{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:UHY2I7ELBUNZVGLA6NHWV33GVK","short_pith_number":"pith:UHY2I7EL","schema_version":"1.0","canonical_sha256":"a1f1a47c8b0d1b9a9960f34f6aef66aaa90486ca22fe8823ed1ff24d7bd52fe8","source":{"kind":"arxiv","id":"1502.00625","version":2},"attestation_state":"computed","paper":{"title":"A Strategy to Minimize Dust Foregrounds in B-mode Searches","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Ely D. Kovetz, Marc Kamionkowski","submitted_at":"2015-02-02T21:00:04Z","abstract_excerpt":"The Planck satellite has identified several patches of sky with low polarized dust emission, obvious targets for searches for the cosmic-microwave-background (CMB) B-mode signal from inflationary gravitational waves. Still, given the Planck measurement uncertainties, the polarized dust foregrounds in these different candidate patches may differ by an order of magnitude or more. Here we show that a brief initial experiment to map these candidate patches more deeply at a single high frequency can efficiently zero in on the cleanest patch(es) and thus improve significantly the sensitivity of subs"},"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":"1502.00625","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-02T21:00:04Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"7627cfbd633143565e375f8945589fd5ba9e9e44e5c564b036a5bde6e0116457","abstract_canon_sha256":"3ad59e8cdfcc4748029b128878b0a2b4e928c5a2ef48007eed5bca76de51908e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:18:13.344008Z","signature_b64":"O1YMoQhwEMNfvsGk0SadKdZniTFFsOLan4+aqMIn5vCjkAXnkmq0RFjcb/GWvoctVIZOROK8M28T7/okLOUPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1f1a47c8b0d1b9a9960f34f6aef66aaa90486ca22fe8823ed1ff24d7bd52fe8","last_reissued_at":"2026-05-18T02:18:13.343622Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:18:13.343622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Strategy to Minimize Dust Foregrounds in B-mode Searches","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Ely D. Kovetz, Marc Kamionkowski","submitted_at":"2015-02-02T21:00:04Z","abstract_excerpt":"The Planck satellite has identified several patches of sky with low polarized dust emission, obvious targets for searches for the cosmic-microwave-background (CMB) B-mode signal from inflationary gravitational waves. Still, given the Planck measurement uncertainties, the polarized dust foregrounds in these different candidate patches may differ by an order of magnitude or more. Here we show that a brief initial experiment to map these candidate patches more deeply at a single high frequency can efficiently zero in on the cleanest patch(es) and thus improve significantly the sensitivity of subs"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.00625","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":"1502.00625","created_at":"2026-05-18T02:18:13.343684+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.00625v2","created_at":"2026-05-18T02:18:13.343684+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.00625","created_at":"2026-05-18T02:18:13.343684+00:00"},{"alias_kind":"pith_short_12","alias_value":"UHY2I7ELBUNZ","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_16","alias_value":"UHY2I7ELBUNZVGLA","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_8","alias_value":"UHY2I7EL","created_at":"2026-05-18T12:29:44.643036+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/UHY2I7ELBUNZVGLA6NHWV33GVK","json":"https://pith.science/pith/UHY2I7ELBUNZVGLA6NHWV33GVK.json","graph_json":"https://pith.science/api/pith-number/UHY2I7ELBUNZVGLA6NHWV33GVK/graph.json","events_json":"https://pith.science/api/pith-number/UHY2I7ELBUNZVGLA6NHWV33GVK/events.json","paper":"https://pith.science/paper/UHY2I7EL"},"agent_actions":{"view_html":"https://pith.science/pith/UHY2I7ELBUNZVGLA6NHWV33GVK","download_json":"https://pith.science/pith/UHY2I7ELBUNZVGLA6NHWV33GVK.json","view_paper":"https://pith.science/paper/UHY2I7EL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.00625&json=true","fetch_graph":"https://pith.science/api/pith-number/UHY2I7ELBUNZVGLA6NHWV33GVK/graph.json","fetch_events":"https://pith.science/api/pith-number/UHY2I7ELBUNZVGLA6NHWV33GVK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UHY2I7ELBUNZVGLA6NHWV33GVK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UHY2I7ELBUNZVGLA6NHWV33GVK/action/storage_attestation","attest_author":"https://pith.science/pith/UHY2I7ELBUNZVGLA6NHWV33GVK/action/author_attestation","sign_citation":"https://pith.science/pith/UHY2I7ELBUNZVGLA6NHWV33GVK/action/citation_signature","submit_replication":"https://pith.science/pith/UHY2I7ELBUNZVGLA6NHWV33GVK/action/replication_record"}},"created_at":"2026-05-18T02:18:13.343684+00:00","updated_at":"2026-05-18T02:18:13.343684+00:00"}