{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:C5K3MNFSOE7YCCUYDLHUFQS3YL","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"06136d533ca47292e0d9978353e421fc2bd9be8d6e1d320b23ec7a4c066feb26","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-11T22:51:50Z","title_canon_sha256":"6861c8520df354e2bbf94e867fcacf2870795b1131846697f3d557f903de74d3"},"schema_version":"1.0","source":{"id":"1901.03764","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03764","created_at":"2026-05-17T23:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03764v2","created_at":"2026-05-17T23:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03764","created_at":"2026-05-17T23:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"C5K3MNFSOE7Y","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"C5K3MNFSOE7YCCUY","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"C5K3MNFS","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:a7b790e13894cb4bf383eaed32aa69b17ca954a5be96da502d9ab0bcb448f865","target":"graph","created_at":"2026-05-17T23:52:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Heng & Tsai (2016) developed an analytic framework to obtain thermochemical-equilibrium abundances for H$_{2}$O, CO, CO$_2$, CH$_4$, C$_{2}$H$_{2}$, C$_{2}$H$_{4}$, HCN, NH$_3$, and N$_2$ for a system with known temperature, pressure, and elemental abundances (hydrogen, carbon, nitrogen, and oxygen). However, the implementation of their approach can become numerically unstable under certain circumstances, leading to inaccurate solutions (e.g., ${\\rm C/O} \\ge 1$ atmospheres at low pressures). Building up on their approach, we identified the conditions that prompt inaccurate solutions, and devel","authors_text":"Ian Dobbs-Dixon, Jasmina Blecic, Patricio Cubillos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-11T22:51:50Z","title":"Toward More Reliable Analytic Thermochemical-equilibrium Abundances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03764","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:28e54b8e1c43009f9922ee7dca5cc93f6d6de32bf69905f951a713c7915ec1ef","target":"record","created_at":"2026-05-17T23:52:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"06136d533ca47292e0d9978353e421fc2bd9be8d6e1d320b23ec7a4c066feb26","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-11T22:51:50Z","title_canon_sha256":"6861c8520df354e2bbf94e867fcacf2870795b1131846697f3d557f903de74d3"},"schema_version":"1.0","source":{"id":"1901.03764","kind":"arxiv","version":2}},"canonical_sha256":"1755b634b2713f810a981acf42c25bc2d823ddcea15bd5323b6539e3ffb3e784","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1755b634b2713f810a981acf42c25bc2d823ddcea15bd5323b6539e3ffb3e784","first_computed_at":"2026-05-17T23:52:38.672361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:38.672361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fneXeg6W3j4N0FF4QS6hFWaRzAOABi41BNhlq+HfGiYMXCubG23COz7+8i9oHuWzSPeNZ14y9Gc1lRbMlNvACg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:38.673189Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.03764","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28e54b8e1c43009f9922ee7dca5cc93f6d6de32bf69905f951a713c7915ec1ef","sha256:a7b790e13894cb4bf383eaed32aa69b17ca954a5be96da502d9ab0bcb448f865"],"state_sha256":"9dcb52d863633653577872678a4c68ddfd0c952b3f4cf160970a8333ae52adef"}