{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:JC6IJUX4DK3373BHV5WWHSQ5J7","short_pith_number":"pith:JC6IJUX4","schema_version":"1.0","canonical_sha256":"48bc84d2fc1ab7bfec27af6d63ca1d4fe07d9c9e50bfbbae61f5a76e1e00014b","source":{"kind":"arxiv","id":"1803.10522","version":2},"attestation_state":"computed","paper":{"title":"Discovery and characterisation of long-period eclipsing binary stars from Kepler K2 campaigns 1, 2 and 3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"P. F. L. Maxted, R. J. Hutcheon (Keele University, UK)","submitted_at":"2018-03-28T11:00:09Z","abstract_excerpt":"The Kepler K2 mission now makes it possible to find and study a wider variety of eclipsing binary stars than has been possible to-date, particularly long-period systems with narrow eclipses. Our aim is to characterise eclipsing binary stars observed by the Kepler K2 mission with orbital periods longer than $P\\approx 5.5$ days. The $ellc$ binary star model has been used to determine the geometry of eclipsing binary systems in Kepler K2 campaigns 1, 2 and 3. The nature of the stars in each binary is estimated by comparison to stellar evolution tracks in the effective temperature - mean stellar d"},"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":"1803.10522","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-28T11:00:09Z","cross_cats_sorted":[],"title_canon_sha256":"932f6738c921eb991e696799c0b9bea15971a68afbf5e6372e6ac992fbad36b3","abstract_canon_sha256":"e903d956cc9eeabd78a16433d161ec1fe1271d47a85eaf1a0c33194ee883c4c1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:07.891304Z","signature_b64":"6TjBOOY+HlXMBJB6WgtI2bb1sgscf3X7GvcefTCwuY495UtAVKHzmwRADKhIh4UTaajpd80/9A5Iyf5q3opjDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48bc84d2fc1ab7bfec27af6d63ca1d4fe07d9c9e50bfbbae61f5a76e1e00014b","last_reissued_at":"2026-05-18T00:08:07.890863Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:07.890863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery and characterisation of long-period eclipsing binary stars from Kepler K2 campaigns 1, 2 and 3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"P. F. L. Maxted, R. J. Hutcheon (Keele University, UK)","submitted_at":"2018-03-28T11:00:09Z","abstract_excerpt":"The Kepler K2 mission now makes it possible to find and study a wider variety of eclipsing binary stars than has been possible to-date, particularly long-period systems with narrow eclipses. Our aim is to characterise eclipsing binary stars observed by the Kepler K2 mission with orbital periods longer than $P\\approx 5.5$ days. The $ellc$ binary star model has been used to determine the geometry of eclipsing binary systems in Kepler K2 campaigns 1, 2 and 3. The nature of the stars in each binary is estimated by comparison to stellar evolution tracks in the effective temperature - mean stellar d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.10522","kind":"arxiv","version":2},"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":"1803.10522","created_at":"2026-05-18T00:08:07.890930+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.10522v2","created_at":"2026-05-18T00:08:07.890930+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.10522","created_at":"2026-05-18T00:08:07.890930+00:00"},{"alias_kind":"pith_short_12","alias_value":"JC6IJUX4DK33","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_16","alias_value":"JC6IJUX4DK3373BH","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_8","alias_value":"JC6IJUX4","created_at":"2026-05-18T12:32:31.084164+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/JC6IJUX4DK3373BHV5WWHSQ5J7","json":"https://pith.science/pith/JC6IJUX4DK3373BHV5WWHSQ5J7.json","graph_json":"https://pith.science/api/pith-number/JC6IJUX4DK3373BHV5WWHSQ5J7/graph.json","events_json":"https://pith.science/api/pith-number/JC6IJUX4DK3373BHV5WWHSQ5J7/events.json","paper":"https://pith.science/paper/JC6IJUX4"},"agent_actions":{"view_html":"https://pith.science/pith/JC6IJUX4DK3373BHV5WWHSQ5J7","download_json":"https://pith.science/pith/JC6IJUX4DK3373BHV5WWHSQ5J7.json","view_paper":"https://pith.science/paper/JC6IJUX4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.10522&json=true","fetch_graph":"https://pith.science/api/pith-number/JC6IJUX4DK3373BHV5WWHSQ5J7/graph.json","fetch_events":"https://pith.science/api/pith-number/JC6IJUX4DK3373BHV5WWHSQ5J7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JC6IJUX4DK3373BHV5WWHSQ5J7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JC6IJUX4DK3373BHV5WWHSQ5J7/action/storage_attestation","attest_author":"https://pith.science/pith/JC6IJUX4DK3373BHV5WWHSQ5J7/action/author_attestation","sign_citation":"https://pith.science/pith/JC6IJUX4DK3373BHV5WWHSQ5J7/action/citation_signature","submit_replication":"https://pith.science/pith/JC6IJUX4DK3373BHV5WWHSQ5J7/action/replication_record"}},"created_at":"2026-05-18T00:08:07.890930+00:00","updated_at":"2026-05-18T00:08:07.890930+00:00"}