{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:QKHRAP62IG3MMB5KRU3NHRX3GF","short_pith_number":"pith:QKHRAP62","schema_version":"1.0","canonical_sha256":"828f103fda41b6c607aa8d36d3c6fb316bb4bfb07a2e3a70f11ec6de57797cb5","source":{"kind":"arxiv","id":"1305.0265","version":2},"attestation_state":"computed","paper":{"title":"A Double White-Dwarf Cooling Sequence in {\\omega} Centauri","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Bellini (STScI), G. Piotto (UNIPD, INAF-OAPD), J. Anderson (STScI), L. R. Bedin (INAF-OAPD), M. Salaris (Liverpool John Moores University), P. Bergeron (Universit\\'e de Montr\\'eal), S. Cassisi (INAF-OATE)","submitted_at":"2013-05-01T20:00:01Z","abstract_excerpt":"We have applied our empirical-PSF-based photometric techniques on a large number of calibration-related WFC3/UVIS UV-B exposures of the core of {\\omega} Cen, and found a well-defined split in the right part of the white-dwarf cooling sequence (WDCS). The redder sequence is more populated by a factor of ~2. We can explain the separation of the two sequences and their number ratio in terms of the He-normal and He-rich subpopulations that had been previously identified along the cluster main sequence. The blue WDCS is populated by the evolved stars of the He-normal component (~0.55 Msun CO-core 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":"1305.0265","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-05-01T20:00:01Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"cb8bface6864b3927619f4453c29ff2b2d0b5c7afc62c0f7bbd60e0d8eabcd54","abstract_canon_sha256":"d952f595f218ca136b8f4e42e0fd6fb325b639877966648153beb45562385cad"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:13.590925Z","signature_b64":"sTk3T+XZ7UccBSlWfI3DvTdwvb4POV4OpP4fnNsqmBqhsh0cRVKoNdp3Cp5FSixi46fC+amqMLKGsrhrL+WDAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"828f103fda41b6c607aa8d36d3c6fb316bb4bfb07a2e3a70f11ec6de57797cb5","last_reissued_at":"2026-05-18T01:50:13.590272Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:13.590272Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Double White-Dwarf Cooling Sequence in {\\omega} Centauri","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Bellini (STScI), G. Piotto (UNIPD, INAF-OAPD), J. Anderson (STScI), L. R. Bedin (INAF-OAPD), M. Salaris (Liverpool John Moores University), P. Bergeron (Universit\\'e de Montr\\'eal), S. Cassisi (INAF-OATE)","submitted_at":"2013-05-01T20:00:01Z","abstract_excerpt":"We have applied our empirical-PSF-based photometric techniques on a large number of calibration-related WFC3/UVIS UV-B exposures of the core of {\\omega} Cen, and found a well-defined split in the right part of the white-dwarf cooling sequence (WDCS). The redder sequence is more populated by a factor of ~2. We can explain the separation of the two sequences and their number ratio in terms of the He-normal and He-rich subpopulations that had been previously identified along the cluster main sequence. The blue WDCS is populated by the evolved stars of the He-normal component (~0.55 Msun CO-core D"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0265","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":"1305.0265","created_at":"2026-05-18T01:50:13.590390+00:00"},{"alias_kind":"arxiv_version","alias_value":"1305.0265v2","created_at":"2026-05-18T01:50:13.590390+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0265","created_at":"2026-05-18T01:50:13.590390+00:00"},{"alias_kind":"pith_short_12","alias_value":"QKHRAP62IG3M","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_16","alias_value":"QKHRAP62IG3MMB5K","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_8","alias_value":"QKHRAP62","created_at":"2026-05-18T12:27:57.521954+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/QKHRAP62IG3MMB5KRU3NHRX3GF","json":"https://pith.science/pith/QKHRAP62IG3MMB5KRU3NHRX3GF.json","graph_json":"https://pith.science/api/pith-number/QKHRAP62IG3MMB5KRU3NHRX3GF/graph.json","events_json":"https://pith.science/api/pith-number/QKHRAP62IG3MMB5KRU3NHRX3GF/events.json","paper":"https://pith.science/paper/QKHRAP62"},"agent_actions":{"view_html":"https://pith.science/pith/QKHRAP62IG3MMB5KRU3NHRX3GF","download_json":"https://pith.science/pith/QKHRAP62IG3MMB5KRU3NHRX3GF.json","view_paper":"https://pith.science/paper/QKHRAP62","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1305.0265&json=true","fetch_graph":"https://pith.science/api/pith-number/QKHRAP62IG3MMB5KRU3NHRX3GF/graph.json","fetch_events":"https://pith.science/api/pith-number/QKHRAP62IG3MMB5KRU3NHRX3GF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QKHRAP62IG3MMB5KRU3NHRX3GF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QKHRAP62IG3MMB5KRU3NHRX3GF/action/storage_attestation","attest_author":"https://pith.science/pith/QKHRAP62IG3MMB5KRU3NHRX3GF/action/author_attestation","sign_citation":"https://pith.science/pith/QKHRAP62IG3MMB5KRU3NHRX3GF/action/citation_signature","submit_replication":"https://pith.science/pith/QKHRAP62IG3MMB5KRU3NHRX3GF/action/replication_record"}},"created_at":"2026-05-18T01:50:13.590390+00:00","updated_at":"2026-05-18T01:50:13.590390+00:00"}