{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:5RQG4WBGTQ7QVW63GO4FWNAAZJ","short_pith_number":"pith:5RQG4WBG","schema_version":"1.0","canonical_sha256":"ec606e58269c3f0adbdb33b85b3400ca760bd3c7176f8be8f116a97fe4f10649","source":{"kind":"arxiv","id":"astro-ph/0409314","version":1},"attestation_state":"computed","paper":{"title":"The 2dF QSO Redshift Survey - XIV. Structure and evolution from the two-point correlation function","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) ATNF, (3) Durham, (4) LJMU, (5) Oxford, (6) MSSL, (7) Drexel, 8) ((1) AAO, (8) Porto), B. J. Boyle (2), F. Hoyle (7), J. da Angela (3, L. Miller (5), N. S. Loaring (6), P. J. Outram (3), R. J. Smith (4), Scott M. Croom (1), T. Shanks (3)","submitted_at":"2004-09-14T01:05:08Z","abstract_excerpt":"We present a clustering analysis of QSOs using over 20000 objects from the final catalogue of the 2dF QSO Redshift Survey (2QZ), measuring the z-space correlation function, xi(s). When averaged over the range 0.3<z<2.2 we find that xi(s) is flat on small scales, steepening on scales above ~25h-1Mpc. In a WMAP/2dF cosmology we find a best fit power law with s_0=5.48+0.42-0.48h-1Mpc and gamma=1.20+-0.10 on scales s=1-25h-1Mpc. A CDM model assuming WMAP/2dF cosmological parameters is a good description of the QSO xi(s) after accounting for non-linear clustering and z-space distortions, and a line"},"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":"astro-ph/0409314","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-09-14T01:05:08Z","cross_cats_sorted":[],"title_canon_sha256":"9f08c181f3098cd5c79337b2e2a95e5aeffd126ccda9398e7f4640ad04ef5bdf","abstract_canon_sha256":"ac87d092d8b63bfed4628f519be9084d219c8e04f15970b4286b41070297e1b8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:27:04.409291Z","signature_b64":"t/QzdVtXwCX3Y+vYpP4g+7N5hwR1ywQcCFyuUmzOxpGnR3zws3fYkLVWWlb6Dc9zSjmfSS71j+WdNJTvWm+PAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec606e58269c3f0adbdb33b85b3400ca760bd3c7176f8be8f116a97fe4f10649","last_reissued_at":"2026-05-18T04:27:04.408512Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:27:04.408512Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The 2dF QSO Redshift Survey - XIV. Structure and evolution from the two-point correlation function","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) ATNF, (3) Durham, (4) LJMU, (5) Oxford, (6) MSSL, (7) Drexel, 8) ((1) AAO, (8) Porto), B. J. Boyle (2), F. Hoyle (7), J. da Angela (3, L. Miller (5), N. S. Loaring (6), P. J. Outram (3), R. J. Smith (4), Scott M. Croom (1), T. Shanks (3)","submitted_at":"2004-09-14T01:05:08Z","abstract_excerpt":"We present a clustering analysis of QSOs using over 20000 objects from the final catalogue of the 2dF QSO Redshift Survey (2QZ), measuring the z-space correlation function, xi(s). When averaged over the range 0.3<z<2.2 we find that xi(s) is flat on small scales, steepening on scales above ~25h-1Mpc. In a WMAP/2dF cosmology we find a best fit power law with s_0=5.48+0.42-0.48h-1Mpc and gamma=1.20+-0.10 on scales s=1-25h-1Mpc. A CDM model assuming WMAP/2dF cosmological parameters is a good description of the QSO xi(s) after accounting for non-linear clustering and z-space distortions, and a line"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0409314","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":"astro-ph/0409314","created_at":"2026-05-18T04:27:04.408636+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0409314v1","created_at":"2026-05-18T04:27:04.408636+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0409314","created_at":"2026-05-18T04:27:04.408636+00:00"},{"alias_kind":"pith_short_12","alias_value":"5RQG4WBGTQ7Q","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_16","alias_value":"5RQG4WBGTQ7QVW63","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_8","alias_value":"5RQG4WBG","created_at":"2026-05-18T12:25:52.051335+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/5RQG4WBGTQ7QVW63GO4FWNAAZJ","json":"https://pith.science/pith/5RQG4WBGTQ7QVW63GO4FWNAAZJ.json","graph_json":"https://pith.science/api/pith-number/5RQG4WBGTQ7QVW63GO4FWNAAZJ/graph.json","events_json":"https://pith.science/api/pith-number/5RQG4WBGTQ7QVW63GO4FWNAAZJ/events.json","paper":"https://pith.science/paper/5RQG4WBG"},"agent_actions":{"view_html":"https://pith.science/pith/5RQG4WBGTQ7QVW63GO4FWNAAZJ","download_json":"https://pith.science/pith/5RQG4WBGTQ7QVW63GO4FWNAAZJ.json","view_paper":"https://pith.science/paper/5RQG4WBG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0409314&json=true","fetch_graph":"https://pith.science/api/pith-number/5RQG4WBGTQ7QVW63GO4FWNAAZJ/graph.json","fetch_events":"https://pith.science/api/pith-number/5RQG4WBGTQ7QVW63GO4FWNAAZJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5RQG4WBGTQ7QVW63GO4FWNAAZJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5RQG4WBGTQ7QVW63GO4FWNAAZJ/action/storage_attestation","attest_author":"https://pith.science/pith/5RQG4WBGTQ7QVW63GO4FWNAAZJ/action/author_attestation","sign_citation":"https://pith.science/pith/5RQG4WBGTQ7QVW63GO4FWNAAZJ/action/citation_signature","submit_replication":"https://pith.science/pith/5RQG4WBGTQ7QVW63GO4FWNAAZJ/action/replication_record"}},"created_at":"2026-05-18T04:27:04.408636+00:00","updated_at":"2026-05-18T04:27:04.408636+00:00"}