{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:UHVS5WMNTFEJZQP4BIVCB6I27M","short_pith_number":"pith:UHVS5WMN","schema_version":"1.0","canonical_sha256":"a1eb2ed98d99489cc1fc0a2a20f91afb2ee7de54d84f4b3a450a08cf9854fcba","source":{"kind":"arxiv","id":"astro-ph/0306181","version":1},"attestation_state":"computed","paper":{"title":"Cosmic Microwave Background Polarisation: foreground contrast and component separation","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Carlo Baccigalupi (SISSA, LBNL)","submitted_at":"2003-06-10T06:15:50Z","abstract_excerpt":"We evaluate the expected level of foreground contamination to the cosmic microwave background (CMB) polarised radiation, focusing on the diffuse emission from our own Galaxy. In particular, we perform a first attempt to simulate an all sky template of polarised emission from thermal dust. This study indicates that the foreground contamination to CMB $B$ modes is likely to be relevant on all frequencies, and even at high Galactic latitudes. We review the recent developments in the design of data analysis techniques dedicated to the separation of CMB and foreground emissions in multi-frequency o"},"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/0306181","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-06-10T06:15:50Z","cross_cats_sorted":[],"title_canon_sha256":"f426362daad5e81fcfe5fa40857b9077e7ebcb539b12a08fea8f4a15632c09de","abstract_canon_sha256":"95e57e74f18976e14682cb555f32f33f01e7ee0a79c6b9c58cb2e205c8484a3e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:38.733476Z","signature_b64":"sgM4fEC0bRhVFKePqYzSmCj7tLdYys4n8thcjjEvVs3jJ47UxGLHitXd3zeE0eT1gRtCOowIWw9cLsboApKGBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1eb2ed98d99489cc1fc0a2a20f91afb2ee7de54d84f4b3a450a08cf9854fcba","last_reissued_at":"2026-05-18T01:40:38.732923Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:38.732923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cosmic Microwave Background Polarisation: foreground contrast and component separation","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Carlo Baccigalupi (SISSA, LBNL)","submitted_at":"2003-06-10T06:15:50Z","abstract_excerpt":"We evaluate the expected level of foreground contamination to the cosmic microwave background (CMB) polarised radiation, focusing on the diffuse emission from our own Galaxy. In particular, we perform a first attempt to simulate an all sky template of polarised emission from thermal dust. This study indicates that the foreground contamination to CMB $B$ modes is likely to be relevant on all frequencies, and even at high Galactic latitudes. We review the recent developments in the design of data analysis techniques dedicated to the separation of CMB and foreground emissions in multi-frequency o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0306181","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/0306181","created_at":"2026-05-18T01:40:38.733013+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0306181v1","created_at":"2026-05-18T01:40:38.733013+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0306181","created_at":"2026-05-18T01:40:38.733013+00:00"},{"alias_kind":"pith_short_12","alias_value":"UHVS5WMNTFEJ","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_16","alias_value":"UHVS5WMNTFEJZQP4","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_8","alias_value":"UHVS5WMN","created_at":"2026-05-18T12:25:52.051335+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/UHVS5WMNTFEJZQP4BIVCB6I27M","json":"https://pith.science/pith/UHVS5WMNTFEJZQP4BIVCB6I27M.json","graph_json":"https://pith.science/api/pith-number/UHVS5WMNTFEJZQP4BIVCB6I27M/graph.json","events_json":"https://pith.science/api/pith-number/UHVS5WMNTFEJZQP4BIVCB6I27M/events.json","paper":"https://pith.science/paper/UHVS5WMN"},"agent_actions":{"view_html":"https://pith.science/pith/UHVS5WMNTFEJZQP4BIVCB6I27M","download_json":"https://pith.science/pith/UHVS5WMNTFEJZQP4BIVCB6I27M.json","view_paper":"https://pith.science/paper/UHVS5WMN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0306181&json=true","fetch_graph":"https://pith.science/api/pith-number/UHVS5WMNTFEJZQP4BIVCB6I27M/graph.json","fetch_events":"https://pith.science/api/pith-number/UHVS5WMNTFEJZQP4BIVCB6I27M/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UHVS5WMNTFEJZQP4BIVCB6I27M/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UHVS5WMNTFEJZQP4BIVCB6I27M/action/storage_attestation","attest_author":"https://pith.science/pith/UHVS5WMNTFEJZQP4BIVCB6I27M/action/author_attestation","sign_citation":"https://pith.science/pith/UHVS5WMNTFEJZQP4BIVCB6I27M/action/citation_signature","submit_replication":"https://pith.science/pith/UHVS5WMNTFEJZQP4BIVCB6I27M/action/replication_record"}},"created_at":"2026-05-18T01:40:38.733013+00:00","updated_at":"2026-05-18T01:40:38.733013+00:00"}