{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:WSIQFSI3LVNJQO2V5VGCWKEIQ7","short_pith_number":"pith:WSIQFSI3","schema_version":"1.0","canonical_sha256":"b49102c91b5d5a983b55ed4c2b288887f9696398d2c52cb8af39b99d783f51cd","source":{"kind":"arxiv","id":"1009.3018","version":2},"attestation_state":"computed","paper":{"title":"An in-depth study of grid-based asteroseismic analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Ning Gai, Sarbani Basu, William J. Chaplin, Yvonne Elsworth","submitted_at":"2010-09-15T20:00:06Z","abstract_excerpt":"NASA's Kepler mission is providing basic asteroseismic data for hundreds of stars. One of the more common ways of determining stellar characteristics from these data is by so-called \"grid based\" modelling. We have made a detailed study of grid-based analysis techniques to study the errors (and error-correlations) involved. As had been reported earlier, we find that it is relatively easy to get very precise values of stellar radii using grid-based techniques. However, we find that there are small, but significant, biases that can result because of the grid of models used. The biases can be mini"},"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":"1009.3018","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-15T20:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"7f441fdeaf8ae9780a401a3b1bab260ad5efe15507fa5bee2bf18759f2e9cf4c","abstract_canon_sha256":"e56282f51b67f9d650016d72b1e22fb99c3df9ecbbca568f7169d8fdf0490654"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:28.800140Z","signature_b64":"KI/n8MWZgDvFCp+glsFDbQEnoT962ech01jxUj6fFHOvyvGN+x9mSjKZXf5qmorlAFkBQK1v5sMBTdplBoiQAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b49102c91b5d5a983b55ed4c2b288887f9696398d2c52cb8af39b99d783f51cd","last_reissued_at":"2026-05-18T02:05:28.798885Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:28.798885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An in-depth study of grid-based asteroseismic analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Ning Gai, Sarbani Basu, William J. Chaplin, Yvonne Elsworth","submitted_at":"2010-09-15T20:00:06Z","abstract_excerpt":"NASA's Kepler mission is providing basic asteroseismic data for hundreds of stars. One of the more common ways of determining stellar characteristics from these data is by so-called \"grid based\" modelling. We have made a detailed study of grid-based analysis techniques to study the errors (and error-correlations) involved. As had been reported earlier, we find that it is relatively easy to get very precise values of stellar radii using grid-based techniques. However, we find that there are small, but significant, biases that can result because of the grid of models used. The biases can be mini"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.3018","kind":"arxiv","version":2},"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":"1009.3018","created_at":"2026-05-18T02:05:28.799233+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.3018v2","created_at":"2026-05-18T02:05:28.799233+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.3018","created_at":"2026-05-18T02:05:28.799233+00:00"},{"alias_kind":"pith_short_12","alias_value":"WSIQFSI3LVNJ","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_16","alias_value":"WSIQFSI3LVNJQO2V","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_8","alias_value":"WSIQFSI3","created_at":"2026-05-18T12:26:17.028572+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1906.12262","citing_title":"Asteroseismology of solar-type stars","ref_index":177,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WSIQFSI3LVNJQO2V5VGCWKEIQ7","json":"https://pith.science/pith/WSIQFSI3LVNJQO2V5VGCWKEIQ7.json","graph_json":"https://pith.science/api/pith-number/WSIQFSI3LVNJQO2V5VGCWKEIQ7/graph.json","events_json":"https://pith.science/api/pith-number/WSIQFSI3LVNJQO2V5VGCWKEIQ7/events.json","paper":"https://pith.science/paper/WSIQFSI3"},"agent_actions":{"view_html":"https://pith.science/pith/WSIQFSI3LVNJQO2V5VGCWKEIQ7","download_json":"https://pith.science/pith/WSIQFSI3LVNJQO2V5VGCWKEIQ7.json","view_paper":"https://pith.science/paper/WSIQFSI3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.3018&json=true","fetch_graph":"https://pith.science/api/pith-number/WSIQFSI3LVNJQO2V5VGCWKEIQ7/graph.json","fetch_events":"https://pith.science/api/pith-number/WSIQFSI3LVNJQO2V5VGCWKEIQ7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WSIQFSI3LVNJQO2V5VGCWKEIQ7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WSIQFSI3LVNJQO2V5VGCWKEIQ7/action/storage_attestation","attest_author":"https://pith.science/pith/WSIQFSI3LVNJQO2V5VGCWKEIQ7/action/author_attestation","sign_citation":"https://pith.science/pith/WSIQFSI3LVNJQO2V5VGCWKEIQ7/action/citation_signature","submit_replication":"https://pith.science/pith/WSIQFSI3LVNJQO2V5VGCWKEIQ7/action/replication_record"}},"created_at":"2026-05-18T02:05:28.799233+00:00","updated_at":"2026-05-18T02:05:28.799233+00:00"}