{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:R4G7WTNOP2IPKL3JBZ22VKKWHS","short_pith_number":"pith:R4G7WTNO","schema_version":"1.0","canonical_sha256":"8f0dfb4dae7e90f52f690e75aaa9563cb95ff5e7732a17e4384755b967c49cd8","source":{"kind":"arxiv","id":"2403.00763","version":2},"attestation_state":"computed","paper":{"title":"Optical modeling of systematic uncertainties in detector polarization angles for the Atacama Cosmology Telescope","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"Brian J. Koopman, Colin C. Murphy, Edward J. Wollack, Jeff McMahon, Lyman A. Page, Mark J. Devlin, Matthew Hasselfield, Michael D. Niemack, Rahul Datta, Robert Thornton, Sigurd Naess, Steve K. Choi, Suzanne T. Staggs","submitted_at":"2024-03-01T18:59:22Z","abstract_excerpt":"We present an estimate of the Atacama Cosmology Telescope (ACT) detector polarization angle systematic uncertainty from optics perturbation analysis using polarization-sensitive ray tracing in CODE V optical design software. Uncertainties in polarization angle calibration in CMB measurements can limit constraints on cosmic birefringence and other cosmological parameters sensitive to polarization leakage. Our framework estimates the angle calibration systematic uncertainties from possible displacements in lens positions and orientations, and anti-reflection coating (ARC) thicknesses and refract"},"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":"2403.00763","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-03-01T18:59:22Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"f119af675b6a756e62b25bb88b3c416406c501c5a2d74c7c250528123ad1f91c","abstract_canon_sha256":"2d4701e86e237e716a56687b64e028e237de6da7fae9fc5fd11b0a71048b56de"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:50:54.383680Z","signature_b64":"tOcqekdo2tAbD7Q04ppsM7une6Leb/uURJVmgYTVow6Ad9DeB8ES94GqWPD5Z5sC0PQ1lEEhrYCoiATHnPEKCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f0dfb4dae7e90f52f690e75aaa9563cb95ff5e7732a17e4384755b967c49cd8","last_reissued_at":"2026-07-05T08:50:54.383248Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:50:54.383248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical modeling of systematic uncertainties in detector polarization angles for the Atacama Cosmology Telescope","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"Brian J. Koopman, Colin C. Murphy, Edward J. Wollack, Jeff McMahon, Lyman A. Page, Mark J. Devlin, Matthew Hasselfield, Michael D. Niemack, Rahul Datta, Robert Thornton, Sigurd Naess, Steve K. Choi, Suzanne T. Staggs","submitted_at":"2024-03-01T18:59:22Z","abstract_excerpt":"We present an estimate of the Atacama Cosmology Telescope (ACT) detector polarization angle systematic uncertainty from optics perturbation analysis using polarization-sensitive ray tracing in CODE V optical design software. Uncertainties in polarization angle calibration in CMB measurements can limit constraints on cosmic birefringence and other cosmological parameters sensitive to polarization leakage. Our framework estimates the angle calibration systematic uncertainties from possible displacements in lens positions and orientations, and anti-reflection coating (ARC) thicknesses and refract"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.00763","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2403.00763/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2403.00763","created_at":"2026-07-05T08:50:54.383299+00:00"},{"alias_kind":"arxiv_version","alias_value":"2403.00763v2","created_at":"2026-07-05T08:50:54.383299+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.00763","created_at":"2026-07-05T08:50:54.383299+00:00"},{"alias_kind":"pith_short_12","alias_value":"R4G7WTNOP2IP","created_at":"2026-07-05T08:50:54.383299+00:00"},{"alias_kind":"pith_short_16","alias_value":"R4G7WTNOP2IPKL3J","created_at":"2026-07-05T08:50:54.383299+00:00"},{"alias_kind":"pith_short_8","alias_value":"R4G7WTNO","created_at":"2026-07-05T08:50:54.383299+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2509.13654","citing_title":"Cosmic Birefringence from the Atacama Cosmology Telescope Data Release 6","ref_index":27,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/R4G7WTNOP2IPKL3JBZ22VKKWHS","json":"https://pith.science/pith/R4G7WTNOP2IPKL3JBZ22VKKWHS.json","graph_json":"https://pith.science/api/pith-number/R4G7WTNOP2IPKL3JBZ22VKKWHS/graph.json","events_json":"https://pith.science/api/pith-number/R4G7WTNOP2IPKL3JBZ22VKKWHS/events.json","paper":"https://pith.science/paper/R4G7WTNO"},"agent_actions":{"view_html":"https://pith.science/pith/R4G7WTNOP2IPKL3JBZ22VKKWHS","download_json":"https://pith.science/pith/R4G7WTNOP2IPKL3JBZ22VKKWHS.json","view_paper":"https://pith.science/paper/R4G7WTNO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2403.00763&json=true","fetch_graph":"https://pith.science/api/pith-number/R4G7WTNOP2IPKL3JBZ22VKKWHS/graph.json","fetch_events":"https://pith.science/api/pith-number/R4G7WTNOP2IPKL3JBZ22VKKWHS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R4G7WTNOP2IPKL3JBZ22VKKWHS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R4G7WTNOP2IPKL3JBZ22VKKWHS/action/storage_attestation","attest_author":"https://pith.science/pith/R4G7WTNOP2IPKL3JBZ22VKKWHS/action/author_attestation","sign_citation":"https://pith.science/pith/R4G7WTNOP2IPKL3JBZ22VKKWHS/action/citation_signature","submit_replication":"https://pith.science/pith/R4G7WTNOP2IPKL3JBZ22VKKWHS/action/replication_record"}},"created_at":"2026-07-05T08:50:54.383299+00:00","updated_at":"2026-07-05T08:50:54.383299+00:00"}