{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:KX5XXLA4YSGS35GLMD2IPLGRO7","short_pith_number":"pith:KX5XXLA4","schema_version":"1.0","canonical_sha256":"55fb7bac1cc48d2df4cb60f487acd177ccca8a216a2191196f3d859a0b7720ee","source":{"kind":"arxiv","id":"1301.2140","version":1},"attestation_state":"computed","paper":{"title":"Nonstandard general relativity III: The Kerr class","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"G\\\"unter Scharf","submitted_at":"2013-01-10T14:51:05Z","abstract_excerpt":"We revisit the Kerr metric in Boyer-Lindquist coordinates and construct the corresponding class of nonstandard solutions of Einstein's equations. These solutions can be used to describe the outer part of spiral galaxies without assuming dark matter."},"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":"1301.2140","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-10T14:51:05Z","cross_cats_sorted":[],"title_canon_sha256":"48bcd803e7035c17efa88d2a18f70fb0095570fc2cd75a7e31c4eeaef356920b","abstract_canon_sha256":"45ed92cd86772bac0e4e507c4015114a00c6290ceb99bc4d748530d5c9068d1c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:47.415530Z","signature_b64":"kj1jDGbl1AB4kLC2+daPMLJS4QHz2l5LH0fmzwV0LmKbyMH2YaU4jzNduWIJxCzIlXA2qB3Uyi9p4eUNgTFFCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55fb7bac1cc48d2df4cb60f487acd177ccca8a216a2191196f3d859a0b7720ee","last_reissued_at":"2026-05-18T03:36:47.414975Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:47.414975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonstandard general relativity III: The Kerr class","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"G\\\"unter Scharf","submitted_at":"2013-01-10T14:51:05Z","abstract_excerpt":"We revisit the Kerr metric in Boyer-Lindquist coordinates and construct the corresponding class of nonstandard solutions of Einstein's equations. These solutions can be used to describe the outer part of spiral galaxies without assuming dark matter."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.2140","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":"1301.2140","created_at":"2026-05-18T03:36:47.415072+00:00"},{"alias_kind":"arxiv_version","alias_value":"1301.2140v1","created_at":"2026-05-18T03:36:47.415072+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.2140","created_at":"2026-05-18T03:36:47.415072+00:00"},{"alias_kind":"pith_short_12","alias_value":"KX5XXLA4YSGS","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_16","alias_value":"KX5XXLA4YSGS35GL","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_8","alias_value":"KX5XXLA4","created_at":"2026-05-18T12:27:51.066281+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/KX5XXLA4YSGS35GLMD2IPLGRO7","json":"https://pith.science/pith/KX5XXLA4YSGS35GLMD2IPLGRO7.json","graph_json":"https://pith.science/api/pith-number/KX5XXLA4YSGS35GLMD2IPLGRO7/graph.json","events_json":"https://pith.science/api/pith-number/KX5XXLA4YSGS35GLMD2IPLGRO7/events.json","paper":"https://pith.science/paper/KX5XXLA4"},"agent_actions":{"view_html":"https://pith.science/pith/KX5XXLA4YSGS35GLMD2IPLGRO7","download_json":"https://pith.science/pith/KX5XXLA4YSGS35GLMD2IPLGRO7.json","view_paper":"https://pith.science/paper/KX5XXLA4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1301.2140&json=true","fetch_graph":"https://pith.science/api/pith-number/KX5XXLA4YSGS35GLMD2IPLGRO7/graph.json","fetch_events":"https://pith.science/api/pith-number/KX5XXLA4YSGS35GLMD2IPLGRO7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KX5XXLA4YSGS35GLMD2IPLGRO7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KX5XXLA4YSGS35GLMD2IPLGRO7/action/storage_attestation","attest_author":"https://pith.science/pith/KX5XXLA4YSGS35GLMD2IPLGRO7/action/author_attestation","sign_citation":"https://pith.science/pith/KX5XXLA4YSGS35GLMD2IPLGRO7/action/citation_signature","submit_replication":"https://pith.science/pith/KX5XXLA4YSGS35GLMD2IPLGRO7/action/replication_record"}},"created_at":"2026-05-18T03:36:47.415072+00:00","updated_at":"2026-05-18T03:36:47.415072+00:00"}