{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:UIYSVOEC5AZYYRCAT2DQLI3KQF","short_pith_number":"pith:UIYSVOEC","schema_version":"1.0","canonical_sha256":"a2312ab882e8338c44409e8705a36a814295f7ff1b00172a75c882131dcac519","source":{"kind":"arxiv","id":"1808.01399","version":1},"attestation_state":"computed","paper":{"title":"Differential interferometry of the rapid rotator Regulus","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Spang, M. Hadjara, P. Cruzal\\`ebes, R. G. Petrov, S. Jankov, S. Lagarde","submitted_at":"2018-08-04T01:20:29Z","abstract_excerpt":"We analyse interferometric data obtained for Regulus with AMBER (Astronomical Multi- BEam combineR) at high spectral resolution ($\\lambda/\\delta\\lambda \\approx 12000$) across the Br$\\gamma$ spectral line. The study of the photocentre displacement allows us to constrain a large number of stellar parameters -- equatorial radius $R_{\\rm eq}$, equatorial velocity $V_{\\rm eq}$, inclination $i$, rotation-axis position angle $PA_{\\rm rot}$, and flattening -- with an estimation of gravity-darkening coefficient $\\beta$ using previously published theoretical results. We use the Simulation Code of Interf"},"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":"1808.01399","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-08-04T01:20:29Z","cross_cats_sorted":[],"title_canon_sha256":"370ec25ac0e755594a2890d2f7d85a0fd2ee02f01f3e76d462a2132438bb21e4","abstract_canon_sha256":"6b3dad68366827cfee0b7bfb67fd366a6d416763502dd5697072a4840badf4e8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:53.156775Z","signature_b64":"tRWBI9EIw/AbbgtnSG/ScZxGaf4j+7LRasyySKFN4avo2yW2qX5yQly5HUztrhBTUNaXy43lCdIwLpg2DLnpDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2312ab882e8338c44409e8705a36a814295f7ff1b00172a75c882131dcac519","last_reissued_at":"2026-05-18T00:08:53.156054Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:53.156054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Differential interferometry of the rapid rotator Regulus","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Spang, M. Hadjara, P. Cruzal\\`ebes, R. G. Petrov, S. Jankov, S. Lagarde","submitted_at":"2018-08-04T01:20:29Z","abstract_excerpt":"We analyse interferometric data obtained for Regulus with AMBER (Astronomical Multi- BEam combineR) at high spectral resolution ($\\lambda/\\delta\\lambda \\approx 12000$) across the Br$\\gamma$ spectral line. The study of the photocentre displacement allows us to constrain a large number of stellar parameters -- equatorial radius $R_{\\rm eq}$, equatorial velocity $V_{\\rm eq}$, inclination $i$, rotation-axis position angle $PA_{\\rm rot}$, and flattening -- with an estimation of gravity-darkening coefficient $\\beta$ using previously published theoretical results. We use the Simulation Code of Interf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.01399","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":"1808.01399","created_at":"2026-05-18T00:08:53.156167+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.01399v1","created_at":"2026-05-18T00:08:53.156167+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.01399","created_at":"2026-05-18T00:08:53.156167+00:00"},{"alias_kind":"pith_short_12","alias_value":"UIYSVOEC5AZY","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"UIYSVOEC5AZYYRCA","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"UIYSVOEC","created_at":"2026-05-18T12:32:56.356000+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/UIYSVOEC5AZYYRCAT2DQLI3KQF","json":"https://pith.science/pith/UIYSVOEC5AZYYRCAT2DQLI3KQF.json","graph_json":"https://pith.science/api/pith-number/UIYSVOEC5AZYYRCAT2DQLI3KQF/graph.json","events_json":"https://pith.science/api/pith-number/UIYSVOEC5AZYYRCAT2DQLI3KQF/events.json","paper":"https://pith.science/paper/UIYSVOEC"},"agent_actions":{"view_html":"https://pith.science/pith/UIYSVOEC5AZYYRCAT2DQLI3KQF","download_json":"https://pith.science/pith/UIYSVOEC5AZYYRCAT2DQLI3KQF.json","view_paper":"https://pith.science/paper/UIYSVOEC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.01399&json=true","fetch_graph":"https://pith.science/api/pith-number/UIYSVOEC5AZYYRCAT2DQLI3KQF/graph.json","fetch_events":"https://pith.science/api/pith-number/UIYSVOEC5AZYYRCAT2DQLI3KQF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UIYSVOEC5AZYYRCAT2DQLI3KQF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UIYSVOEC5AZYYRCAT2DQLI3KQF/action/storage_attestation","attest_author":"https://pith.science/pith/UIYSVOEC5AZYYRCAT2DQLI3KQF/action/author_attestation","sign_citation":"https://pith.science/pith/UIYSVOEC5AZYYRCAT2DQLI3KQF/action/citation_signature","submit_replication":"https://pith.science/pith/UIYSVOEC5AZYYRCAT2DQLI3KQF/action/replication_record"}},"created_at":"2026-05-18T00:08:53.156167+00:00","updated_at":"2026-05-18T00:08:53.156167+00:00"}