4OJD7ZKXZ.fdd900"],"method":"Dynamic differential calorimeter data","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":{"YB":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Pb3Yb","model_phase":"PB3YB_L12"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/r17#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-37.0,"value_printed":-37,"value_stored":-37000.0},{"chemical_system":"PB-YB","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"basis_inferred_from_magnitude":true,"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":1,"id":"ORC-A3SKXSCHZM.1b570c","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4","row":18},"merged_ids":["ORC-A3SKXSCHZM.fe53e4"],"method":"Optimization","method_basis":"printed in the table row/column","model":"Mdef8f463","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"overall_composition":{"YB":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Pb3Yb","model_phase":"PB3YB_L12"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p6/tab-4/r18#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":{"PB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"},"YB":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"PB-YB","system":"PB-YB","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.648},"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":"magnitude_heuristic","unit_printed":"kJ/mol","unit_stored":"J/mol-atom","value":-32.96,"value_printed":-32.96,"value_stored":-32960.0},{"chemical_system":"PB-YB","cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"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":1,"fold_lso":1,"id":"ORC-OHVQSWO7QV","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":1},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.75,"YB":0.25},"composition_source":"stoichiometric_model_phase","phase":"Pb3Yb"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"(Pb)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Pb3Yb","model_phase":"PB3YB_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r01#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔ (Pb)+Pb3Yb"},"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":"PB-YB","system":"PB-YB","temperature_K":602.0,"temperature_printed":"602","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":602.0},{"chemical_system":"PB-YB","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":1,"fold_lso":1,"id":"ORC-3UNGNU7RMO","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":2},"model":"M1d1a9245","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.75,"YB":0.25},"composition_source":"stoichiometric_model_phase","phase":"Pb3Yb"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"(Pb)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Pb3Yb","model_phase":"PB3YB_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r02#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔ (Pb)+Pb3Yb"},"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":"PB-YB","system":"PB-YB","temperature_K":606.3,"temperature_printed":"606.3","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":606.3},{"chemical_system":"PB-YB","cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"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":1,"fold_lso":1,"id":"ORC-RKZCPOORST","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.75,"YB":0.25},"composition_source":"congruent_same_composition","phase":"Liq"},{"basis":"mole_fraction","composition":{"PB":0.75,"YB":0.25},"composition_source":"stoichiometric_model_phase","phase":"Pb3Yb"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"Pb3Yb","model_phase":"PB3YB_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r03#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔Pb3Yb","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"PB-YB","system":"PB-YB","temperature_K":1013.0,"temperature_printed":"1013","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1013.0},{"chemical_system":"PB-YB","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":1,"fold_lso":1,"id":"ORC-FWPPEIXP7G","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":4},"model":"Md6c5c838","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.75,"YB":0.25},"composition_source":"congruent_same_composition","phase":"Liq"},{"basis":"mole_fraction","composition":{"PB":0.75,"YB":0.25},"composition_source":"stoichiometric_model_phase","phase":"Pb3Yb"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"Pb3Yb","model_phase":"PB3YB_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r04#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔Pb3Yb","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"PB-YB","system":"PB-YB","temperature_K":1015.0,"temperature_printed":"1015","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1015.0},{"chemical_system":"PB-YB","cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"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":1,"fold_lso":1,"id":"ORC-RH2IZRLRUY","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":5},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.75,"YB":0.25},"composition_source":"stoichiometric_model_phase","phase":"Pb3Yb"},{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"formula_nominal","phase":"βPbYb"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"Pb3Yb","model_phase":"PB3YB_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"},{"label":"βPbYb","model_phase":"PBYB_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r05#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔Pb3Yb+ βPbYb"},"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":"PB-YB","system":"PB-YB","temperature_K":990.0,"temperature_printed":"990","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":990.0},{"chemical_system":"PB-YB","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":1,"fold_lso":1,"id":"ORC-U4LM2OHN7P","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":6},"model":"M1d1a9245","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.75,"YB":0.25},"composition_source":"stoichiometric_model_phase","phase":"Pb3Yb"},{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"formula_nominal","phase":"βPbYb"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"Pb3Yb","model_phase":"PB3YB_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"},{"label":"βPbYb","model_phase":"PBYB_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r06#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔Pb3Yb+ βPbYb"},"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":"PB-YB","system":"PB-YB","temperature_K":984.1,"temperature_printed":"984.1","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":984.1},{"chemical_system":"PB-YB","cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"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":1,"fold_lso":1,"id":"ORC-GXZVDSF5UC","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":7},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"congruent_same_composition","phase":"Liq"},{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"formula_nominal","phase":"βPbYb"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"βPbYb","model_phase":"PBYB_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r07#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔βPbYb","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"PB-YB","system":"PB-YB","temperature_K":1389.0,"temperature_printed":"1389","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1389.0},{"chemical_system":"PB-YB","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":1,"fold_lso":1,"id":"ORC-OOBSC6CXNE","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":8},"model":"Md6c5c838","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"congruent_same_composition","phase":"Liq"},{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"formula_nominal","phase":"βPbYb"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"βPbYb","model_phase":"PBYB_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r08#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔βPbYb","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"PB-YB","system":"PB-YB","temperature_K":1391.0,"temperature_printed":"1391","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"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":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1391.0},{"chemical_system":"PB-YB","cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"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":1,"fold_lso":1,"id":"ORC-5TE7RU7ONE","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":9},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"formula_nominal","phase":"αPbYb"},{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"formula_nominal","phase":"βPbYb"}],"phases":[{"label":"αPbYb","model_phase":"PBYB_L10","pearson_symbol":"tP4","prototype":"AuCu","structure_basis":"mapped_model_phase"},{"label":"βPbYb","model_phase":"PBYB_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r09#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"αPbYb βPbYb"},"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":"PB-YB","system":"PB-YB","temperature_K":778.0,"temperature_printed":"778","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":778.0},{"chemical_system":"PB-YB","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":1,"fold_lso":1,"id":"ORC-ENYAQDABCS","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":10},"model":"Md6c5c838","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"formula_nominal","phase":"αPbYb"},{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"formula_nominal","phase":"βPbYb"}],"phases":[{"label":"αPbYb","model_phase":"PBYB_L10","pearson_symbol":"tP4","prototype":"AuCu","structure_basis":"mapped_model_phase"},{"label":"βPbYb","model_phase":"PBYB_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r10#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"αPbYb βPbYb"},"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":"PB-YB","system":"PB-YB","temperature_K":773.6,"temperature_printed":"773.6","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"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":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":773.6},{"chemical_system":"PB-YB","cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"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":1,"fold_lso":1,"id":"ORC-NFPWTFPMIV","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":11},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.375,"YB":0.625},"composition_source":"stoichiometric_model_phase","phase":"Pb3Yb5"},{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"formula_nominal","phase":"βPbYb"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"Pb3Yb5","model_phase":"PB3YB5_D88","pearson_symbol":"hP16","prototype":"Mn5Si3","structure_basis":"mapped_model_phase"},{"label":"βPbYb","model_phase":"PBYB_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r11#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔Pb3Yb5 + βPbYb"},"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":"PB-YB","system":"PB-YB","temperature_K":1359.0,"temperature_printed":"1359","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1359.0},{"chemical_system":"PB-YB","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":1,"fold_lso":1,"id":"ORC-LQUPZU2XRQ","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":12},"model":"M1d1a9245","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.375,"YB":0.625},"composition_source":"stoichiometric_model_phase","phase":"Pb3Yb5"},{"basis":"mole_fraction","composition":{"PB":0.5,"YB":0.5},"composition_source":"formula_nominal","phase":"βPbYb"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"Pb3Yb5","model_phase":"PB3YB5_D88","pearson_symbol":"hP16","prototype":"Mn5Si3","structure_basis":"mapped_model_phase"},{"label":"βPbYb","model_phase":"PBYB_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r12#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔Pb3Yb5 + βPbYb"},"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":"PB-YB","system":"PB-YB","temperature_K":1360.0,"temperature_printed":"1360","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1360.0},{"chemical_system":"PB-YB","cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"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":1,"fold_lso":1,"id":"ORC-B3JXCERDKH","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":13},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.333333,"YB":0.666667},"composition_source":"stoichiometric_model_phase","phase":"PbYb2"},{"basis":"mole_fraction","composition":{"PB":0.375,"YB":0.625},"composition_source":"stoichiometric_model_phase","phase":"Pb3Yb5"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"PbYb2","model_phase":"PBYB2_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"Pb3Yb5","model_phase":"PB3YB5_D88","pearson_symbol":"hP16","prototype":"Mn5Si3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r13#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq + PbYb2 Pb3Yb5"},"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":"PB-YB","system":"PB-YB","temperature_K":1423.0,"temperature_printed":"1423","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1423.0},{"chemical_system":"PB-YB","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":1,"fold_lso":1,"id":"ORC-QSH5V2AS5R","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":14},"model":"M1d1a9245","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.333333,"YB":0.666667},"composition_source":"stoichiometric_model_phase","phase":"PbYb2"},{"basis":"mole_fraction","composition":{"PB":0.375,"YB":0.625},"composition_source":"stoichiometric_model_phase","phase":"Pb3Yb5"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"PbYb2","model_phase":"PBYB2_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"Pb3Yb5","model_phase":"PB3YB5_D88","pearson_symbol":"hP16","prototype":"Mn5Si3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r14#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq + PbYb2 Pb3Yb5"},"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":"PB-YB","system":"PB-YB","temperature_K":1423.0,"temperature_printed":"1423","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1423.0},{"chemical_system":"PB-YB","cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"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":1,"fold_lso":1,"id":"ORC-LBY34H2LOI","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":15},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.333333,"YB":0.666667},"composition_source":"congruent_same_composition","phase":"Liq"},{"basis":"mole_fraction","composition":{"PB":0.333333,"YB":0.666667},"composition_source":"stoichiometric_model_phase","phase":"PbYb2"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"PbYb2","model_phase":"PBYB2_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r15#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔PbYb2","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"PB-YB","system":"PB-YB","temperature_K":1519.0,"temperature_printed":"1519","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1519.0},{"chemical_system":"PB-YB","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":1,"fold_lso":1,"id":"ORC-N7UENZX762","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":16},"model":"Md6c5c838","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.333333,"YB":0.666667},"composition_source":"congruent_same_composition","phase":"Liq"},{"basis":"mole_fraction","composition":{"PB":0.333333,"YB":0.666667},"composition_source":"stoichiometric_model_phase","phase":"PbYb2"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"PbYb2","model_phase":"PBYB2_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r16#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔PbYb2","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"PB-YB","system":"PB-YB","temperature_K":1518.0,"temperature_printed":"1518","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1518.0},{"chemical_system":"PB-YB","cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"FCC_A1","before":"BCC_A2","evidence":{"label":"(βYb)","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"element_polymorph_contradicts_model"}],"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":1,"fold_lso":1,"id":"ORC-ROHAWONEUA","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":17},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.333333,"YB":0.666667},"composition_source":"stoichiometric_model_phase","phase":"PbYb2"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"(βYb)","model_phase":"FCC_A1","model_phase_basis":"terminal_model_from_sublattices_and_polymorph","model_phase_rejected":{"model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"element_polymorph_contradicts_model"},"pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"PbYb2","model_phase":"PBYB2_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r17#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔ (βYb)+ PbYb2"},"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":"PB-YB","system":"PB-YB","temperature_K":1042.0,"temperature_printed":"1042","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1042.0},{"chemical_system":"PB-YB","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"FCC_A1","before":"BCC_A2","evidence":{"label":"(βYb)","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"element_polymorph_contradicts_model"}],"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":1,"fold_lso":1,"id":"ORC-IDGBBUA6DF","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":18},"model":"Md6c5c838","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phase_compositions":[{"basis":"mole_fraction","composition":{"PB":0.333333,"YB":0.666667},"composition_source":"stoichiometric_model_phase","phase":"PbYb2"}],"phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"(βYb)","model_phase":"FCC_A1","model_phase_basis":"terminal_model_from_sublattices_and_polymorph","model_phase_rejected":{"model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"element_polymorph_contradicts_model"},"pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"PbYb2","model_phase":"PBYB2_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r18#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq ↔ (βYb)+ PbYb2"},"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":"PB-YB","system":"PB-YB","temperature_K":1044.0,"temperature_printed":"1044","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1044.0},{"chemical_system":"PB-YB","cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":["Liq","(βYb)","(γYb)"],"before":["Liq","(βYb)"],"evidence":{"added":["(γYb)"],"printed":"Liq + (βYb) ↔ (γYb)"},"field":"phases","gate":"R3I","rule":"phases_from_printed_reaction"},{"after":"FCC_A1","before":"BCC_A2","evidence":{"label":"(βYb)","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"element_polymorph_contradicts_model"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["phases_added_from_printed_reaction"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"gate_failures":[{"code":"phases_added_from_printed_reaction","detail":"phases ['(γYb)'] read from the printed reaction; not mapped to model phases","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-SPHG5FX447","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":19},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"(βYb)","model_phase":"FCC_A1","model_phase_basis":"terminal_model_from_sublattices_and_polymorph","model_phase_rejected":{"model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"element_polymorph_contradicts_model"},"pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"(γYb)","label_source":"printed_reaction"}],"phases_stored":[{"label":"Liq","model_phase":"LIQUID"},{"label":"(βYb)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r19#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq + (βYb) ↔ (γYb)"},"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":"PB-YB","system":"PB-YB","temperature_K":1060.0,"temperature_printed":"1060","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1060.0},{"chemical_system":"PB-YB","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":["Liq","(βYb)","(γYb)"],"before":["Liq","(βYb)"],"evidence":{"added":["(γYb)"],"printed":"Liq + (βYb) ↔ (γYb)"},"field":"phases","gate":"R3I","rule":"phases_from_printed_reaction"},{"after":"FCC_A1","before":"BCC_A2","evidence":{"label":"(βYb)","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"element_polymorph_contradicts_model"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["phases_added_from_printed_reaction"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"gate_failures":[{"code":"phases_added_from_printed_reaction","detail":"phases ['(γYb)'] read from the printed reaction; not mapped to model phases","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-CTDZEPWAYM","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3","row":20},"model":"Md6c5c838","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","phases":[{"label":"Liq","model_phase":"LIQUID"},{"label":"(βYb)","model_phase":"FCC_A1","model_phase_basis":"terminal_model_from_sublattices_and_polymorph","model_phase_rejected":{"model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"element_polymorph_contradicts_model"},"pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"(γYb)","label_source":"printed_reaction"}],"phases_stored":[{"label":"Liq","model_phase":"LIQUID"},{"label":"(βYb)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W"}],"pid":"doi:10.1016/j.calphad.2009.05.001/p5/tab-3/r20#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq + (βYb) ↔ (γYb)"},"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":"PB-YB","system":"PB-YB","temperature_K":1058.0,"temperature_printed":"1058","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1058.0},{"chemical_system":"PB-YB","citations_printed":["4"],"cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":1,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (compounds_in_quote:4)","effect":"not_accepted","gate":"R3"}],"id":"ORC-AYUOJ65ZQX.2d84a6","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p1/text-12"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","pid":"doi:10.1016/j.calphad.2009.05.001/p1/text-12/s06#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":"Four intermetallic compounds were described: Pb3 Yb, PbYb and PbYb2 , which melt congruently at 1013 K, 1383 K and 1519 K, respectively; while Pb3 Yb5 is a compound formed by a peritectic reaction at 1423 K (Fig. 1).","quote_page":1,"reaction":{"type":"congruent transformation"},"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":"PB-YB","system":"PB-YB","temperature_K":1519.0,"temperature_printed":"1519 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"congruent transformation","transition_kind_printed":"congruent","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":1519.0},{"chemical_system":"PB-YB","citations_printed":["4"],"cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":1,"fold_lso":1,"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-AYUOJ65ZQX.55b421","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p1/text-12"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","pid":"doi:10.1016/j.calphad.2009.05.001/p1/text-12/s06#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":"Four intermetallic compounds were described: Pb3 Yb, PbYb and PbYb2 , which melt congruently at 1013 K, 1383 K and 1519 K, respectively; while Pb3 Yb5 is a compound formed by a peritectic reaction at 1423 K (Fig. 1).","quote_page":1,"reaction":{"type":"peritectic"},"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":"PB-YB","system":"PB-YB","temperature_K":1423.0,"temperature_printed":"1423 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"peritectic","transition_kind_printed":"peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1423.0},{"chemical_system":"PB-YB","citations_printed":["4"],"cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":1,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (compounds_in_quote:4)","effect":"not_accepted","gate":"R3"}],"id":"ORC-AYUOJ65ZQX.999dab","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p1/text-12"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","pid":"doi:10.1016/j.calphad.2009.05.001/p1/text-12/s06#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":"Four intermetallic compounds were described: Pb3 Yb, PbYb and PbYb2 , which melt congruently at 1013 K, 1383 K and 1519 K, respectively; while Pb3 Yb5 is a compound formed by a peritectic reaction at 1423 K (Fig. 1).","quote_page":1,"reaction":{"type":"congruent transformation"},"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":"PB-YB","system":"PB-YB","temperature_K":1013.0,"temperature_printed":"1013 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"congruent transformation","transition_kind_printed":"congruent","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":1013.0},{"chemical_system":"PB-YB","citations_printed":["4"],"cited_sources":[{"kind":"unknown","label":"4","reference":"O.D McMasters, K.A Gschneidner Jr., Trans. Metall. Soc. AIME 239 (1967) 781.","status":"resolved","year":"1967"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":1,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (compounds_in_quote:4)","effect":"not_accepted","gate":"R3"}],"id":"ORC-AYUOJ65ZQX.d5043d","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p1/text-12"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","pid":"doi:10.1016/j.calphad.2009.05.001/p1/text-12/s06#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":"Four intermetallic compounds were described: Pb3 Yb, PbYb and PbYb2 , which melt congruently at 1013 K, 1383 K and 1519 K, respectively; while Pb3 Yb5 is a compound formed by a peritectic reaction at 1423 K (Fig. 1).","quote_page":1,"reaction":{"type":"congruent transformation"},"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":"PB-YB","system":"PB-YB","temperature_K":1383.0,"temperature_printed":"1383 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"congruent transformation","transition_kind_printed":"congruent","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":1383.0},{"chemical_system":"PB-YB","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.calphad.2009.05.001"},"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":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":1,"fold_lso":1,"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-7WO357PETU","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2009.05.001/p1/text-12"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"experimental","measured_in":"doi:10.1016/j.calphad.2009.05.001","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2009.05.001","paper_id":"doi:10.1016/j.calphad.2009.05.001","pid":"doi:10.1016/j.calphad.2009.05.001/p1/text-12/s10#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"In addition, a polymorphic transformation was reported for the PbYb compound around 773 K and the crystal structure of the high temperature modification was determined.","quote_page":1,"reaction":{"type":"polymorphic"},"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":"PB-YB","system":"PB-YB","temperature_K":773.0,"temperature_printed":"773 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"polymorphic","transition_kind_printed":"polymorphic","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":773.0}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"PB-YB"}