{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:QDRENZ2ZB3QWSFCDB7WSWVISXM","short_pith_number":"pith:QDRENZ2Z","canonical_record":{"source":{"id":"2211.11025","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2022-11-20T17:02:52Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"5a6a6c9803825a4b6ba037c3dbf5b62d8eeed280c608a0d65f75c80d8b2b6d2f","abstract_canon_sha256":"65a14b2f986b3d6576aaf5c6fc1e7aaf2b2adf3d2461fc7273eb45417921eb26"},"schema_version":"1.0"},"canonical_sha256":"80e246e7590ee16914430fed2b5512bb3854acd8a40e231a7a931aec9b18d361","source":{"kind":"arxiv","id":"2211.11025","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.11025","created_at":"2026-07-05T05:17:49Z"},{"alias_kind":"arxiv_version","alias_value":"2211.11025v1","created_at":"2026-07-05T05:17:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.11025","created_at":"2026-07-05T05:17:49Z"},{"alias_kind":"pith_short_12","alias_value":"QDRENZ2ZB3QW","created_at":"2026-07-05T05:17:49Z"},{"alias_kind":"pith_short_16","alias_value":"QDRENZ2ZB3QWSFCD","created_at":"2026-07-05T05:17:49Z"},{"alias_kind":"pith_short_8","alias_value":"QDRENZ2Z","created_at":"2026-07-05T05:17:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:QDRENZ2ZB3QWSFCDB7WSWVISXM","target":"record","payload":{"canonical_record":{"source":{"id":"2211.11025","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2022-11-20T17:02:52Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"5a6a6c9803825a4b6ba037c3dbf5b62d8eeed280c608a0d65f75c80d8b2b6d2f","abstract_canon_sha256":"65a14b2f986b3d6576aaf5c6fc1e7aaf2b2adf3d2461fc7273eb45417921eb26"},"schema_version":"1.0"},"canonical_sha256":"80e246e7590ee16914430fed2b5512bb3854acd8a40e231a7a931aec9b18d361","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:17:49.243385Z","signature_b64":"ho3Xpc4kkjWVawyg5sTJx3+CTwuFeFGsa/2e1442zi7rzkrIohRQ3Ff/YBcG2LhPBfhFpZOUWOWZWXfs765QDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80e246e7590ee16914430fed2b5512bb3854acd8a40e231a7a931aec9b18d361","last_reissued_at":"2026-07-05T05:17:49.242959Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:17:49.242959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.11025","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:17:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sg3TNEGzo6auNieYrwFI6RAtGrrPj4miXBO/TeHVnvU/vdlgWhr8HL4vMyJygFaP6U1Ug+3JC+CLAlD/Aez7CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T02:33:45.998311Z"},"content_sha256":"316274875b97c420fd83f0db9ec79bd7a6554735f80ebd456346736f4bae0aa1","schema_version":"1.0","event_id":"sha256:316274875b97c420fd83f0db9ec79bd7a6554735f80ebd456346736f4bae0aa1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:QDRENZ2ZB3QWSFCDB7WSWVISXM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-supervised iRegNet for the Registration of Longitudinal Brain MRI of Diffuse Glioma Patients","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV","cs.LG"],"primary_cat":"eess.IV","authors_text":"Franziska Mathis-Ullrich, Mohamed E. Karar, Oliver Burgert, Ramy A. Zeineldin","submitted_at":"2022-11-20T17:02:52Z","abstract_excerpt":"Reliable and accurate registration of patient-specific brain magnetic resonance imaging (MRI) scans containing pathologies is challenging due to tissue appearance changes. This paper describes our contribution to the Registration of the longitudinal brain MRI task of the Brain Tumor Sequence Registration Challenge 2022 (BraTS-Reg 2022). We developed an enhanced unsupervised learning-based method that extends the iRegNet. In particular, incorporating an unsupervised learning-based paradigm as well as several minor modifications to the network pipeline, allows the enhanced iRegNet method to achi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.11025","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/2211.11025/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:17:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MpEzHyenWQphem6NumWWnB5NLRCasD8DAAeUtf1zVEDg1egF5+vQXoSVcGk8Z+nhayt1jhsI5AoYfDhYMEHvBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T02:33:45.998737Z"},"content_sha256":"6588b4151482d2f8c7ccf0148cc4cb4b30b6a074c685c22a54d5f836c09ca363","schema_version":"1.0","event_id":"sha256:6588b4151482d2f8c7ccf0148cc4cb4b30b6a074c685c22a54d5f836c09ca363"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QDRENZ2ZB3QWSFCDB7WSWVISXM/bundle.json","state_url":"https://pith.science/pith/QDRENZ2ZB3QWSFCDB7WSWVISXM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QDRENZ2ZB3QWSFCDB7WSWVISXM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-09T02:33:45Z","links":{"resolver":"https://pith.science/pith/QDRENZ2ZB3QWSFCDB7WSWVISXM","bundle":"https://pith.science/pith/QDRENZ2ZB3QWSFCDB7WSWVISXM/bundle.json","state":"https://pith.science/pith/QDRENZ2ZB3QWSFCDB7WSWVISXM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QDRENZ2ZB3QWSFCDB7WSWVISXM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:QDRENZ2ZB3QWSFCDB7WSWVISXM","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":"65a14b2f986b3d6576aaf5c6fc1e7aaf2b2adf3d2461fc7273eb45417921eb26","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2022-11-20T17:02:52Z","title_canon_sha256":"5a6a6c9803825a4b6ba037c3dbf5b62d8eeed280c608a0d65f75c80d8b2b6d2f"},"schema_version":"1.0","source":{"id":"2211.11025","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.11025","created_at":"2026-07-05T05:17:49Z"},{"alias_kind":"arxiv_version","alias_value":"2211.11025v1","created_at":"2026-07-05T05:17:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.11025","created_at":"2026-07-05T05:17:49Z"},{"alias_kind":"pith_short_12","alias_value":"QDRENZ2ZB3QW","created_at":"2026-07-05T05:17:49Z"},{"alias_kind":"pith_short_16","alias_value":"QDRENZ2ZB3QWSFCD","created_at":"2026-07-05T05:17:49Z"},{"alias_kind":"pith_short_8","alias_value":"QDRENZ2Z","created_at":"2026-07-05T05:17:49Z"}],"graph_snapshots":[{"event_id":"sha256:6588b4151482d2f8c7ccf0148cc4cb4b30b6a074c685c22a54d5f836c09ca363","target":"graph","created_at":"2026-07-05T05:17:49Z","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/2211.11025/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reliable and accurate registration of patient-specific brain magnetic resonance imaging (MRI) scans containing pathologies is challenging due to tissue appearance changes. This paper describes our contribution to the Registration of the longitudinal brain MRI task of the Brain Tumor Sequence Registration Challenge 2022 (BraTS-Reg 2022). We developed an enhanced unsupervised learning-based method that extends the iRegNet. In particular, incorporating an unsupervised learning-based paradigm as well as several minor modifications to the network pipeline, allows the enhanced iRegNet method to achi","authors_text":"Franziska Mathis-Ullrich, Mohamed E. Karar, Oliver Burgert, Ramy A. Zeineldin","cross_cats":["cs.CV","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2022-11-20T17:02:52Z","title":"Self-supervised iRegNet for the Registration of Longitudinal Brain MRI of Diffuse Glioma Patients"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.11025","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":"sha256:316274875b97c420fd83f0db9ec79bd7a6554735f80ebd456346736f4bae0aa1","target":"record","created_at":"2026-07-05T05:17:49Z","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":"65a14b2f986b3d6576aaf5c6fc1e7aaf2b2adf3d2461fc7273eb45417921eb26","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2022-11-20T17:02:52Z","title_canon_sha256":"5a6a6c9803825a4b6ba037c3dbf5b62d8eeed280c608a0d65f75c80d8b2b6d2f"},"schema_version":"1.0","source":{"id":"2211.11025","kind":"arxiv","version":1}},"canonical_sha256":"80e246e7590ee16914430fed2b5512bb3854acd8a40e231a7a931aec9b18d361","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80e246e7590ee16914430fed2b5512bb3854acd8a40e231a7a931aec9b18d361","first_computed_at":"2026-07-05T05:17:49.242959Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:17:49.242959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ho3Xpc4kkjWVawyg5sTJx3+CTwuFeFGsa/2e1442zi7rzkrIohRQ3Ff/YBcG2LhPBfhFpZOUWOWZWXfs765QDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:17:49.243385Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.11025","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:316274875b97c420fd83f0db9ec79bd7a6554735f80ebd456346736f4bae0aa1","sha256:6588b4151482d2f8c7ccf0148cc4cb4b30b6a074c685c22a54d5f836c09ca363"],"state_sha256":"db3e0a56779caf3b89369a081473cf63d2f6eedf808a270264c60712e117f324"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zd5ZLrhta3o6gcQsamAlS9+Ii2G0kvclZFSikkczF/nYDqhdyx6w7UorMJE0VNW23t6qJgds9qm/jnOC/nZgCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T02:33:46.000733Z","bundle_sha256":"a3892c8341141b9b8519cfa68736c5f3c120aacd7c921badc3e604ed1a513961"}}