{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:MI7HGRLQJ5ZLOYXJI6CJQPWFP3","short_pith_number":"pith:MI7HGRLQ","canonical_record":{"source":{"id":"2602.22919","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-02-26T12:06:43Z","cross_cats_sorted":[],"title_canon_sha256":"51b130c3ed5f8e461f08a29a8654c35ed77619d14c31088ce452c1758deb1683","abstract_canon_sha256":"e9d421822dabc60c3e2ea93cf46181677623f153a48ead92154826eec1802a48"},"schema_version":"1.0"},"canonical_sha256":"623e7345704f72b762e94784983ec57ee3f6d27d7d89bb2cc480b57d1727af29","source":{"kind":"arxiv","id":"2602.22919","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.22919","created_at":"2026-06-09T01:05:15Z"},{"alias_kind":"arxiv_version","alias_value":"2602.22919v2","created_at":"2026-06-09T01:05:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.22919","created_at":"2026-06-09T01:05:15Z"},{"alias_kind":"pith_short_12","alias_value":"MI7HGRLQJ5ZL","created_at":"2026-06-09T01:05:15Z"},{"alias_kind":"pith_short_16","alias_value":"MI7HGRLQJ5ZLOYXJ","created_at":"2026-06-09T01:05:15Z"},{"alias_kind":"pith_short_8","alias_value":"MI7HGRLQ","created_at":"2026-06-09T01:05:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:MI7HGRLQJ5ZLOYXJI6CJQPWFP3","target":"record","payload":{"canonical_record":{"source":{"id":"2602.22919","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-02-26T12:06:43Z","cross_cats_sorted":[],"title_canon_sha256":"51b130c3ed5f8e461f08a29a8654c35ed77619d14c31088ce452c1758deb1683","abstract_canon_sha256":"e9d421822dabc60c3e2ea93cf46181677623f153a48ead92154826eec1802a48"},"schema_version":"1.0"},"canonical_sha256":"623e7345704f72b762e94784983ec57ee3f6d27d7d89bb2cc480b57d1727af29","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T01:05:15.150905Z","signature_b64":"1ItR4xrc6Hlw+ULCLzPkC/JoMfLIUBcE6VY1ctSfIF21dEUarG/0VffOs9LvdouAM84qXOoyKHfdWQmJPxUwBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"623e7345704f72b762e94784983ec57ee3f6d27d7d89bb2cc480b57d1727af29","last_reissued_at":"2026-06-09T01:05:15.150440Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T01:05:15.150440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2602.22919","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-09T01:05:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5HWK8mEHshAx24vEHdyi0KyZFx6ChhWSDDNI8sLEIUherHYzf8sUzrdzJzxfCyPM+DNLLE6oApLcPUU8Za/HBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T21:33:54.654376Z"},"content_sha256":"8959bcdba1e014fb0fbe8346f531cc509345050860779f07e2b605ee721f0cba","schema_version":"1.0","event_id":"sha256:8959bcdba1e014fb0fbe8346f531cc509345050860779f07e2b605ee721f0cba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:MI7HGRLQJ5ZLOYXJI6CJQPWFP3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chain of Flow: ECG-Conditioned 4D Cardiac Cine Generation from Patient-Specific Anatomical Anchor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Haofan Wu, Joao A. C. Lima, Le Zhang, Nay Aung, Steffen E. Petersen, Theodoros N. Arvanitis","submitted_at":"2026-02-26T12:06:43Z","abstract_excerpt":"Cardiac cine magnetic resonance imaging (MRI) is central to functional cardiac assessment, yet a full current cine sequence may not always be directly available at the point of analysis. We introduce Chain of Flow (COF), an electrocardiography (ECG)-conditioned framework that combines patient-specific MRI and current ECG for subject-specific 4D cardiac cine generation. On the UK Biobank dataset, COF achieves strong image-level fidelity and downstream function-oriented performance on a shared same-visit evaluable benchmark. Multi-slice and multi-resolution analyses indicate stable structural ge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.22919","kind":"arxiv","version":2},"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/2602.22919/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":"2026-06-09T01:05:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aEFa/eEvtzCXisAcEv7Leb6LN4ao3rccgen9tTM3brzatCdt8Km2N0qTkhw5eBuVQC+BakN4cM5B0zCheToyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T21:33:54.654772Z"},"content_sha256":"47dc787d745afefcb716b23fad6f1737f1c85d51f4b6e82a1f8b94d6a93f78f9","schema_version":"1.0","event_id":"sha256:47dc787d745afefcb716b23fad6f1737f1c85d51f4b6e82a1f8b94d6a93f78f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MI7HGRLQJ5ZLOYXJI6CJQPWFP3/bundle.json","state_url":"https://pith.science/pith/MI7HGRLQJ5ZLOYXJI6CJQPWFP3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MI7HGRLQJ5ZLOYXJI6CJQPWFP3/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":"2026-06-22T21:33:54Z","links":{"resolver":"https://pith.science/pith/MI7HGRLQJ5ZLOYXJI6CJQPWFP3","bundle":"https://pith.science/pith/MI7HGRLQJ5ZLOYXJI6CJQPWFP3/bundle.json","state":"https://pith.science/pith/MI7HGRLQJ5ZLOYXJI6CJQPWFP3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MI7HGRLQJ5ZLOYXJI6CJQPWFP3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:MI7HGRLQJ5ZLOYXJI6CJQPWFP3","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":"e9d421822dabc60c3e2ea93cf46181677623f153a48ead92154826eec1802a48","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-02-26T12:06:43Z","title_canon_sha256":"51b130c3ed5f8e461f08a29a8654c35ed77619d14c31088ce452c1758deb1683"},"schema_version":"1.0","source":{"id":"2602.22919","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.22919","created_at":"2026-06-09T01:05:15Z"},{"alias_kind":"arxiv_version","alias_value":"2602.22919v2","created_at":"2026-06-09T01:05:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.22919","created_at":"2026-06-09T01:05:15Z"},{"alias_kind":"pith_short_12","alias_value":"MI7HGRLQJ5ZL","created_at":"2026-06-09T01:05:15Z"},{"alias_kind":"pith_short_16","alias_value":"MI7HGRLQJ5ZLOYXJ","created_at":"2026-06-09T01:05:15Z"},{"alias_kind":"pith_short_8","alias_value":"MI7HGRLQ","created_at":"2026-06-09T01:05:15Z"}],"graph_snapshots":[{"event_id":"sha256:47dc787d745afefcb716b23fad6f1737f1c85d51f4b6e82a1f8b94d6a93f78f9","target":"graph","created_at":"2026-06-09T01:05:15Z","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/2602.22919/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cardiac cine magnetic resonance imaging (MRI) is central to functional cardiac assessment, yet a full current cine sequence may not always be directly available at the point of analysis. We introduce Chain of Flow (COF), an electrocardiography (ECG)-conditioned framework that combines patient-specific MRI and current ECG for subject-specific 4D cardiac cine generation. On the UK Biobank dataset, COF achieves strong image-level fidelity and downstream function-oriented performance on a shared same-visit evaluable benchmark. Multi-slice and multi-resolution analyses indicate stable structural ge","authors_text":"Haofan Wu, Joao A. C. Lima, Le Zhang, Nay Aung, Steffen E. Petersen, Theodoros N. Arvanitis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-02-26T12:06:43Z","title":"Chain of Flow: ECG-Conditioned 4D Cardiac Cine Generation from Patient-Specific Anatomical Anchor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.22919","kind":"arxiv","version":2},"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":"sha256:8959bcdba1e014fb0fbe8346f531cc509345050860779f07e2b605ee721f0cba","target":"record","created_at":"2026-06-09T01:05:15Z","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":"e9d421822dabc60c3e2ea93cf46181677623f153a48ead92154826eec1802a48","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-02-26T12:06:43Z","title_canon_sha256":"51b130c3ed5f8e461f08a29a8654c35ed77619d14c31088ce452c1758deb1683"},"schema_version":"1.0","source":{"id":"2602.22919","kind":"arxiv","version":2}},"canonical_sha256":"623e7345704f72b762e94784983ec57ee3f6d27d7d89bb2cc480b57d1727af29","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"623e7345704f72b762e94784983ec57ee3f6d27d7d89bb2cc480b57d1727af29","first_computed_at":"2026-06-09T01:05:15.150440Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T01:05:15.150440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1ItR4xrc6Hlw+ULCLzPkC/JoMfLIUBcE6VY1ctSfIF21dEUarG/0VffOs9LvdouAM84qXOoyKHfdWQmJPxUwBw==","signature_status":"signed_v1","signed_at":"2026-06-09T01:05:15.150905Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.22919","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8959bcdba1e014fb0fbe8346f531cc509345050860779f07e2b605ee721f0cba","sha256:47dc787d745afefcb716b23fad6f1737f1c85d51f4b6e82a1f8b94d6a93f78f9"],"state_sha256":"30dcd5c2e95ab12456336004718c13c88c95ed76e53f383df398a60345503a05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M+JqHs3HAUtuvPJABe4NIgD2Q4/bsSwLWO23LXOFOlmGOELBHrKIrmKvPYT+kMR7RqLgMqcrrk44ZlJWvSKQCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T21:33:54.656794Z","bundle_sha256":"fb21b0b41d1d7123cf4f3943cfa655c3caccdc56c876b63d394ecdf2deac77d6"}}