{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1995:Y2SY42ZNEZ4SVZJXPCJQ5UOFOU","short_pith_number":"pith:Y2SY42ZN","schema_version":"1.0","canonical_sha256":"c6a58e6b2d26792ae53778930ed1c5750ccd90381aae22a5a9dd964629f84ea7","source":{"kind":"arxiv","id":"astro-ph/9511039","version":1},"attestation_state":"computed","paper":{"title":"Horizontal Branch Stellar Evolution","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ben Dorman (LASP-NASA/GSFC)","submitted_at":"1995-11-09T18:52:49Z","abstract_excerpt":"I review aspects of the evolution of horizontal branch (HB) stars. I start by discussing current topics in the study of HB stellar evolution, including a brief review of the main determinants of the structure of low-mass core helium burning stars and of HB morphology. I describe the `first' and `second' parameter effects on HB morphology, and attempt to summarize the current state of affairs and how future investigations might improve our findings in this area. I also briefly discuss the topic that has generated the most theoretical attention over the last 5 years, that of the hot end of HB se"},"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/9511039","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1995-11-09T18:52:49Z","cross_cats_sorted":[],"title_canon_sha256":"5fc899455e6d93eb71a4f321381d34180fc12aff00c57f333ed760d9c14da4f7","abstract_canon_sha256":"f46c25052fe882eddf4b0b5dc210d09d42046707648cc194bf5f543e5a07ad01"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:14:38.356632Z","signature_b64":"Sw8An6KqL+oOr2jiV6LRA/UiJ2KRzi3NKTVaZv8ARKCoLStXdeukT1SkRxOUw/rA1uyK/e0hYX0hSnLxxFnhAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6a58e6b2d26792ae53778930ed1c5750ccd90381aae22a5a9dd964629f84ea7","last_reissued_at":"2026-07-04T14:14:38.356251Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:14:38.356251Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Horizontal Branch Stellar Evolution","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ben Dorman (LASP-NASA/GSFC)","submitted_at":"1995-11-09T18:52:49Z","abstract_excerpt":"I review aspects of the evolution of horizontal branch (HB) stars. I start by discussing current topics in the study of HB stellar evolution, including a brief review of the main determinants of the structure of low-mass core helium burning stars and of HB morphology. I describe the `first' and `second' parameter effects on HB morphology, and attempt to summarize the current state of affairs and how future investigations might improve our findings in this area. I also briefly discuss the topic that has generated the most theoretical attention over the last 5 years, that of the hot end of HB se"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9511039","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/9511039/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/9511039","created_at":"2026-07-04T14:14:38.356308+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9511039v1","created_at":"2026-07-04T14:14:38.356308+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9511039","created_at":"2026-07-04T14:14:38.356308+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y2SY42ZNEZ4S","created_at":"2026-07-04T14:14:38.356308+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y2SY42ZNEZ4SVZJX","created_at":"2026-07-04T14:14:38.356308+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y2SY42ZN","created_at":"2026-07-04T14:14:38.356308+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/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU","json":"https://pith.science/pith/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU.json","graph_json":"https://pith.science/api/pith-number/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU/graph.json","events_json":"https://pith.science/api/pith-number/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU/events.json","paper":"https://pith.science/paper/Y2SY42ZN"},"agent_actions":{"view_html":"https://pith.science/pith/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU","download_json":"https://pith.science/pith/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU.json","view_paper":"https://pith.science/paper/Y2SY42ZN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9511039&json=true","fetch_graph":"https://pith.science/api/pith-number/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU/graph.json","fetch_events":"https://pith.science/api/pith-number/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU/action/storage_attestation","attest_author":"https://pith.science/pith/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU/action/author_attestation","sign_citation":"https://pith.science/pith/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU/action/citation_signature","submit_replication":"https://pith.science/pith/Y2SY42ZNEZ4SVZJXPCJQ5UOFOU/action/replication_record"}},"created_at":"2026-07-04T14:14:38.356308+00:00","updated_at":"2026-07-04T14:14:38.356308+00:00"}