{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:5BNRE2OG5ZKGB7E7EFJRP5E7WS","short_pith_number":"pith:5BNRE2OG","canonical_record":{"source":{"id":"1410.5226","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-10-20T10:57:29Z","cross_cats_sorted":["hep-th","math-ph","math.MP","physics.hist-ph"],"title_canon_sha256":"7001814ce5101190c6b55a8462ca1738ec7b205bbdb9d5532167c5b18ab5e825","abstract_canon_sha256":"61cc18ead12eacb318f8e02dc8738b7732886ed0e80625818497593cca6ebf74"},"schema_version":"1.0"},"canonical_sha256":"e85b1269c6ee5460fc9f215317f49fb48e98ade6ad3956d03e8f82e4a62c76cd","source":{"kind":"arxiv","id":"1410.5226","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.5226","created_at":"2026-05-18T01:46:22Z"},{"alias_kind":"arxiv_version","alias_value":"1410.5226v2","created_at":"2026-05-18T01:46:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.5226","created_at":"2026-05-18T01:46:22Z"},{"alias_kind":"pith_short_12","alias_value":"5BNRE2OG5ZKG","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"5BNRE2OG5ZKGB7E7","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"5BNRE2OG","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:5BNRE2OG5ZKGB7E7EFJRP5E7WS","target":"record","payload":{"canonical_record":{"source":{"id":"1410.5226","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-10-20T10:57:29Z","cross_cats_sorted":["hep-th","math-ph","math.MP","physics.hist-ph"],"title_canon_sha256":"7001814ce5101190c6b55a8462ca1738ec7b205bbdb9d5532167c5b18ab5e825","abstract_canon_sha256":"61cc18ead12eacb318f8e02dc8738b7732886ed0e80625818497593cca6ebf74"},"schema_version":"1.0"},"canonical_sha256":"e85b1269c6ee5460fc9f215317f49fb48e98ade6ad3956d03e8f82e4a62c76cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:22.292522Z","signature_b64":"5uAV3WfRfxgDWbbtqEDT/PUWRESEkyvKOSgjIKHhZEoeJ8oCxD/unbV0dOgQXx+DuyH6vr7iloksTGNnI/x7AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e85b1269c6ee5460fc9f215317f49fb48e98ade6ad3956d03e8f82e4a62c76cd","last_reissued_at":"2026-05-18T01:46:22.291947Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:22.291947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.5226","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":"2026-05-18T01:46:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yo9S37TiXR+q1zea6zt7pWrcbE28c8zkxhexdSOXjm2ZNBY84CiZZfmc1+OpdFHIeICo0Ot4sOQgYG2JoXYuDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T08:33:29.084609Z"},"content_sha256":"540803f69c92659bb9958c209dadb0793c529abc83d289aac1417400da29db21","schema_version":"1.0","event_id":"sha256:540803f69c92659bb9958c209dadb0793c529abc83d289aac1417400da29db21"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:5BNRE2OG5ZKGB7E7EFJRP5E7WS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The 1965 Penrose singularity theorem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP","physics.hist-ph"],"primary_cat":"gr-qc","authors_text":"David Garfinkle, Jos\\'e M. M. Senovilla","submitted_at":"2014-10-20T10:57:29Z","abstract_excerpt":"We review the first modern singularity theorem, published by Penrose in 1965. This is the first genuine post-Einstenian result in General Relativity, where the fundamental and fruitful concept of closed trapped surface was introduced. We include historical remarks, an appraisal of the theorem's impact, and relevant current and future work that belongs to its legacy."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.5226","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":"2026-05-18T01:46:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vBzVgNmFtHpHJlCnA7OCjt4Xu5nYtVlvWTYtPZzAHVvKC2uU3DrKEBMFMlHOJ+KTTshNlHpm9x0tfImGRqrhDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T08:33:29.085032Z"},"content_sha256":"36ff8855b3100b32c6c34ede8fc0dab8d0d866907965e785a839c5387e59e9d6","schema_version":"1.0","event_id":"sha256:36ff8855b3100b32c6c34ede8fc0dab8d0d866907965e785a839c5387e59e9d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5BNRE2OG5ZKGB7E7EFJRP5E7WS/bundle.json","state_url":"https://pith.science/pith/5BNRE2OG5ZKGB7E7EFJRP5E7WS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5BNRE2OG5ZKGB7E7EFJRP5E7WS/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":"2026-06-11T08:33:29Z","links":{"resolver":"https://pith.science/pith/5BNRE2OG5ZKGB7E7EFJRP5E7WS","bundle":"https://pith.science/pith/5BNRE2OG5ZKGB7E7EFJRP5E7WS/bundle.json","state":"https://pith.science/pith/5BNRE2OG5ZKGB7E7EFJRP5E7WS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5BNRE2OG5ZKGB7E7EFJRP5E7WS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:5BNRE2OG5ZKGB7E7EFJRP5E7WS","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":"61cc18ead12eacb318f8e02dc8738b7732886ed0e80625818497593cca6ebf74","cross_cats_sorted":["hep-th","math-ph","math.MP","physics.hist-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-10-20T10:57:29Z","title_canon_sha256":"7001814ce5101190c6b55a8462ca1738ec7b205bbdb9d5532167c5b18ab5e825"},"schema_version":"1.0","source":{"id":"1410.5226","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.5226","created_at":"2026-05-18T01:46:22Z"},{"alias_kind":"arxiv_version","alias_value":"1410.5226v2","created_at":"2026-05-18T01:46:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.5226","created_at":"2026-05-18T01:46:22Z"},{"alias_kind":"pith_short_12","alias_value":"5BNRE2OG5ZKG","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"5BNRE2OG5ZKGB7E7","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"5BNRE2OG","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:36ff8855b3100b32c6c34ede8fc0dab8d0d866907965e785a839c5387e59e9d6","target":"graph","created_at":"2026-05-18T01:46:22Z","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":"We review the first modern singularity theorem, published by Penrose in 1965. This is the first genuine post-Einstenian result in General Relativity, where the fundamental and fruitful concept of closed trapped surface was introduced. We include historical remarks, an appraisal of the theorem's impact, and relevant current and future work that belongs to its legacy.","authors_text":"David Garfinkle, Jos\\'e M. M. Senovilla","cross_cats":["hep-th","math-ph","math.MP","physics.hist-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-10-20T10:57:29Z","title":"The 1965 Penrose singularity theorem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.5226","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":"sha256:540803f69c92659bb9958c209dadb0793c529abc83d289aac1417400da29db21","target":"record","created_at":"2026-05-18T01:46:22Z","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":"61cc18ead12eacb318f8e02dc8738b7732886ed0e80625818497593cca6ebf74","cross_cats_sorted":["hep-th","math-ph","math.MP","physics.hist-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-10-20T10:57:29Z","title_canon_sha256":"7001814ce5101190c6b55a8462ca1738ec7b205bbdb9d5532167c5b18ab5e825"},"schema_version":"1.0","source":{"id":"1410.5226","kind":"arxiv","version":2}},"canonical_sha256":"e85b1269c6ee5460fc9f215317f49fb48e98ade6ad3956d03e8f82e4a62c76cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e85b1269c6ee5460fc9f215317f49fb48e98ade6ad3956d03e8f82e4a62c76cd","first_computed_at":"2026-05-18T01:46:22.291947Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:22.291947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5uAV3WfRfxgDWbbtqEDT/PUWRESEkyvKOSgjIKHhZEoeJ8oCxD/unbV0dOgQXx+DuyH6vr7iloksTGNnI/x7AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:22.292522Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.5226","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:540803f69c92659bb9958c209dadb0793c529abc83d289aac1417400da29db21","sha256:36ff8855b3100b32c6c34ede8fc0dab8d0d866907965e785a839c5387e59e9d6"],"state_sha256":"160ec2039fcbd0a86fd533e9d129d125d81ab3bb1a0f272df2ac2ae318cb9c0a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GYArDmHZXaPsVekJJFj/N7fpgOtjN4R0NHtAun1DGVQSwKIcMpHN0/0RrFTMV8BZ+auH716SycK7ITIIPc6KCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T08:33:29.087285Z","bundle_sha256":"397037024cd939d0a824d689cda8d28ae9eaa5c6b79fcb9f187a48f1d3f724a2"}}