{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:O5FBWUBKREVA7BO2N2SWYZT65J","short_pith_number":"pith:O5FBWUBK","schema_version":"1.0","canonical_sha256":"774a1b502a892a0f85da6ea56c667eea4c6780f14f78623715990e113111eecb","source":{"kind":"arxiv","id":"2409.07530","version":1},"attestation_state":"computed","paper":{"title":"On the dynamical evolution of Cepheid multiplicity in star clusters and its implications for B-star multiplicity at birth","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Franti\\v{s}ek Dinnbier, Pavel Kroupa, Richard I. Anderson","submitted_at":"2024-09-11T18:00:07Z","abstract_excerpt":"Classical Cepheid variable stars provide a unique probe to binary evolution in intermediate-mass stars over the course of several tens to hundreds of Myr. We studied the binary and multiple properties of Cepheids, assuming that all mid-B stars form in binaries inside star clusters. The binaries were subjected both to stellar evolution and dynamical encounters with other stars in the cluster. The dynamical cluster environment results in a higher binary fraction among the Cepheids that remain in star clusters ($\\approx 60$%) than among the Cepheids which have escaped to the field ($\\approx 35$%)"},"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":"2409.07530","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-11T18:00:07Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b3b9f12cc262764570041d55172e84052fe07bc4d52ec14423667ba1a5899fd2","abstract_canon_sha256":"408f6d87959752eec54c6e12d319f3cd01164651aa8d1038c74ecad099e6eb88"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:23:58.750274Z","signature_b64":"sxatGxOrl0YnmN9NaapBx8hheiDdKkCM8HuAZIuK5kOr8A2l7KuE0MYieHFoB54BXJ+qIhoQPCYUFexHALTtAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"774a1b502a892a0f85da6ea56c667eea4c6780f14f78623715990e113111eecb","last_reissued_at":"2026-07-05T09:23:58.749805Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:23:58.749805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the dynamical evolution of Cepheid multiplicity in star clusters and its implications for B-star multiplicity at birth","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Franti\\v{s}ek Dinnbier, Pavel Kroupa, Richard I. Anderson","submitted_at":"2024-09-11T18:00:07Z","abstract_excerpt":"Classical Cepheid variable stars provide a unique probe to binary evolution in intermediate-mass stars over the course of several tens to hundreds of Myr. We studied the binary and multiple properties of Cepheids, assuming that all mid-B stars form in binaries inside star clusters. The binaries were subjected both to stellar evolution and dynamical encounters with other stars in the cluster. The dynamical cluster environment results in a higher binary fraction among the Cepheids that remain in star clusters ($\\approx 60$%) than among the Cepheids which have escaped to the field ($\\approx 35$%)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.07530","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/2409.07530/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":"2409.07530","created_at":"2026-07-05T09:23:58.749874+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.07530v1","created_at":"2026-07-05T09:23:58.749874+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.07530","created_at":"2026-07-05T09:23:58.749874+00:00"},{"alias_kind":"pith_short_12","alias_value":"O5FBWUBKREVA","created_at":"2026-07-05T09:23:58.749874+00:00"},{"alias_kind":"pith_short_16","alias_value":"O5FBWUBKREVA7BO2","created_at":"2026-07-05T09:23:58.749874+00:00"},{"alias_kind":"pith_short_8","alias_value":"O5FBWUBK","created_at":"2026-07-05T09:23:58.749874+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.09076","citing_title":"A novel q-PED method: precise physical properties of a merger-origin binary Cepheid OGLE-LMC-CEP-1347","ref_index":15,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/O5FBWUBKREVA7BO2N2SWYZT65J","json":"https://pith.science/pith/O5FBWUBKREVA7BO2N2SWYZT65J.json","graph_json":"https://pith.science/api/pith-number/O5FBWUBKREVA7BO2N2SWYZT65J/graph.json","events_json":"https://pith.science/api/pith-number/O5FBWUBKREVA7BO2N2SWYZT65J/events.json","paper":"https://pith.science/paper/O5FBWUBK"},"agent_actions":{"view_html":"https://pith.science/pith/O5FBWUBKREVA7BO2N2SWYZT65J","download_json":"https://pith.science/pith/O5FBWUBKREVA7BO2N2SWYZT65J.json","view_paper":"https://pith.science/paper/O5FBWUBK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.07530&json=true","fetch_graph":"https://pith.science/api/pith-number/O5FBWUBKREVA7BO2N2SWYZT65J/graph.json","fetch_events":"https://pith.science/api/pith-number/O5FBWUBKREVA7BO2N2SWYZT65J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/O5FBWUBKREVA7BO2N2SWYZT65J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/O5FBWUBKREVA7BO2N2SWYZT65J/action/storage_attestation","attest_author":"https://pith.science/pith/O5FBWUBKREVA7BO2N2SWYZT65J/action/author_attestation","sign_citation":"https://pith.science/pith/O5FBWUBKREVA7BO2N2SWYZT65J/action/citation_signature","submit_replication":"https://pith.science/pith/O5FBWUBKREVA7BO2N2SWYZT65J/action/replication_record"}},"created_at":"2026-07-05T09:23:58.749874+00:00","updated_at":"2026-07-05T09:23:58.749874+00:00"}