{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:WR5VMFRHW7S7GUPDY5UNDIWZLP","short_pith_number":"pith:WR5VMFRH","schema_version":"1.0","canonical_sha256":"b47b561627b7e5f351e3c768d1a2d95bd134226c68db557522590008825c4733","source":{"kind":"arxiv","id":"0805.3983","version":1},"attestation_state":"computed","paper":{"title":"Clustering of supernova Ia host galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Conley, C. Balland, C. J. Pritchet, D. A. Howell, D. Balam, D. Fouchez, D. Hardin, D. Le Borgne, I. Hook, J. Guy, J. Rich, K. Perrett, M. Sullivan, N. Regnault, P. Astier, R. G. Carlberg, R. Pain, S. Basa, S. Perlmutter","submitted_at":"2008-05-26T15:23:49Z","abstract_excerpt":"For the first time the cross-correlation between type Ia supernova host galaxies and surrounding field galaxies is measured using the Supernova Legacy Survey sample. Over the z=0.2 to 0.9 redshift range we find that supernova hosts are correlated an average of 60% more strongly than similarly selected field galaxies over the 3-100 arcsec range and about a factor of 3 more strongly below 10 arcsec. The correlation errors are empirically established with a jackknife analysis of the four SNLS fields. The hosts are more correlated than the field at a significance of 99% in the fitted amplitude and"},"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":"0805.3983","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-26T15:23:49Z","cross_cats_sorted":[],"title_canon_sha256":"73572ec2b363bcc771f911ee55fa701ebe03ab962612434d3610bd9f0b91e7a1","abstract_canon_sha256":"7024fdaa9423bedf9eea5a4e2bb3fbe746f4450c2f2934067fbbb0beed3198f2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:11:00.349342Z","signature_b64":"6mnZOd0wnYK+1iI8MjF9JUCTqbOwquoZu34MNB277fHUYnirEN95GkQn2IRmlVErAJejz7UaIwiFEInhjEMLCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b47b561627b7e5f351e3c768d1a2d95bd134226c68db557522590008825c4733","last_reissued_at":"2026-07-04T17:11:00.348893Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:11:00.348893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Clustering of supernova Ia host galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Conley, C. Balland, C. J. Pritchet, D. A. Howell, D. Balam, D. Fouchez, D. Hardin, D. Le Borgne, I. Hook, J. Guy, J. Rich, K. Perrett, M. Sullivan, N. Regnault, P. Astier, R. G. Carlberg, R. Pain, S. Basa, S. Perlmutter","submitted_at":"2008-05-26T15:23:49Z","abstract_excerpt":"For the first time the cross-correlation between type Ia supernova host galaxies and surrounding field galaxies is measured using the Supernova Legacy Survey sample. Over the z=0.2 to 0.9 redshift range we find that supernova hosts are correlated an average of 60% more strongly than similarly selected field galaxies over the 3-100 arcsec range and about a factor of 3 more strongly below 10 arcsec. The correlation errors are empirically established with a jackknife analysis of the four SNLS fields. The hosts are more correlated than the field at a significance of 99% in the fitted amplitude and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.3983","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0805.3983/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"0805.3983","created_at":"2026-07-04T17:11:00.348963+00:00"},{"alias_kind":"arxiv_version","alias_value":"0805.3983v1","created_at":"2026-07-04T17:11:00.348963+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.3983","created_at":"2026-07-04T17:11:00.348963+00:00"},{"alias_kind":"pith_short_12","alias_value":"WR5VMFRHW7S7","created_at":"2026-07-04T17:11:00.348963+00:00"},{"alias_kind":"pith_short_16","alias_value":"WR5VMFRHW7S7GUPD","created_at":"2026-07-04T17:11:00.348963+00:00"},{"alias_kind":"pith_short_8","alias_value":"WR5VMFRH","created_at":"2026-07-04T17:11:00.348963+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/WR5VMFRHW7S7GUPDY5UNDIWZLP","json":"https://pith.science/pith/WR5VMFRHW7S7GUPDY5UNDIWZLP.json","graph_json":"https://pith.science/api/pith-number/WR5VMFRHW7S7GUPDY5UNDIWZLP/graph.json","events_json":"https://pith.science/api/pith-number/WR5VMFRHW7S7GUPDY5UNDIWZLP/events.json","paper":"https://pith.science/paper/WR5VMFRH"},"agent_actions":{"view_html":"https://pith.science/pith/WR5VMFRHW7S7GUPDY5UNDIWZLP","download_json":"https://pith.science/pith/WR5VMFRHW7S7GUPDY5UNDIWZLP.json","view_paper":"https://pith.science/paper/WR5VMFRH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0805.3983&json=true","fetch_graph":"https://pith.science/api/pith-number/WR5VMFRHW7S7GUPDY5UNDIWZLP/graph.json","fetch_events":"https://pith.science/api/pith-number/WR5VMFRHW7S7GUPDY5UNDIWZLP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WR5VMFRHW7S7GUPDY5UNDIWZLP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WR5VMFRHW7S7GUPDY5UNDIWZLP/action/storage_attestation","attest_author":"https://pith.science/pith/WR5VMFRHW7S7GUPDY5UNDIWZLP/action/author_attestation","sign_citation":"https://pith.science/pith/WR5VMFRHW7S7GUPDY5UNDIWZLP/action/citation_signature","submit_replication":"https://pith.science/pith/WR5VMFRHW7S7GUPDY5UNDIWZLP/action/replication_record"}},"created_at":"2026-07-04T17:11:00.348963+00:00","updated_at":"2026-07-04T17:11:00.348963+00:00"}