{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:DZHTXR6WM4UZJO67GBR4F4RQD7","short_pith_number":"pith:DZHTXR6W","schema_version":"1.0","canonical_sha256":"1e4f3bc7d6672994bbdf3063c2f2301fe83f7db47b8142b29ba31560e7de4cd2","source":{"kind":"arxiv","id":"astro-ph/0606538","version":2},"attestation_state":"computed","paper":{"title":"Point-Source Power in 3 Year Wilkinson Microwave Anisotropy Probe Data","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"F. K. Hansen, H. K. Eriksen, K. M. Huffenberger","submitted_at":"2006-06-21T21:05:13Z","abstract_excerpt":"Using a set of multifrequency cross spectra computed from the 3 year WMAP sky maps, we fit for the unresolved point-source contribution. For a white-noise power spectrum, we find a Q-band amplitude of A=0.011 +/- 0.001 muK^2 sr (antenna temperature), significantly smaller than the value of 0.017 +/- 0.002 muK^2 sr used to correct the spectra in the WMAP release. Modifying the point-source correction in this way largely resolves the discrepancy that Eriksen et al. found between the WMAP V- and W-band power spectra. Correcting the co-added WMAP spectrum for both the low-l power excess due to a s"},"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/0606538","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-21T21:05:13Z","cross_cats_sorted":[],"title_canon_sha256":"c2f337d04a10157240e0b1c4bd24f16f3b6916ac24cecf0d819f023fa13e71c5","abstract_canon_sha256":"666b1ca6fb6b41dd3e4f913a649fe21131c648c22e5717213dcf27bcb1af63c6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:04.519119Z","signature_b64":"FdDEF75/7E2MunK25pr/ulY0StHu30V6BpvUt1IbYONgojDfjGRVZJmQggbr+TM/W7ZIZYkKWUCixmCdm0QzDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e4f3bc7d6672994bbdf3063c2f2301fe83f7db47b8142b29ba31560e7de4cd2","last_reissued_at":"2026-05-18T04:29:04.518654Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:04.518654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Point-Source Power in 3 Year Wilkinson Microwave Anisotropy Probe Data","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"F. K. Hansen, H. K. Eriksen, K. M. Huffenberger","submitted_at":"2006-06-21T21:05:13Z","abstract_excerpt":"Using a set of multifrequency cross spectra computed from the 3 year WMAP sky maps, we fit for the unresolved point-source contribution. For a white-noise power spectrum, we find a Q-band amplitude of A=0.011 +/- 0.001 muK^2 sr (antenna temperature), significantly smaller than the value of 0.017 +/- 0.002 muK^2 sr used to correct the spectra in the WMAP release. Modifying the point-source correction in this way largely resolves the discrepancy that Eriksen et al. found between the WMAP V- and W-band power spectra. Correcting the co-added WMAP spectrum for both the low-l power excess due to a s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0606538","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":"astro-ph/0606538","created_at":"2026-05-18T04:29:04.518737+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0606538v2","created_at":"2026-05-18T04:29:04.518737+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0606538","created_at":"2026-05-18T04:29:04.518737+00:00"},{"alias_kind":"pith_short_12","alias_value":"DZHTXR6WM4UZ","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_16","alias_value":"DZHTXR6WM4UZJO67","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_8","alias_value":"DZHTXR6W","created_at":"2026-05-18T12:25:53.939244+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/DZHTXR6WM4UZJO67GBR4F4RQD7","json":"https://pith.science/pith/DZHTXR6WM4UZJO67GBR4F4RQD7.json","graph_json":"https://pith.science/api/pith-number/DZHTXR6WM4UZJO67GBR4F4RQD7/graph.json","events_json":"https://pith.science/api/pith-number/DZHTXR6WM4UZJO67GBR4F4RQD7/events.json","paper":"https://pith.science/paper/DZHTXR6W"},"agent_actions":{"view_html":"https://pith.science/pith/DZHTXR6WM4UZJO67GBR4F4RQD7","download_json":"https://pith.science/pith/DZHTXR6WM4UZJO67GBR4F4RQD7.json","view_paper":"https://pith.science/paper/DZHTXR6W","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0606538&json=true","fetch_graph":"https://pith.science/api/pith-number/DZHTXR6WM4UZJO67GBR4F4RQD7/graph.json","fetch_events":"https://pith.science/api/pith-number/DZHTXR6WM4UZJO67GBR4F4RQD7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DZHTXR6WM4UZJO67GBR4F4RQD7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DZHTXR6WM4UZJO67GBR4F4RQD7/action/storage_attestation","attest_author":"https://pith.science/pith/DZHTXR6WM4UZJO67GBR4F4RQD7/action/author_attestation","sign_citation":"https://pith.science/pith/DZHTXR6WM4UZJO67GBR4F4RQD7/action/citation_signature","submit_replication":"https://pith.science/pith/DZHTXR6WM4UZJO67GBR4F4RQD7/action/replication_record"}},"created_at":"2026-05-18T04:29:04.518737+00:00","updated_at":"2026-05-18T04:29:04.518737+00:00"}