{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1993:2ZHGYGZ7VIPKALU2H5ZJ3HQPM5","short_pith_number":"pith:2ZHGYGZ7","schema_version":"1.0","canonical_sha256":"d64e6c1b3faa1ea02e9a3f729d9e0f675ef75712f6ce8ea750ad79053bd4e99d","source":{"kind":"arxiv","id":"gr-qc/9304007","version":1},"attestation_state":"computed","paper":{"title":"Global Structure of a Black-Hole Cosmos and its Extremes","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Dieter R. Brill, Sean A. Hayward","submitted_at":"1993-04-06T13:41:27Z","abstract_excerpt":"We analyze the global structure of a family of Einstein-Maxwell solutions parametrized by mass, charge and cosmological constant. In a qualitative classification there are: (i) generic black-hole solutions, describing a Wheeler wormhole in a closed cosmos of spatial topology $S^2\\times S^1$; (ii) generic naked-singularity solutions, describing a pair of ``point\" charges in a closed cosmos; (iii) extreme black-hole solutions, describing a pair of ``horned\" particles in an otherwise closed cosmos; (iv) extreme naked-singularity solutions, in which a pair of point charges forms and then evaporate"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"gr-qc/9304007","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1993-04-06T13:41:27Z","cross_cats_sorted":[],"title_canon_sha256":"1948b522680b2e461c27643d4bb618059f78f60636f04c466db46b0301b3cd5b","abstract_canon_sha256":"5cc482541f47d7ad86ad04a05f3335c0352c3199e6d3b213418802d4cd0e67e2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:25:34.798244Z","signature_b64":"+bt9zQZ3+97WbMHRPBIgyp8X5A7CQYZ17ux+3FeGDA/5bS3IlsY7ROE2VGyGYbSGoFTRhjmps9OVVfpMMsDFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d64e6c1b3faa1ea02e9a3f729d9e0f675ef75712f6ce8ea750ad79053bd4e99d","last_reissued_at":"2026-07-04T17:25:34.797813Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:25:34.797813Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Global Structure of a Black-Hole Cosmos and its Extremes","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Dieter R. Brill, Sean A. Hayward","submitted_at":"1993-04-06T13:41:27Z","abstract_excerpt":"We analyze the global structure of a family of Einstein-Maxwell solutions parametrized by mass, charge and cosmological constant. In a qualitative classification there are: (i) generic black-hole solutions, describing a Wheeler wormhole in a closed cosmos of spatial topology $S^2\\times S^1$; (ii) generic naked-singularity solutions, describing a pair of ``point\" charges in a closed cosmos; (iii) extreme black-hole solutions, describing a pair of ``horned\" particles in an otherwise closed cosmos; (iv) extreme naked-singularity solutions, in which a pair of point charges forms and then evaporate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9304007","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/9304007/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9304007","created_at":"2026-07-04T17:25:34.797876+00:00"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9304007v1","created_at":"2026-07-04T17:25:34.797876+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9304007","created_at":"2026-07-04T17:25:34.797876+00:00"},{"alias_kind":"pith_short_12","alias_value":"2ZHGYGZ7VIPK","created_at":"2026-07-04T17:25:34.797876+00:00"},{"alias_kind":"pith_short_16","alias_value":"2ZHGYGZ7VIPKALU2","created_at":"2026-07-04T17:25:34.797876+00:00"},{"alias_kind":"pith_short_8","alias_value":"2ZHGYGZ7","created_at":"2026-07-04T17:25:34.797876+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.14834","citing_title":"Quasinormal frequencies in Reissner-Nordstr\\\"om de Sitter black holes: constraints from space-time and scalar field parameters","ref_index":31,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5","json":"https://pith.science/pith/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5.json","graph_json":"https://pith.science/api/pith-number/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5/graph.json","events_json":"https://pith.science/api/pith-number/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5/events.json","paper":"https://pith.science/paper/2ZHGYGZ7"},"agent_actions":{"view_html":"https://pith.science/pith/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5","download_json":"https://pith.science/pith/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5.json","view_paper":"https://pith.science/paper/2ZHGYGZ7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=gr-qc/9304007&json=true","fetch_graph":"https://pith.science/api/pith-number/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5/graph.json","fetch_events":"https://pith.science/api/pith-number/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5/action/storage_attestation","attest_author":"https://pith.science/pith/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5/action/author_attestation","sign_citation":"https://pith.science/pith/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5/action/citation_signature","submit_replication":"https://pith.science/pith/2ZHGYGZ7VIPKALU2H5ZJ3HQPM5/action/replication_record"}},"created_at":"2026-07-04T17:25:34.797876+00:00","updated_at":"2026-07-04T17:25:34.797876+00:00"}