{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:YGERWTWHYAJHHXJRY7NACSJY6I","short_pith_number":"pith:YGERWTWH","canonical_record":{"source":{"id":"gr-qc/9902008","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1999-02-02T08:59:39Z","cross_cats_sorted":[],"title_canon_sha256":"3d527f8790a8724f6a3b17e8d15e535d5b226f68e67d8dfa078c9c5fe825795d","abstract_canon_sha256":"c6e7397bfd245fb908c744ca0f967a2fba9e2c4e4e54cf5781d986677186ded8"},"schema_version":"1.0"},"canonical_sha256":"c1891b4ec7c01273dd31c7da014938f21c1e1c0fc57a6115e9136980f03d4c1c","source":{"kind":"arxiv","id":"gr-qc/9902008","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9902008","created_at":"2026-05-18T01:39:18Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9902008v1","created_at":"2026-05-18T01:39:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9902008","created_at":"2026-05-18T01:39:18Z"},{"alias_kind":"pith_short_12","alias_value":"YGERWTWHYAJH","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"YGERWTWHYAJHHXJR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"YGERWTWH","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:YGERWTWHYAJHHXJRY7NACSJY6I","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/9902008","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1999-02-02T08:59:39Z","cross_cats_sorted":[],"title_canon_sha256":"3d527f8790a8724f6a3b17e8d15e535d5b226f68e67d8dfa078c9c5fe825795d","abstract_canon_sha256":"c6e7397bfd245fb908c744ca0f967a2fba9e2c4e4e54cf5781d986677186ded8"},"schema_version":"1.0"},"canonical_sha256":"c1891b4ec7c01273dd31c7da014938f21c1e1c0fc57a6115e9136980f03d4c1c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:18.159392Z","signature_b64":"ftM748QbRPD9hzU7oEiVokBIF4dglvEt/3daO2idX5GyTIVrBjBZhyBgq9Y2XBMcnjivFR9eRL/73B2UdWLDCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1891b4ec7c01273dd31c7da014938f21c1e1c0fc57a6115e9136980f03d4c1c","last_reissued_at":"2026-05-18T01:39:18.158797Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:18.158797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/9902008","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":"2026-05-18T01:39:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gNLn5ujpMglG1j1ds++qT5ZrgRdLSLaZuA61lxs3jmA6aVyRkio/D9XNfpcx9kfo+7mOyPGK4WWO8j/PTyP2Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T01:20:13.827214Z"},"content_sha256":"a69fa74f07b5f60d909d034bc6f0f295f464b3ed21acfb699faa4774016b9391","schema_version":"1.0","event_id":"sha256:a69fa74f07b5f60d909d034bc6f0f295f464b3ed21acfb699faa4774016b9391"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:YGERWTWHYAJHHXJRY7NACSJY6I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Inner Structure of Black Holes","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Shahar Hod, Tsvi Piran","submitted_at":"1999-02-02T08:59:39Z","abstract_excerpt":"We study the gravitational collapse of a self-gravitating charged scalar-field. Starting with a regular spacetime, we follow the evolution through the formation of an apparent horizon, a Cauchy horizon and a final central singularity. We find a null, weak, mass-inflation singularity along the Cauchy horizon, which is a precursor of a strong, spacelike singularity along the $r=0$ hypersurface. The inner black hole region is bounded (in the future) by singularities. This resembles the classical inner structure of a Schwarzschild black hole and it is remarkably different from the inner structure "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9902008","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":""},"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":"2026-05-18T01:39:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tVdQ8Qi3a6NMLEV9074WcUoKBbG7yTZD7tJkFxhH/8u4bQcXrFFoMFhIhXi1ErTjkGgZaZ7hYpCqRhaj4xIPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T01:20:13.827569Z"},"content_sha256":"27fc2012fb73a6847384f80b97c1118b7683bc9ad40e11daa75ebb633e5c33ff","schema_version":"1.0","event_id":"sha256:27fc2012fb73a6847384f80b97c1118b7683bc9ad40e11daa75ebb633e5c33ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YGERWTWHYAJHHXJRY7NACSJY6I/bundle.json","state_url":"https://pith.science/pith/YGERWTWHYAJHHXJRY7NACSJY6I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YGERWTWHYAJHHXJRY7NACSJY6I/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":"2026-06-02T01:20:13Z","links":{"resolver":"https://pith.science/pith/YGERWTWHYAJHHXJRY7NACSJY6I","bundle":"https://pith.science/pith/YGERWTWHYAJHHXJRY7NACSJY6I/bundle.json","state":"https://pith.science/pith/YGERWTWHYAJHHXJRY7NACSJY6I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YGERWTWHYAJHHXJRY7NACSJY6I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:YGERWTWHYAJHHXJRY7NACSJY6I","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":"c6e7397bfd245fb908c744ca0f967a2fba9e2c4e4e54cf5781d986677186ded8","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1999-02-02T08:59:39Z","title_canon_sha256":"3d527f8790a8724f6a3b17e8d15e535d5b226f68e67d8dfa078c9c5fe825795d"},"schema_version":"1.0","source":{"id":"gr-qc/9902008","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9902008","created_at":"2026-05-18T01:39:18Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9902008v1","created_at":"2026-05-18T01:39:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9902008","created_at":"2026-05-18T01:39:18Z"},{"alias_kind":"pith_short_12","alias_value":"YGERWTWHYAJH","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"YGERWTWHYAJHHXJR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"YGERWTWH","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:27fc2012fb73a6847384f80b97c1118b7683bc9ad40e11daa75ebb633e5c33ff","target":"graph","created_at":"2026-05-18T01:39:18Z","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 study the gravitational collapse of a self-gravitating charged scalar-field. Starting with a regular spacetime, we follow the evolution through the formation of an apparent horizon, a Cauchy horizon and a final central singularity. We find a null, weak, mass-inflation singularity along the Cauchy horizon, which is a precursor of a strong, spacelike singularity along the $r=0$ hypersurface. The inner black hole region is bounded (in the future) by singularities. This resembles the classical inner structure of a Schwarzschild black hole and it is remarkably different from the inner structure ","authors_text":"Shahar Hod, Tsvi Piran","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1999-02-02T08:59:39Z","title":"The Inner Structure of Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9902008","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:a69fa74f07b5f60d909d034bc6f0f295f464b3ed21acfb699faa4774016b9391","target":"record","created_at":"2026-05-18T01:39:18Z","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":"c6e7397bfd245fb908c744ca0f967a2fba9e2c4e4e54cf5781d986677186ded8","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1999-02-02T08:59:39Z","title_canon_sha256":"3d527f8790a8724f6a3b17e8d15e535d5b226f68e67d8dfa078c9c5fe825795d"},"schema_version":"1.0","source":{"id":"gr-qc/9902008","kind":"arxiv","version":1}},"canonical_sha256":"c1891b4ec7c01273dd31c7da014938f21c1e1c0fc57a6115e9136980f03d4c1c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1891b4ec7c01273dd31c7da014938f21c1e1c0fc57a6115e9136980f03d4c1c","first_computed_at":"2026-05-18T01:39:18.158797Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:18.158797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ftM748QbRPD9hzU7oEiVokBIF4dglvEt/3daO2idX5GyTIVrBjBZhyBgq9Y2XBMcnjivFR9eRL/73B2UdWLDCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:18.159392Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9902008","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a69fa74f07b5f60d909d034bc6f0f295f464b3ed21acfb699faa4774016b9391","sha256:27fc2012fb73a6847384f80b97c1118b7683bc9ad40e11daa75ebb633e5c33ff"],"state_sha256":"e02ebf23966665f88905651475596aa2f20757e3cb008d34eccb146a516bd80e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pf39y489bdiNfWg/i4hPV+f6Rnpaj/CMH8kRH8WTmk0/zBxhmnLako0EJk+Qh7I65tnPF/cO+8aOivcnD1NfDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T01:20:13.829494Z","bundle_sha256":"f401815f6d4aa5bb96353d1d345f0d8f96e768923ffeadc2c3c54b5562ee102a"}}