{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:7AGSW6Z6OM62EV7D3ZFOKVJUVC","short_pith_number":"pith:7AGSW6Z6","schema_version":"1.0","canonical_sha256":"f80d2b7b3e733da257e3de4ae55534a8b31debec7eaebab47f51c2ec623a99fc","source":{"kind":"arxiv","id":"2602.09230","version":2},"attestation_state":"computed","paper":{"title":"Modeling Redshift Uncertainties in Roman Weak Lensing Cosmology","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Boyan Yin, Brett H. Andrews, Chun-Hao To, Diogo H. F. de Souza, Eric Huff, Katarina Markovi\\v{c}, Michael A. Troxel, Olivier Dor\\'e, Tim Eifler, Vivian Miranda","submitted_at":"2026-02-09T21:53:49Z","abstract_excerpt":"Cosmological constraints using weak gravitational lensing measurements from the Roman Space Telescope will require a powerful method for modelling uncertainties in the galaxy redshift distribution. In this work, we use an optimized version of the principal component analysis (PCA) to model uncertainties in the full shape of the redshift distributions, a method proposed by \\cite{pca_method} and recently used in the Dark Energy Survey Y6 analysis. Here, we implement this new approach within the Roman High Latitude Imaging Survey (HLIS) Cosmology Project Infrastructure Team (PIT) pipeline, namely"},"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":"2602.09230","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-02-09T21:53:49Z","cross_cats_sorted":[],"title_canon_sha256":"3e2bc4b1d5b394c62dd940bd22d964519dde44f0f7f2261ab94e1716cc721ae2","abstract_canon_sha256":"69addb33530c9366f84a783452649682df8f5856ed9a9eb70ddf5c60a82b1931"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-01T00:17:10.313646Z","signature_b64":"2ynFteRF3kNxqdPZt9FMG6zOUKjs4FN/VPUSq9MnJIY4T4up9Y+9uFyHvBEd05vz06bFtq/hyku7SRFvJJAHBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f80d2b7b3e733da257e3de4ae55534a8b31debec7eaebab47f51c2ec623a99fc","last_reissued_at":"2026-07-01T00:17:10.313014Z","signature_status":"signed_v1","first_computed_at":"2026-07-01T00:17:10.313014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Modeling Redshift Uncertainties in Roman Weak Lensing Cosmology","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Boyan Yin, Brett H. Andrews, Chun-Hao To, Diogo H. F. de Souza, Eric Huff, Katarina Markovi\\v{c}, Michael A. Troxel, Olivier Dor\\'e, Tim Eifler, Vivian Miranda","submitted_at":"2026-02-09T21:53:49Z","abstract_excerpt":"Cosmological constraints using weak gravitational lensing measurements from the Roman Space Telescope will require a powerful method for modelling uncertainties in the galaxy redshift distribution. In this work, we use an optimized version of the principal component analysis (PCA) to model uncertainties in the full shape of the redshift distributions, a method proposed by \\cite{pca_method} and recently used in the Dark Energy Survey Y6 analysis. Here, we implement this new approach within the Roman High Latitude Imaging Survey (HLIS) Cosmology Project Infrastructure Team (PIT) pipeline, namely"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.09230","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/2602.09230/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":"2602.09230","created_at":"2026-07-01T00:17:10.313086+00:00"},{"alias_kind":"arxiv_version","alias_value":"2602.09230v2","created_at":"2026-07-01T00:17:10.313086+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.09230","created_at":"2026-07-01T00:17:10.313086+00:00"},{"alias_kind":"pith_short_12","alias_value":"7AGSW6Z6OM62","created_at":"2026-07-01T00:17:10.313086+00:00"},{"alias_kind":"pith_short_16","alias_value":"7AGSW6Z6OM62EV7D","created_at":"2026-07-01T00:17:10.313086+00:00"},{"alias_kind":"pith_short_8","alias_value":"7AGSW6Z6","created_at":"2026-07-01T00:17:10.313086+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/7AGSW6Z6OM62EV7D3ZFOKVJUVC","json":"https://pith.science/pith/7AGSW6Z6OM62EV7D3ZFOKVJUVC.json","graph_json":"https://pith.science/api/pith-number/7AGSW6Z6OM62EV7D3ZFOKVJUVC/graph.json","events_json":"https://pith.science/api/pith-number/7AGSW6Z6OM62EV7D3ZFOKVJUVC/events.json","paper":"https://pith.science/paper/7AGSW6Z6"},"agent_actions":{"view_html":"https://pith.science/pith/7AGSW6Z6OM62EV7D3ZFOKVJUVC","download_json":"https://pith.science/pith/7AGSW6Z6OM62EV7D3ZFOKVJUVC.json","view_paper":"https://pith.science/paper/7AGSW6Z6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2602.09230&json=true","fetch_graph":"https://pith.science/api/pith-number/7AGSW6Z6OM62EV7D3ZFOKVJUVC/graph.json","fetch_events":"https://pith.science/api/pith-number/7AGSW6Z6OM62EV7D3ZFOKVJUVC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7AGSW6Z6OM62EV7D3ZFOKVJUVC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7AGSW6Z6OM62EV7D3ZFOKVJUVC/action/storage_attestation","attest_author":"https://pith.science/pith/7AGSW6Z6OM62EV7D3ZFOKVJUVC/action/author_attestation","sign_citation":"https://pith.science/pith/7AGSW6Z6OM62EV7D3ZFOKVJUVC/action/citation_signature","submit_replication":"https://pith.science/pith/7AGSW6Z6OM62EV7D3ZFOKVJUVC/action/replication_record"}},"created_at":"2026-07-01T00:17:10.313086+00:00","updated_at":"2026-07-01T00:17:10.313086+00:00"}