{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:TSWKUI3VIEUKUIZYNDM5WW24S3","short_pith_number":"pith:TSWKUI3V","schema_version":"1.0","canonical_sha256":"9cacaa23754128aa233868d9db5b5c96fee0ce3b4408613f2fda8810fa96019c","source":{"kind":"arxiv","id":"1803.05029","version":1},"attestation_state":"computed","paper":{"title":"Stellar Parameters and Radial Velocities of Hot Stars in the Carina Nebula","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Matthew S. Povich, M. Virginia McSwain, Richard J. Hanes","submitted_at":"2018-03-13T20:09:34Z","abstract_excerpt":"The Carina Nebula is an active star forming region in the southern sky that is of particular interest due to the presence of a large number of massive stars in a wide array of evolutionary stages. Here we present the results of the spectroscopic analysis of 82 B-type stars and 33 O-type stars that were observed in 2013 and 2014. For 82 B-type stars without line blending, we fit model spectra from the Tlusty BSTAR2006 grid to the observed profiles of H{\\gamma} and He {\\lambda}{\\lambda} 4026, 4388, and 4471 to measure the effective temperatures, surface gravities, and projected rotational veloci"},"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":"1803.05029","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-13T20:09:34Z","cross_cats_sorted":[],"title_canon_sha256":"6e8513e768a719b98bc36f637990cfd4e72819b09bcb07609da3de30249fe938","abstract_canon_sha256":"26a5e80ccce3c85f83089ff63438c90ef6842e3ed06dcf71a8643a375a4ace83"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:04.092113Z","signature_b64":"51CziN9ldWL3mb5ABd3zd4Cf1GFxVrejhiLS1jHz+8gMuN9cgxc7/ksBT3uSl2Nu6Qr3cIes45iO0fiSkGByAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9cacaa23754128aa233868d9db5b5c96fee0ce3b4408613f2fda8810fa96019c","last_reissued_at":"2026-05-18T00:17:04.091249Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:04.091249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stellar Parameters and Radial Velocities of Hot Stars in the Carina Nebula","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Matthew S. Povich, M. Virginia McSwain, Richard J. Hanes","submitted_at":"2018-03-13T20:09:34Z","abstract_excerpt":"The Carina Nebula is an active star forming region in the southern sky that is of particular interest due to the presence of a large number of massive stars in a wide array of evolutionary stages. Here we present the results of the spectroscopic analysis of 82 B-type stars and 33 O-type stars that were observed in 2013 and 2014. For 82 B-type stars without line blending, we fit model spectra from the Tlusty BSTAR2006 grid to the observed profiles of H{\\gamma} and He {\\lambda}{\\lambda} 4026, 4388, and 4471 to measure the effective temperatures, surface gravities, and projected rotational veloci"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.05029","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":"1803.05029","created_at":"2026-05-18T00:17:04.091481+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.05029v1","created_at":"2026-05-18T00:17:04.091481+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.05029","created_at":"2026-05-18T00:17:04.091481+00:00"},{"alias_kind":"pith_short_12","alias_value":"TSWKUI3VIEUK","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"TSWKUI3VIEUKUIZY","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"TSWKUI3V","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/TSWKUI3VIEUKUIZYNDM5WW24S3","json":"https://pith.science/pith/TSWKUI3VIEUKUIZYNDM5WW24S3.json","graph_json":"https://pith.science/api/pith-number/TSWKUI3VIEUKUIZYNDM5WW24S3/graph.json","events_json":"https://pith.science/api/pith-number/TSWKUI3VIEUKUIZYNDM5WW24S3/events.json","paper":"https://pith.science/paper/TSWKUI3V"},"agent_actions":{"view_html":"https://pith.science/pith/TSWKUI3VIEUKUIZYNDM5WW24S3","download_json":"https://pith.science/pith/TSWKUI3VIEUKUIZYNDM5WW24S3.json","view_paper":"https://pith.science/paper/TSWKUI3V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.05029&json=true","fetch_graph":"https://pith.science/api/pith-number/TSWKUI3VIEUKUIZYNDM5WW24S3/graph.json","fetch_events":"https://pith.science/api/pith-number/TSWKUI3VIEUKUIZYNDM5WW24S3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TSWKUI3VIEUKUIZYNDM5WW24S3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TSWKUI3VIEUKUIZYNDM5WW24S3/action/storage_attestation","attest_author":"https://pith.science/pith/TSWKUI3VIEUKUIZYNDM5WW24S3/action/author_attestation","sign_citation":"https://pith.science/pith/TSWKUI3VIEUKUIZYNDM5WW24S3/action/citation_signature","submit_replication":"https://pith.science/pith/TSWKUI3VIEUKUIZYNDM5WW24S3/action/replication_record"}},"created_at":"2026-05-18T00:17:04.091481+00:00","updated_at":"2026-05-18T00:17:04.091481+00:00"}