{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:MPKHIQIIKH4FQ6P525BBYN3PW5","short_pith_number":"pith:MPKHIQII","schema_version":"1.0","canonical_sha256":"63d474410851f85879fdd7421c376fb767f16e467ca492ca845aaf833f18be24","source":{"kind":"arxiv","id":"1907.08788","version":2},"attestation_state":"computed","paper":{"title":"Universal Black Holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Marcello Ortaggio, Sigbj{\\o}rn Hervik","submitted_at":"2019-07-20T09:59:08Z","abstract_excerpt":"We prove that a generalized Schwarzschild-like ansatz can be consistently employed to construct $d$-dimensional static vacuum black hole solutions in any metric theory of gravity for which the Lagrangian is a scalar invariant constructed from the Riemann tensor and its covariant derivatives of arbitrary order. Namely, we show that, apart from containing two arbitrary functions $a(r)$ and $f(r)$ (essentially, the $g_{tt}$ and $g_{rr}$ components), in any such theory the line-element may admit as a base space {\\em any} isotropy-irreducible homogeneous space. Technically, this ensures that the fi"},"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":"1907.08788","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-07-20T09:59:08Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"efea75c0937162d5d4a5be09913de56942f0a0e76104d801ea884a05d8df38a0","abstract_canon_sha256":"bea11960272192b6524a5376a23a5248186f4e084acc4e0dc7fadb01a1987a5a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:42:19.840359Z","signature_b64":"8ep68M39kaOuxucC2e3YDzbtWK6xdEpFggoq4jihiLhfxXLRx9MioXGe2Bsa95Fh8pByAtTQsU+QoQar+nW0Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63d474410851f85879fdd7421c376fb767f16e467ca492ca845aaf833f18be24","last_reissued_at":"2026-07-05T00:42:19.839930Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:42:19.839930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Universal Black Holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Marcello Ortaggio, Sigbj{\\o}rn Hervik","submitted_at":"2019-07-20T09:59:08Z","abstract_excerpt":"We prove that a generalized Schwarzschild-like ansatz can be consistently employed to construct $d$-dimensional static vacuum black hole solutions in any metric theory of gravity for which the Lagrangian is a scalar invariant constructed from the Riemann tensor and its covariant derivatives of arbitrary order. Namely, we show that, apart from containing two arbitrary functions $a(r)$ and $f(r)$ (essentially, the $g_{tt}$ and $g_{rr}$ components), in any such theory the line-element may admit as a base space {\\em any} isotropy-irreducible homogeneous space. Technically, this ensures that the fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.08788","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1907.08788/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":"1907.08788","created_at":"2026-07-05T00:42:19.839986+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.08788v2","created_at":"2026-07-05T00:42:19.839986+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.08788","created_at":"2026-07-05T00:42:19.839986+00:00"},{"alias_kind":"pith_short_12","alias_value":"MPKHIQIIKH4F","created_at":"2026-07-05T00:42:19.839986+00:00"},{"alias_kind":"pith_short_16","alias_value":"MPKHIQIIKH4FQ6P5","created_at":"2026-07-05T00:42:19.839986+00:00"},{"alias_kind":"pith_short_8","alias_value":"MPKHIQII","created_at":"2026-07-05T00:42:19.839986+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.27980","citing_title":"On mass inflation and thin shells in quasi-topological gravity","ref_index":49,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MPKHIQIIKH4FQ6P525BBYN3PW5","json":"https://pith.science/pith/MPKHIQIIKH4FQ6P525BBYN3PW5.json","graph_json":"https://pith.science/api/pith-number/MPKHIQIIKH4FQ6P525BBYN3PW5/graph.json","events_json":"https://pith.science/api/pith-number/MPKHIQIIKH4FQ6P525BBYN3PW5/events.json","paper":"https://pith.science/paper/MPKHIQII"},"agent_actions":{"view_html":"https://pith.science/pith/MPKHIQIIKH4FQ6P525BBYN3PW5","download_json":"https://pith.science/pith/MPKHIQIIKH4FQ6P525BBYN3PW5.json","view_paper":"https://pith.science/paper/MPKHIQII","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.08788&json=true","fetch_graph":"https://pith.science/api/pith-number/MPKHIQIIKH4FQ6P525BBYN3PW5/graph.json","fetch_events":"https://pith.science/api/pith-number/MPKHIQIIKH4FQ6P525BBYN3PW5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MPKHIQIIKH4FQ6P525BBYN3PW5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MPKHIQIIKH4FQ6P525BBYN3PW5/action/storage_attestation","attest_author":"https://pith.science/pith/MPKHIQIIKH4FQ6P525BBYN3PW5/action/author_attestation","sign_citation":"https://pith.science/pith/MPKHIQIIKH4FQ6P525BBYN3PW5/action/citation_signature","submit_replication":"https://pith.science/pith/MPKHIQIIKH4FQ6P525BBYN3PW5/action/replication_record"}},"created_at":"2026-07-05T00:42:19.839986+00:00","updated_at":"2026-07-05T00:42:19.839986+00:00"}