{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:QMDFXY6OUWU6J4XPMSV2E3ZY3H","short_pith_number":"pith:QMDFXY6O","schema_version":"1.0","canonical_sha256":"83065be3cea5a9e4f2ef64aba26f38d9d0d1d26d7806a000e271e225139e7ef7","source":{"kind":"arxiv","id":"astro-ph/0503374","version":1},"attestation_state":"computed","paper":{"title":"Cosmological non-Gaussian Signature Detection: Comparing Performance of Different Statistical Tests","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D.L. Donoho, J. Jin, J.-L. Starck, N. Aghanim, O. Forni","submitted_at":"2005-03-16T21:49:11Z","abstract_excerpt":"Currently, it appears that the best method for non-Gaussianity detection in the Cosmic Microwave Background (CMB) consists in calculating the kurtosis of the wavelet coefficients. We know that wavelet-kurtosis outperforms other methods such as the bispectrum, the genus, ridgelet-kurtosis and curvelet-kurtosis on an empirical basis, but relatively few studies have compared other transform-based statistics, such as extreme values, or more recent tools such as Higher Criticism (HC), or proposed `best possible' choices for such statistics.\n  In this paper we consider two models for transform-domai"},"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/0503374","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-03-16T21:49:11Z","cross_cats_sorted":[],"title_canon_sha256":"bc2f21c615cb4e21af62b4901e419fd0db966d8baf88bb4be046e26c5b12e3bd","abstract_canon_sha256":"cc8e476b97b7807e55e04bd166d8bde7db663c97511972dc25a3b9dca378ab60"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:31.955184Z","signature_b64":"s+R01y17JR9QKCql5uuEZ/i5+L3wNa5PcF3ytUxGmyKoiPIbKBMxDyKc/9DXQLC0uLbyqx3EwYcM89judhfNAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83065be3cea5a9e4f2ef64aba26f38d9d0d1d26d7806a000e271e225139e7ef7","last_reissued_at":"2026-05-18T01:20:31.954801Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:31.954801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cosmological non-Gaussian Signature Detection: Comparing Performance of Different Statistical Tests","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D.L. Donoho, J. Jin, J.-L. Starck, N. Aghanim, O. Forni","submitted_at":"2005-03-16T21:49:11Z","abstract_excerpt":"Currently, it appears that the best method for non-Gaussianity detection in the Cosmic Microwave Background (CMB) consists in calculating the kurtosis of the wavelet coefficients. We know that wavelet-kurtosis outperforms other methods such as the bispectrum, the genus, ridgelet-kurtosis and curvelet-kurtosis on an empirical basis, but relatively few studies have compared other transform-based statistics, such as extreme values, or more recent tools such as Higher Criticism (HC), or proposed `best possible' choices for such statistics.\n  In this paper we consider two models for transform-domai"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0503374","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/0503374","created_at":"2026-05-18T01:20:31.954858+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0503374v1","created_at":"2026-05-18T01:20:31.954858+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0503374","created_at":"2026-05-18T01:20:31.954858+00:00"},{"alias_kind":"pith_short_12","alias_value":"QMDFXY6OUWU6","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_16","alias_value":"QMDFXY6OUWU6J4XP","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_8","alias_value":"QMDFXY6O","created_at":"2026-05-18T12:25:53.335082+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/QMDFXY6OUWU6J4XPMSV2E3ZY3H","json":"https://pith.science/pith/QMDFXY6OUWU6J4XPMSV2E3ZY3H.json","graph_json":"https://pith.science/api/pith-number/QMDFXY6OUWU6J4XPMSV2E3ZY3H/graph.json","events_json":"https://pith.science/api/pith-number/QMDFXY6OUWU6J4XPMSV2E3ZY3H/events.json","paper":"https://pith.science/paper/QMDFXY6O"},"agent_actions":{"view_html":"https://pith.science/pith/QMDFXY6OUWU6J4XPMSV2E3ZY3H","download_json":"https://pith.science/pith/QMDFXY6OUWU6J4XPMSV2E3ZY3H.json","view_paper":"https://pith.science/paper/QMDFXY6O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0503374&json=true","fetch_graph":"https://pith.science/api/pith-number/QMDFXY6OUWU6J4XPMSV2E3ZY3H/graph.json","fetch_events":"https://pith.science/api/pith-number/QMDFXY6OUWU6J4XPMSV2E3ZY3H/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QMDFXY6OUWU6J4XPMSV2E3ZY3H/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QMDFXY6OUWU6J4XPMSV2E3ZY3H/action/storage_attestation","attest_author":"https://pith.science/pith/QMDFXY6OUWU6J4XPMSV2E3ZY3H/action/author_attestation","sign_citation":"https://pith.science/pith/QMDFXY6OUWU6J4XPMSV2E3ZY3H/action/citation_signature","submit_replication":"https://pith.science/pith/QMDFXY6OUWU6J4XPMSV2E3ZY3H/action/replication_record"}},"created_at":"2026-05-18T01:20:31.954858+00:00","updated_at":"2026-05-18T01:20:31.954858+00:00"}