{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:EL3PSQE2ILUWQP6XMN224ARIOJ","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":"594f1f71a455b666241e0a20e2859882746193ffea263afb1e186384d58cf98d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-08T19:30:58Z","title_canon_sha256":"17f3fcb5ba34eb1e8c00cb13e78f94f821503ca4ae21577d35b1aa22fc2da6e1"},"schema_version":"1.0","source":{"id":"2303.04849","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.04849","created_at":"2026-07-05T05:49:34Z"},{"alias_kind":"arxiv_version","alias_value":"2303.04849v1","created_at":"2026-07-05T05:49:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.04849","created_at":"2026-07-05T05:49:34Z"},{"alias_kind":"pith_short_12","alias_value":"EL3PSQE2ILUW","created_at":"2026-07-05T05:49:34Z"},{"alias_kind":"pith_short_16","alias_value":"EL3PSQE2ILUWQP6X","created_at":"2026-07-05T05:49:34Z"},{"alias_kind":"pith_short_8","alias_value":"EL3PSQE2","created_at":"2026-07-05T05:49:34Z"}],"graph_snapshots":[{"event_id":"sha256:f49bcbd703691f3966d2e5ab27385c4697a0d5f934d1063086013c88e11456f8","target":"graph","created_at":"2026-07-05T05:49:34Z","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/2303.04849/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents a novel predictive model, MetaMorph, for metamorphic registration of images with appearance changes (i.e., caused by brain tumors). In contrast to previous learning-based registration methods that have little or no control over appearance-changes, our model introduces a new regularization that can effectively suppress the negative effects of appearance changing areas. In particular, we develop a piecewise regularization on the tangent space of diffeomorphic transformations (also known as initial velocity fields) via learned segmentation maps of abnormal regions. The geometr","authors_text":"Jason Druzgal, Jian Wang, Jiarui Xing, Miaomiao Zhang, William M. Wells III","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-08T19:30:58Z","title":"MetaMorph: Learning Metamorphic Image Transformation With Appearance Changes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.04849","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":"sha256:57216ff0d3e9e9c82b4d93136e641dd14cf3600403b98f466eec62b4a6c19023","target":"record","created_at":"2026-07-05T05:49:34Z","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":"594f1f71a455b666241e0a20e2859882746193ffea263afb1e186384d58cf98d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-08T19:30:58Z","title_canon_sha256":"17f3fcb5ba34eb1e8c00cb13e78f94f821503ca4ae21577d35b1aa22fc2da6e1"},"schema_version":"1.0","source":{"id":"2303.04849","kind":"arxiv","version":1}},"canonical_sha256":"22f6f9409a42e9683fd76375ae02287254d14d9fc2a3eec73f2614bfb28ea3d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22f6f9409a42e9683fd76375ae02287254d14d9fc2a3eec73f2614bfb28ea3d0","first_computed_at":"2026-07-05T05:49:34.538294Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:49:34.538294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c7SvpFOCP7sVGYtY5/dpHdSGnipG549ElwrgCDqV/50SdVkmt30jQA2gdmwZMfpAw9aVykhM8X6HFSOQESwwDA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:49:34.538716Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.04849","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57216ff0d3e9e9c82b4d93136e641dd14cf3600403b98f466eec62b4a6c19023","sha256:f49bcbd703691f3966d2e5ab27385c4697a0d5f934d1063086013c88e11456f8"],"state_sha256":"36cc4ecb786be69045930574e0792018a1695d7fffefcc0112c5a92532f79d64"}