{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:HOZEEHMYF6NOHOEOBCIBJFQPN6","short_pith_number":"pith:HOZEEHMY","schema_version":"1.0","canonical_sha256":"3bb2421d982f9ae3b88e089014960f6fbed38518f8b6507ce6cd28c685306b47","source":{"kind":"arxiv","id":"1003.3451","version":2},"attestation_state":"computed","paper":{"title":"Primordial Non-Gaussianity and the NRAO VLA Sky Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Carlo Baccigalupi, Gianfranco De Zotti, Jun-Qing Xia, Licia Verde, Matteo Viel, Sabino Matarrese","submitted_at":"2010-03-17T20:00:27Z","abstract_excerpt":"The NRAO VLA Sky Survey (NVSS) is the only dataset that allows an accurate determination of the auto-correlation function (ACF) on angular scales of several degrees for Active Galactic Nuclei (AGNs) at typical redshifts $z \\simeq 1$. Surprisingly, the ACF is found to be positive on such large scales while, in the framework of the standard hierarchical clustering scenario with Gaussian primordial perturbations it should be negative for a redshift-independent effective halo mass of order of that found for optically-selected quasars. We show that a small primordial non-Gaussianity can add suffici"},"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":"1003.3451","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-03-17T20:00:27Z","cross_cats_sorted":[],"title_canon_sha256":"29f09a82d15cfe26dddc56ab6a6097d454b4f28f622bc44cb3766d02f52b2b5b","abstract_canon_sha256":"2d2587bc4cc5a7db814c4ffa987d31fb383d1ef3a59413f62ef5adb1d7a1e499"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:30:19.744793Z","signature_b64":"pjrXe2hyUJ0cIigpv9QWW5a+T05474jncKV3lXGfbgpkqBs+EefDcruDueV5srgvI9KS5gbeszAiyHsj1jjiBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3bb2421d982f9ae3b88e089014960f6fbed38518f8b6507ce6cd28c685306b47","last_reissued_at":"2026-07-04T17:30:19.744406Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:30:19.744406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Primordial Non-Gaussianity and the NRAO VLA Sky Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Carlo Baccigalupi, Gianfranco De Zotti, Jun-Qing Xia, Licia Verde, Matteo Viel, Sabino Matarrese","submitted_at":"2010-03-17T20:00:27Z","abstract_excerpt":"The NRAO VLA Sky Survey (NVSS) is the only dataset that allows an accurate determination of the auto-correlation function (ACF) on angular scales of several degrees for Active Galactic Nuclei (AGNs) at typical redshifts $z \\simeq 1$. Surprisingly, the ACF is found to be positive on such large scales while, in the framework of the standard hierarchical clustering scenario with Gaussian primordial perturbations it should be negative for a redshift-independent effective halo mass of order of that found for optically-selected quasars. We show that a small primordial non-Gaussianity can add suffici"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.3451","kind":"arxiv","version":2},"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/1003.3451/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":"1003.3451","created_at":"2026-07-04T17:30:19.744471+00:00"},{"alias_kind":"arxiv_version","alias_value":"1003.3451v2","created_at":"2026-07-04T17:30:19.744471+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.3451","created_at":"2026-07-04T17:30:19.744471+00:00"},{"alias_kind":"pith_short_12","alias_value":"HOZEEHMYF6NO","created_at":"2026-07-04T17:30:19.744471+00:00"},{"alias_kind":"pith_short_16","alias_value":"HOZEEHMYF6NOHOEO","created_at":"2026-07-04T17:30:19.744471+00:00"},{"alias_kind":"pith_short_8","alias_value":"HOZEEHMY","created_at":"2026-07-04T17:30:19.744471+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/HOZEEHMYF6NOHOEOBCIBJFQPN6","json":"https://pith.science/pith/HOZEEHMYF6NOHOEOBCIBJFQPN6.json","graph_json":"https://pith.science/api/pith-number/HOZEEHMYF6NOHOEOBCIBJFQPN6/graph.json","events_json":"https://pith.science/api/pith-number/HOZEEHMYF6NOHOEOBCIBJFQPN6/events.json","paper":"https://pith.science/paper/HOZEEHMY"},"agent_actions":{"view_html":"https://pith.science/pith/HOZEEHMYF6NOHOEOBCIBJFQPN6","download_json":"https://pith.science/pith/HOZEEHMYF6NOHOEOBCIBJFQPN6.json","view_paper":"https://pith.science/paper/HOZEEHMY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1003.3451&json=true","fetch_graph":"https://pith.science/api/pith-number/HOZEEHMYF6NOHOEOBCIBJFQPN6/graph.json","fetch_events":"https://pith.science/api/pith-number/HOZEEHMYF6NOHOEOBCIBJFQPN6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HOZEEHMYF6NOHOEOBCIBJFQPN6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HOZEEHMYF6NOHOEOBCIBJFQPN6/action/storage_attestation","attest_author":"https://pith.science/pith/HOZEEHMYF6NOHOEOBCIBJFQPN6/action/author_attestation","sign_citation":"https://pith.science/pith/HOZEEHMYF6NOHOEOBCIBJFQPN6/action/citation_signature","submit_replication":"https://pith.science/pith/HOZEEHMYF6NOHOEOBCIBJFQPN6/action/replication_record"}},"created_at":"2026-07-04T17:30:19.744471+00:00","updated_at":"2026-07-04T17:30:19.744471+00:00"}