{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:M7GWXLGBYSU4KMGWVHPOUT5B27","short_pith_number":"pith:M7GWXLGB","schema_version":"1.0","canonical_sha256":"67cd6bacc1c4a9c530d6a9deea4fa1d7f7a191b6ba642eba180b28b38ac68ac8","source":{"kind":"arxiv","id":"1109.4563","version":1},"attestation_state":"computed","paper":{"title":"Stellar Evolution with Pulsation-Driven Mass Loss: The Case of LMC Cepheids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"AIfA), Hilding Neilson (AIfA), Matteo Cantiello (KITP, Norbert Langer (AIfA)","submitted_at":"2011-09-21T15:55:20Z","abstract_excerpt":"The Cepheid mass discrepancy, the difference between mass estimates from stellar pulsation and stellar evolution models, is a long standing challenge for the understanding of stellar astrophysics. We discuss the current state of the mass discrepancy and test the role of pulsation-driven mass loss in state-of-the-art stellar evolution calculations of Large Magellanic Cepheids in resolving it. We find that Cepheid mass loss is a significant contributor to the mass discrepancy, but it is not clear if the metallicity dependence of Cepheid mass loss is consistent with the measured metallicity depen"},"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":"1109.4563","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-21T15:55:20Z","cross_cats_sorted":[],"title_canon_sha256":"ecc89501804c05ece24e35ad9d2d8061472b692032200d1be12ae571e0e9a6db","abstract_canon_sha256":"d5b1b1d56cdcf79e166518be2bf95665521817ff6906f295619349a4207626c0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:12:34.444596Z","signature_b64":"XdUA2QBClSBft9+4+qyLS8w5BfKDiy+4dJjpgR0F/9KYRif7hsJXUldoNfviNvX5AxE1o+Cp5Wj5LUJoFYdrAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67cd6bacc1c4a9c530d6a9deea4fa1d7f7a191b6ba642eba180b28b38ac68ac8","last_reissued_at":"2026-05-18T04:12:34.443679Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:12:34.443679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stellar Evolution with Pulsation-Driven Mass Loss: The Case of LMC Cepheids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"AIfA), Hilding Neilson (AIfA), Matteo Cantiello (KITP, Norbert Langer (AIfA)","submitted_at":"2011-09-21T15:55:20Z","abstract_excerpt":"The Cepheid mass discrepancy, the difference between mass estimates from stellar pulsation and stellar evolution models, is a long standing challenge for the understanding of stellar astrophysics. We discuss the current state of the mass discrepancy and test the role of pulsation-driven mass loss in state-of-the-art stellar evolution calculations of Large Magellanic Cepheids in resolving it. We find that Cepheid mass loss is a significant contributor to the mass discrepancy, but it is not clear if the metallicity dependence of Cepheid mass loss is consistent with the measured metallicity depen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4563","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":""},"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":"1109.4563","created_at":"2026-05-18T04:12:34.443796+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.4563v1","created_at":"2026-05-18T04:12:34.443796+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4563","created_at":"2026-05-18T04:12:34.443796+00:00"},{"alias_kind":"pith_short_12","alias_value":"M7GWXLGBYSU4","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_16","alias_value":"M7GWXLGBYSU4KMGW","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_8","alias_value":"M7GWXLGB","created_at":"2026-05-18T12:26:34.985390+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/M7GWXLGBYSU4KMGWVHPOUT5B27","json":"https://pith.science/pith/M7GWXLGBYSU4KMGWVHPOUT5B27.json","graph_json":"https://pith.science/api/pith-number/M7GWXLGBYSU4KMGWVHPOUT5B27/graph.json","events_json":"https://pith.science/api/pith-number/M7GWXLGBYSU4KMGWVHPOUT5B27/events.json","paper":"https://pith.science/paper/M7GWXLGB"},"agent_actions":{"view_html":"https://pith.science/pith/M7GWXLGBYSU4KMGWVHPOUT5B27","download_json":"https://pith.science/pith/M7GWXLGBYSU4KMGWVHPOUT5B27.json","view_paper":"https://pith.science/paper/M7GWXLGB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.4563&json=true","fetch_graph":"https://pith.science/api/pith-number/M7GWXLGBYSU4KMGWVHPOUT5B27/graph.json","fetch_events":"https://pith.science/api/pith-number/M7GWXLGBYSU4KMGWVHPOUT5B27/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M7GWXLGBYSU4KMGWVHPOUT5B27/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M7GWXLGBYSU4KMGWVHPOUT5B27/action/storage_attestation","attest_author":"https://pith.science/pith/M7GWXLGBYSU4KMGWVHPOUT5B27/action/author_attestation","sign_citation":"https://pith.science/pith/M7GWXLGBYSU4KMGWVHPOUT5B27/action/citation_signature","submit_replication":"https://pith.science/pith/M7GWXLGBYSU4KMGWVHPOUT5B27/action/replication_record"}},"created_at":"2026-05-18T04:12:34.443796+00:00","updated_at":"2026-05-18T04:12:34.443796+00:00"}