{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:RHG66CRBTQFHM7FDQDXPKDTFKR","short_pith_number":"pith:RHG66CRB","schema_version":"1.0","canonical_sha256":"89cdef0a219c0a767ca380eef50e6554762cecbefc21f9f3709a6c6f976ce6f3","source":{"kind":"arxiv","id":"1110.2538","version":2},"attestation_state":"computed","paper":{"title":"A Swift Look at SN 2011fe: The Earliest Ultraviolet Observations of a Type Ia Supernova","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Caryl Gronwall, Kyle S. Dawson, Massimiliano De Pasquale, Michael Siegel, Paolo Mazzali, Paul Kuin, Peter J. Brown, Peter Milne, Samantha Oates, Stefan Immler, Stephen Holland","submitted_at":"2011-10-12T00:28:35Z","abstract_excerpt":"We present the earliest ultraviolet (UV) observations of the bright Type Ia supernova SN 2011fe/PTF11kly in the nearby galaxy M101 at a distance of only 6.4 Mpc. It was discovered shortly after explosion by the Palomar Transient Factory and first observed by Swift/UVOT about a day after explosion. The early UV light is well-defined, with ~20 data points per filter in the five days after explosion. These early and well-sampled UV observations form new template light curves for comparison with observations of other SNe Ia at low and high redshift. We report fits from semi-empirical models of the"},"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":"1110.2538","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-12T00:28:35Z","cross_cats_sorted":[],"title_canon_sha256":"41ab6d0f27362a03a445c17499548e5b03ef9d5e728c7adc9e1f6b630ba5ac1e","abstract_canon_sha256":"b67061d1d32daaf67965a6e57cdc242baee4454dc87cf45abd894ff60c469c41"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:13.453866Z","signature_b64":"xVtLPQ9GTuwQjgz+byjU0rmj/wz3rVvIgtsuZubSUOAlgqROFEM65V3P1dtfzssQnWQ1WioOi/FV0aKQn8GFCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89cdef0a219c0a767ca380eef50e6554762cecbefc21f9f3709a6c6f976ce6f3","last_reissued_at":"2026-05-18T02:00:13.453303Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:13.453303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Swift Look at SN 2011fe: The Earliest Ultraviolet Observations of a Type Ia Supernova","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Caryl Gronwall, Kyle S. Dawson, Massimiliano De Pasquale, Michael Siegel, Paolo Mazzali, Paul Kuin, Peter J. Brown, Peter Milne, Samantha Oates, Stefan Immler, Stephen Holland","submitted_at":"2011-10-12T00:28:35Z","abstract_excerpt":"We present the earliest ultraviolet (UV) observations of the bright Type Ia supernova SN 2011fe/PTF11kly in the nearby galaxy M101 at a distance of only 6.4 Mpc. It was discovered shortly after explosion by the Palomar Transient Factory and first observed by Swift/UVOT about a day after explosion. The early UV light is well-defined, with ~20 data points per filter in the five days after explosion. These early and well-sampled UV observations form new template light curves for comparison with observations of other SNe Ia at low and high redshift. We report fits from semi-empirical models of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2538","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":"1110.2538","created_at":"2026-05-18T02:00:13.453380+00:00"},{"alias_kind":"arxiv_version","alias_value":"1110.2538v2","created_at":"2026-05-18T02:00:13.453380+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2538","created_at":"2026-05-18T02:00:13.453380+00:00"},{"alias_kind":"pith_short_12","alias_value":"RHG66CRBTQFH","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_16","alias_value":"RHG66CRBTQFHM7FD","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_8","alias_value":"RHG66CRB","created_at":"2026-05-18T12:26:41.206345+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/RHG66CRBTQFHM7FDQDXPKDTFKR","json":"https://pith.science/pith/RHG66CRBTQFHM7FDQDXPKDTFKR.json","graph_json":"https://pith.science/api/pith-number/RHG66CRBTQFHM7FDQDXPKDTFKR/graph.json","events_json":"https://pith.science/api/pith-number/RHG66CRBTQFHM7FDQDXPKDTFKR/events.json","paper":"https://pith.science/paper/RHG66CRB"},"agent_actions":{"view_html":"https://pith.science/pith/RHG66CRBTQFHM7FDQDXPKDTFKR","download_json":"https://pith.science/pith/RHG66CRBTQFHM7FDQDXPKDTFKR.json","view_paper":"https://pith.science/paper/RHG66CRB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1110.2538&json=true","fetch_graph":"https://pith.science/api/pith-number/RHG66CRBTQFHM7FDQDXPKDTFKR/graph.json","fetch_events":"https://pith.science/api/pith-number/RHG66CRBTQFHM7FDQDXPKDTFKR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RHG66CRBTQFHM7FDQDXPKDTFKR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RHG66CRBTQFHM7FDQDXPKDTFKR/action/storage_attestation","attest_author":"https://pith.science/pith/RHG66CRBTQFHM7FDQDXPKDTFKR/action/author_attestation","sign_citation":"https://pith.science/pith/RHG66CRBTQFHM7FDQDXPKDTFKR/action/citation_signature","submit_replication":"https://pith.science/pith/RHG66CRBTQFHM7FDQDXPKDTFKR/action/replication_record"}},"created_at":"2026-05-18T02:00:13.453380+00:00","updated_at":"2026-05-18T02:00:13.453380+00:00"}