{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:2RAOEFHKJGA4C4M3ESJ5LT7ROW","short_pith_number":"pith:2RAOEFHK","schema_version":"1.0","canonical_sha256":"d440e214ea4981c1719b2493d5cff175924e413e740b20f944e3e25dac3f25d1","source":{"kind":"arxiv","id":"0807.1113","version":2},"attestation_state":"computed","paper":{"title":"CMB power spectrum estimation using wavelets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"F. Guilloux, G. Fa\\\"y, J. Delabrouille, J.-F. Cardoso, M. Betoule, M. Le Jeune","submitted_at":"2008-07-07T20:09:42Z","abstract_excerpt":"Observations of the Cosmic Microwave Background (CMB) provide increasingly accurate information about the structure of the Universe at the recombination epoch. Most of this information is encoded in the angular power spectrum of the CMB. The aim of this work is to propose a versatile and powerful method for spectral estimation on the sphere which can easily deal with non-stationarity, foregrounds and multiple experiments with various specifications. In this paper, we use needlets (wavelets) on the sphere to construct natural and efficient spectral estimators for partially observed and beamed C"},"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":"0807.1113","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-07-07T20:09:42Z","cross_cats_sorted":[],"title_canon_sha256":"4d0458e8f07f17ed972df3b826f94c30e5bda2139dfaf9ec45520f5bba27f57e","abstract_canon_sha256":"6041c2b7e514b335a9cb09dcb9b4404fad3d028612f5162bd151aa743e30dc07"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:41.130726Z","signature_b64":"WMYZTw017vqGOfmK1em+JOnxdFm1vB4um/4Lkxdma+btHQA3qv+tf3D6zxrjzCvYWcu/qKRjVqLxO+0cI9N8Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d440e214ea4981c1719b2493d5cff175924e413e740b20f944e3e25dac3f25d1","last_reissued_at":"2026-05-18T04:16:41.130144Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:41.130144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CMB power spectrum estimation using wavelets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"F. Guilloux, G. Fa\\\"y, J. Delabrouille, J.-F. Cardoso, M. Betoule, M. Le Jeune","submitted_at":"2008-07-07T20:09:42Z","abstract_excerpt":"Observations of the Cosmic Microwave Background (CMB) provide increasingly accurate information about the structure of the Universe at the recombination epoch. Most of this information is encoded in the angular power spectrum of the CMB. The aim of this work is to propose a versatile and powerful method for spectral estimation on the sphere which can easily deal with non-stationarity, foregrounds and multiple experiments with various specifications. In this paper, we use needlets (wavelets) on the sphere to construct natural and efficient spectral estimators for partially observed and beamed C"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.1113","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":""},"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":"0807.1113","created_at":"2026-05-18T04:16:41.130241+00:00"},{"alias_kind":"arxiv_version","alias_value":"0807.1113v2","created_at":"2026-05-18T04:16:41.130241+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.1113","created_at":"2026-05-18T04:16:41.130241+00:00"},{"alias_kind":"pith_short_12","alias_value":"2RAOEFHKJGA4","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_16","alias_value":"2RAOEFHKJGA4C4M3","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_8","alias_value":"2RAOEFHK","created_at":"2026-05-18T12:25:56.245647+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/2RAOEFHKJGA4C4M3ESJ5LT7ROW","json":"https://pith.science/pith/2RAOEFHKJGA4C4M3ESJ5LT7ROW.json","graph_json":"https://pith.science/api/pith-number/2RAOEFHKJGA4C4M3ESJ5LT7ROW/graph.json","events_json":"https://pith.science/api/pith-number/2RAOEFHKJGA4C4M3ESJ5LT7ROW/events.json","paper":"https://pith.science/paper/2RAOEFHK"},"agent_actions":{"view_html":"https://pith.science/pith/2RAOEFHKJGA4C4M3ESJ5LT7ROW","download_json":"https://pith.science/pith/2RAOEFHKJGA4C4M3ESJ5LT7ROW.json","view_paper":"https://pith.science/paper/2RAOEFHK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0807.1113&json=true","fetch_graph":"https://pith.science/api/pith-number/2RAOEFHKJGA4C4M3ESJ5LT7ROW/graph.json","fetch_events":"https://pith.science/api/pith-number/2RAOEFHKJGA4C4M3ESJ5LT7ROW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2RAOEFHKJGA4C4M3ESJ5LT7ROW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2RAOEFHKJGA4C4M3ESJ5LT7ROW/action/storage_attestation","attest_author":"https://pith.science/pith/2RAOEFHKJGA4C4M3ESJ5LT7ROW/action/author_attestation","sign_citation":"https://pith.science/pith/2RAOEFHKJGA4C4M3ESJ5LT7ROW/action/citation_signature","submit_replication":"https://pith.science/pith/2RAOEFHKJGA4C4M3ESJ5LT7ROW/action/replication_record"}},"created_at":"2026-05-18T04:16:41.130241+00:00","updated_at":"2026-05-18T04:16:41.130241+00:00"}