{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1994:7ECNEIJ2JJF7M2NWAGPLGSFQ2W","short_pith_number":"pith:7ECNEIJ2","schema_version":"1.0","canonical_sha256":"f904d2213a4a4bf669b6019eb348b0d594c44d3f269e571aa6f380b5c3c62e35","source":{"kind":"arxiv","id":"hep-th/9407118","version":3},"attestation_state":"computed","paper":{"title":"Topology, Entropy and Witten Index of Dilaton Black Holes","license":"","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"G.W. Gibbons, R.E. Kallosh","submitted_at":"1994-07-20T05:26:49Z","abstract_excerpt":"We have found that for extreme dilaton black holes an inner boundary must be introduced in addition to the outer boundary to give an integer value to the Euler number. The resulting manifolds have (if one identifies imaginary time) topology $S^1 \\times R \\times S^2 $ and Euler number $\\chi = 0$ in contrast to the non-extreme case with $\\chi=2$. The entropy of extreme $U(1)$ dilaton black holes is already known to be zero. We include a review of some recent ideas due to Hawking on the Reissner-Nordstr\\\"om case. By regarding all extreme black holes as having an inner boundary, we conclude that t"},"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":"hep-th/9407118","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1994-07-20T05:26:49Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"104a301757e0d1f4356e3be1c61f934ace763043f586add1e828d29fe4558263","abstract_canon_sha256":"c1c979095a1a4ad3ca64f1b9dbf4aa2648c97d12afad03a9d9012014d47d94c5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:50:53.994641Z","signature_b64":"LF9u7+XXf9Zpb/iMBnBpn4jBlu18aTa6U//oTIEIF8inxiDkrS1YP1/Hxjw2U5JcMmJe/UApUqQ77Gv3avgaAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f904d2213a4a4bf669b6019eb348b0d594c44d3f269e571aa6f380b5c3c62e35","last_reissued_at":"2026-07-04T15:50:53.994285Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:50:53.994285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topology, Entropy and Witten Index of Dilaton Black Holes","license":"","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"G.W. Gibbons, R.E. Kallosh","submitted_at":"1994-07-20T05:26:49Z","abstract_excerpt":"We have found that for extreme dilaton black holes an inner boundary must be introduced in addition to the outer boundary to give an integer value to the Euler number. The resulting manifolds have (if one identifies imaginary time) topology $S^1 \\times R \\times S^2 $ and Euler number $\\chi = 0$ in contrast to the non-extreme case with $\\chi=2$. The entropy of extreme $U(1)$ dilaton black holes is already known to be zero. We include a review of some recent ideas due to Hawking on the Reissner-Nordstr\\\"om case. By regarding all extreme black holes as having an inner boundary, we conclude that t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9407118","kind":"arxiv","version":3},"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/hep-th/9407118/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":"hep-th/9407118","created_at":"2026-07-04T15:50:53.994348+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9407118v3","created_at":"2026-07-04T15:50:53.994348+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9407118","created_at":"2026-07-04T15:50:53.994348+00:00"},{"alias_kind":"pith_short_12","alias_value":"7ECNEIJ2JJF7","created_at":"2026-07-04T15:50:53.994348+00:00"},{"alias_kind":"pith_short_16","alias_value":"7ECNEIJ2JJF7M2NW","created_at":"2026-07-04T15:50:53.994348+00:00"},{"alias_kind":"pith_short_8","alias_value":"7ECNEIJ2","created_at":"2026-07-04T15:50:53.994348+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2606.26174","citing_title":"Electrically Charged Distorted Black Holes: Thermodynamics, Particle Dynamics, and Quasinormal Signatures","ref_index":36,"is_internal_anchor":true},{"citing_arxiv_id":"2605.20349","citing_title":"The fate of Reissner--Nordstr\\\"om--de Sitter black holes: nonequilibrium discharge and evaporation","ref_index":22,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7ECNEIJ2JJF7M2NWAGPLGSFQ2W","json":"https://pith.science/pith/7ECNEIJ2JJF7M2NWAGPLGSFQ2W.json","graph_json":"https://pith.science/api/pith-number/7ECNEIJ2JJF7M2NWAGPLGSFQ2W/graph.json","events_json":"https://pith.science/api/pith-number/7ECNEIJ2JJF7M2NWAGPLGSFQ2W/events.json","paper":"https://pith.science/paper/7ECNEIJ2"},"agent_actions":{"view_html":"https://pith.science/pith/7ECNEIJ2JJF7M2NWAGPLGSFQ2W","download_json":"https://pith.science/pith/7ECNEIJ2JJF7M2NWAGPLGSFQ2W.json","view_paper":"https://pith.science/paper/7ECNEIJ2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-th/9407118&json=true","fetch_graph":"https://pith.science/api/pith-number/7ECNEIJ2JJF7M2NWAGPLGSFQ2W/graph.json","fetch_events":"https://pith.science/api/pith-number/7ECNEIJ2JJF7M2NWAGPLGSFQ2W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7ECNEIJ2JJF7M2NWAGPLGSFQ2W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7ECNEIJ2JJF7M2NWAGPLGSFQ2W/action/storage_attestation","attest_author":"https://pith.science/pith/7ECNEIJ2JJF7M2NWAGPLGSFQ2W/action/author_attestation","sign_citation":"https://pith.science/pith/7ECNEIJ2JJF7M2NWAGPLGSFQ2W/action/citation_signature","submit_replication":"https://pith.science/pith/7ECNEIJ2JJF7M2NWAGPLGSFQ2W/action/replication_record"}},"created_at":"2026-07-04T15:50:53.994348+00:00","updated_at":"2026-07-04T15:50:53.994348+00:00"}