{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:LOYBLTSAF27MQ2QCGLS3IRZBEQ","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":"b1a7454ca431618c44c497d1390e9415bcd3e19468c898a8586e0d4d30603765","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-07-07T18:00:07Z","title_canon_sha256":"7888320485dd8e7aa5a840dffda344331500cfa6eb2617114fc56aad4de65371"},"schema_version":"1.0","source":{"id":"2507.05363","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.05363","created_at":"2026-05-26T01:02:27Z"},{"alias_kind":"arxiv_version","alias_value":"2507.05363v3","created_at":"2026-05-26T01:02:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.05363","created_at":"2026-05-26T01:02:27Z"},{"alias_kind":"pith_short_12","alias_value":"LOYBLTSAF27M","created_at":"2026-05-26T01:02:27Z"},{"alias_kind":"pith_short_16","alias_value":"LOYBLTSAF27MQ2QC","created_at":"2026-05-26T01:02:27Z"},{"alias_kind":"pith_short_8","alias_value":"LOYBLTSA","created_at":"2026-05-26T01:02:27Z"}],"graph_snapshots":[{"event_id":"sha256:fbe4d06aab1394dde656313dd27793b388e43adcd3c23a52f731891c319058c6","target":"graph","created_at":"2026-05-26T01:02:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2507.05363/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent work by Headrick, Sasieta and myself provides an extension of the HRT formula for asymptotically flat spacetimes. I use this formula to construct a holographic model of black hole evaporation in four-dimensional asymptotically flat spacetimes using Brill-Lindquist (BL) wormholes. The wormhole is interpreted via ER=EPR to represent the entanglement geometry between an evaporating black hole and baths into which the Hawking radiation is collected. Applying HRT, I compute the entanglement entropy by numerically computing the areas of the minimal surfaces, which is shown to obey the Page cu","authors_text":"Divij Gupta","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-07-07T18:00:07Z","title":"Evaporating universes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.05363","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":"sha256:14bf500b705d3d4b877f4b05f8322a1a6fc1a686e7ceef83b3d4aba986c3de35","target":"record","created_at":"2026-05-26T01:02:27Z","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":"b1a7454ca431618c44c497d1390e9415bcd3e19468c898a8586e0d4d30603765","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-07-07T18:00:07Z","title_canon_sha256":"7888320485dd8e7aa5a840dffda344331500cfa6eb2617114fc56aad4de65371"},"schema_version":"1.0","source":{"id":"2507.05363","kind":"arxiv","version":3}},"canonical_sha256":"5bb015ce402ebec86a0232e5b44721243e98e550d552ee6f3803ca866e955ac2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5bb015ce402ebec86a0232e5b44721243e98e550d552ee6f3803ca866e955ac2","first_computed_at":"2026-05-26T01:02:27.136340Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T01:02:27.136340Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o4zMBAsVP8TqBDXkcq75GMTk7wI0rpSn+sylA/8Kgzb45XCJajwqznrj0GbY9B7QXzEIUj4O+81KJ2CYD6nUDQ==","signature_status":"signed_v1","signed_at":"2026-05-26T01:02:27.137252Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.05363","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14bf500b705d3d4b877f4b05f8322a1a6fc1a686e7ceef83b3d4aba986c3de35","sha256:fbe4d06aab1394dde656313dd27793b388e43adcd3c23a52f731891c319058c6"],"state_sha256":"9153708a661bc8762afcfc8ceb6bfdd4fc10cd7d7da53d871ddcccb3bb27b28a"}