{"artifacts":{"doi:10.1016/j.calphad.2007.02.002/p3/text-06":{"artifact":"text_passage","label":"page 3, passage 6","page":3},"doi:10.1016/j.calphad.2014.09.004/p3/text-06":{"artifact":"text_passage","label":"page 3, passage 6","page":3},"sha256:d6a5cae2198aa088/p6/tab-2":{"artifact":"table","caption":"Prediction of enthalpies of formation at 298 K from first principles","label":"2","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":["CU","H"],"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/j.calphad.2007.02.002":{"authors":["Weiming Huang","Susanne M. Opalka","Da Wang","Ted B. Flanagan"],"citation":"Weiming Huang, Susanne M. Opalka, Da Wang, Ted B. Flanagan, Thermodynamic modelling of the Cu–Pd–H system, Calphad 31, 315-329 (2007).","container":"Calphad","doi":"10.1016/j.calphad.2007.02.002","doi_url":"https://doi.org/10.1016/j.calphad.2007.02.002","id":"doi:10.1016/j.calphad.2007.02.002","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"d6a5cae2198aa088","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic modelling of the Cu–Pd–H system","year":2007},"doi:10.1016/j.calphad.2014.09.004":{"authors":["Hans Magnusson","Karin Frisk"],"citation":"Hans Magnusson, Karin Frisk, Thermodynamic evaluation of the copper-rich part of the CuHOSP system at low temperatures, Calphad 47, 148-160 (2014).","container":"Calphad","doi":"10.1016/j.calphad.2014.09.004","doi_url":"https://doi.org/10.1016/j.calphad.2014.09.004","id":"doi:10.1016/j.calphad.2014.09.004","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"1259f6be8cf72634","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic evaluation of the copper-rich part of the CuHOSP system at low temperatures","year":2014}},"part":1,"parts":1,"records":[{"chemical_system":"CU-H","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"},{"after":"CU-H","before":"CU-H-PD","evidence":{"basis":"phase_formula","overall_composition":{"H":0.5,"PD":0.0},"phases":["CuH bcc"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"dft","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_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":0,"fold_lso":1,"id":"ORC-BKIFGZEOTD.5f288e","locator":{"ref":"sha256:d6a5cae2198aa088/p6/tab-2","row":2},"merged_ids":["ORC-BKIFGZEOTD.dc98ff"],"method":"first principles","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1016/j.calphad.2007.02.002","own_work_of_paper":true},"overall_composition":{"H":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"H":0.5,"PD":0.0},"paper":"doi:10.1016/j.calphad.2007.02.002","paper_id":"doi:10.1016/j.calphad.2007.02.002","phases":[{"label":"CuH bcc","label_variants":["bcc"]}],"pid":"sha256:d6a5cae2198aa088/p6/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":"ΔHformation (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":{"CU":{"phase":"printed:fcc-Cu, fcc-Pd, and 1 bar H2 gas at 298 K"},"H":{"phase":"printed:fcc-Cu, fcc-Pd, and 1 bar H2 gas at 298 K"}},"reference_state_stored":{"CU":{"phase":"printed:fcc-Cu, fcc-Pd, and 1 bar H2 gas at 298 K"},"H":{"phase":"printed:fcc-Cu, fcc-Pd, and 1 bar H2 gas at 298 K"},"PD":{"phase":"printed:fcc-Cu, fcc-Pd, and 1 bar H2 gas at 298 K"}},"source_system":"CU-H-PD","system":"CU-H","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.604},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":9.966,"sigma_method":{"basis":"calibrated","ci95":[6.939,13.23],"class":"dft","entry":"dft/literature/strata/pblock_anion","floor":9.966,"floor_unit":"kJ/mol-atom","n_pairs":123,"stratum":"literature/pblock_anion","value":9.966},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":12.08,"value_printed":12.08,"value_stored":12080.0},{"chemical_system":"CU-H","citations_printed":["34","35"],"cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"34","reference":"T.B. Massalski, H. Okamoto, P.R. Subramanian, L. Kacprzak (Eds.), Binary Alloy Phase Diagrams, 2nd ed., ASM International, Materials Park, OH, USA, 1990, pp. 1416–1417.","status":"resolved","year":"1990"},{"first_author":"Barabash","kind":"unknown","label":"35","reference":"O.M. Barabash, Yu.N. Koval, Crystal Structure of Metals and Alloys, Naukova Dumka, Kiev, 1986 (in Russian).","status":"resolved","year":"1986"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":2,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:1)","effect":"not_accepted","gate":"R3"}],"id":"ORC-N44CVZURIN","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2007.02.002/p3/text-06"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2007.02.002","paper_id":"doi:10.1016/j.calphad.2007.02.002","pid":"doi:10.1016/j.calphad.2007.02.002/p3/text-06/s12#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"The Cu-H phase diagram has a simple eutectic L = H2 + (Cu) at 1075 ◦ C with ∼0.2 at.%H in fcc and ∼0.6 at.%H in the liquid at 50 MPa, as shown in Fig. 4.","quote_page":3,"reaction":{"printed":"L = H2 + (Cu)","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"CU-H","system":"CU-H","temperature_K":1348.15,"temperature_printed":"1075 ◦ C","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1348.15},{"chemical_system":"CU-H","citations_printed":["28"],"cited_sources":[{"first_author":"Lyman","kind":"assessment","label":"28","reference":"T. Lyman (Ed.), Metals Handbook. Metallography, Structures and Phase Diagrams, vol. 8, American Society for Metals, Metals Park, Ohio, 1973.","status":"resolved","year":"1973"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":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-RWMVATUBJA","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2014.09.004/p3/text-06"},"observation_type":"phase_transition","origin":{"class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2014.09.004","paper_id":"doi:10.1016/j.calphad.2014.09.004","pid":"doi:10.1016/j.calphad.2014.09.004/p3/text-06/s12#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":"This solubility increases with temperature and reaches a maximum at the liquidus of 0.01 at% at 1357 K [28].","quote_page":3,"reaction":{"type":"other"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"CU-H","system":"CU-H","temperature_K":1357.0,"temperature_printed":"1357 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"other","transition_kind_printed":"liquidus","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1357.0}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"CU-H"}