{"artifacts":{"doi:10.1016/j.calphad.2008.07.003/p2/tab-1":{"artifact":"table","caption":"Crystal structures and formation enthalpies of the Mg–Eu compounds by first-principle calculation","label":"1","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":["EU"],"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:10.1016/0022-5088(74)90163-5":{"authors":["B.J. Beaudry","P.E. Palmer"],"citation":"B.J. Beaudry, P.E. Palmer, The lattice parameters of La, Ce, Pr, Nd, Sm, Eu and Yb, Journal of the Less Common Metals 34, 225-231 (1974).","container":"Journal of the Less Common Metals","doi":"10.1016/0022-5088(74)90163-5","doi_url":"https://doi.org/10.1016/0022-5088(74)90163-5","id":"doi:10.1016/0022-5088(74)90163-5","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"The lattice parameters of La, Ce, Pr, Nd, Sm, Eu and Yb","year":1974},"doi:10.1016/j.calphad.2004.05.002":{"authors":["Yi Wang"],"citation":"Yi Wang, Ab initio lattice stability in comparison with CALPHAD lattice stability, Calphad (2004).","container":"Calphad","doi":"10.1016/j.calphad.2004.05.002","doi_url":"https://doi.org/10.1016/j.calphad.2004.05.002","id":"doi:10.1016/j.calphad.2004.05.002","kind":"cited_work","metadata_source":"openalex/crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Ab initio lattice stability in comparison with CALPHAD lattice stability","year":2004},"doi:10.1016/j.calphad.2008.07.003":{"authors":["X.M. Tao","H. Wang","W.J. Zhu","H.S. Liu","Y.F. Ouyang","Z.P. Jin"],"citation":"X.M. Tao, H. Wang, W.J. Zhu, H.S. Liu, Y.F. Ouyang, Z.P. Jin, Thermodynamic description of the Mg–Eu binary system, Calphad 32, 462-465 (2008).","container":"Calphad","doi":"10.1016/j.calphad.2008.07.003","doi_url":"https://doi.org/10.1016/j.calphad.2008.07.003","id":"doi:10.1016/j.calphad.2008.07.003","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"659a038a8db1d481","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic description of the Mg–Eu binary system","year":2008}},"part":1,"parts":1,"records":[{"chemical_system":"EU","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"EU","before":"EU-MG","evidence":{"basis":"phase_formula","overall_composition":{"MG":0.0},"phases":["Eu"]},"field":"system","gate":"A1","rule":"system_of_the_state"},{"after":{"pearson_symbol":"cI2","phase":"Eu","prototype":"W","space_group":"Im-3m"},"before":null,"evidence":{"batch":"table_context_batch_03","doi":"10.1016/j.calphad.2008.07.003","pdf_page":2,"pdf_sha256":"659a038a8db1d481f5754f372fd4333229762245d7d94cb51ce174b88576f6aa","printed":"Eu | cI2 | Im-3m | W","rationale":"Printed table context for this group supplies pearson_symbol, prototype, space_group; shared fields only, row values, references, uncertainty, composition and conditions unchanged; no forward fill across groups and no inference from symmetry, composition or other papers.","report_id":"ORCHID-TC-20261027-v1","source_group_rows":[19,20,21],"table":"1","table_key":"t050"},"field":"structure","gate":"TC20261027","rule":"source_adjudicated_table_context","visual_check":{"checked":"2026-10-27; Claude rendered-page inspection, table-context batch 03","image_sha256":"a48c7ce5971f30f8ca822a902e97a9f7259d82379f8308a9ac553351071fc302","page":2,"pdf_sha256_prefix":"659a038a8db1d481","seen":"rows 1-3 (Present, [29], [37]); last rows","verdict":"confirmed"}}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["table_context_correction_requires_downstream_revalidation"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-IRAX5QRNEN","locator":{"ref":"doi:10.1016/j.calphad.2008.07.003/p2/tab-1","row":19},"method":"first-principle calculation","method_basis":"printed in the table row/column","observation_type":"structural_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1016/j.calphad.2008.07.003","own_work_of_paper":true},"overall_composition":{},"overall_composition_basis":"from_formula","overall_composition_stored":{"MG":0.0},"paper":"doi:10.1016/j.calphad.2008.07.003","paper_id":"doi:10.1016/j.calphad.2008.07.003","phases":[{"label":"Eu"}],"pid":"doi:10.1016/j.calphad.2008.07.003/p2/tab-1/r19#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-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"EU-MG","structure":{"pearson_symbol":"cI2","phase":"Eu","prototype":"W","space_group":"Im-3m"},"system":"EU","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K (static calculation)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":5e-05},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.04429,"sigma_method":{"basis":"prior","class":"dft","entry":"dft/priors/LATTICE_LENGTH","floor":0.01,"floor_unit":"relative (fraction of the value)","value":0.04429},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":5e-05},"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":4.4292,"value_stored":4.4292},{"chemical_system":"EU","cited_sources":[{"doi":"10.1016/j.calphad.2004.05.002","first_author":"Wang","kind":"assessment","label":"29","paper":"doi:10.1016/j.calphad.2004.05.002","reference":"Y. Wang, S. Curtarolo, C. Jiang, R. Arroyave, T. Wang, G. Ceder, L.-Q. Chen, Z.-K. Liu, CALPHAD 28 (2004) 79.","status":"resolved","year":"2004"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"EU","before":"EU-MG","evidence":{"basis":"phase_formula","overall_composition":{"MG":0.0},"phases":["Eu"]},"field":"system","gate":"A1","rule":"system_of_the_state"},{"after":{"pearson_symbol":"cI2","phase":"Eu","prototype":"W","space_group":"Im-3m"},"before":null,"evidence":{"batch":"table_context_batch_03","doi":"10.1016/j.calphad.2008.07.003","pdf_page":2,"pdf_sha256":"659a038a8db1d481f5754f372fd4333229762245d7d94cb51ce174b88576f6aa","printed":"Eu | cI2 | Im-3m | W","rationale":"Printed table context for this group supplies pearson_symbol, prototype, space_group; shared fields only, row values, references, uncertainty, composition and conditions unchanged; no forward fill across groups and no inference from symmetry, composition or other papers.","report_id":"ORCHID-TC-20261027-v1","source_group_rows":[19,20,21],"table":"1","table_key":"t050"},"field":"structure","gate":"TC20261027","rule":"source_adjudicated_table_context","visual_check":{"checked":"2026-10-27; Claude rendered-page inspection, table-context batch 03","image_sha256":"a48c7ce5971f30f8ca822a902e97a9f7259d82379f8308a9ac553351071fc302","page":2,"pdf_sha256_prefix":"659a038a8db1d481","seen":"rows 1-3 (Present, [29], [37]); last rows","verdict":"confirmed"}}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:T_K_explicit","state:computation_context","temperature not stated","table_context_correction_requires_downstream_revalidation"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-4WV3S5TAER","locator":{"ref":"doi:10.1016/j.calphad.2008.07.003/p2/tab-1","row":20},"observation_type":"structural_property","origin":{"basis":"caption_names_first_principles_only","class":"computed","own_work_of_paper":false},"overall_composition":{},"overall_composition_basis":"from_formula","overall_composition_stored":{"MG":0.0},"paper":"doi:10.1016/j.calphad.2008.07.003","paper_id":"doi:10.1016/j.calphad.2008.07.003","phases":[{"label":"Eu"}],"pid":"doi:10.1016/j.calphad.2008.07.003/p2/tab-1/r20#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-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"EU-MG","structure":{"pearson_symbol":"cI2","phase":"Eu","prototype":"W","space_group":"Im-3m"},"system":"EU","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.0005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.04429,"sigma_method":{"basis":"prior","class":"dft","entry":"dft/priors/LATTICE_LENGTH","floor":0.01,"floor_unit":"relative (fraction of the value)","value":0.04429},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"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":4.429,"value_stored":4.429},{"chemical_system":"EU","cited_sources":[{"doi":"10.1016/0022-5088(74)90163-5","first_author":"Beaudry","kind":"assessment","label":"37","paper":"doi:10.1016/0022-5088(74)90163-5","reference":"B.J. Beaudry, B.E. Palmer, J. Less-Common Met. 34 (1974) 225.","status":"resolved","year":"1974"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":"EU","before":"EU-MG","evidence":{"basis":"phase_formula","overall_composition":{"MG":0.0},"phases":["Eu"]},"field":"system","gate":"A1","rule":"system_of_the_state"},{"after":{"pearson_symbol":"cI2","phase":"Eu","prototype":"W","space_group":"Im-3m"},"before":null,"evidence":{"batch":"table_context_batch_03","doi":"10.1016/j.calphad.2008.07.003","pdf_page":2,"pdf_sha256":"659a038a8db1d481f5754f372fd4333229762245d7d94cb51ce174b88576f6aa","printed":"Eu | cI2 | Im-3m | W","rationale":"Printed table context for this group supplies pearson_symbol, prototype, space_group; shared fields only, row values, references, uncertainty, composition and conditions unchanged; no forward fill across groups and no inference from symmetry, composition or other papers.","report_id":"ORCHID-TC-20261027-v1","source_group_rows":[19,20,21],"table":"1","table_key":"t050"},"field":"structure","gate":"TC20261027","rule":"source_adjudicated_table_context","visual_check":{"checked":"2026-10-27; Claude rendered-page inspection, table-context batch 03","image_sha256":"a48c7ce5971f30f8ca822a902e97a9f7259d82379f8308a9ac553351071fc302","page":2,"pdf_sha256_prefix":"659a038a8db1d481","seen":"rows 1-3 (Present, [29], [37]); last rows","verdict":"confirmed"}}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:T_K_explicit","state:computation_context","temperature not stated","table_context_correction_requires_downstream_revalidation"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-TYUEVXFJIO","locator":{"ref":"doi:10.1016/j.calphad.2008.07.003/p2/tab-1","row":21},"observation_type":"structural_property","origin":{"basis":"caption_names_first_principles_only","class":"computed","own_work_of_paper":false},"overall_composition":{},"overall_composition_basis":"from_formula","overall_composition_stored":{"MG":0.0},"paper":"doi:10.1016/j.calphad.2008.07.003","paper_id":"doi:10.1016/j.calphad.2008.07.003","phases":[{"label":"Eu"}],"pid":"doi:10.1016/j.calphad.2008.07.003/p2/tab-1/r21#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-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"EU-MG","structure":{"pearson_symbol":"cI2","phase":"Eu","prototype":"W","space_group":"Im-3m"},"system":"EU","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":5e-05},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.04583,"sigma_method":{"basis":"prior","class":"dft","entry":"dft/priors/LATTICE_LENGTH","floor":0.01,"floor_unit":"relative (fraction of the value)","value":0.04583},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":5e-05},"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":4.5827,"value_stored":4.5827}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"EU"}