{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:LJSIK2NNNLDKG7QSAZSCOTPIPZ","short_pith_number":"pith:LJSIK2NN","schema_version":"1.0","canonical_sha256":"5a648569ad6ac6a37e120664274de87e55a386c5ac4a5b1d4701bbc269dfa9a5","source":{"kind":"arxiv","id":"1105.0107","version":1},"attestation_state":"computed","paper":{"title":"Spectral and photometric analysis of the eclipsing binary epsilon Aurigae prior to and during the 2009-2011 eclipse","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Brian Kloppenborg, Christian Buil, Davor Sudar, Hrvoje Bozic, Jeff L. Hopkins, Lenka Kotkova, Marek Wolf, Miroslav Slechta, Pavel Chadima, Petr Harmanec, Petr Skoda, Philip D. Bennett, Robert Stencel, Stevenson Yang, Viktor Votruba","submitted_at":"2011-04-30T18:28:46Z","abstract_excerpt":"A series of 353 red electronic spectra obtained between 1994 and 2010, and of 171 UBV photometric observations of the 2010 eclipse, were analyzed in an effort to better understand the eclipsing binary eps Aur. The main results follow. (1) We attempted to recover a spectrum of the companion by disentangling the observed spectra of the eps Aur binary failed, but we were able to disentangle the spectrum of telluric lines and obtain a mean spectrum of the F-type primary star. The latter was then compared to a grid of synthetic spectra for a number of plausible values of T(eff) and log(g), but a re"},"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":"1105.0107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-30T18:28:46Z","cross_cats_sorted":[],"title_canon_sha256":"cc76a35202cbb65105d3ba6d2bb6fcda8241894c05d3013c74802a0b3378a380","abstract_canon_sha256":"b678e59060346b814d45b7404c3db1befe22481a11fe5795158557da45d09cfb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:10.695880Z","signature_b64":"PLQDaOMzRDLoTKJ24AxWUdwuryD3C0BJYpEgICEJ+pQX5kJdlRl7OltSXa5PPHTzvIbMJcWeWsukzJ/LQyX8BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a648569ad6ac6a37e120664274de87e55a386c5ac4a5b1d4701bbc269dfa9a5","last_reissued_at":"2026-05-18T02:02:10.695110Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:10.695110Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectral and photometric analysis of the eclipsing binary epsilon Aurigae prior to and during the 2009-2011 eclipse","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Brian Kloppenborg, Christian Buil, Davor Sudar, Hrvoje Bozic, Jeff L. Hopkins, Lenka Kotkova, Marek Wolf, Miroslav Slechta, Pavel Chadima, Petr Harmanec, Petr Skoda, Philip D. Bennett, Robert Stencel, Stevenson Yang, Viktor Votruba","submitted_at":"2011-04-30T18:28:46Z","abstract_excerpt":"A series of 353 red electronic spectra obtained between 1994 and 2010, and of 171 UBV photometric observations of the 2010 eclipse, were analyzed in an effort to better understand the eclipsing binary eps Aur. The main results follow. (1) We attempted to recover a spectrum of the companion by disentangling the observed spectra of the eps Aur binary failed, but we were able to disentangle the spectrum of telluric lines and obtain a mean spectrum of the F-type primary star. The latter was then compared to a grid of synthetic spectra for a number of plausible values of T(eff) and log(g), but a re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.0107","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":"1105.0107","created_at":"2026-05-18T02:02:10.695241+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.0107v1","created_at":"2026-05-18T02:02:10.695241+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.0107","created_at":"2026-05-18T02:02:10.695241+00:00"},{"alias_kind":"pith_short_12","alias_value":"LJSIK2NNNLDK","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_16","alias_value":"LJSIK2NNNLDKG7QS","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_8","alias_value":"LJSIK2NN","created_at":"2026-05-18T12:26:34.985390+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/LJSIK2NNNLDKG7QSAZSCOTPIPZ","json":"https://pith.science/pith/LJSIK2NNNLDKG7QSAZSCOTPIPZ.json","graph_json":"https://pith.science/api/pith-number/LJSIK2NNNLDKG7QSAZSCOTPIPZ/graph.json","events_json":"https://pith.science/api/pith-number/LJSIK2NNNLDKG7QSAZSCOTPIPZ/events.json","paper":"https://pith.science/paper/LJSIK2NN"},"agent_actions":{"view_html":"https://pith.science/pith/LJSIK2NNNLDKG7QSAZSCOTPIPZ","download_json":"https://pith.science/pith/LJSIK2NNNLDKG7QSAZSCOTPIPZ.json","view_paper":"https://pith.science/paper/LJSIK2NN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.0107&json=true","fetch_graph":"https://pith.science/api/pith-number/LJSIK2NNNLDKG7QSAZSCOTPIPZ/graph.json","fetch_events":"https://pith.science/api/pith-number/LJSIK2NNNLDKG7QSAZSCOTPIPZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LJSIK2NNNLDKG7QSAZSCOTPIPZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LJSIK2NNNLDKG7QSAZSCOTPIPZ/action/storage_attestation","attest_author":"https://pith.science/pith/LJSIK2NNNLDKG7QSAZSCOTPIPZ/action/author_attestation","sign_citation":"https://pith.science/pith/LJSIK2NNNLDKG7QSAZSCOTPIPZ/action/citation_signature","submit_replication":"https://pith.science/pith/LJSIK2NNNLDKG7QSAZSCOTPIPZ/action/replication_record"}},"created_at":"2026-05-18T02:02:10.695241+00:00","updated_at":"2026-05-18T02:02:10.695241+00:00"}