{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:T2EUOKS4KSXYHBRXGQOV3CHRWR","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":"fc5cf9c866c173c7b35743ffaa8821c0dcfcf9159a030b6a3db4aad33d103e7f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-15T23:22:29Z","title_canon_sha256":"37fa2ffa7dea0c49bff911cb59213b4e7006a1da9101998f2be6311f87222d00"},"schema_version":"1.0","source":{"id":"1210.4216","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.4216","created_at":"2026-05-18T01:53:54Z"},{"alias_kind":"arxiv_version","alias_value":"1210.4216v1","created_at":"2026-05-18T01:53:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.4216","created_at":"2026-05-18T01:53:54Z"},{"alias_kind":"pith_short_12","alias_value":"T2EUOKS4KSXY","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"T2EUOKS4KSXYHBRX","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"T2EUOKS4","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:601e54bf916a0835c2c24d267d56031254dcb959b4e87a284a68fc429d122ee7","target":"graph","created_at":"2026-05-18T01:53:54Z","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":"On the basis of geological evidence, it is often stated that the early martian climate was warm enough for liquid water to flow on the surface thanks to the greenhouse effect of a thick atmosphere. We present 3D global climate simulations of the early martian climate performed assuming a faint young sun and a CO2 atmosphere with pressure between 0.1 and 7 bars. The model includes a detailed radiative transfer model using revised CO2 gas collision induced absorption properties, and a parameterisation of the CO2 ice cloud microphysical and radiative properties. A wide range of possible climates ","authors_text":"Ehouarn Millour, Emmanuel Marcq, Francois Forget, Jean-Baptiste Madeleine, Jeremy Leconte, Laura Kerber, Robert M. Haberle, Robin Wordsworth","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-15T23:22:29Z","title":"3D modelling of the early Martian Climate under a denser CO2 atmosphere: Temperatures and CO2 ice clouds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.4216","kind":"arxiv","version":1},"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:d2decd3a26408d3d44df7416849da22f052f32a9e4517c845786c526e58313b5","target":"record","created_at":"2026-05-18T01:53:54Z","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":"fc5cf9c866c173c7b35743ffaa8821c0dcfcf9159a030b6a3db4aad33d103e7f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-15T23:22:29Z","title_canon_sha256":"37fa2ffa7dea0c49bff911cb59213b4e7006a1da9101998f2be6311f87222d00"},"schema_version":"1.0","source":{"id":"1210.4216","kind":"arxiv","version":1}},"canonical_sha256":"9e89472a5c54af838637341d5d88f1b44580128a07a376715c53513c51446945","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e89472a5c54af838637341d5d88f1b44580128a07a376715c53513c51446945","first_computed_at":"2026-05-18T01:53:54.757359Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:54.757359Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a4CTR0LtSDtuufCFVc8615KFau87yyeUD//BgweRGakb1U97lH3cdBM/z+GuSot/gaBngzKfm8qHGLcFI+rCDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:54.757939Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.4216","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2decd3a26408d3d44df7416849da22f052f32a9e4517c845786c526e58313b5","sha256:601e54bf916a0835c2c24d267d56031254dcb959b4e87a284a68fc429d122ee7"],"state_sha256":"7151c2f3dcd2896bff30802c8b280a36ebdbf1b7b3c5d82327d21bcf070c727d"}