{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:MSNBLTSJA657HWU6FBMEGM4UF5","short_pith_number":"pith:MSNBLTSJ","schema_version":"1.0","canonical_sha256":"649a15ce4907bbf3da9e28584333942f58fa3f7a5910b85d149cd8c0fe54649e","source":{"kind":"arxiv","id":"1303.0212","version":1},"attestation_state":"computed","paper":{"title":"Phoebe's orbit from ground-based and space-based observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Josselin Desmars, Qing-Yu Peng, Radwan Tajeddine, Shan-Na Li, Zheng-Hong Tang","submitted_at":"2013-03-01T16:29:18Z","abstract_excerpt":"The ephemeris of Phoebe, the ninth satellite of Saturn, is not very accurate. Previous dynamical models were usually too simplified, the astrometry is heterogeneous and, the Saturn's ephemeris itself is an additionnal source of error. The aim is to improve Phoebe's ephemeris by using a large set of observations, correcting some systematic errors and updating the dynamical model. The dynamical model makes use of the most recent ephemeris of planets and Saturnian satellites. The astrometry of Phoebe is improved by using a compilation of ground-based and space-based observations and by correcting"},"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":"1303.0212","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-03-01T16:29:18Z","cross_cats_sorted":[],"title_canon_sha256":"d0a507d59ac9238b8303d4d820d826726013dd50c4b2bcd67a9f9d460e28818f","abstract_canon_sha256":"5041dbfcac653fe7ad9cd8c5236f2cde691306331c9fcebf350816410ff4afca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:18.172382Z","signature_b64":"SFDQkmxevMlhLYRJapkAf7tLx0iBYOfr4EX7FAUxmPikUPaw4WUFGwCJY/MMX7N6bw1+5n30v0tu8lO6vlbrAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"649a15ce4907bbf3da9e28584333942f58fa3f7a5910b85d149cd8c0fe54649e","last_reissued_at":"2026-05-18T01:51:18.171741Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:18.171741Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phoebe's orbit from ground-based and space-based observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Josselin Desmars, Qing-Yu Peng, Radwan Tajeddine, Shan-Na Li, Zheng-Hong Tang","submitted_at":"2013-03-01T16:29:18Z","abstract_excerpt":"The ephemeris of Phoebe, the ninth satellite of Saturn, is not very accurate. Previous dynamical models were usually too simplified, the astrometry is heterogeneous and, the Saturn's ephemeris itself is an additionnal source of error. The aim is to improve Phoebe's ephemeris by using a large set of observations, correcting some systematic errors and updating the dynamical model. The dynamical model makes use of the most recent ephemeris of planets and Saturnian satellites. The astrometry of Phoebe is improved by using a compilation of ground-based and space-based observations and by correcting"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0212","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":"1303.0212","created_at":"2026-05-18T01:51:18.171835+00:00"},{"alias_kind":"arxiv_version","alias_value":"1303.0212v1","created_at":"2026-05-18T01:51:18.171835+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0212","created_at":"2026-05-18T01:51:18.171835+00:00"},{"alias_kind":"pith_short_12","alias_value":"MSNBLTSJA657","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_16","alias_value":"MSNBLTSJA657HWU6","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_8","alias_value":"MSNBLTSJ","created_at":"2026-05-18T12:27:52.871228+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/MSNBLTSJA657HWU6FBMEGM4UF5","json":"https://pith.science/pith/MSNBLTSJA657HWU6FBMEGM4UF5.json","graph_json":"https://pith.science/api/pith-number/MSNBLTSJA657HWU6FBMEGM4UF5/graph.json","events_json":"https://pith.science/api/pith-number/MSNBLTSJA657HWU6FBMEGM4UF5/events.json","paper":"https://pith.science/paper/MSNBLTSJ"},"agent_actions":{"view_html":"https://pith.science/pith/MSNBLTSJA657HWU6FBMEGM4UF5","download_json":"https://pith.science/pith/MSNBLTSJA657HWU6FBMEGM4UF5.json","view_paper":"https://pith.science/paper/MSNBLTSJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1303.0212&json=true","fetch_graph":"https://pith.science/api/pith-number/MSNBLTSJA657HWU6FBMEGM4UF5/graph.json","fetch_events":"https://pith.science/api/pith-number/MSNBLTSJA657HWU6FBMEGM4UF5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MSNBLTSJA657HWU6FBMEGM4UF5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MSNBLTSJA657HWU6FBMEGM4UF5/action/storage_attestation","attest_author":"https://pith.science/pith/MSNBLTSJA657HWU6FBMEGM4UF5/action/author_attestation","sign_citation":"https://pith.science/pith/MSNBLTSJA657HWU6FBMEGM4UF5/action/citation_signature","submit_replication":"https://pith.science/pith/MSNBLTSJA657HWU6FBMEGM4UF5/action/replication_record"}},"created_at":"2026-05-18T01:51:18.171835+00:00","updated_at":"2026-05-18T01:51:18.171835+00:00"}