{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:GKAYC3OKPDQLWXBZ6IWTUJSZ7Q","short_pith_number":"pith:GKAYC3OK","canonical_record":{"source":{"id":"1911.11977","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-11-27T06:30:56Z","cross_cats_sorted":["gr-qc","quant-ph"],"title_canon_sha256":"f59fc0d9bd5bb90561319fea8137cd7d73ffee0033b3ec35758d97b9d56b1d43","abstract_canon_sha256":"d6e65bba71e772f04d696425b3c63c883f328f34e87e0f417ea281fe0cffec02"},"schema_version":"1.0"},"canonical_sha256":"3281816dca78e0bb5c39f22d3a2659fc0c05ea56cfa8996076894338a4a7fdb6","source":{"kind":"arxiv","id":"1911.11977","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.11977","created_at":"2026-05-18T18:42:54Z"},{"alias_kind":"arxiv_version","alias_value":"1911.11977v2","created_at":"2026-05-18T18:42:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.11977","created_at":"2026-05-18T18:42:54Z"},{"alias_kind":"pith_short_12","alias_value":"GKAYC3OKPDQL","created_at":"2026-05-18T18:42:54Z"},{"alias_kind":"pith_short_16","alias_value":"GKAYC3OKPDQLWXBZ","created_at":"2026-05-18T18:42:54Z"},{"alias_kind":"pith_short_8","alias_value":"GKAYC3OK","created_at":"2026-05-18T18:42:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:GKAYC3OKPDQLWXBZ6IWTUJSZ7Q","target":"record","payload":{"canonical_record":{"source":{"id":"1911.11977","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-11-27T06:30:56Z","cross_cats_sorted":["gr-qc","quant-ph"],"title_canon_sha256":"f59fc0d9bd5bb90561319fea8137cd7d73ffee0033b3ec35758d97b9d56b1d43","abstract_canon_sha256":"d6e65bba71e772f04d696425b3c63c883f328f34e87e0f417ea281fe0cffec02"},"schema_version":"1.0"},"canonical_sha256":"3281816dca78e0bb5c39f22d3a2659fc0c05ea56cfa8996076894338a4a7fdb6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T18:42:54.689819Z","signature_b64":"SMmKlcFSdwwmo3/D+LWuIvB0cXUzS0rwZvnKmmGQG53c+EnpdOf8mEdeVa69K2pl5Hn//ztTxazzAWx6jTXHCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3281816dca78e0bb5c39f22d3a2659fc0c05ea56cfa8996076894338a4a7fdb6","last_reissued_at":"2026-05-18T18:42:54.686726Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T18:42:54.686726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.11977","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T18:42:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kYMpfvxsqJFJjz1rzN0AA7DxQpg90iy+XOwl1D591MhG2p0pikGyqh9XjRBG2bJuGWLV0NdhJLJOzrpjlCVRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:17:58.982605Z"},"content_sha256":"5eeedc2b5447f10ef53a95b156930795749838360df70b0b2be7b3785b9b1a06","schema_version":"1.0","event_id":"sha256:5eeedc2b5447f10ef53a95b156930795749838360df70b0b2be7b3785b9b1a06"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:GKAYC3OKPDQLWXBZ6IWTUJSZ7Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Replica wormholes and the black hole interior","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","quant-ph"],"primary_cat":"hep-th","authors_text":"Douglas Stanford, Geoff Penington, Stephen H. Shenker, Zhenbin Yang","submitted_at":"2019-11-27T06:30:56Z","abstract_excerpt":"Recent work has shown how to obtain the Page curve of an evaporating black hole from holographic computations of entanglement entropy. We show how these computations can be justified using the replica trick, from geometries with a spacetime wormhole connecting the different replicas. In a simple model, we study the Page transition in detail by summing replica geometries with different topologies. We compute related quantities in less detail in more complicated models, including JT gravity coupled to conformal matter and the SYK model. Separately, we give a direct gravitational argument for ent"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.11977","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T18:42:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AJE3yoEOLD5kgylnQc1vJ+Wa7+/vL4Rog41gcVxcXQmPW5JlGSARaYcTmSg542+IEN9eeE3HV2DTXxmPvQHmAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:17:58.983226Z"},"content_sha256":"f738adcf94bc9a84519828536e2ae32411ca97e741d5c11ce67c0609e799ed75","schema_version":"1.0","event_id":"sha256:f738adcf94bc9a84519828536e2ae32411ca97e741d5c11ce67c0609e799ed75"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GKAYC3OKPDQLWXBZ6IWTUJSZ7Q/bundle.json","state_url":"https://pith.science/pith/GKAYC3OKPDQLWXBZ6IWTUJSZ7Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GKAYC3OKPDQLWXBZ6IWTUJSZ7Q/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-19T18:17:58Z","links":{"resolver":"https://pith.science/pith/GKAYC3OKPDQLWXBZ6IWTUJSZ7Q","bundle":"https://pith.science/pith/GKAYC3OKPDQLWXBZ6IWTUJSZ7Q/bundle.json","state":"https://pith.science/pith/GKAYC3OKPDQLWXBZ6IWTUJSZ7Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GKAYC3OKPDQLWXBZ6IWTUJSZ7Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GKAYC3OKPDQLWXBZ6IWTUJSZ7Q","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":"d6e65bba71e772f04d696425b3c63c883f328f34e87e0f417ea281fe0cffec02","cross_cats_sorted":["gr-qc","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-11-27T06:30:56Z","title_canon_sha256":"f59fc0d9bd5bb90561319fea8137cd7d73ffee0033b3ec35758d97b9d56b1d43"},"schema_version":"1.0","source":{"id":"1911.11977","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.11977","created_at":"2026-05-18T18:42:54Z"},{"alias_kind":"arxiv_version","alias_value":"1911.11977v2","created_at":"2026-05-18T18:42:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.11977","created_at":"2026-05-18T18:42:54Z"},{"alias_kind":"pith_short_12","alias_value":"GKAYC3OKPDQL","created_at":"2026-05-18T18:42:54Z"},{"alias_kind":"pith_short_16","alias_value":"GKAYC3OKPDQLWXBZ","created_at":"2026-05-18T18:42:54Z"},{"alias_kind":"pith_short_8","alias_value":"GKAYC3OK","created_at":"2026-05-18T18:42:54Z"}],"graph_snapshots":[{"event_id":"sha256:f738adcf94bc9a84519828536e2ae32411ca97e741d5c11ce67c0609e799ed75","target":"graph","created_at":"2026-05-18T18:42:54Z","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":"Recent work has shown how to obtain the Page curve of an evaporating black hole from holographic computations of entanglement entropy. We show how these computations can be justified using the replica trick, from geometries with a spacetime wormhole connecting the different replicas. In a simple model, we study the Page transition in detail by summing replica geometries with different topologies. We compute related quantities in less detail in more complicated models, including JT gravity coupled to conformal matter and the SYK model. Separately, we give a direct gravitational argument for ent","authors_text":"Douglas Stanford, Geoff Penington, Stephen H. Shenker, Zhenbin Yang","cross_cats":["gr-qc","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-11-27T06:30:56Z","title":"Replica wormholes and the black hole interior"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.11977","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":"sha256:5eeedc2b5447f10ef53a95b156930795749838360df70b0b2be7b3785b9b1a06","target":"record","created_at":"2026-05-18T18:42:54Z","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":"d6e65bba71e772f04d696425b3c63c883f328f34e87e0f417ea281fe0cffec02","cross_cats_sorted":["gr-qc","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-11-27T06:30:56Z","title_canon_sha256":"f59fc0d9bd5bb90561319fea8137cd7d73ffee0033b3ec35758d97b9d56b1d43"},"schema_version":"1.0","source":{"id":"1911.11977","kind":"arxiv","version":2}},"canonical_sha256":"3281816dca78e0bb5c39f22d3a2659fc0c05ea56cfa8996076894338a4a7fdb6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3281816dca78e0bb5c39f22d3a2659fc0c05ea56cfa8996076894338a4a7fdb6","first_computed_at":"2026-05-18T18:42:54.686726Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T18:42:54.686726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SMmKlcFSdwwmo3/D+LWuIvB0cXUzS0rwZvnKmmGQG53c+EnpdOf8mEdeVa69K2pl5Hn//ztTxazzAWx6jTXHCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T18:42:54.689819Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.11977","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5eeedc2b5447f10ef53a95b156930795749838360df70b0b2be7b3785b9b1a06","sha256:f738adcf94bc9a84519828536e2ae32411ca97e741d5c11ce67c0609e799ed75"],"state_sha256":"eb726d651ef31186351b2c386d9e4745ca403bcbac3ce00a713944809fbcc584"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ebed5G0HtgIQs31Zis3oaye8yQecxX/uyHp9Dbp1A8jws9cTZvzytBW4GBzKo1FVCK8RldY8nrGslQcNLnREAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T18:17:58.986426Z","bundle_sha256":"e563835f8152bc0dfb84bec79f391b5a851a338c4e2ca25a8f5354e862558d6a"}}