{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:5TPYCU5VLOJTEGLGOXMZR6HEVK","short_pith_number":"pith:5TPYCU5V","schema_version":"1.0","canonical_sha256":"ecdf8153b55b9332196675d998f8e4aa98e6eaa19ef30aeda3114fcce745f5a1","source":{"kind":"arxiv","id":"1510.04365","version":1},"attestation_state":"computed","paper":{"title":"Type II supernova diversity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Joseph P. Anderson","submitted_at":"2015-10-15T00:53:19Z","abstract_excerpt":"It is now firmly established that at a significant fraction of hydrogen-rich type II supernovae (SNe II) arise from red supergiant progenitors. However, a large diversity of SN properties exist, and it is presently unclear how this can be understood in terms of progenitor differences and pre-SN stellar evolution. In this contribution, I present the diversity of SN II V-band light-curves for a large sample of SNe II, and compare these to photometry of SNe II which have progenitor mass constraints from pre-explosion imaging."},"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":"1510.04365","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-15T00:53:19Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"fa5e7ddc9c4cebf6426235999bc7209610863550f512e8538b5c5d733a46c0b3","abstract_canon_sha256":"822834b91fe440d64b3ffef1378000dade47f58a3b87a36a6f22841aec8b5608"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:07.381375Z","signature_b64":"qeB4H4IwIqWxG83+e8dlh9HhdP5KirA+xZhjwxp5KtDZ6kA+2K09xg2fbtRhDxgWDAnCFj9hm1aFtj3KaCrYAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecdf8153b55b9332196675d998f8e4aa98e6eaa19ef30aeda3114fcce745f5a1","last_reissued_at":"2026-05-18T01:30:07.380909Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:07.380909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Type II supernova diversity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Joseph P. Anderson","submitted_at":"2015-10-15T00:53:19Z","abstract_excerpt":"It is now firmly established that at a significant fraction of hydrogen-rich type II supernovae (SNe II) arise from red supergiant progenitors. However, a large diversity of SN properties exist, and it is presently unclear how this can be understood in terms of progenitor differences and pre-SN stellar evolution. In this contribution, I present the diversity of SN II V-band light-curves for a large sample of SNe II, and compare these to photometry of SNe II which have progenitor mass constraints from pre-explosion imaging."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.04365","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":"1510.04365","created_at":"2026-05-18T01:30:07.380975+00:00"},{"alias_kind":"arxiv_version","alias_value":"1510.04365v1","created_at":"2026-05-18T01:30:07.380975+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.04365","created_at":"2026-05-18T01:30:07.380975+00:00"},{"alias_kind":"pith_short_12","alias_value":"5TPYCU5VLOJT","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_16","alias_value":"5TPYCU5VLOJTEGLG","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_8","alias_value":"5TPYCU5V","created_at":"2026-05-18T12:29:07.941421+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/5TPYCU5VLOJTEGLGOXMZR6HEVK","json":"https://pith.science/pith/5TPYCU5VLOJTEGLGOXMZR6HEVK.json","graph_json":"https://pith.science/api/pith-number/5TPYCU5VLOJTEGLGOXMZR6HEVK/graph.json","events_json":"https://pith.science/api/pith-number/5TPYCU5VLOJTEGLGOXMZR6HEVK/events.json","paper":"https://pith.science/paper/5TPYCU5V"},"agent_actions":{"view_html":"https://pith.science/pith/5TPYCU5VLOJTEGLGOXMZR6HEVK","download_json":"https://pith.science/pith/5TPYCU5VLOJTEGLGOXMZR6HEVK.json","view_paper":"https://pith.science/paper/5TPYCU5V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1510.04365&json=true","fetch_graph":"https://pith.science/api/pith-number/5TPYCU5VLOJTEGLGOXMZR6HEVK/graph.json","fetch_events":"https://pith.science/api/pith-number/5TPYCU5VLOJTEGLGOXMZR6HEVK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5TPYCU5VLOJTEGLGOXMZR6HEVK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5TPYCU5VLOJTEGLGOXMZR6HEVK/action/storage_attestation","attest_author":"https://pith.science/pith/5TPYCU5VLOJTEGLGOXMZR6HEVK/action/author_attestation","sign_citation":"https://pith.science/pith/5TPYCU5VLOJTEGLGOXMZR6HEVK/action/citation_signature","submit_replication":"https://pith.science/pith/5TPYCU5VLOJTEGLGOXMZR6HEVK/action/replication_record"}},"created_at":"2026-05-18T01:30:07.380975+00:00","updated_at":"2026-05-18T01:30:07.380975+00:00"}