{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:R6HT37U7XAKA4JOBRK64BUCHLF","short_pith_number":"pith:R6HT37U7","schema_version":"1.0","canonical_sha256":"8f8f3dfe9fb8140e25c18abdc0d047594526b41f1a0cbf61dc9d47c0a41bc520","source":{"kind":"arxiv","id":"2111.09140","version":2},"attestation_state":"computed","paper":{"title":"In-flight polarization angle calibration for LiteBIRD: blind challenge and cosmological implications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Alessandro Carones, Alessandro Gruppuso, Alessandro Paiella, Andrea Tartari, Anthony J. Banday, Baptiste Mot, Carlo Baccigalupi, Daniela Paoletti, Davide Maino, Davide Poletti, Eiichiro Komatsu, Eirik Gjerl{\\o}w, Elena de la Hoz, Enrique Mart\\'inez-Gonz\\'alez, Erminia Calabrese, Fabio Columbro, Fabio Finelli, Federico Nati, Fran\\c{c}ois Levrier, Francesco Piacentini, Francisco J. Casas, Gemma Luzzi, Gianluca Morgante, Gianluca Polenta, Giovanni Signorelli, G. Puglisi, Guillaume Patanchon, Ingunn K. Wehus, Jonathan Aumont, Jose Alberto Rubino-Martin, Josquin Errard, Kolen Cheung, L\\'eo Vacher, Luca Lamagna, Luca Pagano, Ludovic Montier, Manami Sasaki, Marco Bersanelli, Maresuke Shiraishi, Marina Migliaccio, Mario Zannoni (for the LiteBIRD Collaboration), Martina Gerbino, Masashi Hazumi, Masatoshi Tsuji, Massimiliano Lattanzi, Mathew Galloway, Mathieu Remazeilles, Matthieu Tristram, Nicola Bartolo, Nicoletta Krachmalnicoff, Paolo De Bernardis, Paolo Natoli, Patricia Diego-Palazuelos, Patricio Vielva, Ragnhild Aurlien, Ricardo T. Genova-Santos, Rita B. Barreiro, Ryo Nagata, Samantha Stever, Serena Giardiello, Silvia Masi, Sophie Henrot-Versill\\'e, Soumen Basak, Susanna Azzoni, Theodore Kisner, Tommaso Ghigna, Tomotake Matsumura, Unni Fuskeland, Yuji Chinone, Yuto Minami","submitted_at":"2021-11-17T14:24:42Z","abstract_excerpt":"We present a demonstration of the in-flight polarization angle calibration for the JAXA/ISAS second strategic large class mission, LiteBIRD, and estimate its impact on the measurement of the tensor-to-scalar ratio parameter, r, using simulated data. We generate a set of simulated sky maps with CMB and polarized foreground emission, and inject instrumental noise and polarization angle offsets to the 22 (partially overlapping) LiteBIRD frequency channels. Our in-flight angle calibration relies on nulling the EB cross correlation of the polarized signal in each channel. This calibration step has "},"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":"2111.09140","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-11-17T14:24:42Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"088150d9431553e30d7e7d28b8db01e3ca1c85d5cd954cf4c5d623ebb451d7b0","abstract_canon_sha256":"e767c5ac1f1221989baed729660946d90a2eebe496a843205461eba82c17d239"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:53:11.965796Z","signature_b64":"MmxfKj8d1xdMSx8tUKsK1lG9Wv40lI4Te6F1RXlQVk/w7J4PP0ZI2bbcyktFE2OVKUhJ2iNWU5jKJhSEq/iTBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f8f3dfe9fb8140e25c18abdc0d047594526b41f1a0cbf61dc9d47c0a41bc520","last_reissued_at":"2026-07-05T03:53:11.965269Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:53:11.965269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"In-flight polarization angle calibration for LiteBIRD: blind challenge and cosmological implications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Alessandro Carones, Alessandro Gruppuso, Alessandro Paiella, Andrea Tartari, Anthony J. Banday, Baptiste Mot, Carlo Baccigalupi, Daniela Paoletti, Davide Maino, Davide Poletti, Eiichiro Komatsu, Eirik Gjerl{\\o}w, Elena de la Hoz, Enrique Mart\\'inez-Gonz\\'alez, Erminia Calabrese, Fabio Columbro, Fabio Finelli, Federico Nati, Fran\\c{c}ois Levrier, Francesco Piacentini, Francisco J. Casas, Gemma Luzzi, Gianluca Morgante, Gianluca Polenta, Giovanni Signorelli, G. Puglisi, Guillaume Patanchon, Ingunn K. Wehus, Jonathan Aumont, Jose Alberto Rubino-Martin, Josquin Errard, Kolen Cheung, L\\'eo Vacher, Luca Lamagna, Luca Pagano, Ludovic Montier, Manami Sasaki, Marco Bersanelli, Maresuke Shiraishi, Marina Migliaccio, Mario Zannoni (for the LiteBIRD Collaboration), Martina Gerbino, Masashi Hazumi, Masatoshi Tsuji, Massimiliano Lattanzi, Mathew Galloway, Mathieu Remazeilles, Matthieu Tristram, Nicola Bartolo, Nicoletta Krachmalnicoff, Paolo De Bernardis, Paolo Natoli, Patricia Diego-Palazuelos, Patricio Vielva, Ragnhild Aurlien, Ricardo T. Genova-Santos, Rita B. Barreiro, Ryo Nagata, Samantha Stever, Serena Giardiello, Silvia Masi, Sophie Henrot-Versill\\'e, Soumen Basak, Susanna Azzoni, Theodore Kisner, Tommaso Ghigna, Tomotake Matsumura, Unni Fuskeland, Yuji Chinone, Yuto Minami","submitted_at":"2021-11-17T14:24:42Z","abstract_excerpt":"We present a demonstration of the in-flight polarization angle calibration for the JAXA/ISAS second strategic large class mission, LiteBIRD, and estimate its impact on the measurement of the tensor-to-scalar ratio parameter, r, using simulated data. We generate a set of simulated sky maps with CMB and polarized foreground emission, and inject instrumental noise and polarization angle offsets to the 22 (partially overlapping) LiteBIRD frequency channels. Our in-flight angle calibration relies on nulling the EB cross correlation of the polarized signal in each channel. This calibration step has "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.09140","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/2111.09140/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":"2111.09140","created_at":"2026-07-05T03:53:11.965341+00:00"},{"alias_kind":"arxiv_version","alias_value":"2111.09140v2","created_at":"2026-07-05T03:53:11.965341+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.09140","created_at":"2026-07-05T03:53:11.965341+00:00"},{"alias_kind":"pith_short_12","alias_value":"R6HT37U7XAKA","created_at":"2026-07-05T03:53:11.965341+00:00"},{"alias_kind":"pith_short_16","alias_value":"R6HT37U7XAKA4JOB","created_at":"2026-07-05T03:53:11.965341+00:00"},{"alias_kind":"pith_short_8","alias_value":"R6HT37U7","created_at":"2026-07-05T03:53:11.965341+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/R6HT37U7XAKA4JOBRK64BUCHLF","json":"https://pith.science/pith/R6HT37U7XAKA4JOBRK64BUCHLF.json","graph_json":"https://pith.science/api/pith-number/R6HT37U7XAKA4JOBRK64BUCHLF/graph.json","events_json":"https://pith.science/api/pith-number/R6HT37U7XAKA4JOBRK64BUCHLF/events.json","paper":"https://pith.science/paper/R6HT37U7"},"agent_actions":{"view_html":"https://pith.science/pith/R6HT37U7XAKA4JOBRK64BUCHLF","download_json":"https://pith.science/pith/R6HT37U7XAKA4JOBRK64BUCHLF.json","view_paper":"https://pith.science/paper/R6HT37U7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2111.09140&json=true","fetch_graph":"https://pith.science/api/pith-number/R6HT37U7XAKA4JOBRK64BUCHLF/graph.json","fetch_events":"https://pith.science/api/pith-number/R6HT37U7XAKA4JOBRK64BUCHLF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R6HT37U7XAKA4JOBRK64BUCHLF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R6HT37U7XAKA4JOBRK64BUCHLF/action/storage_attestation","attest_author":"https://pith.science/pith/R6HT37U7XAKA4JOBRK64BUCHLF/action/author_attestation","sign_citation":"https://pith.science/pith/R6HT37U7XAKA4JOBRK64BUCHLF/action/citation_signature","submit_replication":"https://pith.science/pith/R6HT37U7XAKA4JOBRK64BUCHLF/action/replication_record"}},"created_at":"2026-07-05T03:53:11.965341+00:00","updated_at":"2026-07-05T03:53:11.965341+00:00"}