{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:LPEGRFGQ3EOYN3RT3PUTGSIMK6","short_pith_number":"pith:LPEGRFGQ","schema_version":"1.0","canonical_sha256":"5bc86894d0d91d86ee33dbe933490c578fbc74ef62be0ba3a55a865a4b0c4439","source":{"kind":"arxiv","id":"2007.03264","version":2},"attestation_state":"computed","paper":{"title":"Weyl doubling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Bill Spence, David S. Berman, Rashid Alawadhi","submitted_at":"2020-07-07T08:02:42Z","abstract_excerpt":"We study a host of spacetimes where the Weyl curvature may be expressed algebraically in terms of an Abelian field strength. These include Type D spacetimes in four and higher dimensions which obey a simple quadratic relation between the field strength and the Weyl tensor, following the Weyl spinor double copy relation. However, we diverge from the usual double copy paradigm by taking the gauge fields to be in the curved spacetime as opposed to an auxiliary flat space.\n  We show how for Gibbons-Hawking spacetimes with more than two centres a generalisation of the Weyl doubling formula is neede"},"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":"2007.03264","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-07-07T08:02:42Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"a18890a4c68f91b9aaaa52eff2f5444ac64185e59135a28b9aecdbb52e46bc32","abstract_canon_sha256":"b4359c4c2269cbdf685960d4b2e0d5a9ce4d35efb60130a28b3693bc80cb1065"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:46:58.828934Z","signature_b64":"WtZ8STBBZivSNjsu3vRbdCwAXEvBVj1LFsL5xapGeoahDSCrSMMuKPp+/1nFf5ILE/sjY9BzHX4rYXFPFaL+Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5bc86894d0d91d86ee33dbe933490c578fbc74ef62be0ba3a55a865a4b0c4439","last_reissued_at":"2026-07-05T01:46:58.828520Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:46:58.828520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Weyl doubling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Bill Spence, David S. Berman, Rashid Alawadhi","submitted_at":"2020-07-07T08:02:42Z","abstract_excerpt":"We study a host of spacetimes where the Weyl curvature may be expressed algebraically in terms of an Abelian field strength. These include Type D spacetimes in four and higher dimensions which obey a simple quadratic relation between the field strength and the Weyl tensor, following the Weyl spinor double copy relation. However, we diverge from the usual double copy paradigm by taking the gauge fields to be in the curved spacetime as opposed to an auxiliary flat space.\n  We show how for Gibbons-Hawking spacetimes with more than two centres a generalisation of the Weyl doubling formula is neede"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.03264","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/2007.03264/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":"2007.03264","created_at":"2026-07-05T01:46:58.828574+00:00"},{"alias_kind":"arxiv_version","alias_value":"2007.03264v2","created_at":"2026-07-05T01:46:58.828574+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.03264","created_at":"2026-07-05T01:46:58.828574+00:00"},{"alias_kind":"pith_short_12","alias_value":"LPEGRFGQ3EOY","created_at":"2026-07-05T01:46:58.828574+00:00"},{"alias_kind":"pith_short_16","alias_value":"LPEGRFGQ3EOYN3RT","created_at":"2026-07-05T01:46:58.828574+00:00"},{"alias_kind":"pith_short_8","alias_value":"LPEGRFGQ","created_at":"2026-07-05T01:46:58.828574+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.27054","citing_title":"Non-topological solitons in biadjoint scalar field theory","ref_index":16,"is_internal_anchor":false},{"citing_arxiv_id":"2510.25866","citing_title":"Hawking Radiation meets the Double Copy","ref_index":37,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LPEGRFGQ3EOYN3RT3PUTGSIMK6","json":"https://pith.science/pith/LPEGRFGQ3EOYN3RT3PUTGSIMK6.json","graph_json":"https://pith.science/api/pith-number/LPEGRFGQ3EOYN3RT3PUTGSIMK6/graph.json","events_json":"https://pith.science/api/pith-number/LPEGRFGQ3EOYN3RT3PUTGSIMK6/events.json","paper":"https://pith.science/paper/LPEGRFGQ"},"agent_actions":{"view_html":"https://pith.science/pith/LPEGRFGQ3EOYN3RT3PUTGSIMK6","download_json":"https://pith.science/pith/LPEGRFGQ3EOYN3RT3PUTGSIMK6.json","view_paper":"https://pith.science/paper/LPEGRFGQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2007.03264&json=true","fetch_graph":"https://pith.science/api/pith-number/LPEGRFGQ3EOYN3RT3PUTGSIMK6/graph.json","fetch_events":"https://pith.science/api/pith-number/LPEGRFGQ3EOYN3RT3PUTGSIMK6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LPEGRFGQ3EOYN3RT3PUTGSIMK6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LPEGRFGQ3EOYN3RT3PUTGSIMK6/action/storage_attestation","attest_author":"https://pith.science/pith/LPEGRFGQ3EOYN3RT3PUTGSIMK6/action/author_attestation","sign_citation":"https://pith.science/pith/LPEGRFGQ3EOYN3RT3PUTGSIMK6/action/citation_signature","submit_replication":"https://pith.science/pith/LPEGRFGQ3EOYN3RT3PUTGSIMK6/action/replication_record"}},"created_at":"2026-07-05T01:46:58.828574+00:00","updated_at":"2026-07-05T01:46:58.828574+00:00"}