{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:IEXZEF2BIE667HUTFRMCQBXON6","short_pith_number":"pith:IEXZEF2B","schema_version":"1.0","canonical_sha256":"412f921741413def9e932c582806ee6fa745758c2f3cec787476f2d343795e33","source":{"kind":"arxiv","id":"1206.0665","version":1},"attestation_state":"computed","paper":{"title":"Evolution in the Volumetric Type Ia Supernova Rate from the Supernova Legacy Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.CO","authors_text":"A. Conley, C. Balland, C. Lidman, C. Pritchet, D. A. Howell, D. Balam, D. Fouchez, D. Hardin, E. S. Walker, I. M. Hook, J. D. Neill, J. Guy, J. Rich, K. Perrett, M. Sullivan, N. Palanque-Delabrouille, N. Regnault, P. Astier, P. Ripoche, R. Carlberg, R. Pain, S. Basa, S. Baumont, S. Gonzalez-Gaitan, S. Perlmutter, V. Ruhlmann-Kleider","submitted_at":"2012-06-04T16:23:32Z","abstract_excerpt":"We present a measurement of the volumetric Type Ia supernova (SN Ia) rate (SNR_Ia) as a function of redshift for the first four years of data from the Canada-France-Hawaii Telescope (CFHT) Supernova Legacy Survey (SNLS). This analysis includes 286 spectroscopically confirmed and more than 400 additional photometrically identified SNe Ia within the redshift range 0.1<z<1.1. The volumetric SNR_Ia evolution is consistent with a rise to z~1.0 that follows a power-law of the form (1+z)^alpha, with alpha=2.11+/-0.28. This evolutionary trend in the SNLS rates is slightly shallower than that of the co"},"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":"1206.0665","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-04T16:23:32Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"6d8728c713bc8c2fc242924835a9981f7bfc36c03e8940b0d69da3d6fcac00c2","abstract_canon_sha256":"19ad63d0e0594e96868e4ecb809916b3ec53488337462bc63d100343713f7354"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:08.154522Z","signature_b64":"H6snU8hOZ1aGJg6heqoz7qgod8DDpwGTWrstSLJxp0gFINlGv6Lf43ZjR17cdcG8d2Lyv57dkBAUuKdOx8ibDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"412f921741413def9e932c582806ee6fa745758c2f3cec787476f2d343795e33","last_reissued_at":"2026-05-18T01:57:08.153352Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:08.153352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evolution in the Volumetric Type Ia Supernova Rate from the Supernova Legacy Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.CO","authors_text":"A. Conley, C. Balland, C. Lidman, C. Pritchet, D. A. Howell, D. Balam, D. Fouchez, D. Hardin, E. S. Walker, I. M. Hook, J. D. Neill, J. Guy, J. Rich, K. Perrett, M. Sullivan, N. Palanque-Delabrouille, N. Regnault, P. Astier, P. Ripoche, R. Carlberg, R. Pain, S. Basa, S. Baumont, S. Gonzalez-Gaitan, S. Perlmutter, V. Ruhlmann-Kleider","submitted_at":"2012-06-04T16:23:32Z","abstract_excerpt":"We present a measurement of the volumetric Type Ia supernova (SN Ia) rate (SNR_Ia) as a function of redshift for the first four years of data from the Canada-France-Hawaii Telescope (CFHT) Supernova Legacy Survey (SNLS). This analysis includes 286 spectroscopically confirmed and more than 400 additional photometrically identified SNe Ia within the redshift range 0.1<z<1.1. The volumetric SNR_Ia evolution is consistent with a rise to z~1.0 that follows a power-law of the form (1+z)^alpha, with alpha=2.11+/-0.28. This evolutionary trend in the SNLS rates is slightly shallower than that of the co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0665","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":"1206.0665","created_at":"2026-05-18T01:57:08.153547+00:00"},{"alias_kind":"arxiv_version","alias_value":"1206.0665v1","created_at":"2026-05-18T01:57:08.153547+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0665","created_at":"2026-05-18T01:57:08.153547+00:00"},{"alias_kind":"pith_short_12","alias_value":"IEXZEF2BIE66","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_16","alias_value":"IEXZEF2BIE667HUT","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_8","alias_value":"IEXZEF2B","created_at":"2026-05-18T12:27:09.501522+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/IEXZEF2BIE667HUTFRMCQBXON6","json":"https://pith.science/pith/IEXZEF2BIE667HUTFRMCQBXON6.json","graph_json":"https://pith.science/api/pith-number/IEXZEF2BIE667HUTFRMCQBXON6/graph.json","events_json":"https://pith.science/api/pith-number/IEXZEF2BIE667HUTFRMCQBXON6/events.json","paper":"https://pith.science/paper/IEXZEF2B"},"agent_actions":{"view_html":"https://pith.science/pith/IEXZEF2BIE667HUTFRMCQBXON6","download_json":"https://pith.science/pith/IEXZEF2BIE667HUTFRMCQBXON6.json","view_paper":"https://pith.science/paper/IEXZEF2B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1206.0665&json=true","fetch_graph":"https://pith.science/api/pith-number/IEXZEF2BIE667HUTFRMCQBXON6/graph.json","fetch_events":"https://pith.science/api/pith-number/IEXZEF2BIE667HUTFRMCQBXON6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IEXZEF2BIE667HUTFRMCQBXON6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IEXZEF2BIE667HUTFRMCQBXON6/action/storage_attestation","attest_author":"https://pith.science/pith/IEXZEF2BIE667HUTFRMCQBXON6/action/author_attestation","sign_citation":"https://pith.science/pith/IEXZEF2BIE667HUTFRMCQBXON6/action/citation_signature","submit_replication":"https://pith.science/pith/IEXZEF2BIE667HUTFRMCQBXON6/action/replication_record"}},"created_at":"2026-05-18T01:57:08.153547+00:00","updated_at":"2026-05-18T01:57:08.153547+00:00"}