{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:AUR44VWK2W4IZLPUCWR4TQ3AHL","short_pith_number":"pith:AUR44VWK","schema_version":"1.0","canonical_sha256":"0523ce56cad5b88cadf415a3c9c3603afccb8b0d12d27d1264fbb454ee63b126","source":{"kind":"arxiv","id":"1001.5011","version":1},"attestation_state":"computed","paper":{"title":"Epsilon Aurigae: An improved spectroscopic orbital solution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"2), (2) Univ. of Southampton, (3) MIT Lincoln Lab, (4) Wise Observatory, 5) ((1) Harvard-Smithsonian CfA, (5) Radcliffe Institute for Advanced Studies), David W. Latham (1), Guillermo Torres (1), Israel, Joseph Zajac (1), Justin Lovegrove (1, Robert P. Stefanik (1), Tel Aviv Univ., Tsevi Mazeh (4, UK, Vivian E. Pera (3)","submitted_at":"2010-01-27T20:10:04Z","abstract_excerpt":"A rare eclipse of the mysterious object Epsilon Aurigae will occur in 2009-2011. We report an updated single-lined spectroscopic solution for the orbit of the primary star based on 20 years of monitoring at the CfA, combined with historical velocity observations dating back to 1897. There are 518 new CfA observations obtained between 1989 and 2009. Two solutions are presented. One uses the velocities outside the eclipse phases together with mid-times of previous eclipses, from photometry dating back to 1842, which provide the strongest constraint on the ephemeris. This yields a period of 9896."},"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":"1001.5011","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-27T20:10:04Z","cross_cats_sorted":[],"title_canon_sha256":"e7def79948da53946aeeda6cffe1dbfd10f0c37c88bb7fcbf1e3f85395f0b322","abstract_canon_sha256":"5722ee4a3ed053aa70fb8fd8674bf64e2c148b78f7ad6842e587a793831fe812"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:29.121977Z","signature_b64":"6hRxe3Zafz+TjrA3bneMTuuMYdgvIdM1bYqIwxQCtKchYop70GLpg/fE1pY1LeJiW3S3ED6iiNU/dhtOddEADA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0523ce56cad5b88cadf415a3c9c3603afccb8b0d12d27d1264fbb454ee63b126","last_reissued_at":"2026-05-18T02:09:29.121451Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:29.121451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Epsilon Aurigae: An improved spectroscopic orbital solution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"2), (2) Univ. of Southampton, (3) MIT Lincoln Lab, (4) Wise Observatory, 5) ((1) Harvard-Smithsonian CfA, (5) Radcliffe Institute for Advanced Studies), David W. Latham (1), Guillermo Torres (1), Israel, Joseph Zajac (1), Justin Lovegrove (1, Robert P. Stefanik (1), Tel Aviv Univ., Tsevi Mazeh (4, UK, Vivian E. Pera (3)","submitted_at":"2010-01-27T20:10:04Z","abstract_excerpt":"A rare eclipse of the mysterious object Epsilon Aurigae will occur in 2009-2011. We report an updated single-lined spectroscopic solution for the orbit of the primary star based on 20 years of monitoring at the CfA, combined with historical velocity observations dating back to 1897. There are 518 new CfA observations obtained between 1989 and 2009. Two solutions are presented. One uses the velocities outside the eclipse phases together with mid-times of previous eclipses, from photometry dating back to 1842, which provide the strongest constraint on the ephemeris. This yields a period of 9896."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.5011","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":"1001.5011","created_at":"2026-05-18T02:09:29.121543+00:00"},{"alias_kind":"arxiv_version","alias_value":"1001.5011v1","created_at":"2026-05-18T02:09:29.121543+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.5011","created_at":"2026-05-18T02:09:29.121543+00:00"},{"alias_kind":"pith_short_12","alias_value":"AUR44VWK2W4I","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_16","alias_value":"AUR44VWK2W4IZLPU","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_8","alias_value":"AUR44VWK","created_at":"2026-05-18T12:26:05.355336+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/AUR44VWK2W4IZLPUCWR4TQ3AHL","json":"https://pith.science/pith/AUR44VWK2W4IZLPUCWR4TQ3AHL.json","graph_json":"https://pith.science/api/pith-number/AUR44VWK2W4IZLPUCWR4TQ3AHL/graph.json","events_json":"https://pith.science/api/pith-number/AUR44VWK2W4IZLPUCWR4TQ3AHL/events.json","paper":"https://pith.science/paper/AUR44VWK"},"agent_actions":{"view_html":"https://pith.science/pith/AUR44VWK2W4IZLPUCWR4TQ3AHL","download_json":"https://pith.science/pith/AUR44VWK2W4IZLPUCWR4TQ3AHL.json","view_paper":"https://pith.science/paper/AUR44VWK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1001.5011&json=true","fetch_graph":"https://pith.science/api/pith-number/AUR44VWK2W4IZLPUCWR4TQ3AHL/graph.json","fetch_events":"https://pith.science/api/pith-number/AUR44VWK2W4IZLPUCWR4TQ3AHL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AUR44VWK2W4IZLPUCWR4TQ3AHL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AUR44VWK2W4IZLPUCWR4TQ3AHL/action/storage_attestation","attest_author":"https://pith.science/pith/AUR44VWK2W4IZLPUCWR4TQ3AHL/action/author_attestation","sign_citation":"https://pith.science/pith/AUR44VWK2W4IZLPUCWR4TQ3AHL/action/citation_signature","submit_replication":"https://pith.science/pith/AUR44VWK2W4IZLPUCWR4TQ3AHL/action/replication_record"}},"created_at":"2026-05-18T02:09:29.121543+00:00","updated_at":"2026-05-18T02:09:29.121543+00:00"}