{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:NMJ6ITXQ2OAQHNZYOPLN3VRTK2","short_pith_number":"pith:NMJ6ITXQ","schema_version":"1.0","canonical_sha256":"6b13e44ef0d38103b73873d6ddd6335689971f1af0fdc1af0573d6b34cc6eb48","source":{"kind":"arxiv","id":"1207.3873","version":1},"attestation_state":"computed","paper":{"title":"Celestial Ephemerides in an Expanding Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","physics.space-ph"],"primary_cat":"gr-qc","authors_text":"Columbia, Sergei Kopeikin (University of Missouri, USA)","submitted_at":"2012-07-17T04:07:33Z","abstract_excerpt":"Post-Newtonian theory was instrumental in conducting the critical experimental tests of general relativity and in building the astronomical ephemerides of celestial bodies in the solar system with an unparalleled precision. The cornerstone of the theory is the postulate that the solar system is gravitationally isolated from the rest of the universe and the background spacetime is asymptotically flat. The present article extends this theoretical concept and formulates the principles of celestial dynamics of particles and light moving in gravitational field of a localized astronomical system emb"},"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":"1207.3873","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-17T04:07:33Z","cross_cats_sorted":["astro-ph.CO","physics.space-ph"],"title_canon_sha256":"ef1dd7a7cdbec2606085c6e315d637082804f8d5369cf4809ed0ab31a5fc1578","abstract_canon_sha256":"5496ae4409a97b118cc110b2d44076ae74954ce78374e45db0d2f140c0538ac7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:16.415556Z","signature_b64":"19NlHgItaHixjukpiazAg3eujtQV7YRg11mlL4f1gHQ76nPNXdrCiBXGTO2HY90yBNJ0QndKyatooXmmGjP6CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b13e44ef0d38103b73873d6ddd6335689971f1af0fdc1af0573d6b34cc6eb48","last_reissued_at":"2026-05-18T03:46:16.414905Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:16.414905Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Celestial Ephemerides in an Expanding Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","physics.space-ph"],"primary_cat":"gr-qc","authors_text":"Columbia, Sergei Kopeikin (University of Missouri, USA)","submitted_at":"2012-07-17T04:07:33Z","abstract_excerpt":"Post-Newtonian theory was instrumental in conducting the critical experimental tests of general relativity and in building the astronomical ephemerides of celestial bodies in the solar system with an unparalleled precision. The cornerstone of the theory is the postulate that the solar system is gravitationally isolated from the rest of the universe and the background spacetime is asymptotically flat. The present article extends this theoretical concept and formulates the principles of celestial dynamics of particles and light moving in gravitational field of a localized astronomical system emb"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3873","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":"1207.3873","created_at":"2026-05-18T03:46:16.415002+00:00"},{"alias_kind":"arxiv_version","alias_value":"1207.3873v1","created_at":"2026-05-18T03:46:16.415002+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3873","created_at":"2026-05-18T03:46:16.415002+00:00"},{"alias_kind":"pith_short_12","alias_value":"NMJ6ITXQ2OAQ","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_16","alias_value":"NMJ6ITXQ2OAQHNZY","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_8","alias_value":"NMJ6ITXQ","created_at":"2026-05-18T12:27:16.716162+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/NMJ6ITXQ2OAQHNZYOPLN3VRTK2","json":"https://pith.science/pith/NMJ6ITXQ2OAQHNZYOPLN3VRTK2.json","graph_json":"https://pith.science/api/pith-number/NMJ6ITXQ2OAQHNZYOPLN3VRTK2/graph.json","events_json":"https://pith.science/api/pith-number/NMJ6ITXQ2OAQHNZYOPLN3VRTK2/events.json","paper":"https://pith.science/paper/NMJ6ITXQ"},"agent_actions":{"view_html":"https://pith.science/pith/NMJ6ITXQ2OAQHNZYOPLN3VRTK2","download_json":"https://pith.science/pith/NMJ6ITXQ2OAQHNZYOPLN3VRTK2.json","view_paper":"https://pith.science/paper/NMJ6ITXQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1207.3873&json=true","fetch_graph":"https://pith.science/api/pith-number/NMJ6ITXQ2OAQHNZYOPLN3VRTK2/graph.json","fetch_events":"https://pith.science/api/pith-number/NMJ6ITXQ2OAQHNZYOPLN3VRTK2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NMJ6ITXQ2OAQHNZYOPLN3VRTK2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NMJ6ITXQ2OAQHNZYOPLN3VRTK2/action/storage_attestation","attest_author":"https://pith.science/pith/NMJ6ITXQ2OAQHNZYOPLN3VRTK2/action/author_attestation","sign_citation":"https://pith.science/pith/NMJ6ITXQ2OAQHNZYOPLN3VRTK2/action/citation_signature","submit_replication":"https://pith.science/pith/NMJ6ITXQ2OAQHNZYOPLN3VRTK2/action/replication_record"}},"created_at":"2026-05-18T03:46:16.415002+00:00","updated_at":"2026-05-18T03:46:16.415002+00:00"}