{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:NMPHWY6XCXARBS5I54WPVHD36B","short_pith_number":"pith:NMPHWY6X","schema_version":"1.0","canonical_sha256":"6b1e7b63d715c110cba8ef2cfa9c7bf068874098500741ff8dc7521517e95c16","source":{"kind":"arxiv","id":"1110.1377","version":3},"attestation_state":"computed","paper":{"title":"Core-Collapse Supernovae and Host Galaxy Stellar Populations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Patrick L. Kelly (Stanford), Robert P. Kirshner (CfA)","submitted_at":"2011-10-06T20:00:00Z","abstract_excerpt":"We have used images and spectra of the Sloan Digital Sky Survey to examine the host galaxies of 519 nearby supernovae. The colors at the sites of the explosions, as well as chemical abundances, and specific star formation rates of the host galaxies provide circumstantial evidence on the origin of each supernova type. We examine separately SN II, SN IIn, SN IIb, SN Ib, SN Ic, and SN Ic with broad lines (SN Ic-BL). For host galaxies that have multiple spectroscopic fibers, we select the fiber with host radial offset most similar to that of the SN. Type Ic SN explode at small host offsets, and th"},"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":"1110.1377","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-06T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"a7be4d56db54018bb4bb8458020cfc8000e93cb4d7036185e8d803d49dd95016","abstract_canon_sha256":"252199565f4d327f21f2d19af37952a46b4744b9a4d853cdd58e4d39a3391f52"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:16.830110Z","signature_b64":"liIHGsA0WlNEQt2zUvzXLnN5rVSp7dmZJWg53WCQO0V8tJzlJIcV5sV31jdOjG136N5tm+sdmeSmQN1WgPGuAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b1e7b63d715c110cba8ef2cfa9c7bf068874098500741ff8dc7521517e95c16","last_reissued_at":"2026-05-18T02:00:16.829535Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:16.829535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Core-Collapse Supernovae and Host Galaxy Stellar Populations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Patrick L. Kelly (Stanford), Robert P. Kirshner (CfA)","submitted_at":"2011-10-06T20:00:00Z","abstract_excerpt":"We have used images and spectra of the Sloan Digital Sky Survey to examine the host galaxies of 519 nearby supernovae. The colors at the sites of the explosions, as well as chemical abundances, and specific star formation rates of the host galaxies provide circumstantial evidence on the origin of each supernova type. We examine separately SN II, SN IIn, SN IIb, SN Ib, SN Ic, and SN Ic with broad lines (SN Ic-BL). For host galaxies that have multiple spectroscopic fibers, we select the fiber with host radial offset most similar to that of the SN. Type Ic SN explode at small host offsets, and th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1377","kind":"arxiv","version":3},"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":"1110.1377","created_at":"2026-05-18T02:00:16.829616+00:00"},{"alias_kind":"arxiv_version","alias_value":"1110.1377v3","created_at":"2026-05-18T02:00:16.829616+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1377","created_at":"2026-05-18T02:00:16.829616+00:00"},{"alias_kind":"pith_short_12","alias_value":"NMPHWY6XCXAR","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_16","alias_value":"NMPHWY6XCXARBS5I","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_8","alias_value":"NMPHWY6X","created_at":"2026-05-18T12:26:37.096874+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/NMPHWY6XCXARBS5I54WPVHD36B","json":"https://pith.science/pith/NMPHWY6XCXARBS5I54WPVHD36B.json","graph_json":"https://pith.science/api/pith-number/NMPHWY6XCXARBS5I54WPVHD36B/graph.json","events_json":"https://pith.science/api/pith-number/NMPHWY6XCXARBS5I54WPVHD36B/events.json","paper":"https://pith.science/paper/NMPHWY6X"},"agent_actions":{"view_html":"https://pith.science/pith/NMPHWY6XCXARBS5I54WPVHD36B","download_json":"https://pith.science/pith/NMPHWY6XCXARBS5I54WPVHD36B.json","view_paper":"https://pith.science/paper/NMPHWY6X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1110.1377&json=true","fetch_graph":"https://pith.science/api/pith-number/NMPHWY6XCXARBS5I54WPVHD36B/graph.json","fetch_events":"https://pith.science/api/pith-number/NMPHWY6XCXARBS5I54WPVHD36B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NMPHWY6XCXARBS5I54WPVHD36B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NMPHWY6XCXARBS5I54WPVHD36B/action/storage_attestation","attest_author":"https://pith.science/pith/NMPHWY6XCXARBS5I54WPVHD36B/action/author_attestation","sign_citation":"https://pith.science/pith/NMPHWY6XCXARBS5I54WPVHD36B/action/citation_signature","submit_replication":"https://pith.science/pith/NMPHWY6XCXARBS5I54WPVHD36B/action/replication_record"}},"created_at":"2026-05-18T02:00:16.829616+00:00","updated_at":"2026-05-18T02:00:16.829616+00:00"}