{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:2H4SHDZJKSCF3GUSGWPWCDL4NN","short_pith_number":"pith:2H4SHDZJ","schema_version":"1.0","canonical_sha256":"d1f9238f2954845d9a92359f610d7c6b697ff8a28ccbc5b7cadcd8b03bcc64e7","source":{"kind":"arxiv","id":"gr-qc/0004064","version":1},"attestation_state":"computed","paper":{"title":"Sub-Microarcsecond Astrometry and New Horizons in Relativistic Gravitational Physics","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Carl R. Gwinn (University of California at Santa Barbara), Sergei M. Kopeikin (University of Missouri-Columbia)","submitted_at":"2000-04-19T21:15:56Z","abstract_excerpt":"Attaining the limit of sub-microarcsecond optical resolution will completely revolutionize fundamental astrometry by merging it with relativistic gravitational physics. Beyond the sub-microarcsecond threshold, one will meet in the sky a new population of physical phenomena caused by primordial gravitational waves from early universe and/or different localized astronomical sources, space-time topological defects, moving gravitational lenses, time variability of gravitational fields of the solar system and binary stars, and many others. Adequate physical interpretation of these yet undetectable "},"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/0004064","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2000-04-19T21:15:56Z","cross_cats_sorted":[],"title_canon_sha256":"6e128988400e9558abe5e142fda053b2434236f59d88e39d861e0add7eacd635","abstract_canon_sha256":"0aba2f4165478cf5479351969a912bbff8feff463ee6abed91cee4c653acb344"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:25:16.669631Z","signature_b64":"JZfWO/in4xfdmZ98+yoqSUVnf1/PrDxl4B2aQmhpbJKjs7/fL0pnprx/OSMNSyG+pxr2hcjcpCv5mbk4w59kAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1f9238f2954845d9a92359f610d7c6b697ff8a28ccbc5b7cadcd8b03bcc64e7","last_reissued_at":"2026-07-04T14:25:16.669202Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:25:16.669202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sub-Microarcsecond Astrometry and New Horizons in Relativistic Gravitational Physics","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Carl R. Gwinn (University of California at Santa Barbara), Sergei M. Kopeikin (University of Missouri-Columbia)","submitted_at":"2000-04-19T21:15:56Z","abstract_excerpt":"Attaining the limit of sub-microarcsecond optical resolution will completely revolutionize fundamental astrometry by merging it with relativistic gravitational physics. Beyond the sub-microarcsecond threshold, one will meet in the sky a new population of physical phenomena caused by primordial gravitational waves from early universe and/or different localized astronomical sources, space-time topological defects, moving gravitational lenses, time variability of gravitational fields of the solar system and binary stars, and many others. Adequate physical interpretation of these yet undetectable "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0004064","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/0004064/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/0004064","created_at":"2026-07-04T14:25:16.669269+00:00"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0004064v1","created_at":"2026-07-04T14:25:16.669269+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0004064","created_at":"2026-07-04T14:25:16.669269+00:00"},{"alias_kind":"pith_short_12","alias_value":"2H4SHDZJKSCF","created_at":"2026-07-04T14:25:16.669269+00:00"},{"alias_kind":"pith_short_16","alias_value":"2H4SHDZJKSCF3GUS","created_at":"2026-07-04T14:25:16.669269+00:00"},{"alias_kind":"pith_short_8","alias_value":"2H4SHDZJ","created_at":"2026-07-04T14:25:16.669269+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.19963","citing_title":"Light propagation in the 2PN approximation in the monopole and quadrupole field of a body at rest: Boundary value problem","ref_index":21,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2H4SHDZJKSCF3GUSGWPWCDL4NN","json":"https://pith.science/pith/2H4SHDZJKSCF3GUSGWPWCDL4NN.json","graph_json":"https://pith.science/api/pith-number/2H4SHDZJKSCF3GUSGWPWCDL4NN/graph.json","events_json":"https://pith.science/api/pith-number/2H4SHDZJKSCF3GUSGWPWCDL4NN/events.json","paper":"https://pith.science/paper/2H4SHDZJ"},"agent_actions":{"view_html":"https://pith.science/pith/2H4SHDZJKSCF3GUSGWPWCDL4NN","download_json":"https://pith.science/pith/2H4SHDZJKSCF3GUSGWPWCDL4NN.json","view_paper":"https://pith.science/paper/2H4SHDZJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=gr-qc/0004064&json=true","fetch_graph":"https://pith.science/api/pith-number/2H4SHDZJKSCF3GUSGWPWCDL4NN/graph.json","fetch_events":"https://pith.science/api/pith-number/2H4SHDZJKSCF3GUSGWPWCDL4NN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2H4SHDZJKSCF3GUSGWPWCDL4NN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2H4SHDZJKSCF3GUSGWPWCDL4NN/action/storage_attestation","attest_author":"https://pith.science/pith/2H4SHDZJKSCF3GUSGWPWCDL4NN/action/author_attestation","sign_citation":"https://pith.science/pith/2H4SHDZJKSCF3GUSGWPWCDL4NN/action/citation_signature","submit_replication":"https://pith.science/pith/2H4SHDZJKSCF3GUSGWPWCDL4NN/action/replication_record"}},"created_at":"2026-07-04T14:25:16.669269+00:00","updated_at":"2026-07-04T14:25:16.669269+00:00"}