{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:AADANHZ3GIBRM5NP2ZIC4DKEAO","short_pith_number":"pith:AADANHZ3","schema_version":"1.0","canonical_sha256":"0006069f3b32031675afd6502e0d440396757082c59f89fe529c6b34d705663b","source":{"kind":"arxiv","id":"1706.00995","version":5},"attestation_state":"computed","paper":{"title":"Curvature invariant characterization of event horizons of four-dimensional black holes conformal to stationary black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"David D. McNutt","submitted_at":"2017-06-03T20:00:17Z","abstract_excerpt":"We introduce three approaches to generate curvature invariants that transform covariantly under a conformal transformation of a four dimensional spacetime. For any black hole conformally related to a stationary black hole, we show how a set of conformally covariant invariants can be combined to produce a conformally covariant invariant that detects the event horizon of the conformally related black hole. As an application we consider the rotating dynamical black holes conformally related to the Kerr-NUT-(Anti)-de Sitter spacetimes and construct an invariant that detects the conformal Killing h"},"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":"1706.00995","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-03T20:00:17Z","cross_cats_sorted":[],"title_canon_sha256":"c846459c81d13552082f511d42efdc9768317ff64322ea14fc545ceb5aaf5859","abstract_canon_sha256":"6181f86145cf06163b68d77c1f473363a58e4da08abfe3c61d2681dfb40e5e32"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:55.473288Z","signature_b64":"+3LyTkVc2EcTIBPxrvGlJkLFnSyyhU2uDZ/CvU93W7OPGfLl+U56Dn1xxEYHmtNEXrVRhZDjYSaPCTkU2kXlCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0006069f3b32031675afd6502e0d440396757082c59f89fe529c6b34d705663b","last_reissued_at":"2026-05-18T00:29:55.472878Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:55.472878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Curvature invariant characterization of event horizons of four-dimensional black holes conformal to stationary black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"David D. McNutt","submitted_at":"2017-06-03T20:00:17Z","abstract_excerpt":"We introduce three approaches to generate curvature invariants that transform covariantly under a conformal transformation of a four dimensional spacetime. For any black hole conformally related to a stationary black hole, we show how a set of conformally covariant invariants can be combined to produce a conformally covariant invariant that detects the event horizon of the conformally related black hole. As an application we consider the rotating dynamical black holes conformally related to the Kerr-NUT-(Anti)-de Sitter spacetimes and construct an invariant that detects the conformal Killing h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.00995","kind":"arxiv","version":5},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1706.00995","created_at":"2026-05-18T00:29:55.472944+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.00995v5","created_at":"2026-05-18T00:29:55.472944+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.00995","created_at":"2026-05-18T00:29:55.472944+00:00"},{"alias_kind":"pith_short_12","alias_value":"AADANHZ3GIBR","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_16","alias_value":"AADANHZ3GIBRM5NP","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_8","alias_value":"AADANHZ3","created_at":"2026-05-18T12:31:05.417338+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/AADANHZ3GIBRM5NP2ZIC4DKEAO","json":"https://pith.science/pith/AADANHZ3GIBRM5NP2ZIC4DKEAO.json","graph_json":"https://pith.science/api/pith-number/AADANHZ3GIBRM5NP2ZIC4DKEAO/graph.json","events_json":"https://pith.science/api/pith-number/AADANHZ3GIBRM5NP2ZIC4DKEAO/events.json","paper":"https://pith.science/paper/AADANHZ3"},"agent_actions":{"view_html":"https://pith.science/pith/AADANHZ3GIBRM5NP2ZIC4DKEAO","download_json":"https://pith.science/pith/AADANHZ3GIBRM5NP2ZIC4DKEAO.json","view_paper":"https://pith.science/paper/AADANHZ3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.00995&json=true","fetch_graph":"https://pith.science/api/pith-number/AADANHZ3GIBRM5NP2ZIC4DKEAO/graph.json","fetch_events":"https://pith.science/api/pith-number/AADANHZ3GIBRM5NP2ZIC4DKEAO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AADANHZ3GIBRM5NP2ZIC4DKEAO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AADANHZ3GIBRM5NP2ZIC4DKEAO/action/storage_attestation","attest_author":"https://pith.science/pith/AADANHZ3GIBRM5NP2ZIC4DKEAO/action/author_attestation","sign_citation":"https://pith.science/pith/AADANHZ3GIBRM5NP2ZIC4DKEAO/action/citation_signature","submit_replication":"https://pith.science/pith/AADANHZ3GIBRM5NP2ZIC4DKEAO/action/replication_record"}},"created_at":"2026-05-18T00:29:55.472944+00:00","updated_at":"2026-05-18T00:29:55.472944+00:00"}