{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:53OMKMYFQYIVM6RHZFDCBFRFK7","short_pith_number":"pith:53OMKMYF","schema_version":"1.0","canonical_sha256":"eedcc533058611567a27c94620962557efec256e76c2460ce198ffce65d5de8d","source":{"kind":"arxiv","id":"astro-ph/0509557","version":4},"attestation_state":"computed","paper":{"title":"The Unique Type Ib Supernova 2005bf: A WN Star Explosion Model for Peculiar Light Curves and Spectra","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Szentgyorgyi, C.H. Blake, D.K. Sahu, E.E. Falco, G.C. Anupama, H. Umeda, J. Deng, J.S. Bloom, K. Kawabata, K. Maeda, K. Nomoto, M.F. Skrutskie, M. Hicken, M. Iye, M. Modjaz, M. Tanaka, N. Inada, N. Tominaga, P.A. Mazzali, P. Challis, R.P. Kirshner, T. Minezaki, T.P. Prabhu, W.M. Wood-Vasey, Y. Yoshii","submitted_at":"2005-09-19T18:16:29Z","abstract_excerpt":"Observations and modeling for the light curve (LC) and spectra of supernova (SN) 2005bf are reported. This SN showed unique features: the LC had two maxima, and declined rapidly after the second maximum, while the spectra showed strengthening He lines whose velocity increased with time. The double-peaked LC can be reproduced by a double-peaked $^{56}$Ni distribution, with most $^{56}$Ni at low velocity and a small amount at high velocity. The rapid post-maximum decline requires a large fraction of the $\\gamma$-rays to escape from the $^{56}$Ni-dominated region, possibly because of low-density "},"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":"astro-ph/0509557","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-19T18:16:29Z","cross_cats_sorted":[],"title_canon_sha256":"b90fb3b75f788cb4b9c26c13b013252ec35b11846b78132bb8dbb6964a0de527","abstract_canon_sha256":"5feb7523fb3a678b08e41e181f1b0dfd717721703d52f16ee35bfcfdd77f78ba"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:15:11.536395Z","signature_b64":"m8WtIeh+zxciCcIBcrobXtWiT7CNqVWJL59ShC/z7bTyHK6HsQLKawlUWIz+Zf00AqsCNorGr0xq0e8OCva0BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eedcc533058611567a27c94620962557efec256e76c2460ce198ffce65d5de8d","last_reissued_at":"2026-07-04T17:15:11.535967Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:15:11.535967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Unique Type Ib Supernova 2005bf: A WN Star Explosion Model for Peculiar Light Curves and Spectra","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Szentgyorgyi, C.H. Blake, D.K. Sahu, E.E. Falco, G.C. Anupama, H. Umeda, J. Deng, J.S. Bloom, K. Kawabata, K. Maeda, K. Nomoto, M.F. Skrutskie, M. Hicken, M. Iye, M. Modjaz, M. Tanaka, N. Inada, N. Tominaga, P.A. Mazzali, P. Challis, R.P. Kirshner, T. Minezaki, T.P. Prabhu, W.M. Wood-Vasey, Y. Yoshii","submitted_at":"2005-09-19T18:16:29Z","abstract_excerpt":"Observations and modeling for the light curve (LC) and spectra of supernova (SN) 2005bf are reported. This SN showed unique features: the LC had two maxima, and declined rapidly after the second maximum, while the spectra showed strengthening He lines whose velocity increased with time. The double-peaked LC can be reproduced by a double-peaked $^{56}$Ni distribution, with most $^{56}$Ni at low velocity and a small amount at high velocity. The rapid post-maximum decline requires a large fraction of the $\\gamma$-rays to escape from the $^{56}$Ni-dominated region, possibly because of low-density "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509557","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0509557/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"astro-ph/0509557","created_at":"2026-07-04T17:15:11.536028+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509557v4","created_at":"2026-07-04T17:15:11.536028+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509557","created_at":"2026-07-04T17:15:11.536028+00:00"},{"alias_kind":"pith_short_12","alias_value":"53OMKMYFQYIV","created_at":"2026-07-04T17:15:11.536028+00:00"},{"alias_kind":"pith_short_16","alias_value":"53OMKMYFQYIVM6RH","created_at":"2026-07-04T17:15:11.536028+00:00"},{"alias_kind":"pith_short_8","alias_value":"53OMKMYF","created_at":"2026-07-04T17:15:11.536028+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/53OMKMYFQYIVM6RHZFDCBFRFK7","json":"https://pith.science/pith/53OMKMYFQYIVM6RHZFDCBFRFK7.json","graph_json":"https://pith.science/api/pith-number/53OMKMYFQYIVM6RHZFDCBFRFK7/graph.json","events_json":"https://pith.science/api/pith-number/53OMKMYFQYIVM6RHZFDCBFRFK7/events.json","paper":"https://pith.science/paper/53OMKMYF"},"agent_actions":{"view_html":"https://pith.science/pith/53OMKMYFQYIVM6RHZFDCBFRFK7","download_json":"https://pith.science/pith/53OMKMYFQYIVM6RHZFDCBFRFK7.json","view_paper":"https://pith.science/paper/53OMKMYF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0509557&json=true","fetch_graph":"https://pith.science/api/pith-number/53OMKMYFQYIVM6RHZFDCBFRFK7/graph.json","fetch_events":"https://pith.science/api/pith-number/53OMKMYFQYIVM6RHZFDCBFRFK7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/53OMKMYFQYIVM6RHZFDCBFRFK7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/53OMKMYFQYIVM6RHZFDCBFRFK7/action/storage_attestation","attest_author":"https://pith.science/pith/53OMKMYFQYIVM6RHZFDCBFRFK7/action/author_attestation","sign_citation":"https://pith.science/pith/53OMKMYFQYIVM6RHZFDCBFRFK7/action/citation_signature","submit_replication":"https://pith.science/pith/53OMKMYFQYIVM6RHZFDCBFRFK7/action/replication_record"}},"created_at":"2026-07-04T17:15:11.536028+00:00","updated_at":"2026-07-04T17:15:11.536028+00:00"}