{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:7UE5NXQPN3235MLZCODPWUSKC4","short_pith_number":"pith:7UE5NXQP","schema_version":"1.0","canonical_sha256":"fd09d6de0f6ef5beb1791386fb524a173d758b075ea8a2ec71e53893bbdfee64","source":{"kind":"arxiv","id":"1306.2106","version":1},"attestation_state":"computed","paper":{"title":"Integral field spectroscopy of supernova explosion sites: constraining mass and metallicity of the progenitors -- II. Type II-P and II-L supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Greg Aldering, Hanindyo Kuncarayakti, Keiichi Maeda, Mamoru Doi, Nobuo Arimoto, Rui Pereira, Tomoki Morokuma, Tomonori Usuda, Yasuhito Hashiba","submitted_at":"2013-06-10T05:44:28Z","abstract_excerpt":"Thirteen explosion sites of type II-P and II-L supernovae in nearby galaxies have been observed using integral field spectroscopy, enabling both spatial and spectral study of the explosion sites. We used the properties of the parent stellar population of the coeval supernova progenitor star to derive its metallicity and initial mass (c.f. Paper I). The spectrum of the parent stellar population yields the estimates of metallicity via strong-line method, and age via comparison with simple stellar population (SSP) models. These metallicity and age parameters are adopted for the progenitor star. A"},"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":"1306.2106","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-06-10T05:44:28Z","cross_cats_sorted":[],"title_canon_sha256":"285559fe9a827df4950b3117c784550237e2c14cbdaf5e46fbf1b01cad42079d","abstract_canon_sha256":"01ceb144782a839ecdfb28fe87b57349bb022c73c23794f0e44c9d3794eff737"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:18:19.858980Z","signature_b64":"cT0CskG/lQ46iS/T+BYewis5kHubNMyjDRdltftfDMcDHNn8OV50Sp008XzNABAtRieqtgHLqU46xBBtawCoDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd09d6de0f6ef5beb1791386fb524a173d758b075ea8a2ec71e53893bbdfee64","last_reissued_at":"2026-05-18T03:18:19.858517Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:18:19.858517Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Integral field spectroscopy of supernova explosion sites: constraining mass and metallicity of the progenitors -- II. Type II-P and II-L supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Greg Aldering, Hanindyo Kuncarayakti, Keiichi Maeda, Mamoru Doi, Nobuo Arimoto, Rui Pereira, Tomoki Morokuma, Tomonori Usuda, Yasuhito Hashiba","submitted_at":"2013-06-10T05:44:28Z","abstract_excerpt":"Thirteen explosion sites of type II-P and II-L supernovae in nearby galaxies have been observed using integral field spectroscopy, enabling both spatial and spectral study of the explosion sites. We used the properties of the parent stellar population of the coeval supernova progenitor star to derive its metallicity and initial mass (c.f. Paper I). The spectrum of the parent stellar population yields the estimates of metallicity via strong-line method, and age via comparison with simple stellar population (SSP) models. These metallicity and age parameters are adopted for the progenitor star. A"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.2106","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":"1306.2106","created_at":"2026-05-18T03:18:19.858585+00:00"},{"alias_kind":"arxiv_version","alias_value":"1306.2106v1","created_at":"2026-05-18T03:18:19.858585+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.2106","created_at":"2026-05-18T03:18:19.858585+00:00"},{"alias_kind":"pith_short_12","alias_value":"7UE5NXQPN323","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_16","alias_value":"7UE5NXQPN3235MLZ","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_8","alias_value":"7UE5NXQP","created_at":"2026-05-18T12:27:36.564083+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/7UE5NXQPN3235MLZCODPWUSKC4","json":"https://pith.science/pith/7UE5NXQPN3235MLZCODPWUSKC4.json","graph_json":"https://pith.science/api/pith-number/7UE5NXQPN3235MLZCODPWUSKC4/graph.json","events_json":"https://pith.science/api/pith-number/7UE5NXQPN3235MLZCODPWUSKC4/events.json","paper":"https://pith.science/paper/7UE5NXQP"},"agent_actions":{"view_html":"https://pith.science/pith/7UE5NXQPN3235MLZCODPWUSKC4","download_json":"https://pith.science/pith/7UE5NXQPN3235MLZCODPWUSKC4.json","view_paper":"https://pith.science/paper/7UE5NXQP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1306.2106&json=true","fetch_graph":"https://pith.science/api/pith-number/7UE5NXQPN3235MLZCODPWUSKC4/graph.json","fetch_events":"https://pith.science/api/pith-number/7UE5NXQPN3235MLZCODPWUSKC4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7UE5NXQPN3235MLZCODPWUSKC4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7UE5NXQPN3235MLZCODPWUSKC4/action/storage_attestation","attest_author":"https://pith.science/pith/7UE5NXQPN3235MLZCODPWUSKC4/action/author_attestation","sign_citation":"https://pith.science/pith/7UE5NXQPN3235MLZCODPWUSKC4/action/citation_signature","submit_replication":"https://pith.science/pith/7UE5NXQPN3235MLZCODPWUSKC4/action/replication_record"}},"created_at":"2026-05-18T03:18:19.858585+00:00","updated_at":"2026-05-18T03:18:19.858585+00:00"}