{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:VMA3EVGZNNNUDHPDSPRJVISVSN","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"af58e8a68af346daf52afe142bc2c3d6f10ab84e8389623b1aa94b9491604451","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-26T17:54:04Z","title_canon_sha256":"d310a09b11a28772a597bad0361f5757c7fc15c95c3717e1325a888972bb671a"},"schema_version":"1.0","source":{"id":"2503.20774","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.20774","created_at":"2026-07-05T10:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"2503.20774v1","created_at":"2026-07-05T10:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.20774","created_at":"2026-07-05T10:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"VMA3EVGZNNNU","created_at":"2026-07-05T10:39:43Z"},{"alias_kind":"pith_short_16","alias_value":"VMA3EVGZNNNUDHPD","created_at":"2026-07-05T10:39:43Z"},{"alias_kind":"pith_short_8","alias_value":"VMA3EVGZ","created_at":"2026-07-05T10:39:43Z"}],"graph_snapshots":[{"event_id":"sha256:c471d0268ca9ffd4121d8c637fc57139a30e6b581a3d963270f3c5edbb787bb5","target":"graph","created_at":"2026-07-05T10:39:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2503.20774/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a comprehensive, custom-developed neural network, the PUREPath-B, that yields a posterior predictive distribution of Cosmic Microwave Background (CMB) B-mode signal conditioned on the foreground contaminated CMB data and informed by the training dataset. Our network employs nested probabilistic multi-modal U-Net framework, enhanced with probabilistic ResNets at skip connections and seamlessly integrates Bayesian statistics and variational methods to minimize the foreground and noise contaminations. During training, the initial prior distribution over network parameters evolves int","authors_text":"Pisin Chen, Vipin Sudevan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-26T17:54:04Z","title":"PUREPath-B: A Tessellated Bayesian Model for Recovering CMB B-modes over Large Angular Scales of the Sky"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.20774","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:58e3be7e2dcd5287049038eef49320fd80c311c7bd2686fd53534c40fefc9c0a","target":"record","created_at":"2026-07-05T10:39:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"af58e8a68af346daf52afe142bc2c3d6f10ab84e8389623b1aa94b9491604451","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-26T17:54:04Z","title_canon_sha256":"d310a09b11a28772a597bad0361f5757c7fc15c95c3717e1325a888972bb671a"},"schema_version":"1.0","source":{"id":"2503.20774","kind":"arxiv","version":1}},"canonical_sha256":"ab01b254d96b5b419de393e29aa255934b5533de18b6ac60f83c18c266defeaa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab01b254d96b5b419de393e29aa255934b5533de18b6ac60f83c18c266defeaa","first_computed_at":"2026-07-05T10:39:43.869901Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:39:43.869901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Uw2Tm791RD4SMYAyEriGH6DC7cCku5psfRq/mQnTnlkQW1xNM96LPiF05oPV4DmrKB2ZpLXxv5hetPsJqPcxAA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:39:43.870451Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.20774","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58e3be7e2dcd5287049038eef49320fd80c311c7bd2686fd53534c40fefc9c0a","sha256:c471d0268ca9ffd4121d8c637fc57139a30e6b581a3d963270f3c5edbb787bb5"],"state_sha256":"4f02d9a52eaf982552db16b59372ce2c352cb98c9ab8798233c0300295b0309b"}