{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:VOTKGC5SKLUJ3B27V5DBZGZFOX","short_pith_number":"pith:VOTKGC5S","schema_version":"1.0","canonical_sha256":"aba6a30bb252e89d875faf461c9b2575fd5c96639837cb0b03712d33f4668499","source":{"kind":"arxiv","id":"1707.02981","version":2},"attestation_state":"computed","paper":{"title":"Joint Bayesian estimation of tensor and lensing B-modes in the power spectrum of CMB polarization data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"C. Dickinson, H. K. Eriksen, I. K. Wehus, M. Remazeilles","submitted_at":"2017-07-10T18:00:01Z","abstract_excerpt":"We investigate the performance of a simple Bayesian fitting approach to correct the cosmic microwave background (CMB) B-mode polarization for gravitational lensing effects in the recovered probability distribution of the tensor-to-scalar ratio. We perform a two-dimensional power spectrum fit of the amplitude of the primordial B-modes (tensor-to-scalar ratio, $r$) and the amplitude of the lensing B-modes (parameter $A_{lens}$), jointly with the estimation of the astrophysical foregrounds including both synchrotron and thermal dust emissions. Using this Bayesian framework, we forecast the abilit"},"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":"1707.02981","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-07-10T18:00:01Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"d563208560b1fa488c010da6890a18b008f3c23c7a6d71d9a4b1b0a02f351cfd","abstract_canon_sha256":"a8d1aa572fcf74a2b1073ad458c733b68265e0cf5850de275a5c1902208a9684"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:40.811621Z","signature_b64":"xAc0rLqEfhF+XYqQviEXLdpt+KiSOXU98pLV0N+0G9H/ZLItGB+NdJrwj2whV3tJJeBz7dIRvfsNSSmqG7x5Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aba6a30bb252e89d875faf461c9b2575fd5c96639837cb0b03712d33f4668499","last_reissued_at":"2026-05-18T00:29:40.810898Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:40.810898Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Joint Bayesian estimation of tensor and lensing B-modes in the power spectrum of CMB polarization data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"C. Dickinson, H. K. Eriksen, I. K. Wehus, M. Remazeilles","submitted_at":"2017-07-10T18:00:01Z","abstract_excerpt":"We investigate the performance of a simple Bayesian fitting approach to correct the cosmic microwave background (CMB) B-mode polarization for gravitational lensing effects in the recovered probability distribution of the tensor-to-scalar ratio. We perform a two-dimensional power spectrum fit of the amplitude of the primordial B-modes (tensor-to-scalar ratio, $r$) and the amplitude of the lensing B-modes (parameter $A_{lens}$), jointly with the estimation of the astrophysical foregrounds including both synchrotron and thermal dust emissions. Using this Bayesian framework, we forecast the abilit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.02981","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":"1707.02981","created_at":"2026-05-18T00:29:40.810985+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.02981v2","created_at":"2026-05-18T00:29:40.810985+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.02981","created_at":"2026-05-18T00:29:40.810985+00:00"},{"alias_kind":"pith_short_12","alias_value":"VOTKGC5SKLUJ","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_16","alias_value":"VOTKGC5SKLUJ3B27","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_8","alias_value":"VOTKGC5S","created_at":"2026-05-18T12:31:49.984773+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/VOTKGC5SKLUJ3B27V5DBZGZFOX","json":"https://pith.science/pith/VOTKGC5SKLUJ3B27V5DBZGZFOX.json","graph_json":"https://pith.science/api/pith-number/VOTKGC5SKLUJ3B27V5DBZGZFOX/graph.json","events_json":"https://pith.science/api/pith-number/VOTKGC5SKLUJ3B27V5DBZGZFOX/events.json","paper":"https://pith.science/paper/VOTKGC5S"},"agent_actions":{"view_html":"https://pith.science/pith/VOTKGC5SKLUJ3B27V5DBZGZFOX","download_json":"https://pith.science/pith/VOTKGC5SKLUJ3B27V5DBZGZFOX.json","view_paper":"https://pith.science/paper/VOTKGC5S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.02981&json=true","fetch_graph":"https://pith.science/api/pith-number/VOTKGC5SKLUJ3B27V5DBZGZFOX/graph.json","fetch_events":"https://pith.science/api/pith-number/VOTKGC5SKLUJ3B27V5DBZGZFOX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VOTKGC5SKLUJ3B27V5DBZGZFOX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VOTKGC5SKLUJ3B27V5DBZGZFOX/action/storage_attestation","attest_author":"https://pith.science/pith/VOTKGC5SKLUJ3B27V5DBZGZFOX/action/author_attestation","sign_citation":"https://pith.science/pith/VOTKGC5SKLUJ3B27V5DBZGZFOX/action/citation_signature","submit_replication":"https://pith.science/pith/VOTKGC5SKLUJ3B27V5DBZGZFOX/action/replication_record"}},"created_at":"2026-05-18T00:29:40.810985+00:00","updated_at":"2026-05-18T00:29:40.810985+00:00"}