{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:QCPPLNAZGF3ZTP5OX2RHDUY25B","short_pith_number":"pith:QCPPLNAZ","schema_version":"1.0","canonical_sha256":"809ef5b419317799bfaebea271d31ae85d00443864d55296f16fe3654d1d61a3","source":{"kind":"arxiv","id":"1411.7789","version":3},"attestation_state":"computed","paper":{"title":"Discovery of starspots on Vega - First spectroscopic detection of surface structures on a normal A-type star","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Blaz\\`ere, E. Alecian, F. Ligni\\`eres, F. Paletou, G.M. Mirouh, G. Wade, H. Carfantan, M. Holschneider, M. Rainer, P. Petit, T. B\\\"ohm","submitted_at":"2014-11-28T09:20:05Z","abstract_excerpt":"The theoretically studied impact of rapid rotation on stellar evolution needs to be confronted with the results of high resolution spectroscopy-velocimetry observations. A weak surface magnetic field had recently been detected in the A0 prototype star Vega, potentially leading to a (yet undetected) structured surface. The goal of this article is to present a thorough analysis of the line profile variations and associated estimators in the early-type standard star Vega (A0) in order reveal potential activity tracers, exoplanet companions and stellar oscillations. Vega was monitored in high-reso"},"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":"1411.7789","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-11-28T09:20:05Z","cross_cats_sorted":[],"title_canon_sha256":"f78f0ff0a9e27eed186242dbc706c29fcbc892e330739415bc3d2611ce284b30","abstract_canon_sha256":"af0f3a00d909a5998205019d6776086b97dd431ccf617ca037c328bb0061a8ef"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:49.519245Z","signature_b64":"f/jSW5R3xemC6MVrfHzeV0LV2tja6ERfDVU+5XFmoB5F2tPBONzz93ptGvH+3TkAc0Hax0qt+b6JJMEupQl+Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"809ef5b419317799bfaebea271d31ae85d00443864d55296f16fe3654d1d61a3","last_reissued_at":"2026-05-18T01:09:49.518531Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:49.518531Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of starspots on Vega - First spectroscopic detection of surface structures on a normal A-type star","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Blaz\\`ere, E. Alecian, F. Ligni\\`eres, F. Paletou, G.M. Mirouh, G. Wade, H. Carfantan, M. Holschneider, M. Rainer, P. Petit, T. B\\\"ohm","submitted_at":"2014-11-28T09:20:05Z","abstract_excerpt":"The theoretically studied impact of rapid rotation on stellar evolution needs to be confronted with the results of high resolution spectroscopy-velocimetry observations. A weak surface magnetic field had recently been detected in the A0 prototype star Vega, potentially leading to a (yet undetected) structured surface. The goal of this article is to present a thorough analysis of the line profile variations and associated estimators in the early-type standard star Vega (A0) in order reveal potential activity tracers, exoplanet companions and stellar oscillations. Vega was monitored in high-reso"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7789","kind":"arxiv","version":3},"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":"1411.7789","created_at":"2026-05-18T01:09:49.518639+00:00"},{"alias_kind":"arxiv_version","alias_value":"1411.7789v3","created_at":"2026-05-18T01:09:49.518639+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7789","created_at":"2026-05-18T01:09:49.518639+00:00"},{"alias_kind":"pith_short_12","alias_value":"QCPPLNAZGF3Z","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_16","alias_value":"QCPPLNAZGF3ZTP5O","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_8","alias_value":"QCPPLNAZ","created_at":"2026-05-18T12:28:43.426989+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/QCPPLNAZGF3ZTP5OX2RHDUY25B","json":"https://pith.science/pith/QCPPLNAZGF3ZTP5OX2RHDUY25B.json","graph_json":"https://pith.science/api/pith-number/QCPPLNAZGF3ZTP5OX2RHDUY25B/graph.json","events_json":"https://pith.science/api/pith-number/QCPPLNAZGF3ZTP5OX2RHDUY25B/events.json","paper":"https://pith.science/paper/QCPPLNAZ"},"agent_actions":{"view_html":"https://pith.science/pith/QCPPLNAZGF3ZTP5OX2RHDUY25B","download_json":"https://pith.science/pith/QCPPLNAZGF3ZTP5OX2RHDUY25B.json","view_paper":"https://pith.science/paper/QCPPLNAZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1411.7789&json=true","fetch_graph":"https://pith.science/api/pith-number/QCPPLNAZGF3ZTP5OX2RHDUY25B/graph.json","fetch_events":"https://pith.science/api/pith-number/QCPPLNAZGF3ZTP5OX2RHDUY25B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QCPPLNAZGF3ZTP5OX2RHDUY25B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QCPPLNAZGF3ZTP5OX2RHDUY25B/action/storage_attestation","attest_author":"https://pith.science/pith/QCPPLNAZGF3ZTP5OX2RHDUY25B/action/author_attestation","sign_citation":"https://pith.science/pith/QCPPLNAZGF3ZTP5OX2RHDUY25B/action/citation_signature","submit_replication":"https://pith.science/pith/QCPPLNAZGF3ZTP5OX2RHDUY25B/action/replication_record"}},"created_at":"2026-05-18T01:09:49.518639+00:00","updated_at":"2026-05-18T01:09:49.518639+00:00"}