{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:UPSIPE2DOQ7OGRSAXAA3ZSJN2P","short_pith_number":"pith:UPSIPE2D","schema_version":"1.0","canonical_sha256":"a3e4879343743ee34640b801bcc92dd3f6ea70b26f6162048458a33e66a296e7","source":{"kind":"arxiv","id":"1711.02300","version":1},"attestation_state":"computed","paper":{"title":"The Kepler Eclipsing Binary V2281 Cygni with Twin Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Jae-Rim Koo, Jae Woo Lee, Kyeongsoo Hong","submitted_at":"2017-11-07T06:16:48Z","abstract_excerpt":"We present the physical properties of the eclipsing binary V2281 Cyg, which shows a light-time effect due to a supposed tertiary component from its eclipse timing variation according to the $Kepler$ observations. The high-resolution spectra and $BVR$ photometric data of the system were obtained at Bohyunsan Optical Astronomy Observatory and Mount Lemmon Optical Astronomy Observatory, respectively. To determine the fundamental parameters of the eclipsing pair and its circumbinary object, we simultaneously analyzed the radial velocities, light curves, and eclipse times including the $Kepler$ dat"},"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":"1711.02300","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-07T06:16:48Z","cross_cats_sorted":[],"title_canon_sha256":"3cf86ab6a43b35276d77412c18d38e7c4ac2b09283cf3ee4e6fbfca4bf7fe709","abstract_canon_sha256":"831e1b73df387be636204823577346bce5eb8481fe97586e1a20de2cf414eca3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:24.330527Z","signature_b64":"riiMn0VM7TaAwJpTQLIdQrSyPjFcxEMMKZ2pecEypkcQbd8VjwcqD7LpRq7AEX0zaHkPVeEUDVTu+6VaJ38RBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3e4879343743ee34640b801bcc92dd3f6ea70b26f6162048458a33e66a296e7","last_reissued_at":"2026-05-18T00:29:24.329741Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:24.329741Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Kepler Eclipsing Binary V2281 Cygni with Twin Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Jae-Rim Koo, Jae Woo Lee, Kyeongsoo Hong","submitted_at":"2017-11-07T06:16:48Z","abstract_excerpt":"We present the physical properties of the eclipsing binary V2281 Cyg, which shows a light-time effect due to a supposed tertiary component from its eclipse timing variation according to the $Kepler$ observations. The high-resolution spectra and $BVR$ photometric data of the system were obtained at Bohyunsan Optical Astronomy Observatory and Mount Lemmon Optical Astronomy Observatory, respectively. To determine the fundamental parameters of the eclipsing pair and its circumbinary object, we simultaneously analyzed the radial velocities, light curves, and eclipse times including the $Kepler$ dat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.02300","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":"1711.02300","created_at":"2026-05-18T00:29:24.329878+00:00"},{"alias_kind":"arxiv_version","alias_value":"1711.02300v1","created_at":"2026-05-18T00:29:24.329878+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.02300","created_at":"2026-05-18T00:29:24.329878+00:00"},{"alias_kind":"pith_short_12","alias_value":"UPSIPE2DOQ7O","created_at":"2026-05-18T12:31:46.661854+00:00"},{"alias_kind":"pith_short_16","alias_value":"UPSIPE2DOQ7OGRSA","created_at":"2026-05-18T12:31:46.661854+00:00"},{"alias_kind":"pith_short_8","alias_value":"UPSIPE2D","created_at":"2026-05-18T12:31:46.661854+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/UPSIPE2DOQ7OGRSAXAA3ZSJN2P","json":"https://pith.science/pith/UPSIPE2DOQ7OGRSAXAA3ZSJN2P.json","graph_json":"https://pith.science/api/pith-number/UPSIPE2DOQ7OGRSAXAA3ZSJN2P/graph.json","events_json":"https://pith.science/api/pith-number/UPSIPE2DOQ7OGRSAXAA3ZSJN2P/events.json","paper":"https://pith.science/paper/UPSIPE2D"},"agent_actions":{"view_html":"https://pith.science/pith/UPSIPE2DOQ7OGRSAXAA3ZSJN2P","download_json":"https://pith.science/pith/UPSIPE2DOQ7OGRSAXAA3ZSJN2P.json","view_paper":"https://pith.science/paper/UPSIPE2D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1711.02300&json=true","fetch_graph":"https://pith.science/api/pith-number/UPSIPE2DOQ7OGRSAXAA3ZSJN2P/graph.json","fetch_events":"https://pith.science/api/pith-number/UPSIPE2DOQ7OGRSAXAA3ZSJN2P/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UPSIPE2DOQ7OGRSAXAA3ZSJN2P/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UPSIPE2DOQ7OGRSAXAA3ZSJN2P/action/storage_attestation","attest_author":"https://pith.science/pith/UPSIPE2DOQ7OGRSAXAA3ZSJN2P/action/author_attestation","sign_citation":"https://pith.science/pith/UPSIPE2DOQ7OGRSAXAA3ZSJN2P/action/citation_signature","submit_replication":"https://pith.science/pith/UPSIPE2DOQ7OGRSAXAA3ZSJN2P/action/replication_record"}},"created_at":"2026-05-18T00:29:24.329878+00:00","updated_at":"2026-05-18T00:29:24.329878+00:00"}