{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1995:747SXTVGDY3DGWNWVRMAF2AZ2C","short_pith_number":"pith:747SXTVG","schema_version":"1.0","canonical_sha256":"ff3f2bcea61e363359b6ac5802e819d0b1cfbec62faef715cb2e586c627bb1ed","source":{"kind":"arxiv","id":"gr-qc/9510044","version":1},"attestation_state":"computed","paper":{"title":"The Covariant Approach to LRS Perfect Fluid Spacetime Geometries","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"gr-qc","authors_text":"George F R Ellis, Henk van Elst","submitted_at":"1995-10-23T10:53:14Z","abstract_excerpt":"The dynamics of perfect fluid spacetime geometries which exhibit {\\em Local Rotational Symmetry} (LRS) are reformulated in the language of a $1+\\,3$ \"threading\" decomposition of the spacetime manifold, where covariant fluid and curvature variables are used. This approach presents a neat alternative to the orthonormal frame formalism. The dynamical equations reduce to a set of differential relations between purely scalar quantities. The consistency conditions are worked out in a transparent way. We discuss their various subcases in detail and focus in particular on models with higher symmetries"},"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/9510044","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1995-10-23T10:53:14Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"d1fa0f09d4b6469187d2b3365fe5305e4245143becdec3c7df59cbee6a451045","abstract_canon_sha256":"fcb6c6dc63f44ec61670a4af2240ea479333369d6045cddf827b9412fb3ec9f4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:58:51.065734Z","signature_b64":"NX6qFPCpe3NrdDMf669iUNhpZQYpsWwP3faRpFzOSbLDS8+gC8fOqeUUmDQo5qHzGeXsLd9QSVNe6IBNvoDhAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff3f2bcea61e363359b6ac5802e819d0b1cfbec62faef715cb2e586c627bb1ed","last_reissued_at":"2026-07-04T15:58:51.065338Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:58:51.065338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Covariant Approach to LRS Perfect Fluid Spacetime Geometries","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"gr-qc","authors_text":"George F R Ellis, Henk van Elst","submitted_at":"1995-10-23T10:53:14Z","abstract_excerpt":"The dynamics of perfect fluid spacetime geometries which exhibit {\\em Local Rotational Symmetry} (LRS) are reformulated in the language of a $1+\\,3$ \"threading\" decomposition of the spacetime manifold, where covariant fluid and curvature variables are used. This approach presents a neat alternative to the orthonormal frame formalism. The dynamical equations reduce to a set of differential relations between purely scalar quantities. The consistency conditions are worked out in a transparent way. We discuss their various subcases in detail and focus in particular on models with higher symmetries"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9510044","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/9510044/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/9510044","created_at":"2026-07-04T15:58:51.065399+00:00"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9510044v1","created_at":"2026-07-04T15:58:51.065399+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9510044","created_at":"2026-07-04T15:58:51.065399+00:00"},{"alias_kind":"pith_short_12","alias_value":"747SXTVGDY3D","created_at":"2026-07-04T15:58:51.065399+00:00"},{"alias_kind":"pith_short_16","alias_value":"747SXTVGDY3DGWNW","created_at":"2026-07-04T15:58:51.065399+00:00"},{"alias_kind":"pith_short_8","alias_value":"747SXTVG","created_at":"2026-07-04T15:58:51.065399+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2512.20553","citing_title":"Eckart heat-flux applicability in $F(\\Phi,X)R$ theories and the existence of temperature gradients","ref_index":52,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/747SXTVGDY3DGWNWVRMAF2AZ2C","json":"https://pith.science/pith/747SXTVGDY3DGWNWVRMAF2AZ2C.json","graph_json":"https://pith.science/api/pith-number/747SXTVGDY3DGWNWVRMAF2AZ2C/graph.json","events_json":"https://pith.science/api/pith-number/747SXTVGDY3DGWNWVRMAF2AZ2C/events.json","paper":"https://pith.science/paper/747SXTVG"},"agent_actions":{"view_html":"https://pith.science/pith/747SXTVGDY3DGWNWVRMAF2AZ2C","download_json":"https://pith.science/pith/747SXTVGDY3DGWNWVRMAF2AZ2C.json","view_paper":"https://pith.science/paper/747SXTVG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=gr-qc/9510044&json=true","fetch_graph":"https://pith.science/api/pith-number/747SXTVGDY3DGWNWVRMAF2AZ2C/graph.json","fetch_events":"https://pith.science/api/pith-number/747SXTVGDY3DGWNWVRMAF2AZ2C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/747SXTVGDY3DGWNWVRMAF2AZ2C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/747SXTVGDY3DGWNWVRMAF2AZ2C/action/storage_attestation","attest_author":"https://pith.science/pith/747SXTVGDY3DGWNWVRMAF2AZ2C/action/author_attestation","sign_citation":"https://pith.science/pith/747SXTVGDY3DGWNWVRMAF2AZ2C/action/citation_signature","submit_replication":"https://pith.science/pith/747SXTVGDY3DGWNWVRMAF2AZ2C/action/replication_record"}},"created_at":"2026-07-04T15:58:51.065399+00:00","updated_at":"2026-07-04T15:58:51.065399+00:00"}