{"artifacts":{"doi:10.1361/105497100770339860/p3/tab-1":{"artifact":"table","caption":"Equations for emf of cell 1 obtained by least- squares regression analysis","label":"1","page":3}},"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":{"doi:10.1361/105497100770339860":{"context_id":"context:source-doi-10-1361-105497100770339860","items":[{"applies_to":"alloys","extraction_accepted":true,"id":"ORC-G3O3QUKLRK","method":"powder x-ray diffraction (XRD)","page":1,"quote":"The lattice parameters of the alloys were measured by powder x-ray diffraction (XRD).","second_reader_agrees":true,"type":"measurement"},{"applies_to":"final alloy","extraction_accepted":false,"id":"ORC-LVXY5PSZNU","method":"chemical analysis","page":1,"quote":"The composition of the final alloy was determined by chemical analysis.","second_reader_agrees":false,"type":"measurement"},{"applies_to":"electrodes","extraction_accepted":true,"id":"ORC-ET4ZLSKJAR","method":"XRD analysis","page":2,"quote":"After each experiment, the electrodes were examined by XRD analysis.","second_reader_agrees":true,"type":"measurement"},{"calibration":"calibrated against the melting point of gold","extraction_accepted":false,"has_dropped_fields":true,"id":"ORC-GTZSPFZEXE","instrument":"Pt/Pt-13% Rh thermocouple","page":2,"quote":"The temperature was measured by a Pt/Pt-13% Rh thermocouple, calibrated against the melting point of gold.","second_reader_agrees":false,"type":"measurement"},{"applies_to":"cell","extraction_accepted":true,"has_dropped_fields":true,"id":"ORC-JRIDRQ4XEK","instrument":"digital voltmeter","page":2,"quote":"The emf of the cell was measured by a digital voltmeter with a sensitivity of 60.01 mV.","second_reader_agrees":true,"stated_uncertainty":"60.01 mV","type":"measurement"},{"extraction_accepted":true,"id":"ORC-2ROSYGQNIO","label":"reference electrode","page":1,"purity":"greater than 99.99%","quote":"Fine powders of Cu and Cu2O, each of purity greater than 99.99%, were used to prepare the reference electrode.","second_reader_agrees":true,"starting_materials":"Cu and Cu2O","type":"sample"},{"extraction_accepted":true,"id":"ORC-6YQ3GLLH7D","label":"Nine Cu-Rh alloys","page":1,"purity":"99.9%","quote":"Nine Cu-Rh alloys were made by arc melting Cu and Rh sponge of 99.9% purity on a water-cooled copper hearth under Ar gas.","second_reader_agrees":true,"starting_materials":"Cu and Rh sponge","synthesis":"arc melting Cu and Rh sponge of 99.9% purity on a water-cooled copper hearth under Ar gas","type":"sample"},{"applies_to":"cell","duration":"10 h","duration_parsed":{"hours":10.0,"printed":"10 h"},"extraction_accepted":true,"has_dropped_fields":true,"id":"ORC-QIGPUHRDPP","page":2,"purpose":"to allow the alloy electrode to sinter in situ","quote":"The cell was first heated to 1300 K and maintained at temperature for 10 h to allow the alloy electrode to sinter in situ.","second_reader_agrees":true,"temperature":{"T_K":1300.0,"converted_in_code":false,"printed":"1300 K","unit_basis":"printed_with_value","unit_printed":"K","value_printed":1300.0},"temperature_printed":"1300 K","temperature_status":"parsed_from_printed","type":"treatment"}],"paper":"doi:10.1361/105497100770339860","reader_tier":"preliminary_flash","readers":["gemini-3.8-flash / exp-context-v2.1-quote","claude-opus-5.5 / exp-context-v2.1-quote (claude broker)"],"section_basis":"methods_heading"}},"elements":["CU","RH"],"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:10.1361/105497100770339860":{"authors":["Shashank Priya","K. T. Jacob"],"citation":"Shashank Priya, K. T. Jacob, Activities and immiscibility in the system Cu-Rh, JPE 21, 342-349 (2000).","container":"JPE","doi":"10.1361/105497100770339860","doi_url":"https://doi.org/10.1361/105497100770339860","id":"doi:10.1361/105497100770339860","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"0dd6fbb2379902f4","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Activities and immiscibility in the system Cu-Rh","year":2000}},"part":1,"parts":1,"records":[{"chemical_system":"CU-RH","conditions":{"kind":"paper_context","paper":"doi:10.1361/105497100770339860"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["value_shared_by_several_compositions"],"review_state":"extracted","specification_gaps":["state:component","state:component_standard_state"],"state_fully_specified":false},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"value_shared_by_several_compositions","detail":"Each printed emf is one value for three alloys X_Rh = 0.453, 0.607, 0.741 jointly (bracketed), i.e. a two-phase (miscibility gap) state; the record's single composition {RH:0.741} is only one of the three and the phase pair is not recorded.","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-28; Claude (Studio sub-agent readers) rendered-page check, AI-assisted, not human re-review; ORCHID-TD-20261028-v1 (composition, t210)","image_sha256":"67f9e032ed4c40a0bee9c775a880320563d14476149a8a75a373db4e0dbd75b7","page":3,"pdf_sha256_prefix":"0dd6fbb2379902f4","seen":"{0.453, 0.607, 0.741} | 13.3 (1200 K) 15.0 (1225 K) 16.9 (1250 K) 18.8 (1273 K) 21.3 (1300 K) 23.8 (1325 K)","verdict":"confirmed"}}],"id":"ORC-ZVT2BMYZYB","locator":{"ref":"doi:10.1361/105497100770339860/p3/tab-1","row":7},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1361/105497100770339860","own_work_of_paper":true},"overall_composition":{"CU":0.259,"RH":0.741},"paper":"doi:10.1361/105497100770339860","paper_id":"doi:10.1361/105497100770339860","phases":[{"label":"UNKNOWN"}],"pid":"doi:10.1361/105497100770339860/p3/tab-1/r07#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"EMF","property_group":"activity / EMF / Gibbs energy","property_printed":"Emf(E)","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":"CU-RH","system":"CU-RH","temperature_K":1200.0,"temperature_basis":"printed","temperature_printed":"1200 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.665},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"unknown","entry":"value_types/EMF/classes/unknown","floor":1.0,"floor_unit":"mV","n_pairs":0,"prior_source":"orchid_assumed","value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"mV","value_type":"EMF"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"mV","unit_basis":"column_header","unit_printed":"mV","value":13.3,"value_printed":13.3},{"chemical_system":"CU-RH","conditions":{"kind":"paper_context","paper":"doi:10.1361/105497100770339860"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["value_shared_by_several_compositions"],"review_state":"extracted","specification_gaps":["state:component","state:component_standard_state"],"state_fully_specified":false},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"value_shared_by_several_compositions","detail":"Each printed emf is one value for three alloys X_Rh = 0.453, 0.607, 0.741 jointly (bracketed), i.e. a two-phase (miscibility gap) state; the record's single composition {RH:0.741} is only one of the three and the phase pair is not recorded.","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-28; Claude (Studio sub-agent readers) rendered-page check, AI-assisted, not human re-review; ORCHID-TD-20261028-v1 (composition, t210)","image_sha256":"67f9e032ed4c40a0bee9c775a880320563d14476149a8a75a373db4e0dbd75b7","page":3,"pdf_sha256_prefix":"0dd6fbb2379902f4","seen":"{0.453, 0.607, 0.741} | 13.3 (1200 K) 15.0 (1225 K) 16.9 (1250 K) 18.8 (1273 K) 21.3 (1300 K) 23.8 (1325 K)","verdict":"confirmed"}}],"id":"ORC-THN45QZSEQ","locator":{"ref":"doi:10.1361/105497100770339860/p3/tab-1","row":8},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1361/105497100770339860","own_work_of_paper":true},"overall_composition":{"CU":0.259,"RH":0.741},"paper":"doi:10.1361/105497100770339860","paper_id":"doi:10.1361/105497100770339860","phases":[{"label":"UNKNOWN"}],"pid":"doi:10.1361/105497100770339860/p3/tab-1/r08#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"EMF","property_group":"activity / EMF / Gibbs energy","property_printed":"Emf(E)","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":"CU-RH","system":"CU-RH","temperature_K":1225.0,"temperature_basis":"printed","temperature_printed":"1225 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.75},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"unknown","entry":"value_types/EMF/classes/unknown","floor":1.0,"floor_unit":"mV","n_pairs":0,"prior_source":"orchid_assumed","value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"mV","value_type":"EMF"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"mV","unit_basis":"column_header","unit_printed":"mV","value":15.0,"value_printed":15.0},{"chemical_system":"CU-RH","conditions":{"kind":"paper_context","paper":"doi:10.1361/105497100770339860"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["value_shared_by_several_compositions"],"review_state":"extracted","specification_gaps":["state:component","state:component_standard_state"],"state_fully_specified":false},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"value_shared_by_several_compositions","detail":"Each printed emf is one value for three alloys X_Rh = 0.453, 0.607, 0.741 jointly (bracketed), i.e. a two-phase (miscibility gap) state; the record's single composition {RH:0.741} is only one of the three and the phase pair is not recorded.","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-28; Claude (Studio sub-agent readers) rendered-page check, AI-assisted, not human re-review; ORCHID-TD-20261028-v1 (composition, t210)","image_sha256":"67f9e032ed4c40a0bee9c775a880320563d14476149a8a75a373db4e0dbd75b7","page":3,"pdf_sha256_prefix":"0dd6fbb2379902f4","seen":"{0.453, 0.607, 0.741} | 13.3 (1200 K) 15.0 (1225 K) 16.9 (1250 K) 18.8 (1273 K) 21.3 (1300 K) 23.8 (1325 K)","verdict":"confirmed"}}],"id":"ORC-YUY257VTVV","locator":{"ref":"doi:10.1361/105497100770339860/p3/tab-1","row":9},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1361/105497100770339860","own_work_of_paper":true},"overall_composition":{"CU":0.259,"RH":0.741},"paper":"doi:10.1361/105497100770339860","paper_id":"doi:10.1361/105497100770339860","phases":[{"label":"UNKNOWN"}],"pid":"doi:10.1361/105497100770339860/p3/tab-1/r09#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"EMF","property_group":"activity / EMF / Gibbs energy","property_printed":"Emf(E)","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":"CU-RH","system":"CU-RH","temperature_K":1250.0,"temperature_basis":"printed","temperature_printed":"1250 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.845},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"unknown","entry":"value_types/EMF/classes/unknown","floor":1.0,"floor_unit":"mV","n_pairs":0,"prior_source":"orchid_assumed","value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"mV","value_type":"EMF"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"mV","unit_basis":"column_header","unit_printed":"mV","value":16.9,"value_printed":16.9},{"chemical_system":"CU-RH","conditions":{"kind":"paper_context","paper":"doi:10.1361/105497100770339860"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["value_shared_by_several_compositions"],"review_state":"extracted","specification_gaps":["state:component","state:component_standard_state"],"state_fully_specified":false},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"value_shared_by_several_compositions","detail":"Each printed emf is one value for three alloys X_Rh = 0.453, 0.607, 0.741 jointly (bracketed), i.e. a two-phase (miscibility gap) state; the record's single composition {RH:0.741} is only one of the three and the phase pair is not recorded.","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-28; Claude (Studio sub-agent readers) rendered-page check, AI-assisted, not human re-review; ORCHID-TD-20261028-v1 (composition, t210)","image_sha256":"67f9e032ed4c40a0bee9c775a880320563d14476149a8a75a373db4e0dbd75b7","page":3,"pdf_sha256_prefix":"0dd6fbb2379902f4","seen":"{0.453, 0.607, 0.741} | 13.3 (1200 K) 15.0 (1225 K) 16.9 (1250 K) 18.8 (1273 K) 21.3 (1300 K) 23.8 (1325 K)","verdict":"confirmed"}}],"id":"ORC-P2GOYEEEYO","locator":{"ref":"doi:10.1361/105497100770339860/p3/tab-1","row":10},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1361/105497100770339860","own_work_of_paper":true},"overall_composition":{"CU":0.259,"RH":0.741},"paper":"doi:10.1361/105497100770339860","paper_id":"doi:10.1361/105497100770339860","phases":[{"label":"UNKNOWN"}],"pid":"doi:10.1361/105497100770339860/p3/tab-1/r10#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"EMF","property_group":"activity / EMF / Gibbs energy","property_printed":"Emf(E)","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":"CU-RH","system":"CU-RH","temperature_K":1273.0,"temperature_basis":"printed","temperature_printed":"1273 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.94},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"unknown","entry":"value_types/EMF/classes/unknown","floor":1.0,"floor_unit":"mV","n_pairs":0,"prior_source":"orchid_assumed","value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"mV","value_type":"EMF"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"mV","unit_basis":"column_header","unit_printed":"mV","value":18.8,"value_printed":18.8},{"chemical_system":"CU-RH","conditions":{"kind":"paper_context","paper":"doi:10.1361/105497100770339860"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["value_shared_by_several_compositions"],"review_state":"extracted","specification_gaps":["state:component","state:component_standard_state"],"state_fully_specified":false},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"value_shared_by_several_compositions","detail":"Each printed emf is one value for three alloys X_Rh = 0.453, 0.607, 0.741 jointly (bracketed), i.e. a two-phase (miscibility gap) state; the record's single composition {RH:0.741} is only one of the three and the phase pair is not recorded.","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-28; Claude (Studio sub-agent readers) rendered-page check, AI-assisted, not human re-review; ORCHID-TD-20261028-v1 (composition, t210)","image_sha256":"67f9e032ed4c40a0bee9c775a880320563d14476149a8a75a373db4e0dbd75b7","page":3,"pdf_sha256_prefix":"0dd6fbb2379902f4","seen":"{0.453, 0.607, 0.741} | 13.3 (1200 K) 15.0 (1225 K) 16.9 (1250 K) 18.8 (1273 K) 21.3 (1300 K) 23.8 (1325 K)","verdict":"confirmed"}}],"id":"ORC-Z6DBXECAEZ","locator":{"ref":"doi:10.1361/105497100770339860/p3/tab-1","row":11},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1361/105497100770339860","own_work_of_paper":true},"overall_composition":{"CU":0.259,"RH":0.741},"paper":"doi:10.1361/105497100770339860","paper_id":"doi:10.1361/105497100770339860","phases":[{"label":"UNKNOWN"}],"pid":"doi:10.1361/105497100770339860/p3/tab-1/r11#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"EMF","property_group":"activity / EMF / Gibbs energy","property_printed":"Emf(E)","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":"CU-RH","system":"CU-RH","temperature_K":1300.0,"temperature_basis":"printed","temperature_printed":"1300 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.065},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"unknown","entry":"value_types/EMF/classes/unknown","floor":1.0,"floor_unit":"mV","n_pairs":0,"prior_source":"orchid_assumed","value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"mV","value_type":"EMF"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"mV","unit_basis":"column_header","unit_printed":"mV","value":21.3,"value_printed":21.3},{"chemical_system":"CU-RH","conditions":{"kind":"paper_context","paper":"doi:10.1361/105497100770339860"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["value_shared_by_several_compositions"],"review_state":"extracted","specification_gaps":["state:component","state:component_standard_state"],"state_fully_specified":false},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"value_shared_by_several_compositions","detail":"Each printed emf is one value for three alloys X_Rh = 0.453, 0.607, 0.741 jointly (bracketed), i.e. a two-phase (miscibility gap) state; the record's single composition {RH:0.741} is only one of the three and the phase pair is not recorded.","effect":"not_espei_ready","gate":"page","visual_check":{"checked":"2026-10-28; Claude (Studio sub-agent readers) rendered-page check, AI-assisted, not human re-review; ORCHID-TD-20261028-v1 (composition, t210)","image_sha256":"67f9e032ed4c40a0bee9c775a880320563d14476149a8a75a373db4e0dbd75b7","page":3,"pdf_sha256_prefix":"0dd6fbb2379902f4","seen":"{0.453, 0.607, 0.741} | 13.3 (1200 K) 15.0 (1225 K) 16.9 (1250 K) 18.8 (1273 K) 21.3 (1300 K) 23.8 (1325 K)","verdict":"confirmed"}}],"id":"ORC-VFYQ5KVHW7","locator":{"ref":"doi:10.1361/105497100770339860/p3/tab-1","row":12},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1361/105497100770339860","own_work_of_paper":true},"overall_composition":{"CU":0.259,"RH":0.741},"paper":"doi:10.1361/105497100770339860","paper_id":"doi:10.1361/105497100770339860","phases":[{"label":"UNKNOWN"}],"pid":"doi:10.1361/105497100770339860/p3/tab-1/r12#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"EMF","property_group":"activity / EMF / Gibbs energy","property_printed":"Emf(E)","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":"CU-RH","system":"CU-RH","temperature_K":1325.0,"temperature_basis":"printed","temperature_printed":"1325 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.19},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"unknown","entry":"value_types/EMF/classes/unknown","floor":1.0,"floor_unit":"mV","n_pairs":0,"prior_source":"orchid_assumed","value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"mV","value_type":"EMF"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"mV","unit_basis":"column_header","unit_printed":"mV","value":23.8,"value_printed":23.8}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"CU-RH"}