{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:XF3UUHXHMR44HZGNUYPCIL4UYV","short_pith_number":"pith:XF3UUHXH","schema_version":"1.0","canonical_sha256":"b9774a1ee76479c3e4cda61e242f94c54d2cc3ce0ddc7e79ef8ee6c2ea82d7c8","source":{"kind":"arxiv","id":"2409.02174","version":1},"attestation_state":"computed","paper":{"title":"Double \"acct\": a distinct double-peaked supernova matching pulsational pair-instability models","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Aamer, A. Clocchiatti, A. Gagliano, A. Rest, C.-C. Lin, C. Gall, C. L. Ransome, C. R. Angus, D. A. Coulter, D. Farias, D. O. Jones, E. A. Magnier, E. Ramirez-Ruiz, G. Dimitriadis, G. Narayan, H. F. Stevance, H. Gao, K. Auchettl, K. C. Chambers, K. Taggart, K. W. Smith, L. Izzo, M. D. Fulton, M. Nicholl, M. Pursiainen, M. R. Drout, M. R. Siebert, N. Khetan, P. Ramsden, R. J. Foley, S. E. Woosley, S. J. Smartt, S. K. Yadavalli, S. Srivastav, T. de Boer, T. Moore, V. A. Villar, W. B. Hoogendam","submitted_at":"2024-09-03T18:00:01Z","abstract_excerpt":"We present multi-wavelength data of SN2020acct, a double-peaked stripped-envelope supernova (SN) in NGC2981 at ~150 Mpc. The two peaks are temporally distinct, with maxima separated by 58 rest-frame days, and a factor of 20 reduction in flux between. The first is luminous (M$_{r}$ = -18.00 $\\pm$ 0.02 mag), blue (g - r = 0.27 $\\pm$ 0.03 mag), and displays spectroscopic signatures of interaction with hydrogen-free circumstellar material. The second peak is fainter (M$_{r}$ = -17.29 $\\pm$ 0.03 mag), and spectroscopically similar to an evolved stripped-envelope SNe, with strong blended forbidden ["},"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":"2409.02174","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-09-03T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"3b43d96ffd47d19d7c966876c8cbf4ab57f03f0bb038c27148552aac1ee33902","abstract_canon_sha256":"e74dc2bc64d5c230d4ef5577b7cd0af6a7c32d32c12bd8c8a5d9f1d6f3247772"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:02:43.230144Z","signature_b64":"I0X+aXKEPDPHZ9GnDtiiHt3r8JydSZIHJCMKl7zMK+3hhx7gLKPc9TMu+dxdX7gj5jvMcHcxtG/cKzqT1Y/tAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9774a1ee76479c3e4cda61e242f94c54d2cc3ce0ddc7e79ef8ee6c2ea82d7c8","last_reissued_at":"2026-07-05T09:02:43.229662Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:02:43.229662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Double \"acct\": a distinct double-peaked supernova matching pulsational pair-instability models","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Aamer, A. Clocchiatti, A. Gagliano, A. Rest, C.-C. Lin, C. Gall, C. L. Ransome, C. R. Angus, D. A. Coulter, D. Farias, D. O. Jones, E. A. Magnier, E. Ramirez-Ruiz, G. Dimitriadis, G. Narayan, H. F. Stevance, H. Gao, K. Auchettl, K. C. Chambers, K. Taggart, K. W. Smith, L. Izzo, M. D. Fulton, M. Nicholl, M. Pursiainen, M. R. Drout, M. R. Siebert, N. Khetan, P. Ramsden, R. J. Foley, S. E. Woosley, S. J. Smartt, S. K. Yadavalli, S. Srivastav, T. de Boer, T. Moore, V. A. Villar, W. B. Hoogendam","submitted_at":"2024-09-03T18:00:01Z","abstract_excerpt":"We present multi-wavelength data of SN2020acct, a double-peaked stripped-envelope supernova (SN) in NGC2981 at ~150 Mpc. The two peaks are temporally distinct, with maxima separated by 58 rest-frame days, and a factor of 20 reduction in flux between. The first is luminous (M$_{r}$ = -18.00 $\\pm$ 0.02 mag), blue (g - r = 0.27 $\\pm$ 0.03 mag), and displays spectroscopic signatures of interaction with hydrogen-free circumstellar material. The second peak is fainter (M$_{r}$ = -17.29 $\\pm$ 0.03 mag), and spectroscopically similar to an evolved stripped-envelope SNe, with strong blended forbidden ["},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.02174","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2409.02174/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":"2409.02174","created_at":"2026-07-05T09:02:43.229721+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.02174v1","created_at":"2026-07-05T09:02:43.229721+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.02174","created_at":"2026-07-05T09:02:43.229721+00:00"},{"alias_kind":"pith_short_12","alias_value":"XF3UUHXHMR44","created_at":"2026-07-05T09:02:43.229721+00:00"},{"alias_kind":"pith_short_16","alias_value":"XF3UUHXHMR44HZGN","created_at":"2026-07-05T09:02:43.229721+00:00"},{"alias_kind":"pith_short_8","alias_value":"XF3UUHXH","created_at":"2026-07-05T09:02:43.229721+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2502.03577","citing_title":"Multidisciplinary Science in the Multimessenger Era","ref_index":34,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XF3UUHXHMR44HZGNUYPCIL4UYV","json":"https://pith.science/pith/XF3UUHXHMR44HZGNUYPCIL4UYV.json","graph_json":"https://pith.science/api/pith-number/XF3UUHXHMR44HZGNUYPCIL4UYV/graph.json","events_json":"https://pith.science/api/pith-number/XF3UUHXHMR44HZGNUYPCIL4UYV/events.json","paper":"https://pith.science/paper/XF3UUHXH"},"agent_actions":{"view_html":"https://pith.science/pith/XF3UUHXHMR44HZGNUYPCIL4UYV","download_json":"https://pith.science/pith/XF3UUHXHMR44HZGNUYPCIL4UYV.json","view_paper":"https://pith.science/paper/XF3UUHXH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.02174&json=true","fetch_graph":"https://pith.science/api/pith-number/XF3UUHXHMR44HZGNUYPCIL4UYV/graph.json","fetch_events":"https://pith.science/api/pith-number/XF3UUHXHMR44HZGNUYPCIL4UYV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XF3UUHXHMR44HZGNUYPCIL4UYV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XF3UUHXHMR44HZGNUYPCIL4UYV/action/storage_attestation","attest_author":"https://pith.science/pith/XF3UUHXHMR44HZGNUYPCIL4UYV/action/author_attestation","sign_citation":"https://pith.science/pith/XF3UUHXHMR44HZGNUYPCIL4UYV/action/citation_signature","submit_replication":"https://pith.science/pith/XF3UUHXHMR44HZGNUYPCIL4UYV/action/replication_record"}},"created_at":"2026-07-05T09:02:43.229721+00:00","updated_at":"2026-07-05T09:02:43.229721+00:00"}