{"artifacts":{"doi:10.1361/15477030522464/p1/text-08":{"artifact":"text_passage","label":"page 1, passage 8","page":1},"doi:10.1361/15477030522464/p3/tab-2":{"artifact":"table","caption":"Comparison of the experimental and calculated data for the Hf-V binary system assuming a stoichiometric C15-Laves phase","label":"2","page":3},"doi:10.1361/15477030522464/p3/tab-3":{"artifact":"table","caption":"Comparison of the experimental and calculated data for the Hf-V binary system assuming a C15-Laves phase with a composition range","label":"3","page":3},"sha256:e52c7ae6449f57cb/p2/tab-1":{"artifact":"table","caption":"Thermodynamic data predicted by de Boer et al. (Ref 25) by using the method of Miedema et al. (Ref 26) and optimized data in the present work","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":["HF","V"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{"M019f8e34":{"catalog_entry":{"license":"CC BY 4.0","name":"HfV-05Ser.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"C. Servant, J. Phase Equilib. Diffus., 26, 39-49(2005).","model_doi":"10.1361/15477030522464","reproduced_by_calculation":false,"tdb":"HfV-05Ser.tdb","tdb_path":"databases/sgte-binary/HfV-05Ser.tdb","tdb_sha256":"5eb8c7c45b64d39e5506d60ca92a8105b8ab1252eeccf8f392652a2363f392fc"},"M119b7d7e":{"catalog_entry":{"license":"CC BY 4.0","name":"HfV-05Ser.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"C. Servant, J. Phase Equilib. Diffus., 26, 39-49(2005).","model_doi":"10.1361/15477030522464","reproduced_by_calculation":true,"tdb":"HfV-05Ser.tdb","tdb_path":"databases/sgte-binary/HfV-05Ser.tdb","tdb_sha256":"5eb8c7c45b64d39e5506d60ca92a8105b8ab1252eeccf8f392652a2363f392fc"}},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1016/0022-5088(68)90003-9":{"authors":["E. Rudy","St. Windisch"],"citation":"E. Rudy, St. Windisch, The phase diagrams hafnium-vanadium and hafnium-chromium, Journal of the Less Common Metals 15, 13-27 (1968).","container":"Journal of the Less Common Metals","doi":"10.1016/0022-5088(68)90003-9","doi_url":"https://doi.org/10.1016/0022-5088(68)90003-9","id":"doi:10.1016/0022-5088(68)90003-9","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"The phase diagrams hafnium-vanadium and hafnium-chromium","year":1968},"doi:10.1361/15477030522464":{"authors":["C. Servant"],"citation":"C. Servant, Thermodynamic Assessments of the Phase Diagrams of the Hafnium-Vanadium and Vanadium-Zirconium Systems, Journal of Phase Equilibria &amp; Diffusion 26, 39-49 (2005).","container":"Journal of Phase Equilibria &amp; Diffusion","doi":"10.1361/15477030522464","doi_url":"https://doi.org/10.1361/15477030522464","id":"doi:10.1361/15477030522464","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"e52c7ae6449f57cb","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic Assessments of the Phase Diagrams of the Hafnium-Vanadium and Vanadium-Zirconium Systems","year":2005},"ref:384967a8b08dde81":{"citation":"J.F. Smith, Hf-V (Hafnium-Vanadium), Binary Alloy Phase Diagrams, Vol 3, 2nd ed., T.B. Massalski, Ed., ASM International, 1990, p 2121-2124","id":"ref:384967a8b08dde81","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"],"year":1990}},"part":1,"parts":1,"records":[{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"HF-V","before":"HF-V-ZR","evidence":{"basis":"printed_overall_composition","overall_composition":{"HF":0.5,"V":0.5,"ZR":0.0},"phases":["Laves"]},"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","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-7BVLHTVAN2.1e70f9","locator":{"ref":"sha256:e52c7ae6449f57cb/p2/tab-1","row":2},"merged_ids":["ORC-7BVLHTVAN2.d63baa"],"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"equilibrium_property","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1361/15477030522464","own_work_of_paper":true},"overall_composition":{"HF":0.5,"V":0.5},"overall_composition_stored":{"HF":0.5,"V":0.5,"ZR":0.0},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"Laves","label_variants":["Laves phase"]}],"pid":"sha256:e52c7ae6449f57cb/p2/tab-1/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":"ΔHformationH Laves phase","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":{"HF":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"V":{"phase":"printed:bcc_A2 V and cph_A3 Hf"}},"reference_state_stored":{"HF":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"V":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"ZR":{"phase":"printed:bcc_A2 V and cph_A3 Hf"}},"source_system":"HF-V-ZR","system":"HF-V","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25°C (298.15 K)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.1672},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"kJ/mol","unit_stored":"J/mol (basis unstated)","value":-3.344,"value_printed":-3.344,"value_stored":-3344.0},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"HF-V","before":"HF-V-ZR","evidence":{"basis":"printed_overall_composition","overall_composition":{"HF":0.5,"V":0.5,"ZR":0.0},"phases":["liquid"]},"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,"gate_failures":["liquid_below_physical_minimum"],"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":2,"gate_failures":[{"code":"liquid_below_physical_minimum","detail":"liquid-bearing value at 298.15 K, below 851.2 K (binary subsystems (lowest V-ZR) and element melting points)","effect":"not_espei_ready","gate":"G1","visual_check":{"checked":"2026-10-23","image_sha256":"47f330ef0b63e6779fea6fe1f7d720759fcc18d351e4d5b8259d4632d8584a41","page":2,"pdf_sha256_prefix":"e52c7ae6449f57cb","seen":"Table 1 header: 'ΔH_melting 0.5 M1-0.5 M2 liquid phase (kJ/mol) at 25°C (298.15 K)' (Miedema/optimized liquid mixing enthalpy at 298.15 K, as printed). Row Hf-V, bcc_A2 V/cph_A3 Hf -5.528/-4.420. Note: binary Hf-V, stored system HF-V-ZR.","verdict":"as_stored"}}],"id":"ORC-7BVLHTVAN2.638e87","locator":{"ref":"sha256:e52c7ae6449f57cb/p2/tab-1","row":2},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"equilibrium_property","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1361/15477030522464","own_work_of_paper":true},"overall_composition":{"HF":0.5,"V":0.5},"overall_composition_stored":{"HF":0.5,"V":0.5,"ZR":0.0},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"liquid"}],"pid":"sha256:e52c7ae6449f57cb/p2/tab-1/r02#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔHmelting","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":{"HF":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"V":{"phase":"printed:bcc_A2 V and cph_A3 Hf"}},"reference_state_stored":{"HF":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"V":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"ZR":{"phase":"printed:bcc_A2 V and cph_A3 Hf"}},"source_system":"HF-V-ZR","system":"HF-V","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25°C (298.15 K)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.2764},"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":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"assumed_per_mole_of_atoms","unit_printed":"kJ/mol","unit_stored":"J/mol (basis unstated)","value":-5.528,"value_printed":-5.528,"value_stored":-5528.0},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"HF-V","before":"HF-V-ZR","evidence":{"basis":"printed_overall_composition","overall_composition":{"HF":0.5,"V":0.5,"ZR":0.0},"phases":["Laves phase"]},"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","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-HH4D75SPXZ.3f50c8","locator":{"ref":"sha256:e52c7ae6449f57cb/p2/tab-1","row":3},"merged_ids":["ORC-HH4D75SPXZ.e04d8e"],"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"equilibrium_property","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1361/15477030522464","own_work_of_paper":true},"overall_composition":{"HF":0.5,"V":0.5},"overall_composition_stored":{"HF":0.5,"V":0.5,"ZR":0.0},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"Laves phase","label_variants":["Laves"]}],"pid":"sha256:e52c7ae6449f57cb/p2/tab-1/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":"ΔHformation","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":{"HF":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"V":{"phase":"printed:bcc_A2 V and cph_A3 Hf"}},"reference_state_stored":{"HF":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"V":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"ZR":{"phase":"printed:bcc_A2 V and cph_A3 Hf"}},"source_system":"HF-V-ZR","system":"HF-V","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25°C (298.15 K)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.175},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"kJ/mol","unit_stored":"J/mol (basis unstated)","value":-3.5,"value_printed":-3.5,"value_stored":-3500.0},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"HF-V","before":"HF-V-ZR","evidence":{"basis":"printed_overall_composition","overall_composition":{"HF":0.5,"V":0.5,"ZR":0.0},"phases":["liquid"]},"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,"gate_failures":["liquid_below_physical_minimum"],"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":2,"gate_failures":[{"code":"liquid_below_physical_minimum","detail":"liquid-bearing value at 298.15 K, below 851.2 K (binary subsystems (lowest V-ZR) and element melting points)","effect":"not_espei_ready","gate":"G1","visual_check":{"checked":"2026-10-23","image_sha256":"47f330ef0b63e6779fea6fe1f7d720759fcc18d351e4d5b8259d4632d8584a41","page":2,"pdf_sha256_prefix":"e52c7ae6449f57cb","seen":"Table 1 header: 'ΔH_melting 0.5 M1-0.5 M2 liquid phase (kJ/mol) at 25°C (298.15 K)' (Miedema/optimized liquid mixing enthalpy at 298.15 K, as printed). Row Hf-V, bcc_A2 V/cph_A3 Hf -5.528/-4.420. Note: binary Hf-V, stored system HF-V-ZR.","verdict":"as_stored"}}],"id":"ORC-HH4D75SPXZ.614cc1","locator":{"ref":"sha256:e52c7ae6449f57cb/p2/tab-1","row":3},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"equilibrium_property","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1361/15477030522464","own_work_of_paper":true},"overall_composition":{"HF":0.5,"V":0.5},"overall_composition_stored":{"HF":0.5,"V":0.5,"ZR":0.0},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"liquid"}],"pid":"sha256:e52c7ae6449f57cb/p2/tab-1/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔHmelting","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":{"HF":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"V":{"phase":"printed:bcc_A2 V and cph_A3 Hf"}},"reference_state_stored":{"HF":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"V":{"phase":"printed:bcc_A2 V and cph_A3 Hf"},"ZR":{"phase":"printed:bcc_A2 V and cph_A3 Hf"}},"source_system":"HF-V-ZR","system":"HF-V","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25°C (298.15 K)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.221},"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":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"assumed_per_mole_of_atoms","unit_printed":"kJ/mol","unit_stored":"J/mol (basis unstated)","value":-4.42,"value_printed":-4.42,"value_stored":-4420.0},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"HF-V","before":"HF-V-ZR","evidence":{"basis":"printed_overall_composition","overall_composition":{"HF":0.5,"V":0.5,"ZR":0.0},"phases":["Laves"]},"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","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-FNPVDX2U5V.040967","locator":{"ref":"sha256:e52c7ae6449f57cb/p2/tab-1","row":4},"merged_ids":["ORC-FNPVDX2U5V.8b8bc0"],"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"equilibrium_property","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1361/15477030522464","own_work_of_paper":true},"overall_composition":{"HF":0.5,"V":0.5},"overall_composition_stored":{"HF":0.5,"V":0.5,"ZR":0.0},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"Laves","label_variants":["Laves phase"]}],"pid":"sha256:e52c7ae6449f57cb/p2/tab-1/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":"ΔHformationH Laves phase","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":{"HF":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"V":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"}},"reference_state_stored":{"HF":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"V":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"ZR":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"}},"source_system":"HF-V-ZR","system":"HF-V","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25°C (298.15 K)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.1602},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"kJ/mol","unit_stored":"J/mol (basis unstated)","value":-3.204,"value_printed":-3.204,"value_stored":-3204.0},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"HF-V","before":"HF-V-ZR","evidence":{"basis":"printed_overall_composition","overall_composition":{"HF":0.5,"V":0.5,"ZR":0.0},"phases":["liquid"]},"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,"gate_failures":["liquid_below_physical_minimum"],"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":2,"gate_failures":[{"code":"liquid_below_physical_minimum","detail":"liquid-bearing value at 298.15 K, below 851.2 K (binary subsystems (lowest V-ZR) and element melting points)","effect":"not_espei_ready","gate":"G1","visual_check":{"checked":"2026-10-23","image_sha256":"47f330ef0b63e6779fea6fe1f7d720759fcc18d351e4d5b8259d4632d8584a41","page":2,"pdf_sha256_prefix":"e52c7ae6449f57cb","seen":"Table 1 header: 'ΔH_melting 0.5 M1-0.5 M2 liquid phase (kJ/mol) at 25°C (298.15 K)' (Miedema/optimized liquid mixing enthalpy at 298.15 K, as printed). Row Hf-V, fcc_A1 V/bcc_A2 Hf -4.670/-4.692. Note: binary Hf-V, stored system HF-V-ZR.","verdict":"as_stored"}}],"id":"ORC-FNPVDX2U5V.d81635","locator":{"ref":"sha256:e52c7ae6449f57cb/p2/tab-1","row":4},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"equilibrium_property","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1361/15477030522464","own_work_of_paper":true},"overall_composition":{"HF":0.5,"V":0.5},"overall_composition_stored":{"HF":0.5,"V":0.5,"ZR":0.0},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"liquid"}],"pid":"sha256:e52c7ae6449f57cb/p2/tab-1/r04#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔHmelting","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":{"HF":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"V":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"}},"reference_state_stored":{"HF":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"V":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"ZR":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"}},"source_system":"HF-V-ZR","system":"HF-V","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25°C (298.15 K)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.2335},"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":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"assumed_per_mole_of_atoms","unit_printed":"kJ/mol","unit_stored":"J/mol (basis unstated)","value":-4.67,"value_printed":-4.67,"value_stored":-4670.0},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"HF-V","before":"HF-V-ZR","evidence":{"basis":"printed_overall_composition","overall_composition":{"HF":0.5,"V":0.5,"ZR":0.0},"phases":["Laves phase"]},"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","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-NKIM2CP5YX.6c0590","locator":{"ref":"sha256:e52c7ae6449f57cb/p2/tab-1","row":5},"merged_ids":["ORC-NKIM2CP5YX.fa427c"],"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"equilibrium_property","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1361/15477030522464","own_work_of_paper":true},"overall_composition":{"HF":0.5,"V":0.5},"overall_composition_stored":{"HF":0.5,"V":0.5,"ZR":0.0},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"Laves phase","label_variants":["Laves"]}],"pid":"sha256:e52c7ae6449f57cb/p2/tab-1/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":"ΔHformation","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":{"HF":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"V":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"}},"reference_state_stored":{"HF":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"V":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"ZR":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"}},"source_system":"HF-V-ZR","system":"HF-V","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25°C (298.15 K)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.14065},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"kJ/mol","unit_stored":"J/mol (basis unstated)","value":-2.813,"value_printed":-2.813,"value_stored":-2813.0},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"HF-V","before":"HF-V-ZR","evidence":{"basis":"printed_overall_composition","overall_composition":{"HF":0.5,"V":0.5,"ZR":0.0},"phases":["liquid"]},"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,"gate_failures":["liquid_below_physical_minimum"],"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":2,"gate_failures":[{"code":"liquid_below_physical_minimum","detail":"liquid-bearing value at 298.15 K, below 851.2 K (binary subsystems (lowest V-ZR) and element melting points)","effect":"not_espei_ready","gate":"G1","visual_check":{"checked":"2026-10-23","image_sha256":"47f330ef0b63e6779fea6fe1f7d720759fcc18d351e4d5b8259d4632d8584a41","page":2,"pdf_sha256_prefix":"e52c7ae6449f57cb","seen":"Table 1 header: 'ΔH_melting 0.5 M1-0.5 M2 liquid phase (kJ/mol) at 25°C (298.15 K)' (Miedema/optimized liquid mixing enthalpy at 298.15 K, as printed). Row Hf-V, fcc_A1 V/bcc_A2 Hf -4.670/-4.692. Note: binary Hf-V, stored system HF-V-ZR.","verdict":"as_stored"}}],"id":"ORC-NKIM2CP5YX.975a96","locator":{"ref":"sha256:e52c7ae6449f57cb/p2/tab-1","row":5},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"equilibrium_property","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1361/15477030522464","own_work_of_paper":true},"overall_composition":{"HF":0.5,"V":0.5},"overall_composition_stored":{"HF":0.5,"V":0.5,"ZR":0.0},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"liquid"}],"pid":"sha256:e52c7ae6449f57cb/p2/tab-1/r05#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔHmelting","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":{"HF":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"V":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"}},"reference_state_stored":{"HF":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"V":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"},"ZR":{"phase":"printed:fcc_A1 V and bcc_A2 Hf"}},"source_system":"HF-V-ZR","system":"HF-V","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25°C (298.15 K)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.2346},"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":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"assumed_per_mole_of_atoms","unit_printed":"kJ/mol","unit_stored":"J/mol (basis unstated)","value":-4.692,"value_printed":-4.692,"value_stored":-4692.0},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-3.375,"dx":{},"model":"HfV-05Ser.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-LV434AGVKP","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":6},"merged_ids":["ORC-WIMYFXPHHT"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-0856e9ee#invariant"],"model":"M119b7d7e","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r-unplaced-0856e9ee#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1804.15,"temperature_printed":"1531","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":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":1804.15},{"chemical_system":"HF-V","cited_sources":[{"doi":"10.1016/0022-5088(68)90003-9","first_author":"Rudy","kind":"unknown","label":"16","paper":"doi:10.1016/0022-5088(68)90003-9","reference":"E. Rudy and S. Windisch, The Phase Diagrams HafniumVanadium and Hafnium-Chromium, J. Less-Common Met., Vol 15, 1968, p 13-27","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"disagrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-81.375,"dx":{},"model":"HfV-05Ser.tdb","result":"fail","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-NPQGJJSIY3","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":11},"merged_ids":["ORC-SJJF4HHP4W"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-5491c0f1#invariant"],"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(68)90003-9","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r-unplaced-5491c0f1#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"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-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1726.15,"temperature_printed":"1453","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":1726.15},{"chemical_system":"HF-V","cited_sources":[{"doi":"10.1016/0022-5088(68)90003-9","first_author":"Rudy","kind":"unknown","label":"16","paper":"doi:10.1016/0022-5088(68)90003-9","reference":"E. Rudy and S. Windisch, The Phase Diagrams HafniumVanadium and Hafnium-Chromium, J. Less-Common Met., Vol 15, 1968, p 13-27","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"review_state":"proposed","row_state":"awaiting_reader","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-I6GUIWL7IE","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":27},"merged_ids":["ORC-QSJMMMS7SJ"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-64b1f62a#invariant"],"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(68)90003-9","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"cph_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r-unplaced-64b1f62a#invariant","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":"bcc_A2 -> C15-Laves + cph_A3","type":"eutectoid"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1466.15,"temperature_printed":"1193","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"eutectoid","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":1466.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-1.375,"dx":{},"model":"HfV-05Ser.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"proposed","row_state":"awaiting_reader","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-GZB7KAEHAC","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":20},"merged_ids":["ORC-VBQQK2RVMA"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-97ea3849#invariant"],"model":"M119b7d7e","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r-unplaced-97ea3849#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1806.15,"temperature_printed":"1533","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":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":1806.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.967,"dx":{},"model":"HfV-05Ser.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"proposed","row_state":"awaiting_reader","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-CHCV4NOZML","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":24},"merged_ids":["ORC-YP65KW6PEZ"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-bfec04c6#invariant"],"model":"M119b7d7e","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"Liq","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r-unplaced-bfec04c6#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1732.15,"temperature_printed":"1459","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic reaction","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1732.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"disagrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-76.375,"dx":{},"model":"HfV-05Ser.tdb","result":"fail","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-CJRPIXGBRC","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":10},"merged_ids":["ORC-RE3QBNP3HT"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-dbbd5c5a#invariant"],"model":"M119b7d7e","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r-unplaced-dbbd5c5a#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1731.15,"temperature_printed":"1458","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":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":1731.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"review_state":"proposed","row_state":"awaiting_reader","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-5UMH7F7PTF","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":26},"merged_ids":["ORC-SU4NOZBUG6"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-eedf917b#invariant"],"model":"M019f8e34","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"cph_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r-unplaced-eedf917b#invariant","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":"bcc_A2 -> C15-Laves + cph_A3","type":"eutectoid"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1477.15,"temperature_printed":"1204","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1477.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"review_state":"proposed","row_state":"awaiting_reader","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-7AUDEEOP5P","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":17},"merged_ids":["ORC-C7MTROBF65"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-9f628b21#transition"],"model":"M019f8e34","observation_type":"phase_transition","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r02#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","reaction":{"printed":"L <-> C15-Laves","type":"congruent melting"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","text_layer"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1802.15,"temperature_printed":"1529","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent melting","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":0.005},"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":1802.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-6.375,"dx":{},"model":"HfV-05Ser.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"proposed","row_state":"awaiting_reader","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-V7PMMLCVP4","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":19},"merged_ids":["ORC-K4SRTCE7QS"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-ec933e53#invariant"],"model":"M119b7d7e","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r04#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","text_layer"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1801.15,"temperature_printed":"1528","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":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":1801.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-3.967,"dx":{},"model":"HfV-05Ser.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"proposed","row_state":"awaiting_reader","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-EM3RLRF6TF","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":23},"merged_ids":["ORC-DO3WP76S3H"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-9ae87587#invariant"],"model":"M119b7d7e","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"Liq","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r05#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liq -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","text_layer"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1729.15,"temperature_printed":"1456","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic reaction","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1729.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"review_state":"proposed","row_state":"awaiting_reader","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-N2DU5YVUCM","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-2","row":25},"merged_ids":["ORC-AN2V47YQYB"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-3/r-unplaced-e8edb8df#invariant"],"model":"M019f8e34","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"cph_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-2/r06#invariant","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":"bcc_A2 -> C15-Laves + cph_A3","type":"eutectoid"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","text_layer"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1483.15,"temperature_printed":"1210","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1483.15},{"chemical_system":"HF-V","cited_sources":[{"first_author":"Smith","kind":"assessment","label":"17","reference":"J.F. Smith, Hf-V (Hafnium-Vanadium), Binary Alloy Phase Diagrams, Vol 3, 2nd ed., T.B. Massalski, Ed., ASM International, 1990, p 2121-2124","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-2IX5X7Y3EI","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":16},"merged_ids":["ORC-K7MJYFPDQV"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-09698692#invariant"],"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:384967a8b08dde81","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"cph_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-09698692#invariant","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":"bcc_A2 -> C15-Laves + cph_A3","type":"eutectoid"},"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-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1463.15,"temperature_printed":"1190","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"eutectoid","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":1463.15},{"chemical_system":"HF-V","cited_sources":[{"first_author":"Smith","kind":"assessment","label":"17","reference":"J.F. Smith, Hf-V (Hafnium-Vanadium), Binary Alloy Phase Diagrams, Vol 3, 2nd ed., T.B. Massalski, Ed., ASM International, 1990, p 2121-2124","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-ERC4LMJTDP","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":4},"merged_ids":["ORC-H23BSZXNIQ"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-2281a540#transition"],"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:384967a8b08dde81","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"C15 Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-2281a540#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","reaction":{"printed":"L -> C15 Laves","type":"congruent melting"},"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-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1823.15,"temperature_printed":"1550","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"congruent melting","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1823.15},{"chemical_system":"HF-V","cited_sources":[{"doi":"10.1016/0022-5088(68)90003-9","first_author":"Rudy","kind":"unknown","label":"16","paper":"doi:10.1016/0022-5088(68)90003-9","reference":"E. Rudy and S. Windisch, The Phase Diagrams HafniumVanadium and Hafnium-Chromium, J. Less-Common Met., Vol 15, 1968, p 13-27","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-14.375,"dx":{},"model":"HfV-05Ser.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-3G73AJRGW2","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":7},"merged_ids":["ORC-7CP2RI4NUA"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-2e04144f#invariant"],"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(68)90003-9","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-2e04144f#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1793.15,"temperature_printed":"1520","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":1793.15},{"chemical_system":"HF-V","cited_sources":[{"first_author":"Smith","kind":"assessment","label":"17","reference":"J.F. Smith, Hf-V (Hafnium-Vanadium), Binary Alloy Phase Diagrams, Vol 3, 2nd ed., T.B. Massalski, Ed., ASM International, 1990, p 2121-2124","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-14.375,"dx":{},"model":"HfV-05Ser.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-HRCGT35BXK","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":8},"merged_ids":["ORC-NM5YZ354F6"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-3f128f8d#invariant"],"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:384967a8b08dde81","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-3f128f8d#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1793.15,"temperature_printed":"1520","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":1793.15},{"chemical_system":"HF-V","cited_sources":[{"doi":"10.1016/0022-5088(68)90003-9","first_author":"Rudy","kind":"unknown","label":"16","paper":"doi:10.1016/0022-5088(68)90003-9","reference":"E. Rudy and S. Windisch, The Phase Diagrams HafniumVanadium and Hafnium-Chromium, J. Less-Common Met., Vol 15, 1968, p 13-27","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-QJFT5ZQRXW","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":3},"merged_ids":["ORC-VEZPP3YMT6"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-43d0ef3b#transition"],"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(68)90003-9","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"C15 Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-43d0ef3b#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","reaction":{"printed":"L -> C15 Laves","type":"congruent melting"},"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-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1825.15,"temperature_printed":"1552","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"congruent melting","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1825.15},{"chemical_system":"HF-V","cited_sources":[{"first_author":"Smith","kind":"assessment","label":"17","reference":"J.F. Smith, Hf-V (Hafnium-Vanadium), Binary Alloy Phase Diagrams, Vol 3, 2nd ed., T.B. Massalski, Ed., ASM International, 1990, p 2121-2124","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"disagrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-78.375,"dx":{},"model":"HfV-05Ser.tdb","result":"fail","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-FPTWLCXDMG","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":12},"merged_ids":["ORC-IXAT7NGGYJ"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-49487aa0#invariant"],"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:384967a8b08dde81","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-49487aa0#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"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-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1729.15,"temperature_printed":"1456","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":1729.15},{"chemical_system":"HF-V","cited_sources":[{"doi":"10.1016/0022-5088(68)90003-9","first_author":"Rudy","kind":"unknown","label":"16","paper":"doi:10.1016/0022-5088(68)90003-9","reference":"E. Rudy and S. Windisch, The Phase Diagrams HafniumVanadium and Hafnium-Chromium, J. Less-Common Met., Vol 15, 1968, p 13-27","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-ULYMJRGWAE","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":15},"merged_ids":["ORC-ZPLFRUQVCL"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-6d0ce55b#invariant"],"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(68)90003-9","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"cph_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-6d0ce55b#invariant","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":"bcc_A2 -> C15-Laves + cph_A3","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":2266.15,"temperature_printed":"1993","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"eutectoid","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":2266.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-L3XCVYIOSY","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":2},"merged_ids":["ORC-YW2ORNFE5K"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-7227ba88#transition"],"model":"M019f8e34","observation_type":"phase_transition","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"C15 Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-7227ba88#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","reaction":{"printed":"L -> C15 Laves","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1805.65,"temperature_printed":"1532.5","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"congruent melting","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":0.005},"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":1805.65},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-H4HY336G33","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":14},"merged_ids":["ORC-TNUOJIR5HG"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-7e6ca9f8#invariant"],"model":"M119b7d7e","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"cph_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-7e6ca9f8#invariant","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":"bcc_A2 -> C15-Laves + cph_A3","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1473.15,"temperature_printed":"1200","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1473.15},{"chemical_system":"HF-V","cited_sources":[{"doi":"10.1016/0022-5088(68)90003-9","first_author":"Rudy","kind":"unknown","label":"16","paper":"doi:10.1016/0022-5088(68)90003-9","reference":"E. Rudy and S. Windisch, The Phase Diagrams HafniumVanadium and Hafnium-Chromium, J. Less-Common Met., Vol 15, 1968, p 13-27","status":"resolved","year":"1968"},{"first_author":"Smith","kind":"assessment","label":"17","reference":"J.F. Smith, Hf-V (Hafnium-Vanadium), Binary Alloy Phase Diagrams, Vol 3, 2nd ed., T.B. Massalski, Ed., ASM International, 1990, p 2121-2124","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-14.375,"dx":{},"model":"HfV-05Ser.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"proposed","row_state":"awaiting_reader","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-763S7SNILT","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":21},"merged_ids":["ORC-K5IKHXIWA4","ORC-NBX7ZQPL6V","ORC-ZHAM4C6ZON"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-bb243eec#invariant","doi:10.1361/15477030522464/p3/tab-2/r-unplaced-bebb5835#invariant","doi:10.1361/15477030522464/p3/tab-3/r-unplaced-bb243eec#invariant"],"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(68)90003-9","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-bebb5835#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1793.15,"temperature_printed":"1520","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":1793.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"review_state":"proposed","row_state":"awaiting_reader","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-MQS5AUNCUG","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":18},"merged_ids":["ORC-Q77NGN7WYP"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-d81805d8#transition"],"model":"M019f8e34","observation_type":"phase_transition","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r-unplaced-d81805d8#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","reaction":{"printed":"L <-> C15-Laves","type":"congruent melting"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1807.15,"temperature_printed":"1534","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent melting","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":0.005},"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":1807.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-4IK4OX7EUJ","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":1},"merged_ids":["ORC-MOXFTHKBI2"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-f10c6f97#transition"],"model":"M019f8e34","observation_type":"phase_transition","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"C15 Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r01#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","reaction":{"printed":"L -> C15 Laves","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1809.15,"temperature_printed":"1536","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"congruent melting","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":0.005},"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":1809.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":0.625,"dx":{},"model":"HfV-05Ser.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-BDLVB33T7V","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":5},"merged_ids":["ORC-VLYRL7SJR2"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-2fc514eb#invariant"],"model":"M119b7d7e","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r03#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1808.15,"temperature_printed":"1535","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":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":1808.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"disagrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-74.375,"dx":{},"model":"HfV-05Ser.tdb","result":"fail","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-CGT2S2IPDK","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":9},"merged_ids":["ORC-U3U2DDK7XT"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-27344d8b#invariant"],"model":"M119b7d7e","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r05#invariant","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":"L -> bcc_A2 + C15-Laves","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1733.15,"temperature_printed":"1460","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","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":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":1733.15},{"chemical_system":"HF-V","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":2,"id":"ORC-KVRKMVZQUP","locator":{"ref":"doi:10.1361/15477030522464/p3/tab-3","row":13},"merged_ids":["ORC-KYYZH5WJ6E"],"merged_pids":["doi:10.1361/15477030522464/p3/tab-2/r-unplaced-6e46b92e#invariant"],"model":"M119b7d7e","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1361/15477030522464","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","phases":[{"label":"bcc_A2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"C15-Laves","mapping_confidence":"confirmed","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"cph_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1361/15477030522464/p3/tab-3/r06#invariant","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":"bcc_A2 -> C15-Laves + cph_A3","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"HF-V","system":"HF-V","temperature_K":1466.15,"temperature_printed":"1193","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1466.15},{"chemical_system":"HF-V","citations_printed":["Ref 17"],"cited_sources":[{"first_author":"Smith","kind":"assessment","label":"17","reference":"J.F. Smith, Hf-V (Hafnium-Vanadium), Binary Alloy Phase Diagrams, Vol 3, 2nd ed., T.B. Massalski, Ed., ASM International, 1990, p 2121-2124","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (compounds_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-TU4TT2VK2J.65f1ba","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1361/15477030522464/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"model_value","measured_in":"ref:384967a8b08dde81","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","pid":"doi:10.1361/15477030522464/p1/text-08/s02#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":"The C15-Laves phase melts congruently at a temperature of 1552 °C (Ref 16) and 1550 °C (Ref 17), and has a homogeneity range.","quote_page":1,"reaction":{"type":"congruent transformation"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"HF-V","system":"HF-V","temperature_K":1823.15,"temperature_printed":"1550 °C","tool_release":"release v2 + tools dev copy record build","transition_kind":"congruent transformation","transition_kind_printed":"congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":0.005},"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":1823.15},{"chemical_system":"HF-V","citations_printed":["Ref 16"],"cited_sources":[{"first_author":"Rudy","kind":"unknown","label":"16","reference":"E. Rudy and S. Windisch, The Phase Diagrams HafniumVanadium and Hafnium-Chromium, J. Less-Common Met., Vol 15, 1968, p 13-27","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (compounds_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-TU4TT2VK2J.d8f83a","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1361/15477030522464/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"experimental","measured_in":"doi:10.1016/0022-5088(68)90003-9","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","pid":"doi:10.1361/15477030522464/p1/text-08/s02#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":"The C15-Laves phase melts congruently at a temperature of 1552 °C (Ref 16) and 1550 °C (Ref 17), and has a homogeneity range.","quote_page":1,"reaction":{"type":"congruent transformation"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"HF-V","system":"HF-V","temperature_K":1825.15,"temperature_printed":"1552 °C","tool_release":"release v2 + tools dev copy record build","transition_kind":"congruent transformation","transition_kind_printed":"congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1825.15},{"chemical_system":"HF-V","citations_printed":["Ref 18"],"cited_sources":[{"first_author":"Komjathy","kind":"unknown","label":"18","reference":"S. Komjathy, The Constitution of Some Vanadium Base Binary and Ternary Systems and the Ageing Characteristics of Selected Ternary Alloys, J. Less-Common Met., Vol 3, 1961, p 468-488","status":"resolved","year":"1961"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":2,"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-UTY24JICXO","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1361/15477030522464/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","pid":"doi:10.1361/15477030522464/p1/text-08/s03#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":"On the other hand, according to Komjathy (Ref 18), its melting point is higher (2173 °C) and the phase is stoichiometric.","quote_page":1,"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":"HF-V","system":"HF-V","temperature_K":2446.15,"temperature_printed":"2173 °C","tool_release":"release v2 + tools dev copy record build","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":2446.15},{"chemical_system":"HF-V","citations_printed":["Ref 20"],"cited_sources":[{"first_author":"Cunnigham","kind":"unknown","label":"20","reference":"G. W. Cunnigham, Nuclear Poisons, React. Mater., Vol 6, 1963, p 63-66","status":"resolved","year":"1963"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-PYAR7UG346.045a2e","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1361/15477030522464/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","pid":"doi:10.1361/15477030522464/p1/text-08/s05#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":"Conflicting information is provided in Ref 19 and 20, studies in which the Laves phase formation was reported to occur as result of a peritectic reaction at either 1546 °C (Ref 19) or 1490 °C (Ref 20).","quote_page":1,"reaction":{"type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"HF-V","system":"HF-V","temperature_K":1763.15,"temperature_printed":"1490 °C","tool_release":"release v2 + tools dev copy record build","transition_kind":"peritectic","transition_kind_printed":"peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1763.15},{"chemical_system":"HF-V","citations_printed":["Ref 19"],"cited_sources":[{"first_author":"Guzei","kind":"unknown","label":"19","reference":"L.S. Guzei, E.M. Sokolovskaya, I.G. Sokoleva, E.I. Belyaeva, G.N. Romani, and S.N. Kuznetsov, Phase Diagram of the Vanadium-Hafnium System, Moscow Univ. Chemi. Bull., Vol 23 (No. 4), 1968, p 35-37","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":2,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-PYAR7UG346.588c57","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1361/15477030522464/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1361/15477030522464","paper_id":"doi:10.1361/15477030522464","pid":"doi:10.1361/15477030522464/p1/text-08/s05#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":"Conflicting information is provided in Ref 19 and 20, studies in which the Laves phase formation was reported to occur as result of a peritectic reaction at either 1546 °C (Ref 19) or 1490 °C (Ref 20).","quote_page":1,"reaction":{"type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"HF-V","system":"HF-V","temperature_K":1819.15,"temperature_printed":"1546 °C","tool_release":"release v2 + tools dev copy record build","transition_kind":"peritectic","transition_kind_printed":"peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1819.15}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"HF-V"}