{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:WUIJIZA34EFDCLKOZD3SCAILTK","short_pith_number":"pith:WUIJIZA3","schema_version":"1.0","canonical_sha256":"b51094641be10a312d4ec8f721010b9aa0f0fe624a73ad590ba119ba9af61914","source":{"kind":"arxiv","id":"2212.04518","version":1},"attestation_state":"computed","paper":{"title":"Discovery of a binary-origin classical Cepheid in a binary system with a 59-day orbital period","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Bogumi{\\l} Pilecki, Felipe Espinoza-Arancibia, Gergely Hajdu, Giuseppe Bono, Grzegorz Pietrzy\\'nski, Ian B. Thompson, Javier Minniti, M\\'onica Taormina, Richard I. Anderson, Weronika Narloch, Wolfgang Gieren","submitted_at":"2022-12-08T19:00:25Z","abstract_excerpt":"We report the discovery of a surprising binary configuration of the double-mode Cepheid OGLE-LMC-CEP-1347 pulsating in the first (P_1=0.690d) and second overtone (P_2=0.556d) modes. The orbital period (P_orb=59d) of the system is five times shorter than the shortest known to date (310d) for a binary Cepheid. The Cepheid itself is also the shortest-period one ever found in a binary system and the first double-mode Cepheid in a spectroscopically double-lined binary. OGLE-LMC-CEP-1347 is most probably on its first crossing through the instability strip, as inferred from both its short period and "},"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":"2212.04518","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-12-08T19:00:25Z","cross_cats_sorted":[],"title_canon_sha256":"ccc8715748c2a7ec8e3a868d5e566c4a13624083bd362a55b7ad86125a98c05c","abstract_canon_sha256":"fc1c39920a80ce76e4e71e4a7b12c33b74757a8f356e2710ab03aca054316221"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:23:48.634279Z","signature_b64":"QOvDpxBvFIEliv8P7+k2144/13uMNzUoToDRDbPbJd3MxyIEP2NBNOH2NDtWQu0ZJY5wCImLwRc7qurWci7CDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b51094641be10a312d4ec8f721010b9aa0f0fe624a73ad590ba119ba9af61914","last_reissued_at":"2026-07-05T05:23:48.633796Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:23:48.633796Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of a binary-origin classical Cepheid in a binary system with a 59-day orbital period","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Bogumi{\\l} Pilecki, Felipe Espinoza-Arancibia, Gergely Hajdu, Giuseppe Bono, Grzegorz Pietrzy\\'nski, Ian B. Thompson, Javier Minniti, M\\'onica Taormina, Richard I. Anderson, Weronika Narloch, Wolfgang Gieren","submitted_at":"2022-12-08T19:00:25Z","abstract_excerpt":"We report the discovery of a surprising binary configuration of the double-mode Cepheid OGLE-LMC-CEP-1347 pulsating in the first (P_1=0.690d) and second overtone (P_2=0.556d) modes. The orbital period (P_orb=59d) of the system is five times shorter than the shortest known to date (310d) for a binary Cepheid. The Cepheid itself is also the shortest-period one ever found in a binary system and the first double-mode Cepheid in a spectroscopically double-lined binary. OGLE-LMC-CEP-1347 is most probably on its first crossing through the instability strip, as inferred from both its short period and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.04518","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2212.04518/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2212.04518","created_at":"2026-07-05T05:23:48.633866+00:00"},{"alias_kind":"arxiv_version","alias_value":"2212.04518v1","created_at":"2026-07-05T05:23:48.633866+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.04518","created_at":"2026-07-05T05:23:48.633866+00:00"},{"alias_kind":"pith_short_12","alias_value":"WUIJIZA34EFD","created_at":"2026-07-05T05:23:48.633866+00:00"},{"alias_kind":"pith_short_16","alias_value":"WUIJIZA34EFDCLKO","created_at":"2026-07-05T05:23:48.633866+00:00"},{"alias_kind":"pith_short_8","alias_value":"WUIJIZA3","created_at":"2026-07-05T05:23:48.633866+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/WUIJIZA34EFDCLKOZD3SCAILTK","json":"https://pith.science/pith/WUIJIZA34EFDCLKOZD3SCAILTK.json","graph_json":"https://pith.science/api/pith-number/WUIJIZA34EFDCLKOZD3SCAILTK/graph.json","events_json":"https://pith.science/api/pith-number/WUIJIZA34EFDCLKOZD3SCAILTK/events.json","paper":"https://pith.science/paper/WUIJIZA3"},"agent_actions":{"view_html":"https://pith.science/pith/WUIJIZA34EFDCLKOZD3SCAILTK","download_json":"https://pith.science/pith/WUIJIZA34EFDCLKOZD3SCAILTK.json","view_paper":"https://pith.science/paper/WUIJIZA3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2212.04518&json=true","fetch_graph":"https://pith.science/api/pith-number/WUIJIZA34EFDCLKOZD3SCAILTK/graph.json","fetch_events":"https://pith.science/api/pith-number/WUIJIZA34EFDCLKOZD3SCAILTK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WUIJIZA34EFDCLKOZD3SCAILTK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WUIJIZA34EFDCLKOZD3SCAILTK/action/storage_attestation","attest_author":"https://pith.science/pith/WUIJIZA34EFDCLKOZD3SCAILTK/action/author_attestation","sign_citation":"https://pith.science/pith/WUIJIZA34EFDCLKOZD3SCAILTK/action/citation_signature","submit_replication":"https://pith.science/pith/WUIJIZA34EFDCLKOZD3SCAILTK/action/replication_record"}},"created_at":"2026-07-05T05:23:48.633866+00:00","updated_at":"2026-07-05T05:23:48.633866+00:00"}