{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:H4OTFAIKUKZZDIIELOSKHPWPOJ","short_pith_number":"pith:H4OTFAIK","schema_version":"1.0","canonical_sha256":"3f1d32810aa2b391a1045ba4a3becf72424c5113be1632a7967546f425b7648e","source":{"kind":"arxiv","id":"1701.05023","version":1},"attestation_state":"computed","paper":{"title":"Labeling spherically symmetric spacetimes with the Ricci tensor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Joan Josep Ferrando, Juan Antonio S\\'aez","submitted_at":"2017-01-18T12:00:55Z","abstract_excerpt":"We complete the intrinsic characterization of spherically symmetric solutions partially accomplished in a previous paper [Class.Quant.Grav. (2010) 27 205024]. In this approach we consider every compatible algebraic type of the Ricci tensor, and we analyze specifically the conformally flat case for perfect fluid and Einstein-Maxwell solutions. As a direct application we obtain the {\\em ideal} labeling (exclusively involving explicit concomitants of the metric tensor) of the Schwarzschild interior metric and the Vaidya solution. The Stephani universes and some significative subfamilies are also "},"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":"1701.05023","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-01-18T12:00:55Z","cross_cats_sorted":[],"title_canon_sha256":"8c614d4965132f5623cacf43657d4264434fe2d60f9aec131d8db3412b2a92d6","abstract_canon_sha256":"75b2a5882d1e5eef7f2da211426e4ebf08dceb7c151a5822b1d85d01ff785174"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:12.729155Z","signature_b64":"w5yCTqg4gjkPyLCKyyf+N6x4ST7mHf4H0yExi1Y+VXSucLy0BRcuJ2jsvIJd63A4OXUf92ylF07PvtV6lsf4DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f1d32810aa2b391a1045ba4a3becf72424c5113be1632a7967546f425b7648e","last_reissued_at":"2026-05-18T00:52:12.728701Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:12.728701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Labeling spherically symmetric spacetimes with the Ricci tensor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Joan Josep Ferrando, Juan Antonio S\\'aez","submitted_at":"2017-01-18T12:00:55Z","abstract_excerpt":"We complete the intrinsic characterization of spherically symmetric solutions partially accomplished in a previous paper [Class.Quant.Grav. (2010) 27 205024]. In this approach we consider every compatible algebraic type of the Ricci tensor, and we analyze specifically the conformally flat case for perfect fluid and Einstein-Maxwell solutions. As a direct application we obtain the {\\em ideal} labeling (exclusively involving explicit concomitants of the metric tensor) of the Schwarzschild interior metric and the Vaidya solution. The Stephani universes and some significative subfamilies are also "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.05023","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":""},"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":"1701.05023","created_at":"2026-05-18T00:52:12.728768+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.05023v1","created_at":"2026-05-18T00:52:12.728768+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.05023","created_at":"2026-05-18T00:52:12.728768+00:00"},{"alias_kind":"pith_short_12","alias_value":"H4OTFAIKUKZZ","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_16","alias_value":"H4OTFAIKUKZZDIIE","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_8","alias_value":"H4OTFAIK","created_at":"2026-05-18T12:31:18.294218+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/H4OTFAIKUKZZDIIELOSKHPWPOJ","json":"https://pith.science/pith/H4OTFAIKUKZZDIIELOSKHPWPOJ.json","graph_json":"https://pith.science/api/pith-number/H4OTFAIKUKZZDIIELOSKHPWPOJ/graph.json","events_json":"https://pith.science/api/pith-number/H4OTFAIKUKZZDIIELOSKHPWPOJ/events.json","paper":"https://pith.science/paper/H4OTFAIK"},"agent_actions":{"view_html":"https://pith.science/pith/H4OTFAIKUKZZDIIELOSKHPWPOJ","download_json":"https://pith.science/pith/H4OTFAIKUKZZDIIELOSKHPWPOJ.json","view_paper":"https://pith.science/paper/H4OTFAIK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.05023&json=true","fetch_graph":"https://pith.science/api/pith-number/H4OTFAIKUKZZDIIELOSKHPWPOJ/graph.json","fetch_events":"https://pith.science/api/pith-number/H4OTFAIKUKZZDIIELOSKHPWPOJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/H4OTFAIKUKZZDIIELOSKHPWPOJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/H4OTFAIKUKZZDIIELOSKHPWPOJ/action/storage_attestation","attest_author":"https://pith.science/pith/H4OTFAIKUKZZDIIELOSKHPWPOJ/action/author_attestation","sign_citation":"https://pith.science/pith/H4OTFAIKUKZZDIIELOSKHPWPOJ/action/citation_signature","submit_replication":"https://pith.science/pith/H4OTFAIKUKZZDIIELOSKHPWPOJ/action/replication_record"}},"created_at":"2026-05-18T00:52:12.728768+00:00","updated_at":"2026-05-18T00:52:12.728768+00:00"}