{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:MDOZJW4ZDAYW5LSE2W5FUX24EX","short_pith_number":"pith:MDOZJW4Z","schema_version":"1.0","canonical_sha256":"60dd94db9918316eae44d5ba5a5f5c25f15f8551ab2705d13e85a0ec4351421f","source":{"kind":"arxiv","id":"1809.09150","version":1},"attestation_state":"computed","paper":{"title":"The impact of pre-white dwarf evolution on the pulsational properties and asteroseismological inferences of ZZ Ceti stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. D. Romero, A. H. C\\'orsico, F. C. De Ger\\'onimo, L. G. Althaus, S. O. Kepler","submitted_at":"2018-09-24T18:24:01Z","abstract_excerpt":"ZZ Ceti stars are pulsating white dwarfs with a carbon-oxygen core (or possibly ONe for the most massive stars) build up during the core helium burning (CHeB) and thermally pulsing Asymptotic Giant Branch (TP-AGB) phases. Through the interpretation of their pulsation periods by means of asteroseismology, details about their origin and evolution can be inferred. The whole pulsation spectrum exhibited by ZZ Ceti stars strongly depend on the inner chemical structure. At present, there are several processes affecting the chemical profiles that are still not accurately determined. We present a stud"},"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":"1809.09150","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-09-24T18:24:01Z","cross_cats_sorted":[],"title_canon_sha256":"9547c51067c5a86f19312061855acdf64ccee246dd964343f701ef7c52b2cdca","abstract_canon_sha256":"dd5cc7e8efe8cb535301edaecb31905e286aeb3a7fa5e745ba7ff131d1a59f7e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:54.162806Z","signature_b64":"tsz6Xse3SmXgfA3KCSViHbtCdQucP1kXIpB1BCG8N0201VPAP3SOs8J9OUDsqom0bPDfY1h+ZlDvkLPiswtYBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60dd94db9918316eae44d5ba5a5f5c25f15f8551ab2705d13e85a0ec4351421f","last_reissued_at":"2026-05-18T00:04:54.162160Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:54.162160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The impact of pre-white dwarf evolution on the pulsational properties and asteroseismological inferences of ZZ Ceti stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. D. Romero, A. H. C\\'orsico, F. C. De Ger\\'onimo, L. G. Althaus, S. O. Kepler","submitted_at":"2018-09-24T18:24:01Z","abstract_excerpt":"ZZ Ceti stars are pulsating white dwarfs with a carbon-oxygen core (or possibly ONe for the most massive stars) build up during the core helium burning (CHeB) and thermally pulsing Asymptotic Giant Branch (TP-AGB) phases. Through the interpretation of their pulsation periods by means of asteroseismology, details about their origin and evolution can be inferred. The whole pulsation spectrum exhibited by ZZ Ceti stars strongly depend on the inner chemical structure. At present, there are several processes affecting the chemical profiles that are still not accurately determined. We present a stud"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.09150","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":"1809.09150","created_at":"2026-05-18T00:04:54.162245+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.09150v1","created_at":"2026-05-18T00:04:54.162245+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.09150","created_at":"2026-05-18T00:04:54.162245+00:00"},{"alias_kind":"pith_short_12","alias_value":"MDOZJW4ZDAYW","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_16","alias_value":"MDOZJW4ZDAYW5LSE","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_8","alias_value":"MDOZJW4Z","created_at":"2026-05-18T12:32:37.024351+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/MDOZJW4ZDAYW5LSE2W5FUX24EX","json":"https://pith.science/pith/MDOZJW4ZDAYW5LSE2W5FUX24EX.json","graph_json":"https://pith.science/api/pith-number/MDOZJW4ZDAYW5LSE2W5FUX24EX/graph.json","events_json":"https://pith.science/api/pith-number/MDOZJW4ZDAYW5LSE2W5FUX24EX/events.json","paper":"https://pith.science/paper/MDOZJW4Z"},"agent_actions":{"view_html":"https://pith.science/pith/MDOZJW4ZDAYW5LSE2W5FUX24EX","download_json":"https://pith.science/pith/MDOZJW4ZDAYW5LSE2W5FUX24EX.json","view_paper":"https://pith.science/paper/MDOZJW4Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.09150&json=true","fetch_graph":"https://pith.science/api/pith-number/MDOZJW4ZDAYW5LSE2W5FUX24EX/graph.json","fetch_events":"https://pith.science/api/pith-number/MDOZJW4ZDAYW5LSE2W5FUX24EX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MDOZJW4ZDAYW5LSE2W5FUX24EX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MDOZJW4ZDAYW5LSE2W5FUX24EX/action/storage_attestation","attest_author":"https://pith.science/pith/MDOZJW4ZDAYW5LSE2W5FUX24EX/action/author_attestation","sign_citation":"https://pith.science/pith/MDOZJW4ZDAYW5LSE2W5FUX24EX/action/citation_signature","submit_replication":"https://pith.science/pith/MDOZJW4ZDAYW5LSE2W5FUX24EX/action/replication_record"}},"created_at":"2026-05-18T00:04:54.162245+00:00","updated_at":"2026-05-18T00:04:54.162245+00:00"}