{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:V56JYK5GVFBUCG5ZZKSW7RDAT3","short_pith_number":"pith:V56JYK5G","schema_version":"1.0","canonical_sha256":"af7c9c2ba6a943411bb9caa56fc4609efa150b4ff128c249808f96b93859ed70","source":{"kind":"arxiv","id":"gr-qc/0003031","version":1},"attestation_state":"computed","paper":{"title":"Making use of geometrical invariants in black hole collisions","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"J. Baker, M. Campanelli (AEI-Golm)","submitted_at":"2000-03-08T16:15:15Z","abstract_excerpt":"We consider curvature invariants in the context of black hole collision simulations. In particular, we propose a simple and elegant combination of the Weyl invariants I and J, the {\\sl speciality index} ${\\cal S}$. In the context of black hole perturbations $\\cal S$ provides a measure of the size of the distortions from an ideal Kerr black hole spacetime. Explicit calculations in well-known examples of axisymmetric black hole collisions demonstrate that this quantity may serve as a useful tool for predicting in which cases perturbative dynamics provide an accurate estimate of the radiation wav"},"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/0003031","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2000-03-08T16:15:15Z","cross_cats_sorted":[],"title_canon_sha256":"6225ecff1b3c21df3adc399458715b8f191d155dda845dfef6ac46390cf14184","abstract_canon_sha256":"81bc5f427997c45b0453599a1d7e243d1c9b83dc3a000384f7fbd479ccdca6f1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:19:36.673340Z","signature_b64":"deiakVL07IKKEZrsXf61mgDHwt7Q3fe2f9GIqWFccjfoIhSSHHB2glydOBJqrgd8Y5TuAIcd+4r/BKbqZZByBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af7c9c2ba6a943411bb9caa56fc4609efa150b4ff128c249808f96b93859ed70","last_reissued_at":"2026-07-04T16:19:36.672937Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:19:36.672937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Making use of geometrical invariants in black hole collisions","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"J. Baker, M. Campanelli (AEI-Golm)","submitted_at":"2000-03-08T16:15:15Z","abstract_excerpt":"We consider curvature invariants in the context of black hole collision simulations. In particular, we propose a simple and elegant combination of the Weyl invariants I and J, the {\\sl speciality index} ${\\cal S}$. In the context of black hole perturbations $\\cal S$ provides a measure of the size of the distortions from an ideal Kerr black hole spacetime. Explicit calculations in well-known examples of axisymmetric black hole collisions demonstrate that this quantity may serve as a useful tool for predicting in which cases perturbative dynamics provide an accurate estimate of the radiation wav"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0003031","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/0003031/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/0003031","created_at":"2026-07-04T16:19:36.673000+00:00"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0003031v1","created_at":"2026-07-04T16:19:36.673000+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0003031","created_at":"2026-07-04T16:19:36.673000+00:00"},{"alias_kind":"pith_short_12","alias_value":"V56JYK5GVFBU","created_at":"2026-07-04T16:19:36.673000+00:00"},{"alias_kind":"pith_short_16","alias_value":"V56JYK5GVFBUCG5Z","created_at":"2026-07-04T16:19:36.673000+00:00"},{"alias_kind":"pith_short_8","alias_value":"V56JYK5G","created_at":"2026-07-04T16:19:36.673000+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2608.08550","citing_title":"Charged Kerr--Levi-Civita geometries in Einstein--Maxwell and low-energy heterotic string theory","ref_index":38,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/V56JYK5GVFBUCG5ZZKSW7RDAT3","json":"https://pith.science/pith/V56JYK5GVFBUCG5ZZKSW7RDAT3.json","graph_json":"https://pith.science/api/pith-number/V56JYK5GVFBUCG5ZZKSW7RDAT3/graph.json","events_json":"https://pith.science/api/pith-number/V56JYK5GVFBUCG5ZZKSW7RDAT3/events.json","paper":"https://pith.science/paper/V56JYK5G"},"agent_actions":{"view_html":"https://pith.science/pith/V56JYK5GVFBUCG5ZZKSW7RDAT3","download_json":"https://pith.science/pith/V56JYK5GVFBUCG5ZZKSW7RDAT3.json","view_paper":"https://pith.science/paper/V56JYK5G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=gr-qc/0003031&json=true","fetch_graph":"https://pith.science/api/pith-number/V56JYK5GVFBUCG5ZZKSW7RDAT3/graph.json","fetch_events":"https://pith.science/api/pith-number/V56JYK5GVFBUCG5ZZKSW7RDAT3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V56JYK5GVFBUCG5ZZKSW7RDAT3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V56JYK5GVFBUCG5ZZKSW7RDAT3/action/storage_attestation","attest_author":"https://pith.science/pith/V56JYK5GVFBUCG5ZZKSW7RDAT3/action/author_attestation","sign_citation":"https://pith.science/pith/V56JYK5GVFBUCG5ZZKSW7RDAT3/action/citation_signature","submit_replication":"https://pith.science/pith/V56JYK5GVFBUCG5ZZKSW7RDAT3/action/replication_record"}},"created_at":"2026-07-04T16:19:36.673000+00:00","updated_at":"2026-07-04T16:19:36.673000+00:00"}