{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:KW7THHBZ3QJ2KWW56PBAZ2T7HI","short_pith_number":"pith:KW7THHBZ","schema_version":"1.0","canonical_sha256":"55bf339c39dc13a55addf3c20cea7f3a16c5793ac311cdadc01cec7a40c8c37e","source":{"kind":"arxiv","id":"1711.01992","version":2},"attestation_state":"computed","paper":{"title":"General theories of linear gravitational perturbations to a Schwarzschild Black Hole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Macarena Lagos, Oliver J. Tattersall, Pedro G. Ferreira","submitted_at":"2017-11-06T16:24:14Z","abstract_excerpt":"We use the covariant formulation proposed in Tattersall et al (2017) to analyse the structure of linear perturbations about a spherically symmetric background in different families of gravity theories, and hence study how quasi-normal modes of perturbed black holes may be affected by modifications to General Relativity. We restrict ourselves to single-tensor, scalar-tensor and vector-tensor diffeomorphism-invariant gravity models in a Schwarzschild black hole background. We show explicitly the full covariant form of the quadratic actions in such cases, which allow us to then analyse odd parity"},"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":"1711.01992","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-11-06T16:24:14Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"04a5f4c29d5bc32edc80792c92ba0b5e47ef04a0b285b6fc632a62ef8a623ad5","abstract_canon_sha256":"5d8740776a0bc41038640ac0fa8cdcf11ba3189ddf23883268b3c42edad9686c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:58.012391Z","signature_b64":"MXUznQgrPhK10JvmvT/bteU1GMRX90RlE2Z2Da8AdIJQsA8n6N2qTOiChu2AZiHBMz0XLnG47TEWUNpNWqR4Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55bf339c39dc13a55addf3c20cea7f3a16c5793ac311cdadc01cec7a40c8c37e","last_reissued_at":"2026-05-18T00:22:58.011714Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:58.011714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"General theories of linear gravitational perturbations to a Schwarzschild Black Hole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Macarena Lagos, Oliver J. Tattersall, Pedro G. Ferreira","submitted_at":"2017-11-06T16:24:14Z","abstract_excerpt":"We use the covariant formulation proposed in Tattersall et al (2017) to analyse the structure of linear perturbations about a spherically symmetric background in different families of gravity theories, and hence study how quasi-normal modes of perturbed black holes may be affected by modifications to General Relativity. We restrict ourselves to single-tensor, scalar-tensor and vector-tensor diffeomorphism-invariant gravity models in a Schwarzschild black hole background. We show explicitly the full covariant form of the quadratic actions in such cases, which allow us to then analyse odd parity"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.01992","kind":"arxiv","version":2},"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":"1711.01992","created_at":"2026-05-18T00:22:58.011808+00:00"},{"alias_kind":"arxiv_version","alias_value":"1711.01992v2","created_at":"2026-05-18T00:22:58.011808+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.01992","created_at":"2026-05-18T00:22:58.011808+00:00"},{"alias_kind":"pith_short_12","alias_value":"KW7THHBZ3QJ2","created_at":"2026-05-18T12:31:28.150371+00:00"},{"alias_kind":"pith_short_16","alias_value":"KW7THHBZ3QJ2KWW5","created_at":"2026-05-18T12:31:28.150371+00:00"},{"alias_kind":"pith_short_8","alias_value":"KW7THHBZ","created_at":"2026-05-18T12:31:28.150371+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2603.23634","citing_title":"Testing Dark Energy with Black Hole Ringdown","ref_index":68,"is_internal_anchor":true},{"citing_arxiv_id":"1904.05363","citing_title":"Testing the nature of dark compact objects: a status report","ref_index":299,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KW7THHBZ3QJ2KWW56PBAZ2T7HI","json":"https://pith.science/pith/KW7THHBZ3QJ2KWW56PBAZ2T7HI.json","graph_json":"https://pith.science/api/pith-number/KW7THHBZ3QJ2KWW56PBAZ2T7HI/graph.json","events_json":"https://pith.science/api/pith-number/KW7THHBZ3QJ2KWW56PBAZ2T7HI/events.json","paper":"https://pith.science/paper/KW7THHBZ"},"agent_actions":{"view_html":"https://pith.science/pith/KW7THHBZ3QJ2KWW56PBAZ2T7HI","download_json":"https://pith.science/pith/KW7THHBZ3QJ2KWW56PBAZ2T7HI.json","view_paper":"https://pith.science/paper/KW7THHBZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1711.01992&json=true","fetch_graph":"https://pith.science/api/pith-number/KW7THHBZ3QJ2KWW56PBAZ2T7HI/graph.json","fetch_events":"https://pith.science/api/pith-number/KW7THHBZ3QJ2KWW56PBAZ2T7HI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KW7THHBZ3QJ2KWW56PBAZ2T7HI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KW7THHBZ3QJ2KWW56PBAZ2T7HI/action/storage_attestation","attest_author":"https://pith.science/pith/KW7THHBZ3QJ2KWW56PBAZ2T7HI/action/author_attestation","sign_citation":"https://pith.science/pith/KW7THHBZ3QJ2KWW56PBAZ2T7HI/action/citation_signature","submit_replication":"https://pith.science/pith/KW7THHBZ3QJ2KWW56PBAZ2T7HI/action/replication_record"}},"created_at":"2026-05-18T00:22:58.011808+00:00","updated_at":"2026-05-18T00:22:58.011808+00:00"}