{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YMM7QJUZGOSJVHOYEBOI56NN6V","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":"8ec7a43aa88ed30d778bef56676082cb8da3700f4b1724d7b4d611a873c76c65","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-30T19:53:48Z","title_canon_sha256":"7170ef03ffd2420ec576b0491dfe811c7aeddd354d60ccc50c10bdf18d6e2875"},"schema_version":"1.0","source":{"id":"1407.8174","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.8174","created_at":"2026-05-18T01:42:27Z"},{"alias_kind":"arxiv_version","alias_value":"1407.8174v1","created_at":"2026-05-18T01:42:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.8174","created_at":"2026-05-18T01:42:27Z"},{"alias_kind":"pith_short_12","alias_value":"YMM7QJUZGOSJ","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YMM7QJUZGOSJVHOY","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YMM7QJUZ","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:5ba7f71b0fa81ddec3736171593f19cf3ee56fbc0dfa95e26588dd97ffc00b6e","target":"graph","created_at":"2026-05-18T01:42:27Z","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":"With the discovery of hundreds of exoplanets and a potentially huge number of Earth-like planets waiting to be discovered, the conditions for their habitability have become a focal point in exoplanetary research. The classical picture of habitable zones primarily relies on the stellar flux allowing liquid water to exist on the surface of an Earth-like planet with a suitable atmosphere. However, numerous further stellar and planetary properties constrain habitability. Apart from \"geophysical\" processes depending on the internal structure and composition of a planet, a complex array of astrophys","authors_text":"B.E. Wood, E. Pilat-Lohinger, H. Lammer, H. Rauer, I. Ribas, J. Kasting, M. Guedel, M. Khodachenko, N. Erkaev, R. Dvorak","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-30T19:53:48Z","title":"Astrophysical Conditions for Planetary Habitability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.8174","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:b187146b073a4451b030168e0a90eafea5f9f655cd631618f668f1544f6b0395","target":"record","created_at":"2026-05-18T01:42:27Z","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":"8ec7a43aa88ed30d778bef56676082cb8da3700f4b1724d7b4d611a873c76c65","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-30T19:53:48Z","title_canon_sha256":"7170ef03ffd2420ec576b0491dfe811c7aeddd354d60ccc50c10bdf18d6e2875"},"schema_version":"1.0","source":{"id":"1407.8174","kind":"arxiv","version":1}},"canonical_sha256":"c319f8269933a49a9dd8205c8ef9adf559b7255a10cebda82fb50531f59e1b2a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c319f8269933a49a9dd8205c8ef9adf559b7255a10cebda82fb50531f59e1b2a","first_computed_at":"2026-05-18T01:42:27.183305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:27.183305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nRrjqaDyeeGLBi5gXIDwYBueh8boOOBxoelRWzdBDdxfxeWDhTH+N4oVi3xgi5wQAYm+L+uJ8y3aYc2Cq8SWBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:27.183814Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.8174","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b187146b073a4451b030168e0a90eafea5f9f655cd631618f668f1544f6b0395","sha256:5ba7f71b0fa81ddec3736171593f19cf3ee56fbc0dfa95e26588dd97ffc00b6e"],"state_sha256":"4f53e4a1d3a35961cfde7d6ab73f4ed95b6dbdd7540c08606d7bf957d5241baf"}