{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:IQCB7A2Q4H7KSW6XM7YZRQ4A4I","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"fdba9eaf13e7a88ffafefda5ebbcf8043bcbbe0cc9b189a3387a5cc192a7b13f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-27T09:33:44Z","title_canon_sha256":"a339caa68c3650759797e71c9fe66ff95bb725180888029452340c9d06af94b0"},"schema_version":"1.0","source":{"id":"astro-ph/0304482","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0304482","created_at":"2026-07-04T14:12:42Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0304482v1","created_at":"2026-07-04T14:12:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0304482","created_at":"2026-07-04T14:12:42Z"},{"alias_kind":"pith_short_12","alias_value":"IQCB7A2Q4H7K","created_at":"2026-07-04T14:12:42Z"},{"alias_kind":"pith_short_16","alias_value":"IQCB7A2Q4H7KSW6X","created_at":"2026-07-04T14:12:42Z"},{"alias_kind":"pith_short_8","alias_value":"IQCB7A2Q","created_at":"2026-07-04T14:12:42Z"}],"graph_snapshots":[{"event_id":"sha256:10ea9140c6739cc9b51ac013b0a48d6063e28c7264d798393968011156cfe920","target":"graph","created_at":"2026-07-04T14:12:42Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0304482/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The supernova SN 2002ap was discovered in the outer regions of the nearby spiral M74 on January 29.4 UT. Early photometric and spectroscopic observations indicate the supernova belongs to the class of Ic hypernova. Late time (After JD 2452500) light curve decay slopes are similar to that of the hypernovae SN 1997ef and SN 1998bw. We present here the $BVRI$ photometric light curves and colour evolutions of SN 2002ap to investigate the late time nature of the light curve.","authors_text":"D. Bhattacharya, D. K. Sahu, G.C. Anupama, Ram Sagar, S. B. Pandey","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-04-27T09:33:44Z","title":"SN 2002ap, the hypernova of class Ic"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0304482","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:96d50875950b8b69163d059ef3df0c0843c2713d93df3b8070ddbc71daa4d44c","target":"record","created_at":"2026-07-04T14:12:42Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"fdba9eaf13e7a88ffafefda5ebbcf8043bcbbe0cc9b189a3387a5cc192a7b13f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-27T09:33:44Z","title_canon_sha256":"a339caa68c3650759797e71c9fe66ff95bb725180888029452340c9d06af94b0"},"schema_version":"1.0","source":{"id":"astro-ph/0304482","kind":"arxiv","version":1}},"canonical_sha256":"44041f8350e1fea95bd767f198c380e21cfcc9f30878c0d3da25bc1ddaa372aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44041f8350e1fea95bd767f198c380e21cfcc9f30878c0d3da25bc1ddaa372aa","first_computed_at":"2026-07-04T14:12:42.213050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:12:42.213050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KeCERhB5u1KAALoZUmxgdW2oVA6woO9QvkFUQ7PcygaVwJsLLDq6x/sHh01n5MPY4xFfRC82pXXuu+FItSGwBw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:12:42.213423Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0304482","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96d50875950b8b69163d059ef3df0c0843c2713d93df3b8070ddbc71daa4d44c","sha256:10ea9140c6739cc9b51ac013b0a48d6063e28c7264d798393968011156cfe920"],"state_sha256":"8499d3330a4f548dbf80b36d66cc117e23ea6ce6b9ce22d078850e69a2a27db3"}