{"artifacts":{"doi:10.1016/j.calphad.2011.09.002/p6/tab-4":{"artifact":"table","caption":"Calculated invariant equilibria in the C–RE (RE = La, Ce, Pr) systems compared with the literature data.","label":"4","page":6},"sha256:fc7d91e994add5bd/p2/tab-1":{"artifact":"table","caption":"Crystal structure data for the solid phases in the C–RE (RE = La, Ce, Pr) systems.","label":"1","page":2},"sha256:fc7d91e994add5bd/p2/tab-2":{"artifact":"table","caption":"Experimentally measured values of enthalpies of formation at 298 K for the intermetallic compounds in the C–RE (RE = La, Ce, Pr) systems.","label":"2","page":2}},"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":["C","LA"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1016/0022-1902(68)80476-2":{"authors":["R.L. Faircloth","R.H. Flowers","F.C.W. Pummery"],"citation":"R.L. Faircloth, R.H. Flowers, F.C.W. Pummery, Vaporization of some rare-earth dicarbides, Journal of Inorganic and Nuclear Chemistry 30, 499-518 (1968).","container":"Journal of Inorganic and Nuclear Chemistry","doi":"10.1016/0022-1902(68)80476-2","doi_url":"https://doi.org/10.1016/0022-1902(68)80476-2","id":"doi:10.1016/0022-1902(68)80476-2","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Vaporization of some rare-earth dicarbides","year":1968},"doi:10.1016/0022-4596(91)90338-i":{"authors":["D.W. Jones","I.J. McColm","J. Yerkess"],"citation":"D.W. Jones, I.J. McColm, J. Yerkess, Tetragonal and cubic crystal structures of some binary and ternary metal dicarbides in the series Ce-Er, Ce-Lu, U-La, and U-Ce, Journal of Solid State Chemistry 92, 301-311 (1991).","container":"Journal of Solid State Chemistry","doi":"10.1016/0022-4596(91)90338-i","doi_url":"https://doi.org/10.1016/0022-4596(91)90338-i","id":"doi:10.1016/0022-4596(91)90338-i","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Tetragonal and cubic crystal structures of some binary and ternary metal dicarbides in the series Ce-Er, Ce-Lu, U-La, and U-Ce","year":1991},"doi:10.1016/0022-5088(74)90051-4":{"authors":["Gin-Ya Adachi","Kohei Ueno","Jiro Shiokawa"],"citation":"Gin-Ya Adachi, Kohei Ueno, Jiro Shiokawa, Heats of transformation in lanthanide dicarbides and mixed lanthanide dicarbide solid solutions, Journal of the Less Common Metals 37, 313-314 (1974).","container":"Journal of the Less Common Metals","doi":"10.1016/0022-5088(74)90051-4","doi_url":"https://doi.org/10.1016/0022-5088(74)90051-4","id":"doi:10.1016/0022-5088(74)90051-4","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Heats of transformation in lanthanide dicarbides and mixed lanthanide dicarbide solid solutions","year":1974},"doi:10.1016/0925-8388(94)90783-8":{"authors":["S.V. Meschel","O.J. Kleppa"],"citation":"S.V. Meschel, O.J. Kleppa, Standard enthalpies of formation of some rare earth carbides by direct synthesis calorimetry, Journal of Alloys and Compounds 205, 165-168 (1994).","container":"Journal of Alloys and Compounds","doi":"10.1016/0925-8388(94)90783-8","doi_url":"https://doi.org/10.1016/0925-8388(94)90783-8","id":"doi:10.1016/0925-8388(94)90783-8","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Standard enthalpies of formation of some rare earth carbides by direct synthesis calorimetry","year":1994},"doi:10.1016/j.calphad.2011.09.002":{"authors":["Yingbiao Peng","Yong Du","Lijun Zhang","Chunsheng Sha","Shuhong Liu","Feng Zheng","Dongdong Zhao","Xiaoming Yuan","Li Chen"],"citation":"Yingbiao Peng, Yong Du, Lijun Zhang, Chunsheng Sha, Shuhong Liu, Feng Zheng et al., Thermodynamic modeling of the C–RE (RE=La, Ce and Pr) systems, Calphad 35, 533-541 (2011).","container":"Calphad","doi":"10.1016/j.calphad.2011.09.002","doi_url":"https://doi.org/10.1016/j.calphad.2011.09.002","id":"doi:10.1016/j.calphad.2011.09.002","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"fc7d91e994add5bd","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic modeling of the C–RE (RE=La, Ce and Pr) systems","year":2011},"doi:10.1016/s0022-3115(01)00536-0":{"authors":["R Vidhya","M.P Antony","P.R Vasudeva Rao","B Viswanathan"],"citation":"R Vidhya, M.P Antony, P.R Vasudeva Rao, B Viswanathan, Enthalpy and Gibbs energy of formation of lanthanum dicarbide, Journal of Nuclear Materials 295, 221-227 (2001).","container":"Journal of Nuclear Materials","doi":"10.1016/s0022-3115(01)00536-0","doi_url":"https://doi.org/10.1016/s0022-3115(01)00536-0","id":"doi:10.1016/s0022-3115(01)00536-0","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Enthalpy and Gibbs energy of formation of lanthanum dicarbide","year":2001},"doi:10.1063/1.1674812":{"authors":["Carl A. Stearns","Fred J. Kohl"],"citation":"Carl A. Stearns, Fred J. Kohl, Vaporization Thermodynamics of the Lanthanum Carbon System. Mass Spectrometric Determination of the Dissociation Energy of LaC2, LaC3, and LaC4, The Journal of Chemical Physics 54, 5180-5187 (1971).","container":"The Journal of Chemical Physics","doi":"10.1063/1.1674812","doi_url":"https://doi.org/10.1063/1.1674812","id":"doi:10.1063/1.1674812","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Vaporization Thermodynamics of the Lanthanum Carbon System. Mass Spectrometric Determination of the Dissociation Energy of LaC2, LaC3, and LaC4","year":1971},"doi:10.1107/s0567740868002566":{"authors":["A. L. Bowman","N. H. Krikorian","G. P. Arnold","T. C. Wallace","N. G. Nereson"],"citation":"A. L. Bowman, N. H. Krikorian, G. P. Arnold, T. C. Wallace, N. G. Nereson, The crystal structure of LaC<sub>2</sub>, Acta Crystallogr B Struct Sci 24, 459-460 (1968).","container":"Acta Crystallogr B Struct Sci","doi":"10.1107/s0567740868002566","doi_url":"https://doi.org/10.1107/s0567740868002566","id":"doi:10.1107/s0567740868002566","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"The crystal structure of LaC<sub>2</sub>","year":1968}},"part":1,"parts":1,"records":[{"chemical_system":"C-LA","cited_sources":[{"first_author":"Wang","kind":"unknown","label":"9","reference":"X. Wang, I. Loa, K. Syassen, R.K. Kremer, A. Simon, M. Hanfland, K. Ahn, Phys. Rev. B 72 (2005) 064520.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.4,"PR":0.0},"phases":["La2C3"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-KDSHUMHJ67","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-1","row":4},"observation_type":"structural_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"overall_composition":{"LA":0.4},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.4,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"La2C3"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-1/r04#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_A","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"C-CE-LA-PR","structure":{"pearson_symbol":"cI40","prototype":"Pu2C3","space_group":"I4-3D"},"system":"C-LA","temperature_K":298.15,"temperature_basis":"assumed_room_temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.01938,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.01938},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"Å","value":8.81,"value_stored":8.81},{"chemical_system":"C-LA","cited_sources":[{"doi":"10.1016/0022-4596(91)90338-i","first_author":"Jones","kind":"unknown","label":"10","paper":"doi:10.1016/0022-4596(91)90338-i","reference":"D.W. Jones, I.J. McColm, J. Yerkess, J. Solid State Chem. 92 (1991) 301–311.","status":"resolved","year":"1991"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.333333,"PR":0.0},"phases":["α LaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-KFFV5DC5EF.2d3f95","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-1","row":5},"observation_type":"structural_property","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"LA":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.333333,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"α LaC2"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-1/r05#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_C","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"C-CE-LA-PR","structure":{"pearson_symbol":"tI6","prototype":"CaC2","space_group":"I4/mmm"},"system":"C-LA","temperature_K":298.15,"temperature_basis":"assumed_room_temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.01448,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.01448},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"Å","value":6.58,"value_stored":6.58},{"chemical_system":"C-LA","cited_sources":[{"doi":"10.1016/0022-4596(91)90338-i","first_author":"Jones","kind":"unknown","label":"10","paper":"doi:10.1016/0022-4596(91)90338-i","reference":"D.W. Jones, I.J. McColm, J. Yerkess, J. Solid State Chem. 92 (1991) 301–311.","status":"resolved","year":"1991"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.333333,"PR":0.0},"phases":["α LaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-KFFV5DC5EF.bf89ce","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-1","row":5},"observation_type":"structural_property","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"LA":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.333333,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"α LaC2"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-1/r05#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_A","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"C-CE-LA-PR","structure":{"pearson_symbol":"tI6","prototype":"CaC2","space_group":"I4/mmm"},"system":"C-LA","temperature_K":298.15,"temperature_basis":"assumed_room_temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.008646,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.008646},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"Å","value":3.93,"value_stored":3.93},{"chemical_system":"C-LA","cited_sources":[{"doi":"10.1107/s0567740868002566","first_author":"Bowman","kind":"unknown","label":"11","paper":"doi:10.1107/s0567740868002566","reference":"A.L. Bowman, N.H. Krikorian, G.P. Arnold, T.C. Wallace, N.G. Nereson, Acta Crystallogr. Sect. B 24 (1968) 459–460.","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.333333,"PR":0.0},"phases":["β LaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:T_K_explicit","temperature not stated"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-XR3FBNISGJ.0407cd","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-1","row":6},"observation_type":"structural_property","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"LA":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.333333,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"β LaC2"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-1/r06#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_C","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"C-CE-LA-PR","structure":{"pearson_symbol":"cF12","prototype":"CaF2","space_group":"Fm-3m"},"system":"C-LA","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.01096,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.01096},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"Å","value":4.98,"value_stored":4.98},{"chemical_system":"C-LA","cited_sources":[{"doi":"10.1107/s0567740868002566","first_author":"Bowman","kind":"unknown","label":"11","paper":"doi:10.1107/s0567740868002566","reference":"A.L. Bowman, N.H. Krikorian, G.P. Arnold, T.C. Wallace, N.G. Nereson, Acta Crystallogr. Sect. B 24 (1968) 459–460.","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.333333,"PR":0.0},"phases":["β LaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:T_K_explicit","temperature not stated"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-XR3FBNISGJ.2b145f","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-1","row":6},"observation_type":"structural_property","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"LA":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.333333,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"β LaC2"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-1/r06#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_A","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"C-CE-LA-PR","structure":{"pearson_symbol":"cF12","prototype":"CaF2","space_group":"Fm-3m"},"system":"C-LA","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.01322,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.01322},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"Å","value":6.01,"value_stored":6.01},{"chemical_system":"C-LA","cited_sources":[{"first_author":"Anderson","kind":"unknown","label":"40","reference":"J.S. Anderson, A.N. Bagshaw, CNRS, Paris, vol. 1, 1970.","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"},{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.4,"PR":0.0},"phases":["La2C3"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-RYQY2N5FQS","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-2","row":1},"method":"emf","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"LA":0.4},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.4,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"La2C3"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-2/r01#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH (298 K)","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":{"C":{"phase":"printed:none"},"LA":{"phase":"printed:none"}},"reference_state_stored":{"C":{"phase":"printed:none"},"CE":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"PR":{"phase":"printed:none"}},"source_system":"C-CE-LA-PR","system":"C-LA","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.93},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.6,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.887042,14.818519],"class":"emf","entry":"value_types/HM_FORM/classes/emf","floor":4.6,"floor_unit":"kJ/mol-atom","n_pairs":17,"prior_source":"kubaschewski","value":4.6},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"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":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-38.6,"value_printed":-38.6,"value_stored":-38600.0},{"chemical_system":"C-LA","cited_sources":[{"doi":"10.1016/s0022-3115(01)00536-0","first_author":"Vidhya","kind":"unknown","label":"32","paper":"doi:10.1016/s0022-3115(01)00536-0","reference":"R. Vidhya, M.P. Antony, P.R. Vasudeva Rao, B. Viswanathan, J. Nucl. Mater. 295 (2001) 221–227.","status":"resolved","year":"2001"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"},{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.333333,"PR":0.0},"phases":["LaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-KHHBFCTQM4.05e5f4","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-2","row":2},"merged_ids":["ORC-KHHBFCTQM4.9911a2"],"method":"CO pressure","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":{"LA":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.333333,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"LaC2"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-2/r02#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH (298 K)","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":{"C":{"phase":"printed:none"},"LA":{"phase":"printed:none"}},"reference_state_stored":{"C":{"phase":"printed:none"},"CE":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"PR":{"phase":"printed:none"}},"source_system":"C-CE-LA-PR","system":"C-LA","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":3.4},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.1,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.991877,9.330373],"class":"experimental_unspecified","entry":"value_types/HM_FORM/classes/experimental_unspecified","floor":4.1,"floor_unit":"kJ/mol-atom","n_pairs":29,"prior_source":"kubaschewski","value":4.1},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.4},"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":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-19.5,"value_printed":-19.5,"value_stored":-19500.0},{"chemical_system":"C-LA","cited_sources":[{"doi":"10.1016/0022-1902(68)80476-2","first_author":"Faircloth","kind":"unknown","label":"33","paper":"doi:10.1016/0022-1902(68)80476-2","reference":"R.L. Faircloth, R.H. Flowers, F.C.W. Pummery, J. Inorg. Nucl. Chem. 30 (1968) 499–518.","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"},{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.333333,"PR":0.0},"phases":["LaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-6SLPF675OA","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-2","row":3},"method":"Knudsen effusion","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"LA":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.333333,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"LaC2"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-2/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH (298 K)","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":{"C":{"phase":"printed:none"},"LA":{"phase":"printed:none"}},"reference_state_stored":{"C":{"phase":"printed:none"},"CE":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"PR":{"phase":"printed:none"}},"source_system":"C-CE-LA-PR","system":"C-LA","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.325},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-26.5,"value_printed":-26.5,"value_stored":-26500.0},{"chemical_system":"C-LA","cited_sources":[{"doi":"10.1016/0925-8388(94)90783-8","first_author":"Meschel","kind":"unknown","label":"34","paper":"doi:10.1016/0925-8388(94)90783-8","reference":"S.V. Meschel, O.J. Kleppa, J. Alloys Compd. 205 (1994) 165–168.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"},{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.333333,"PR":0.0},"phases":["LaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-ZCHDPBOWWR.c67de5","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-2","row":4},"merged_ids":["ORC-ZCHDPBOWWR.de9b1c"],"method":"Calorimetry","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"LA":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.333333,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"LaC2"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-2/r04#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH (298 K)","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":{"C":{"phase":"printed:none"},"LA":{"phase":"printed:none"}},"reference_state_stored":{"C":{"phase":"printed:none"},"CE":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"PR":{"phase":"printed:none"}},"source_system":"C-CE-LA-PR","system":"C-LA","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.4},"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":1.4},"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":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-27.2,"value_printed":-27.2,"value_stored":-27200.0},{"chemical_system":"C-LA","cited_sources":[{"first_author":"Anderson","kind":"assessment","label":"35","reference":"J.S. Anderson, A.N. Bagshaw, Rev. Chim. Miner. 9 (1972) 115–138. Y. Peng et al. / CALPHAD: Computer Coupling of Phase Diagrams and Thermochemistry 35 (2011) 533–541","status":"resolved","year":"2011"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"},{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.333333,"PR":0.0},"phases":["LaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-W4XUUAX3WJ.32c0d3","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-2","row":5},"merged_ids":["ORC-W4XUUAX3WJ.af8562"],"method":"emf","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"LA":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.333333,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"LaC2"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-2/r05#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH (298 K)","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":{"C":{"phase":"printed:none"},"LA":{"phase":"printed:none"}},"reference_state_stored":{"C":{"phase":"printed:none"},"CE":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"PR":{"phase":"printed:none"}},"source_system":"C-CE-LA-PR","system":"C-LA","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":3.5},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.6,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.887042,14.818519],"class":"emf","entry":"value_types/HM_FORM/classes/emf","floor":4.6,"floor_unit":"kJ/mol-atom","n_pairs":17,"prior_source":"kubaschewski","value":4.6},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.5},"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":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-29.1,"value_printed":-29.1,"value_stored":-29100.0},{"chemical_system":"C-LA","cited_sources":[{"doi":"10.1063/1.1674812","first_author":"Stearns","kind":"unknown","label":"36","paper":"doi:10.1063/1.1674812","reference":"C.A. Stearns, F.J. Kohl, J. Chem. Phys. 54 (1971) 5180–5187.","status":"resolved","year":"1971"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"},{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.333333,"PR":0.0},"phases":["LaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-WXDYUNUKVR.54714a","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-2","row":6},"merged_ids":["ORC-WXDYUNUKVR.e5858e"],"method":"Knudsen effusion","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"LA":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.333333,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"LaC2"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-2/r06#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH (298 K)","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":{"C":{"phase":"printed:none"},"LA":{"phase":"printed:none"}},"reference_state_stored":{"C":{"phase":"printed:none"},"CE":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"PR":{"phase":"printed:none"}},"source_system":"C-CE-LA-PR","system":"C-LA","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":8.0},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.0,"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":8.0},"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":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-29.7,"value_printed":-29.7,"value_stored":-29700.0},{"chemical_system":"C-LA","cited_sources":[{"first_author":"Jackson","kind":"unknown","label":"37","reference":"D.D. Jackson, R.G. Bedford, G.W. Barton Jr., Report UCRL-7362-T (1963).","status":"resolved","year":"1963"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"},{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"phase_formula","overall_composition":{"CE":0.0,"LA":0.333333,"PR":0.0},"phases":["LaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-O47AGS3ZPY.a046ac","locator":{"ref":"sha256:fc7d91e994add5bd/p2/tab-2","row":7},"merged_ids":["ORC-O47AGS3ZPY.d6914c"],"method":"Langmuir evaporation","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":{"LA":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"CE":0.0,"LA":0.333333,"PR":0.0},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"LaC2"}],"pid":"sha256:fc7d91e994add5bd/p2/tab-2/r07#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH (298 K)","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":{"C":{"phase":"printed:none"},"LA":{"phase":"printed:none"}},"reference_state_stored":{"C":{"phase":"printed:none"},"CE":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"PR":{"phase":"printed:none"}},"source_system":"C-CE-LA-PR","system":"C-LA","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":5.3},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":5.3,"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":5.3},"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":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-50.3,"value_printed":-50.3,"value_stored":-50300.0},{"chemical_system":"C-LA","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"every_phase_determined","overall_composition":null,"phases":["(βLa)","La2C3","(αLa)"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"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,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-MV5QONST4Z","locator":{"ref":"doi:10.1016/j.calphad.2011.09.002/p6/tab-4","row":1},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2011.09.002","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"C":0.0},"composition_source":"printed","phase":"(βLa)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"C":0.581},"composition_source":"printed","phase":"La2C3"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"C":0.0},"composition_source":"printed","phase":"(αLa)"}],"phases":[{"label":"(βLa)"},{"label":"La2C3"},{"label":"(αLa)"}],"pid":"doi:10.1016/j.calphad.2011.09.002/p6/tab-4/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":"(βLa) + La2C3 <-> (αLa)"},"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":"C-CE-LA-PR","system":"C-LA","temperature_K":539.15,"temperature_printed":"266.0","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":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":539.15},{"chemical_system":"C-LA","cited_sources":[{"first_author":"Spedding","kind":"unknown","label":"3","reference":"F.H. Spedding, K. Gschneidner Jr., A.H. Daane, Trans. Am. Inst. Min. Metall. Pet. Eng. Soc. 215 (1959) 192–199.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"every_phase_determined","overall_composition":null,"phases":["(βLa)","La2C3","(αLa)"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-RLAGX25HS4","locator":{"ref":"doi:10.1016/j.calphad.2011.09.002/p6/tab-4","row":2},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"C":0.0},"composition_source":"printed","phase":"(βLa)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"C":0.558},"composition_source":"printed","phase":"La2C3"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"C":0.0},"composition_source":"printed","phase":"(αLa)"}],"phases":[{"label":"(βLa)"},{"label":"La2C3"},{"label":"(αLa)"}],"pid":"doi:10.1016/j.calphad.2011.09.002/p6/tab-4/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":"(βLa) + La2C3 <-> (αLa)"},"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":"C-CE-LA-PR","system":"C-LA","temperature_K":583.15,"temperature_uncertainty":{"basis":"printed","value":5.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":583.15},{"chemical_system":"C-LA","cited_sources":[{"doi":"10.1016/0022-5088(74)90051-4","first_author":"Adachi","kind":"unknown","label":"27","paper":"doi:10.1016/0022-5088(74)90051-4","reference":"G. Adachi, K. Ueno, J. Shiokawa, J. Less-Common. Met. 37 (1974) 313–314.","status":"resolved","year":"1974"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"every_phase_determined","overall_composition":null,"phases":["βLaC2","La2C3","αLaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-K47YLN5FVJ","locator":{"ref":"doi:10.1016/j.calphad.2011.09.002/p6/tab-4","row":8},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"βLaC2"},{"label":"La2C3"},{"label":"αLaC2"}],"pid":"doi:10.1016/j.calphad.2011.09.002/p6/tab-4/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":"βLaC2 <-> La2C3 + αLaC2"},"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":"C-CE-LA-PR","system":"C-LA","temperature_K":1354.15,"temperature_uncertainty":{"basis":"printed","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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1354.15},{"chemical_system":"C-LA","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"every_phase_determined","overall_composition":null,"phases":["βLaC2","(C)","αLaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"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,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-BVIWE3JT4Q","locator":{"ref":"doi:10.1016/j.calphad.2011.09.002/p6/tab-4","row":9},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2011.09.002","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"C":0.662},"composition_source":"printed","phase":"βLaC2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"C":1.0},"composition_source":"printed","phase":"(C)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"C":0.667},"composition_source":"printed","phase":"αLaC2"}],"phases":[{"label":"βLaC2"},{"label":"(C)"},{"label":"αLaC2"}],"pid":"doi:10.1016/j.calphad.2011.09.002/p6/tab-4/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":"βLaC2 + (C) <-> αLaC2"},"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":"C-CE-LA-PR","system":"C-LA","temperature_K":1354.95,"temperature_printed":"1081.8","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":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1354.95},{"chemical_system":"C-LA","cited_sources":[{"doi":"10.1016/0022-5088(74)90051-4","first_author":"Adachi","kind":"unknown","label":"27","paper":"doi:10.1016/0022-5088(74)90051-4","reference":"G. Adachi, K. Ueno, J. Shiokawa, J. Less-Common. Met. 37 (1974) 313–314.","status":"resolved","year":"1974"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"C-LA","before":"C-CE-LA-PR","evidence":{"basis":"every_phase_determined","overall_composition":null,"phases":["βLaC2","(C)","αLaC2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-FQNSTXL3JH","locator":{"ref":"doi:10.1016/j.calphad.2011.09.002/p6/tab-4","row":10},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2011.09.002","paper_id":"doi:10.1016/j.calphad.2011.09.002","phases":[{"label":"βLaC2"},{"label":"(C)"},{"label":"αLaC2"}],"pid":"doi:10.1016/j.calphad.2011.09.002/p6/tab-4/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":"βLaC2 + (C) <-> αLaC2"},"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":"C-CE-LA-PR","system":"C-LA","temperature_K":1354.15,"temperature_uncertainty":{"basis":"printed","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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1354.15}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"C-LA"}