{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:F77JCNQM62R22F4VS2PZMCRSIV","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"071f60a3d9016c8368d6236264e81eb59a940273d5067301e277ce0f6882866e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-15T09:25:34Z","title_canon_sha256":"d438da97aaf2656f21d8799fd7d9e18bcf8458237256436d3c0336b093c93c93"},"schema_version":"1.0","source":{"id":"astro-ph/0509428","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0509428","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509428v1","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509428","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"pith_short_12","alias_value":"F77JCNQM62R2","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"F77JCNQM62R22F4V","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"F77JCNQM","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:977163eb5918a0b15fe7ec7ccc7c9c5520e4d75b9cf77b330db10cb7ba5389f9","target":"graph","created_at":"2026-05-18T04:33:50Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Solar-like oscillations detected in both components of the binary system alpha Centauri provide strong constraints on the fundamental parameters of the stellar system. We model alpha Centauri by means of a Levenberg-Marquardt minimization algorithm including seismic and classical constraints. Computations, that were perfomed decreasing significanly the weight of alpha Cen B seismic data in the calibration procedure, predict small separations in good agreement with new observations of solar-like oscillations in alpha Cen B by Bedding (these proceedings).","authors_text":"Andrea Miglio, Josefina Montalban","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-09-15T09:25:34Z","title":"Evolution and seismology of alpha Centauri"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509428","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:e368cd0e079abe82655c588b8856a3f51c37e0f306729f9d099f606ac65ef28d","target":"record","created_at":"2026-05-18T04:33:50Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"071f60a3d9016c8368d6236264e81eb59a940273d5067301e277ce0f6882866e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-15T09:25:34Z","title_canon_sha256":"d438da97aaf2656f21d8799fd7d9e18bcf8458237256436d3c0336b093c93c93"},"schema_version":"1.0","source":{"id":"astro-ph/0509428","kind":"arxiv","version":1}},"canonical_sha256":"2ffe91360cf6a3ad1795969f960a3245775ded7fd4f10fac613e109525bec5fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ffe91360cf6a3ad1795969f960a3245775ded7fd4f10fac613e109525bec5fa","first_computed_at":"2026-05-18T04:33:50.819234Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:50.819234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G/oYo6t2pxauQ1ePIVOp9tJ9BbZZyFfN5ahJq6gbqF7TOhj0DBMWwTPGHx0e3r65Qa75DYCS52kYMgTfIkjTCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:50.819950Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0509428","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e368cd0e079abe82655c588b8856a3f51c37e0f306729f9d099f606ac65ef28d","sha256:977163eb5918a0b15fe7ec7ccc7c9c5520e4d75b9cf77b330db10cb7ba5389f9"],"state_sha256":"31e048f64b8c514180a59bf831ddb78171e711ec3f32a8beec7d1a9f68e359c1"}