{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:UVBM2UZM76UBNOC277TUPAH3L5","short_pith_number":"pith:UVBM2UZM","schema_version":"1.0","canonical_sha256":"a542cd532cffa816b85affe74780fb5f788e2509dd8e721886659adca314da2f","source":{"kind":"arxiv","id":"1803.04421","version":3},"attestation_state":"computed","paper":{"title":"The rate of Type-Ia supernovae in galaxy clusters and the delay-time distribution out to redshift 1.75","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Dan Maoz, Matan Friedmann","submitted_at":"2018-03-12T18:00:02Z","abstract_excerpt":"The observed delay-time distribution (DTD) of Type-Ia supernovae (SNe Ia) is a valuable probe of SN Ia progenitors and physics, and of the role of SNe Ia in cosmic metal enrichment. The SN Ia rate in galaxy clusters as a function of cluster redshift is an almost-direct measure of the DTD, but current estimates have been limited out to a mean redshift z=1.1, corresponding to time delays, after cluster star-formation, of over 3.2 Gyr. We analyze data from a Hubble Space Telescope monitoring project of 12 galaxy clusters at z=1.13-1.75, where we discover 29 SNe, and present their multi-band light"},"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":"1803.04421","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-12T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"64c34cbe1de86ff0828131813f817286bf65e3c62c90e795a8e9850bcc0d6044","abstract_canon_sha256":"01f7d834234d74b85091d1b4f1c9200a2a80256e0d8f01fe52071d087b80555e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:05.824536Z","signature_b64":"pYzyul5iTEm+PWXSUaKp36cAq3hiAU8JKi084Ojdbe58i5enKmp/ulYf5vxx0MNppSAco+yyslbOfwv+GDRdDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a542cd532cffa816b85affe74780fb5f788e2509dd8e721886659adca314da2f","last_reissued_at":"2026-05-18T00:11:05.823906Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:05.823906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The rate of Type-Ia supernovae in galaxy clusters and the delay-time distribution out to redshift 1.75","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Dan Maoz, Matan Friedmann","submitted_at":"2018-03-12T18:00:02Z","abstract_excerpt":"The observed delay-time distribution (DTD) of Type-Ia supernovae (SNe Ia) is a valuable probe of SN Ia progenitors and physics, and of the role of SNe Ia in cosmic metal enrichment. The SN Ia rate in galaxy clusters as a function of cluster redshift is an almost-direct measure of the DTD, but current estimates have been limited out to a mean redshift z=1.1, corresponding to time delays, after cluster star-formation, of over 3.2 Gyr. We analyze data from a Hubble Space Telescope monitoring project of 12 galaxy clusters at z=1.13-1.75, where we discover 29 SNe, and present their multi-band light"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04421","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":"1803.04421","created_at":"2026-05-18T00:11:05.823994+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.04421v3","created_at":"2026-05-18T00:11:05.823994+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04421","created_at":"2026-05-18T00:11:05.823994+00:00"},{"alias_kind":"pith_short_12","alias_value":"UVBM2UZM76UB","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"UVBM2UZM76UBNOC2","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"UVBM2UZM","created_at":"2026-05-18T12:32:56.356000+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/UVBM2UZM76UBNOC277TUPAH3L5","json":"https://pith.science/pith/UVBM2UZM76UBNOC277TUPAH3L5.json","graph_json":"https://pith.science/api/pith-number/UVBM2UZM76UBNOC277TUPAH3L5/graph.json","events_json":"https://pith.science/api/pith-number/UVBM2UZM76UBNOC277TUPAH3L5/events.json","paper":"https://pith.science/paper/UVBM2UZM"},"agent_actions":{"view_html":"https://pith.science/pith/UVBM2UZM76UBNOC277TUPAH3L5","download_json":"https://pith.science/pith/UVBM2UZM76UBNOC277TUPAH3L5.json","view_paper":"https://pith.science/paper/UVBM2UZM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.04421&json=true","fetch_graph":"https://pith.science/api/pith-number/UVBM2UZM76UBNOC277TUPAH3L5/graph.json","fetch_events":"https://pith.science/api/pith-number/UVBM2UZM76UBNOC277TUPAH3L5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UVBM2UZM76UBNOC277TUPAH3L5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UVBM2UZM76UBNOC277TUPAH3L5/action/storage_attestation","attest_author":"https://pith.science/pith/UVBM2UZM76UBNOC277TUPAH3L5/action/author_attestation","sign_citation":"https://pith.science/pith/UVBM2UZM76UBNOC277TUPAH3L5/action/citation_signature","submit_replication":"https://pith.science/pith/UVBM2UZM76UBNOC277TUPAH3L5/action/replication_record"}},"created_at":"2026-05-18T00:11:05.823994+00:00","updated_at":"2026-05-18T00:11:05.823994+00:00"}