{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:NBIQR35TJUIX7U25FGFB5H3RVQ","short_pith_number":"pith:NBIQR35T","schema_version":"1.0","canonical_sha256":"685108efb34d117fd35d298a1e9f71ac1de4c8c13463377853794472024d177b","source":{"kind":"arxiv","id":"2101.03833","version":1},"attestation_state":"computed","paper":{"title":"The optical design of the LiteBIRD Middle and High Frequency Telescope","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"A. Paiella, A. Ritacco, A. Suzuki, B. Maffei, B. Mot, B. Winter (for the Litebird Joint Study Group), C. Franceschet, C. O'Sullivan, F. Columbro, F. Noviello, G. Jaehnig, G. Pisano, G. Savini, H. Imada, J. Austermann, J.E. Gudmundsson, J. Hubmayr, L. Lamagna, L. Montier, M. De Petris, N. Trappe, P. De Bernardis, P. Hargrave, R. Keskitalo, S. Bounissou, S. Henrot-Versille, S. Masi, S. Realini, T. Matsumura","submitted_at":"2021-01-11T11:59:09Z","abstract_excerpt":"LiteBIRD is a JAXA strategic L-class mission devoted to the measurement of polarization of the Cosmic Microwave Background, searching for the signature of primordial gravitational waves in the B-modes pattern of the polarization. The onboard instrumentation includes a Middle and High Frequency Telescope (MHFT), based on a pair of cryogenically cooled refractive telescopes covering, respectively, the 89-224 GHz and the 166-448 GHz bands. Given the high target sensitivity and the careful systematics control needed to achieve the scientific goals of the mission, optical modeling and characterizat"},"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":"2101.03833","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-01-11T11:59:09Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d39526785e1b38e143c91eb682189e9c2b558a129b17b3db65b36510578c35a8","abstract_canon_sha256":"96c3405df5ff85ca84c04360b33ab4cab4d950249e22592a6612a1ece9435012"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:05:54.458570Z","signature_b64":"UwBPoV2lHUN146YHICj5kxlCGGzRxjLMZbmJXS1EjOrlV66BX3ceh/IEuQLuTfMGHn4Uxt9F7TFN1+2Z/DzVBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"685108efb34d117fd35d298a1e9f71ac1de4c8c13463377853794472024d177b","last_reissued_at":"2026-07-05T02:05:54.458114Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:05:54.458114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The optical design of the LiteBIRD Middle and High Frequency Telescope","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"A. Paiella, A. Ritacco, A. Suzuki, B. Maffei, B. Mot, B. Winter (for the Litebird Joint Study Group), C. Franceschet, C. O'Sullivan, F. Columbro, F. Noviello, G. Jaehnig, G. Pisano, G. Savini, H. Imada, J. Austermann, J.E. Gudmundsson, J. Hubmayr, L. Lamagna, L. Montier, M. De Petris, N. Trappe, P. De Bernardis, P. Hargrave, R. Keskitalo, S. Bounissou, S. Henrot-Versille, S. Masi, S. Realini, T. Matsumura","submitted_at":"2021-01-11T11:59:09Z","abstract_excerpt":"LiteBIRD is a JAXA strategic L-class mission devoted to the measurement of polarization of the Cosmic Microwave Background, searching for the signature of primordial gravitational waves in the B-modes pattern of the polarization. The onboard instrumentation includes a Middle and High Frequency Telescope (MHFT), based on a pair of cryogenically cooled refractive telescopes covering, respectively, the 89-224 GHz and the 166-448 GHz bands. Given the high target sensitivity and the careful systematics control needed to achieve the scientific goals of the mission, optical modeling and characterizat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.03833","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.03833/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":"2101.03833","created_at":"2026-07-05T02:05:54.458177+00:00"},{"alias_kind":"arxiv_version","alias_value":"2101.03833v1","created_at":"2026-07-05T02:05:54.458177+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.03833","created_at":"2026-07-05T02:05:54.458177+00:00"},{"alias_kind":"pith_short_12","alias_value":"NBIQR35TJUIX","created_at":"2026-07-05T02:05:54.458177+00:00"},{"alias_kind":"pith_short_16","alias_value":"NBIQR35TJUIX7U25","created_at":"2026-07-05T02:05:54.458177+00:00"},{"alias_kind":"pith_short_8","alias_value":"NBIQR35T","created_at":"2026-07-05T02:05:54.458177+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/NBIQR35TJUIX7U25FGFB5H3RVQ","json":"https://pith.science/pith/NBIQR35TJUIX7U25FGFB5H3RVQ.json","graph_json":"https://pith.science/api/pith-number/NBIQR35TJUIX7U25FGFB5H3RVQ/graph.json","events_json":"https://pith.science/api/pith-number/NBIQR35TJUIX7U25FGFB5H3RVQ/events.json","paper":"https://pith.science/paper/NBIQR35T"},"agent_actions":{"view_html":"https://pith.science/pith/NBIQR35TJUIX7U25FGFB5H3RVQ","download_json":"https://pith.science/pith/NBIQR35TJUIX7U25FGFB5H3RVQ.json","view_paper":"https://pith.science/paper/NBIQR35T","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2101.03833&json=true","fetch_graph":"https://pith.science/api/pith-number/NBIQR35TJUIX7U25FGFB5H3RVQ/graph.json","fetch_events":"https://pith.science/api/pith-number/NBIQR35TJUIX7U25FGFB5H3RVQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NBIQR35TJUIX7U25FGFB5H3RVQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NBIQR35TJUIX7U25FGFB5H3RVQ/action/storage_attestation","attest_author":"https://pith.science/pith/NBIQR35TJUIX7U25FGFB5H3RVQ/action/author_attestation","sign_citation":"https://pith.science/pith/NBIQR35TJUIX7U25FGFB5H3RVQ/action/citation_signature","submit_replication":"https://pith.science/pith/NBIQR35TJUIX7U25FGFB5H3RVQ/action/replication_record"}},"created_at":"2026-07-05T02:05:54.458177+00:00","updated_at":"2026-07-05T02:05:54.458177+00:00"}