{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:XF7T3HMZ534MU5QJQTHBUHDUDX","short_pith_number":"pith:XF7T3HMZ","canonical_record":{"source":{"id":"2606.25279","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-24T01:31:44Z","cross_cats_sorted":[],"title_canon_sha256":"42db4f9d792bbc4ff87c30ae3dbcc7592e273ec51c3bd56a144e46ebf3a716be","abstract_canon_sha256":"668cfd531129135d12521acb1d8c2a00d767f5e2e6def54b4ade4a452081aa68"},"schema_version":"1.0"},"canonical_sha256":"b97f3d9d99eef8ca760984ce1a1c741dc6864656f32f964f04f03b4c20ed9904","source":{"kind":"arxiv","id":"2606.25279","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25279","created_at":"2026-06-25T01:18:00Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25279v1","created_at":"2026-06-25T01:18:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25279","created_at":"2026-06-25T01:18:00Z"},{"alias_kind":"pith_short_12","alias_value":"XF7T3HMZ534M","created_at":"2026-06-25T01:18:00Z"},{"alias_kind":"pith_short_16","alias_value":"XF7T3HMZ534MU5QJ","created_at":"2026-06-25T01:18:00Z"},{"alias_kind":"pith_short_8","alias_value":"XF7T3HMZ","created_at":"2026-06-25T01:18:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:XF7T3HMZ534MU5QJQTHBUHDUDX","target":"record","payload":{"canonical_record":{"source":{"id":"2606.25279","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-24T01:31:44Z","cross_cats_sorted":[],"title_canon_sha256":"42db4f9d792bbc4ff87c30ae3dbcc7592e273ec51c3bd56a144e46ebf3a716be","abstract_canon_sha256":"668cfd531129135d12521acb1d8c2a00d767f5e2e6def54b4ade4a452081aa68"},"schema_version":"1.0"},"canonical_sha256":"b97f3d9d99eef8ca760984ce1a1c741dc6864656f32f964f04f03b4c20ed9904","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T01:18:00.768183Z","signature_b64":"KxNd0n3LzIJ6ZBRYCh6b87YbipRePIAFR0hR9EUSs5X98ZixprtLWakYRj345l9e/ip4vrTIaLdOCx6kTKYbCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b97f3d9d99eef8ca760984ce1a1c741dc6864656f32f964f04f03b4c20ed9904","last_reissued_at":"2026-06-25T01:18:00.767725Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T01:18:00.767725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.25279","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":"2026-06-25T01:18:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3qwT9gKdxuuM/XgXZ90PxRYrEc1HpN801VVbqfkTXpLJjxbqLIqy9DCHYcZV/bFKbzJNjQKZwCyowItdoNSvDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T12:16:22.083390Z"},"content_sha256":"5d49cc803916521f52ddd21260e9ba3ea39ee151b60a682bd1ae6ed63350d25f","schema_version":"1.0","event_id":"sha256:5d49cc803916521f52ddd21260e9ba3ea39ee151b60a682bd1ae6ed63350d25f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:XF7T3HMZ534MU5QJQTHBUHDUDX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MRI2Rep: Autoregressive Structured Report Generation for 3D Liver MRI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Annabella Shewarega, James S. Duncan, Julius Chapiro, Junlin Yang, Lawrence H. Staib, Xinran Li, Zongwei Zhou","submitted_at":"2026-06-24T01:31:44Z","abstract_excerpt":"Manual reporting of 3D MRI studies is time-consuming, yet end-to-end structured report generation for 3D liver MRI remains underexplored due to volumetric complexity and scarce paired data. We propose MRI2Rep, an autoregressive framework for liver MRI report generation. From 3,929 real-world MRI-report pairs acquired over a 10-year single-institution cohort, a Report-to-Label Canonicalization (RLC) module converts free-text reports into structured, closed-vocabulary diagnostic sequences without lesion-level annotations. On a held-out test set, MRI2Rep achieves 76.0% case-level sensitivity, 29."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25279","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/2606.25279/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":"2026-06-25T01:18:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E3G0wzGsvts3tcjQt64Z125iRPknzCv2nwdHtPiabOIm+iBzdlcvQs1gxJrV7riVS7m0R/DlVZP4Ei2XLiqfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T12:16:22.083762Z"},"content_sha256":"3c7ca5b08e89aa3312ea8891128544faedbb0399cef140464a0660a003fac84e","schema_version":"1.0","event_id":"sha256:3c7ca5b08e89aa3312ea8891128544faedbb0399cef140464a0660a003fac84e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XF7T3HMZ534MU5QJQTHBUHDUDX/bundle.json","state_url":"https://pith.science/pith/XF7T3HMZ534MU5QJQTHBUHDUDX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XF7T3HMZ534MU5QJQTHBUHDUDX/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":"2026-06-28T12:16:22Z","links":{"resolver":"https://pith.science/pith/XF7T3HMZ534MU5QJQTHBUHDUDX","bundle":"https://pith.science/pith/XF7T3HMZ534MU5QJQTHBUHDUDX/bundle.json","state":"https://pith.science/pith/XF7T3HMZ534MU5QJQTHBUHDUDX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XF7T3HMZ534MU5QJQTHBUHDUDX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:XF7T3HMZ534MU5QJQTHBUHDUDX","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":"668cfd531129135d12521acb1d8c2a00d767f5e2e6def54b4ade4a452081aa68","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-24T01:31:44Z","title_canon_sha256":"42db4f9d792bbc4ff87c30ae3dbcc7592e273ec51c3bd56a144e46ebf3a716be"},"schema_version":"1.0","source":{"id":"2606.25279","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25279","created_at":"2026-06-25T01:18:00Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25279v1","created_at":"2026-06-25T01:18:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25279","created_at":"2026-06-25T01:18:00Z"},{"alias_kind":"pith_short_12","alias_value":"XF7T3HMZ534M","created_at":"2026-06-25T01:18:00Z"},{"alias_kind":"pith_short_16","alias_value":"XF7T3HMZ534MU5QJ","created_at":"2026-06-25T01:18:00Z"},{"alias_kind":"pith_short_8","alias_value":"XF7T3HMZ","created_at":"2026-06-25T01:18:00Z"}],"graph_snapshots":[{"event_id":"sha256:3c7ca5b08e89aa3312ea8891128544faedbb0399cef140464a0660a003fac84e","target":"graph","created_at":"2026-06-25T01:18:00Z","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/2606.25279/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Manual reporting of 3D MRI studies is time-consuming, yet end-to-end structured report generation for 3D liver MRI remains underexplored due to volumetric complexity and scarce paired data. We propose MRI2Rep, an autoregressive framework for liver MRI report generation. From 3,929 real-world MRI-report pairs acquired over a 10-year single-institution cohort, a Report-to-Label Canonicalization (RLC) module converts free-text reports into structured, closed-vocabulary diagnostic sequences without lesion-level annotations. On a held-out test set, MRI2Rep achieves 76.0% case-level sensitivity, 29.","authors_text":"Annabella Shewarega, James S. Duncan, Julius Chapiro, Junlin Yang, Lawrence H. Staib, Xinran Li, Zongwei Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-24T01:31:44Z","title":"MRI2Rep: Autoregressive Structured Report Generation for 3D Liver MRI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25279","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":"sha256:5d49cc803916521f52ddd21260e9ba3ea39ee151b60a682bd1ae6ed63350d25f","target":"record","created_at":"2026-06-25T01:18:00Z","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":"668cfd531129135d12521acb1d8c2a00d767f5e2e6def54b4ade4a452081aa68","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-24T01:31:44Z","title_canon_sha256":"42db4f9d792bbc4ff87c30ae3dbcc7592e273ec51c3bd56a144e46ebf3a716be"},"schema_version":"1.0","source":{"id":"2606.25279","kind":"arxiv","version":1}},"canonical_sha256":"b97f3d9d99eef8ca760984ce1a1c741dc6864656f32f964f04f03b4c20ed9904","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b97f3d9d99eef8ca760984ce1a1c741dc6864656f32f964f04f03b4c20ed9904","first_computed_at":"2026-06-25T01:18:00.767725Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T01:18:00.767725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KxNd0n3LzIJ6ZBRYCh6b87YbipRePIAFR0hR9EUSs5X98ZixprtLWakYRj345l9e/ip4vrTIaLdOCx6kTKYbCg==","signature_status":"signed_v1","signed_at":"2026-06-25T01:18:00.768183Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.25279","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d49cc803916521f52ddd21260e9ba3ea39ee151b60a682bd1ae6ed63350d25f","sha256:3c7ca5b08e89aa3312ea8891128544faedbb0399cef140464a0660a003fac84e"],"state_sha256":"0f8752eeb4306c54a3b27ed4c62e50b58b26117846404a85f19afa080da136d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h306X6Ct9wiUIByiVRMeUyypS4iww6PEeci1pvCkJPV3vwoFEcPJcYMoXAAQCcT5YsONNslrh1jT33R2V1C/DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T12:16:22.085743Z","bundle_sha256":"2c35d4b1667e746ba76d53870bef4dc656c1cc30823e33f2aa7b308b81dbee74"}}