{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:DX7SSVCUXCERRCY75DOJETU3U4","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":"7a9fea1262667c44a2d0ace90c582f35770e27e1dcf143a21c4b39331610da05","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-11-11T15:36:39Z","title_canon_sha256":"57b749dc049c63b1eda558e5e2b03fffa276afa3016f1613c0ca03b8338898b1"},"schema_version":"1.0","source":{"id":"1411.2854","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.2854","created_at":"2026-05-18T02:20:30Z"},{"alias_kind":"arxiv_version","alias_value":"1411.2854v3","created_at":"2026-05-18T02:20:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.2854","created_at":"2026-05-18T02:20:30Z"},{"alias_kind":"pith_short_12","alias_value":"DX7SSVCUXCER","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DX7SSVCUXCERRCY7","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DX7SSVCU","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:1d7d0c8cdd756dba8f759c91c35d924b1814766134abc62897db0fa6f78869d5","target":"graph","created_at":"2026-05-18T02:20:30Z","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":"The 3d volume inside a spherical black hole can be defined by extending an intrinsic flat-spacetime characterization of the volume inside a 2-sphere. For a collapsed object, the volume grows with time since the collapse, reaching a simple asymptotic form, which has a compelling geometrical interpretation. Perhaps surprising, it is large. The result may have relevance for the discussion on the information paradox.","authors_text":"Carlo Rovelli, Marios Christodoulou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-11-11T15:36:39Z","title":"How big is a black hole?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.2854","kind":"arxiv","version":3},"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":"sha256:9bf5a01f659a4abb5f2b9763def8161b51b1d63be1648b4839ec68c95fefb767","target":"record","created_at":"2026-05-18T02:20:30Z","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":"7a9fea1262667c44a2d0ace90c582f35770e27e1dcf143a21c4b39331610da05","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-11-11T15:36:39Z","title_canon_sha256":"57b749dc049c63b1eda558e5e2b03fffa276afa3016f1613c0ca03b8338898b1"},"schema_version":"1.0","source":{"id":"1411.2854","kind":"arxiv","version":3}},"canonical_sha256":"1dff295454b889188b1fe8dc924e9ba73d65c93369d147790a9b54951d6eb838","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1dff295454b889188b1fe8dc924e9ba73d65c93369d147790a9b54951d6eb838","first_computed_at":"2026-05-18T02:20:30.568242Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:20:30.568242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I+62m/YHZKgrCqQN/9uln1d4uio+CRIvM3T9R7KBry/6QsERrKAfmxmmMTHuj0t008YQLgVa/oG6o4LyWqjCAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:20:30.568834Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.2854","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9bf5a01f659a4abb5f2b9763def8161b51b1d63be1648b4839ec68c95fefb767","sha256:1d7d0c8cdd756dba8f759c91c35d924b1814766134abc62897db0fa6f78869d5"],"state_sha256":"82943168d1080f4ac4ea7570ec8cbfc23b1ccfff126a6753e69f8b20262919d0"}