{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:CJPCR3UOBLTKRDJSDERBMWMVR3","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":"66bb7eac2b6e54f376e34b68b3e69bc740269b346e8aef0f16670b4424cc6ed0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2022-09-12T20:35:05Z","title_canon_sha256":"03d28d3be7286e1f78a118c254bc2c5b354b3fa09edc1b8aeb8c13fa822523d8"},"schema_version":"1.0","source":{"id":"2209.05600","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.05600","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"arxiv_version","alias_value":"2209.05600v1","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.05600","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"pith_short_12","alias_value":"CJPCR3UOBLTK","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"pith_short_16","alias_value":"CJPCR3UOBLTKRDJS","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"pith_short_8","alias_value":"CJPCR3UO","created_at":"2026-07-05T04:56:47Z"}],"graph_snapshots":[{"event_id":"sha256:5e76f18687b47802fd8679cbe2a0d71190de893a88942a43d7d7d06b7a858295","target":"graph","created_at":"2026-07-05T04:56:47Z","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/2209.05600/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Purpose: Diffeomorphic image registration is essential in many medical imaging applications. Several registration algorithms of such type have been proposed, but primarily for intra-contrast alignment. Currently, efficient inter-modal/contrast diffeomorphic registration, which is vital in numerous applications, remains a challenging task. Methods: We proposed a novel inter-modal/contrast registration algorithm that leverages Robust PaTch-based cOrrelation Ratio (RaPTOR) metric to allow inter-modal/contrast image alignment and bandlimited geodesic shooting demonstrated in Fourier Approximated L","authors_text":"Hassan Rivaz, M. Omair Ahmad, Nima Masoumi, Yiming Xiao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2022-09-12T20:35:05Z","title":"DiffeoRaptor: Diffeomorphic Inter-modal Image Registration using RaPTOR"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.05600","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":"sha256:3cad96d29ff4b3b0e6e7b87820e31be46a828bc1f591abf1615f77da306865bf","target":"record","created_at":"2026-07-05T04:56:47Z","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":"66bb7eac2b6e54f376e34b68b3e69bc740269b346e8aef0f16670b4424cc6ed0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2022-09-12T20:35:05Z","title_canon_sha256":"03d28d3be7286e1f78a118c254bc2c5b354b3fa09edc1b8aeb8c13fa822523d8"},"schema_version":"1.0","source":{"id":"2209.05600","kind":"arxiv","version":1}},"canonical_sha256":"125e28ee8e0ae6a88d3219221659958ed67c05a32479b07f95f2c8ab6fd41e8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"125e28ee8e0ae6a88d3219221659958ed67c05a32479b07f95f2c8ab6fd41e8a","first_computed_at":"2026-07-05T04:56:47.987618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:56:47.987618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cGigedx+R1+nI7h+pUCXa6OhsTDr0ZwvQTn79Yu/fNn8/8QQOwfHpbubrXs9usLkPBfRdAeFi+6VWT91hiSWCA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:56:47.988068Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.05600","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3cad96d29ff4b3b0e6e7b87820e31be46a828bc1f591abf1615f77da306865bf","sha256:5e76f18687b47802fd8679cbe2a0d71190de893a88942a43d7d7d06b7a858295"],"state_sha256":"802a42b3c3df19d16a0d3c2e99652bda640c4323e3fb7013ceb9472d092c8119"}