{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:AHDKJUDSIDH7J53S5AXFIH6RC7","short_pith_number":"pith:AHDKJUDS","schema_version":"1.0","canonical_sha256":"01c6a4d07240cff4f772e82e541fd117d01c6e2377164f203e122762f2b27bdc","source":{"kind":"arxiv","id":"astro-ph/0511074","version":1},"attestation_state":"computed","paper":{"title":"Evolution of the First Stars: CNO Yields and the C-rich Extremely Metal Poor Stars","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andre Maeder, Georges Meynet, Sylvia Ekstrom","submitted_at":"2005-11-02T14:58:14Z","abstract_excerpt":"Rotating massive stars at $Z=10^{-8}$ and $10^{-5}$ lose a great part of their initial mass through stellar winds. The chemical composition of the rotationally enhanced winds of very low $Z$ stars is very peculiar. The winds show large CNO enhancements by factors of $10^3$ to $10^7$, together with large excesses of $^{13}$C and $^{17}$O and moderate amounts of Na and Al. The excesses of primary N are particularly striking. When these ejecta from the rotationally enhanced winds are diluted with the supernova ejecta from the corresponding CO cores, we find [C/Fe], [N/Fe],[O/Fe] abundance ratios "},"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":"astro-ph/0511074","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-11-02T14:58:14Z","cross_cats_sorted":[],"title_canon_sha256":"fb489a12b51ec42dd5f1753e93ac407a107fb6e76e29b93825fbf64d88b6c28c","abstract_canon_sha256":"b286c13e7692e007f1d560c48b5a0efe108f9e684eab244129e9726cceba40be"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:53:01.373225Z","signature_b64":"Na9CQWTKZ/xZOwZ4sNefZozLpT+aZwBRMHslSNmCJ+5/KYnaMsDb7fAdpcxtsotDM2Pv2ZSiAwfU/PcKwQT5Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01c6a4d07240cff4f772e82e541fd117d01c6e2377164f203e122762f2b27bdc","last_reissued_at":"2026-07-04T16:53:01.372845Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:53:01.372845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evolution of the First Stars: CNO Yields and the C-rich Extremely Metal Poor Stars","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andre Maeder, Georges Meynet, Sylvia Ekstrom","submitted_at":"2005-11-02T14:58:14Z","abstract_excerpt":"Rotating massive stars at $Z=10^{-8}$ and $10^{-5}$ lose a great part of their initial mass through stellar winds. The chemical composition of the rotationally enhanced winds of very low $Z$ stars is very peculiar. The winds show large CNO enhancements by factors of $10^3$ to $10^7$, together with large excesses of $^{13}$C and $^{17}$O and moderate amounts of Na and Al. The excesses of primary N are particularly striking. When these ejecta from the rotationally enhanced winds are diluted with the supernova ejecta from the corresponding CO cores, we find [C/Fe], [N/Fe],[O/Fe] abundance ratios "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0511074","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/astro-ph/0511074/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":"astro-ph/0511074","created_at":"2026-07-04T16:53:01.372900+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0511074v1","created_at":"2026-07-04T16:53:01.372900+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0511074","created_at":"2026-07-04T16:53:01.372900+00:00"},{"alias_kind":"pith_short_12","alias_value":"AHDKJUDSIDH7","created_at":"2026-07-04T16:53:01.372900+00:00"},{"alias_kind":"pith_short_16","alias_value":"AHDKJUDSIDH7J53S","created_at":"2026-07-04T16:53:01.372900+00:00"},{"alias_kind":"pith_short_8","alias_value":"AHDKJUDS","created_at":"2026-07-04T16:53:01.372900+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/AHDKJUDSIDH7J53S5AXFIH6RC7","json":"https://pith.science/pith/AHDKJUDSIDH7J53S5AXFIH6RC7.json","graph_json":"https://pith.science/api/pith-number/AHDKJUDSIDH7J53S5AXFIH6RC7/graph.json","events_json":"https://pith.science/api/pith-number/AHDKJUDSIDH7J53S5AXFIH6RC7/events.json","paper":"https://pith.science/paper/AHDKJUDS"},"agent_actions":{"view_html":"https://pith.science/pith/AHDKJUDSIDH7J53S5AXFIH6RC7","download_json":"https://pith.science/pith/AHDKJUDSIDH7J53S5AXFIH6RC7.json","view_paper":"https://pith.science/paper/AHDKJUDS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0511074&json=true","fetch_graph":"https://pith.science/api/pith-number/AHDKJUDSIDH7J53S5AXFIH6RC7/graph.json","fetch_events":"https://pith.science/api/pith-number/AHDKJUDSIDH7J53S5AXFIH6RC7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AHDKJUDSIDH7J53S5AXFIH6RC7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AHDKJUDSIDH7J53S5AXFIH6RC7/action/storage_attestation","attest_author":"https://pith.science/pith/AHDKJUDSIDH7J53S5AXFIH6RC7/action/author_attestation","sign_citation":"https://pith.science/pith/AHDKJUDSIDH7J53S5AXFIH6RC7/action/citation_signature","submit_replication":"https://pith.science/pith/AHDKJUDSIDH7J53S5AXFIH6RC7/action/replication_record"}},"created_at":"2026-07-04T16:53:01.372900+00:00","updated_at":"2026-07-04T16:53:01.372900+00:00"}