{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:WE47ZZZNRZU4FLA2N73PERME7S","short_pith_number":"pith:WE47ZZZN","schema_version":"1.0","canonical_sha256":"b139fce72d8e69c2ac1a6ff6f24584fcb4e48e5dd612be4b0ff9019fc4f3244e","source":{"kind":"arxiv","id":"1009.1549","version":1},"attestation_state":"computed","paper":{"title":"Improving CMB non-Gaussianity estimators using tracers of local structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Antony Lewis, James M. G. Mead, Lindsay J. King","submitted_at":"2010-09-08T14:40:11Z","abstract_excerpt":"Local non-Gaussianity causes correlations between large scale perturbation modes and the small scale power. The large-scale CMB signal has contributions from the integrated Sachs Wolfe (ISW) effect, which does not correlate with the small scale power. If this ISW contribution can be removed, the sensitivity to local non-Gaussianity is improved. Gravitational lensing and galaxy counts can be used to trace the ISW contribution; in particular we show that the CMB lensing potential is highly correlated with the ISW signal. We construct a nearly-optimal estimator for the local non-Gaussianity param"},"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":"1009.1549","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-09-08T14:40:11Z","cross_cats_sorted":[],"title_canon_sha256":"a61736d665ffdfdf0720b9035a46f3381329f2b40d7c6053aef7072a99f712a3","abstract_canon_sha256":"a243c3c70ce0338c209e87f5ffec9abdcf13a344e249ce67b81115cac1ef8db9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:30:13.976465Z","signature_b64":"I/+PdlQWN+flhMswR7yediZDjEisIuUiW1btSPPObq76C3BDTnhXCKIQ/fVj3oJ7ttQU5LjBGboSnyzSNen0Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b139fce72d8e69c2ac1a6ff6f24584fcb4e48e5dd612be4b0ff9019fc4f3244e","last_reissued_at":"2026-05-18T04:30:13.975876Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:30:13.975876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Improving CMB non-Gaussianity estimators using tracers of local structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Antony Lewis, James M. G. Mead, Lindsay J. King","submitted_at":"2010-09-08T14:40:11Z","abstract_excerpt":"Local non-Gaussianity causes correlations between large scale perturbation modes and the small scale power. The large-scale CMB signal has contributions from the integrated Sachs Wolfe (ISW) effect, which does not correlate with the small scale power. If this ISW contribution can be removed, the sensitivity to local non-Gaussianity is improved. Gravitational lensing and galaxy counts can be used to trace the ISW contribution; in particular we show that the CMB lensing potential is highly correlated with the ISW signal. We construct a nearly-optimal estimator for the local non-Gaussianity param"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.1549","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":"1009.1549","created_at":"2026-05-18T04:30:13.975974+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.1549v1","created_at":"2026-05-18T04:30:13.975974+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.1549","created_at":"2026-05-18T04:30:13.975974+00:00"},{"alias_kind":"pith_short_12","alias_value":"WE47ZZZNRZU4","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"WE47ZZZNRZU4FLA2","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"WE47ZZZN","created_at":"2026-05-18T12:26:15.391820+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/WE47ZZZNRZU4FLA2N73PERME7S","json":"https://pith.science/pith/WE47ZZZNRZU4FLA2N73PERME7S.json","graph_json":"https://pith.science/api/pith-number/WE47ZZZNRZU4FLA2N73PERME7S/graph.json","events_json":"https://pith.science/api/pith-number/WE47ZZZNRZU4FLA2N73PERME7S/events.json","paper":"https://pith.science/paper/WE47ZZZN"},"agent_actions":{"view_html":"https://pith.science/pith/WE47ZZZNRZU4FLA2N73PERME7S","download_json":"https://pith.science/pith/WE47ZZZNRZU4FLA2N73PERME7S.json","view_paper":"https://pith.science/paper/WE47ZZZN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.1549&json=true","fetch_graph":"https://pith.science/api/pith-number/WE47ZZZNRZU4FLA2N73PERME7S/graph.json","fetch_events":"https://pith.science/api/pith-number/WE47ZZZNRZU4FLA2N73PERME7S/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WE47ZZZNRZU4FLA2N73PERME7S/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WE47ZZZNRZU4FLA2N73PERME7S/action/storage_attestation","attest_author":"https://pith.science/pith/WE47ZZZNRZU4FLA2N73PERME7S/action/author_attestation","sign_citation":"https://pith.science/pith/WE47ZZZNRZU4FLA2N73PERME7S/action/citation_signature","submit_replication":"https://pith.science/pith/WE47ZZZNRZU4FLA2N73PERME7S/action/replication_record"}},"created_at":"2026-05-18T04:30:13.975974+00:00","updated_at":"2026-05-18T04:30:13.975974+00:00"}