{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JWC5RQ2LXY6AB5D3BJYZKYMZBZ","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":"8637d499dcf49a26f369e759e693268ac00690e38e0d895e692f73fd61e878b2","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-12-19T17:27:26Z","title_canon_sha256":"438522db6c5eadbdff3535a8e93395ce3f2715625de51322b90d1c3dfe0794c3"},"schema_version":"1.0","source":{"id":"1112.4412","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.4412","created_at":"2026-05-18T03:34:46Z"},{"alias_kind":"arxiv_version","alias_value":"1112.4412v2","created_at":"2026-05-18T03:34:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.4412","created_at":"2026-05-18T03:34:46Z"},{"alias_kind":"pith_short_12","alias_value":"JWC5RQ2LXY6A","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JWC5RQ2LXY6AB5D3","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JWC5RQ2L","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:9fdd262a0589e70a7ff4dd31a9f154b5fa066838cfe9ae632e28e8151caaba1a","target":"graph","created_at":"2026-05-18T03:34:46Z","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":"Isolated horizons are a quasi-local framework, developed over the last 15 years by many authors, for modeling black holes `in equilibrium' that involves assumptions only about geometric structures intrinsic to the horizon. We review the motivations for the framework, and the derivation of the key results, both classical and quantum.","authors_text":"Jonathan Engle, Tomas Liko","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-12-19T17:27:26Z","title":"Isolated horizons in classical and quantum gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.4412","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:f69282e3563270dd4b04b8f7aee6951fdccade31cf08568c392c128e9c0600ce","target":"record","created_at":"2026-05-18T03:34:46Z","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":"8637d499dcf49a26f369e759e693268ac00690e38e0d895e692f73fd61e878b2","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-12-19T17:27:26Z","title_canon_sha256":"438522db6c5eadbdff3535a8e93395ce3f2715625de51322b90d1c3dfe0794c3"},"schema_version":"1.0","source":{"id":"1112.4412","kind":"arxiv","version":2}},"canonical_sha256":"4d85d8c34bbe3c00f47b0a719561990e6939ab4699c07f308865b03ae1aa73b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d85d8c34bbe3c00f47b0a719561990e6939ab4699c07f308865b03ae1aa73b7","first_computed_at":"2026-05-18T03:34:46.164030Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:34:46.164030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Km7yP4Qr3ifaKKPXnWhI77ux5eOT0yI/YWonReUv7ErJeyPg/sVNAeSnT1KnV3x1BJf+MYGHNE9o4jOZuT5TCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:34:46.164875Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.4412","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f69282e3563270dd4b04b8f7aee6951fdccade31cf08568c392c128e9c0600ce","sha256:9fdd262a0589e70a7ff4dd31a9f154b5fa066838cfe9ae632e28e8151caaba1a"],"state_sha256":"599c250a4171664d043b96bd2f753042b4349b3aef3213623aa6dc79838113b1"}