{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:OCLPMG5QTU2J65Y7JN3KDAAOTT","short_pith_number":"pith:OCLPMG5Q","canonical_record":{"source":{"id":"gr-qc/9507055","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1995-07-28T14:58:15Z","cross_cats_sorted":[],"title_canon_sha256":"5c92905f87827fefc5307b7277863650106603e6a4415cc88921333fb488fd27","abstract_canon_sha256":"896903f1efe5e9575ade97b8e870ecbb4666615eae529b6e7ccca577e23099f5"},"schema_version":"1.0"},"canonical_sha256":"7096f61bb09d349f771f4b76a1800e9cc6c911ff061593940df9ec70e6a13eed","source":{"kind":"arxiv","id":"gr-qc/9507055","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9507055","created_at":"2026-07-04T15:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9507055v1","created_at":"2026-07-04T15:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9507055","created_at":"2026-07-04T15:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"OCLPMG5QTU2J","created_at":"2026-07-04T15:58:50Z"},{"alias_kind":"pith_short_16","alias_value":"OCLPMG5QTU2J65Y7","created_at":"2026-07-04T15:58:50Z"},{"alias_kind":"pith_short_8","alias_value":"OCLPMG5Q","created_at":"2026-07-04T15:58:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:OCLPMG5QTU2J65Y7JN3KDAAOTT","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/9507055","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1995-07-28T14:58:15Z","cross_cats_sorted":[],"title_canon_sha256":"5c92905f87827fefc5307b7277863650106603e6a4415cc88921333fb488fd27","abstract_canon_sha256":"896903f1efe5e9575ade97b8e870ecbb4666615eae529b6e7ccca577e23099f5"},"schema_version":"1.0"},"canonical_sha256":"7096f61bb09d349f771f4b76a1800e9cc6c911ff061593940df9ec70e6a13eed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:58:50.053842Z","signature_b64":"TQdvSqz2E92WA3ob6nZoizMSABbgWavqDX0F+Se0fCTayyGKKaH+iz7EqMn8M/qs1JcKU89jWsJILh2y5snVAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7096f61bb09d349f771f4b76a1800e9cc6c911ff061593940df9ec70e6a13eed","last_reissued_at":"2026-07-04T15:58:50.053406Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:58:50.053406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/9507055","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jjt0yf86FGX9OqntX2Pes1TArGPLj6ortVEo6YpdhdLrsksDknWufjHojPGS2x7flVCJ8cr7AALdV4rVAjKyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T11:14:19.025853Z"},"content_sha256":"8a5d7c1e6bad597928b16d92aae18977bc0be6d46c1c6d252184dfb53b1e477b","schema_version":"1.0","event_id":"sha256:8a5d7c1e6bad597928b16d92aae18977bc0be6d46c1c6d252184dfb53b1e477b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:OCLPMG5QTU2J65Y7JN3KDAAOTT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Global Extensions of Spacetimes Describing Asymptotic Final States of Black Holes","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Istvan Racz, Robert M. Wald","submitted_at":"1995-07-28T14:58:15Z","abstract_excerpt":"We consider a globally hyperbolic, stationary spacetime containing a black hole but no white hole. We assume, further, that the event horizon, $\\tn$, of the black hole is a Killing horizon with compact cross-sections. We prove that if surface gravity is non-zero constant throughout the horizon one can {\\it globally} extend such a spacetime so that the image of $\\cal N$ is a proper subset of a regular bifurcate Killing horizon in the enlarged spacetime. The necessary and sufficient conditions are given for the extendibility of matter fields to the enlarged spacetime. These conditions are automa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9507055","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/gr-qc/9507055/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Grs+4MCzAnAgCG+FXeeGRTlhfink4T2gndYrA49NIL8iMCiJOcPYGsakNnudCs06vI8aZiU4m66KIIT20W6YCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T11:14:19.026344Z"},"content_sha256":"d6727073f5ddca8ba1b801e371a0dcd72f01e3f0329d64496884643f63abff85","schema_version":"1.0","event_id":"sha256:d6727073f5ddca8ba1b801e371a0dcd72f01e3f0329d64496884643f63abff85"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OCLPMG5QTU2J65Y7JN3KDAAOTT/bundle.json","state_url":"https://pith.science/pith/OCLPMG5QTU2J65Y7JN3KDAAOTT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OCLPMG5QTU2J65Y7JN3KDAAOTT/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":"2026-08-04T11:14:19Z","links":{"resolver":"https://pith.science/pith/OCLPMG5QTU2J65Y7JN3KDAAOTT","bundle":"https://pith.science/pith/OCLPMG5QTU2J65Y7JN3KDAAOTT/bundle.json","state":"https://pith.science/pith/OCLPMG5QTU2J65Y7JN3KDAAOTT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OCLPMG5QTU2J65Y7JN3KDAAOTT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:OCLPMG5QTU2J65Y7JN3KDAAOTT","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":"896903f1efe5e9575ade97b8e870ecbb4666615eae529b6e7ccca577e23099f5","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1995-07-28T14:58:15Z","title_canon_sha256":"5c92905f87827fefc5307b7277863650106603e6a4415cc88921333fb488fd27"},"schema_version":"1.0","source":{"id":"gr-qc/9507055","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9507055","created_at":"2026-07-04T15:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9507055v1","created_at":"2026-07-04T15:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9507055","created_at":"2026-07-04T15:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"OCLPMG5QTU2J","created_at":"2026-07-04T15:58:50Z"},{"alias_kind":"pith_short_16","alias_value":"OCLPMG5QTU2J65Y7","created_at":"2026-07-04T15:58:50Z"},{"alias_kind":"pith_short_8","alias_value":"OCLPMG5Q","created_at":"2026-07-04T15:58:50Z"}],"graph_snapshots":[{"event_id":"sha256:d6727073f5ddca8ba1b801e371a0dcd72f01e3f0329d64496884643f63abff85","target":"graph","created_at":"2026-07-04T15:58:50Z","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/gr-qc/9507055/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider a globally hyperbolic, stationary spacetime containing a black hole but no white hole. We assume, further, that the event horizon, $\\tn$, of the black hole is a Killing horizon with compact cross-sections. We prove that if surface gravity is non-zero constant throughout the horizon one can {\\it globally} extend such a spacetime so that the image of $\\cal N$ is a proper subset of a regular bifurcate Killing horizon in the enlarged spacetime. The necessary and sufficient conditions are given for the extendibility of matter fields to the enlarged spacetime. These conditions are automa","authors_text":"Istvan Racz, Robert M. Wald","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1995-07-28T14:58:15Z","title":"Global Extensions of Spacetimes Describing Asymptotic Final States of Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9507055","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":"sha256:8a5d7c1e6bad597928b16d92aae18977bc0be6d46c1c6d252184dfb53b1e477b","target":"record","created_at":"2026-07-04T15:58:50Z","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":"896903f1efe5e9575ade97b8e870ecbb4666615eae529b6e7ccca577e23099f5","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1995-07-28T14:58:15Z","title_canon_sha256":"5c92905f87827fefc5307b7277863650106603e6a4415cc88921333fb488fd27"},"schema_version":"1.0","source":{"id":"gr-qc/9507055","kind":"arxiv","version":1}},"canonical_sha256":"7096f61bb09d349f771f4b76a1800e9cc6c911ff061593940df9ec70e6a13eed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7096f61bb09d349f771f4b76a1800e9cc6c911ff061593940df9ec70e6a13eed","first_computed_at":"2026-07-04T15:58:50.053406Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:58:50.053406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TQdvSqz2E92WA3ob6nZoizMSABbgWavqDX0F+Se0fCTayyGKKaH+iz7EqMn8M/qs1JcKU89jWsJILh2y5snVAA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:58:50.053842Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9507055","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a5d7c1e6bad597928b16d92aae18977bc0be6d46c1c6d252184dfb53b1e477b","sha256:d6727073f5ddca8ba1b801e371a0dcd72f01e3f0329d64496884643f63abff85"],"state_sha256":"a77a0eead56255b274e71fb4fea53031d94b3fed43f555dd4e994d832a214075"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"US0WLMxhNa4n9fjexC3KtDIw+GPM+ry6dMj99K6/ovOBpQ0oLw9x6cAn1+IZV8Fit1cOEkQHS97AGntfjabQCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T11:14:19.030964Z","bundle_sha256":"c246e0e70658c0be0a1dd7efa6735bcabe673a5cdf291bb8cd608c6a4190b739"}}