{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:DYOTYH242KU7ONCGSWBBKGWOGZ","short_pith_number":"pith:DYOTYH24","canonical_record":{"source":{"id":"2410.04843","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2024-10-07T09:00:55Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"fc4f061e14853806428235571478535a34f8d9c414845bab4d36a1899b9a59c6","abstract_canon_sha256":"4b50a8d81fc17e4adda3c44df3f4890c8f877311d2659f98f7e753ccc82b7269"},"schema_version":"1.0"},"canonical_sha256":"1e1d3c1f5cd2a9f734469582151ace366be0740f79acdc3473f1f35e53792cc7","source":{"kind":"arxiv","id":"2410.04843","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.04843","created_at":"2026-07-05T09:16:56Z"},{"alias_kind":"arxiv_version","alias_value":"2410.04843v1","created_at":"2026-07-05T09:16:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.04843","created_at":"2026-07-05T09:16:56Z"},{"alias_kind":"pith_short_12","alias_value":"DYOTYH242KU7","created_at":"2026-07-05T09:16:56Z"},{"alias_kind":"pith_short_16","alias_value":"DYOTYH242KU7ONCG","created_at":"2026-07-05T09:16:56Z"},{"alias_kind":"pith_short_8","alias_value":"DYOTYH24","created_at":"2026-07-05T09:16:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:DYOTYH242KU7ONCGSWBBKGWOGZ","target":"record","payload":{"canonical_record":{"source":{"id":"2410.04843","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2024-10-07T09:00:55Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"fc4f061e14853806428235571478535a34f8d9c414845bab4d36a1899b9a59c6","abstract_canon_sha256":"4b50a8d81fc17e4adda3c44df3f4890c8f877311d2659f98f7e753ccc82b7269"},"schema_version":"1.0"},"canonical_sha256":"1e1d3c1f5cd2a9f734469582151ace366be0740f79acdc3473f1f35e53792cc7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:16:56.882568Z","signature_b64":"4pChg4EYwi9CkSrSBzVYCz/f7koOlJSTnzfdZXxnlHLiVOlPhFvWIcD3erWDg5+2xkaWW+eqg1JDsjVuE3bTDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e1d3c1f5cd2a9f734469582151ace366be0740f79acdc3473f1f35e53792cc7","last_reissued_at":"2026-07-05T09:16:56.882083Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:16:56.882083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.04843","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":"2026-07-05T09:16:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vYk87yzWzSw1q8bPUjD2ewMGyarUloJZbSUMSFr3pmX0q5Q3rp8OkZvZvlv+BS62BdcOQw2mM1YNdbvrMF/WCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:57:43.235736Z"},"content_sha256":"a254b2b2d2aacd38b6cea769e96a086bf1a3843f97707bffca7198154579cb44","schema_version":"1.0","event_id":"sha256:a254b2b2d2aacd38b6cea769e96a086bf1a3843f97707bffca7198154579cb44"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:DYOTYH242KU7ONCGSWBBKGWOGZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Real-time cardiac cine MRI -- A comparison of a diffusion probabilistic model with alternative state-of-the-art image reconstruction techniques for undersampled spiral acquisitions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"physics.med-ph","authors_text":"Bernhard Petritsch, Jonas Kleineisel, Julius Frederik Heidenreich, Nils-Christian Petri, Oliver Schad, Peter Nordbeck, Simon Sauer, Thorsten Bley, Tobias Wech","submitted_at":"2024-10-07T09:00:55Z","abstract_excerpt":"ECG-gated cine imaging in breath-hold enables high-quality diagnostics in most patients, arrhythmia and inability to hold breath, however, can severely corrupt outcomes. Real-time cardiac MRI in free-breathing leverages robust and faster investigations regardless of these confounding factors. With the need for sufficient acceleration, adequate reconstruction methods, which transfer data into high quality images, are required. Undersampled spiral real-time acquisitions in free-breathing were conducted in a study with 16 healthy volunteers and 5 patients. Image reconstructions were performed usi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.04843","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/2410.04843/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":"2026-07-05T09:16:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tJpEIU5kagxQnOAqVdsC1w+rbFpnxFN8VSp2UH4cEa4wDR43k7BsJSbeoUaOfc7hbT0wsav30bk+3Tg7WZEdDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:57:43.236123Z"},"content_sha256":"38305718f046df4080e4627f4509814e8d514831493bc02e84e9641421c518c3","schema_version":"1.0","event_id":"sha256:38305718f046df4080e4627f4509814e8d514831493bc02e84e9641421c518c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DYOTYH242KU7ONCGSWBBKGWOGZ/bundle.json","state_url":"https://pith.science/pith/DYOTYH242KU7ONCGSWBBKGWOGZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DYOTYH242KU7ONCGSWBBKGWOGZ/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":"2026-07-07T07:57:43Z","links":{"resolver":"https://pith.science/pith/DYOTYH242KU7ONCGSWBBKGWOGZ","bundle":"https://pith.science/pith/DYOTYH242KU7ONCGSWBBKGWOGZ/bundle.json","state":"https://pith.science/pith/DYOTYH242KU7ONCGSWBBKGWOGZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DYOTYH242KU7ONCGSWBBKGWOGZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DYOTYH242KU7ONCGSWBBKGWOGZ","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":"4b50a8d81fc17e4adda3c44df3f4890c8f877311d2659f98f7e753ccc82b7269","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2024-10-07T09:00:55Z","title_canon_sha256":"fc4f061e14853806428235571478535a34f8d9c414845bab4d36a1899b9a59c6"},"schema_version":"1.0","source":{"id":"2410.04843","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.04843","created_at":"2026-07-05T09:16:56Z"},{"alias_kind":"arxiv_version","alias_value":"2410.04843v1","created_at":"2026-07-05T09:16:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.04843","created_at":"2026-07-05T09:16:56Z"},{"alias_kind":"pith_short_12","alias_value":"DYOTYH242KU7","created_at":"2026-07-05T09:16:56Z"},{"alias_kind":"pith_short_16","alias_value":"DYOTYH242KU7ONCG","created_at":"2026-07-05T09:16:56Z"},{"alias_kind":"pith_short_8","alias_value":"DYOTYH24","created_at":"2026-07-05T09:16:56Z"}],"graph_snapshots":[{"event_id":"sha256:38305718f046df4080e4627f4509814e8d514831493bc02e84e9641421c518c3","target":"graph","created_at":"2026-07-05T09:16:56Z","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/2410.04843/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"ECG-gated cine imaging in breath-hold enables high-quality diagnostics in most patients, arrhythmia and inability to hold breath, however, can severely corrupt outcomes. Real-time cardiac MRI in free-breathing leverages robust and faster investigations regardless of these confounding factors. With the need for sufficient acceleration, adequate reconstruction methods, which transfer data into high quality images, are required. Undersampled spiral real-time acquisitions in free-breathing were conducted in a study with 16 healthy volunteers and 5 patients. Image reconstructions were performed usi","authors_text":"Bernhard Petritsch, Jonas Kleineisel, Julius Frederik Heidenreich, Nils-Christian Petri, Oliver Schad, Peter Nordbeck, Simon Sauer, Thorsten Bley, Tobias Wech","cross_cats":["eess.IV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2024-10-07T09:00:55Z","title":"Real-time cardiac cine MRI -- A comparison of a diffusion probabilistic model with alternative state-of-the-art image reconstruction techniques for undersampled spiral acquisitions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.04843","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:a254b2b2d2aacd38b6cea769e96a086bf1a3843f97707bffca7198154579cb44","target":"record","created_at":"2026-07-05T09:16:56Z","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":"4b50a8d81fc17e4adda3c44df3f4890c8f877311d2659f98f7e753ccc82b7269","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2024-10-07T09:00:55Z","title_canon_sha256":"fc4f061e14853806428235571478535a34f8d9c414845bab4d36a1899b9a59c6"},"schema_version":"1.0","source":{"id":"2410.04843","kind":"arxiv","version":1}},"canonical_sha256":"1e1d3c1f5cd2a9f734469582151ace366be0740f79acdc3473f1f35e53792cc7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1e1d3c1f5cd2a9f734469582151ace366be0740f79acdc3473f1f35e53792cc7","first_computed_at":"2026-07-05T09:16:56.882083Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:16:56.882083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4pChg4EYwi9CkSrSBzVYCz/f7koOlJSTnzfdZXxnlHLiVOlPhFvWIcD3erWDg5+2xkaWW+eqg1JDsjVuE3bTDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:16:56.882568Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.04843","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a254b2b2d2aacd38b6cea769e96a086bf1a3843f97707bffca7198154579cb44","sha256:38305718f046df4080e4627f4509814e8d514831493bc02e84e9641421c518c3"],"state_sha256":"dab246306ec68123a71c88804055a682991339d1d4fc09f7bff5bb8417eae834"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mUHn54OO6ccCZB4YKCxHwfeS7Iuh6h+isCwv83/pKSMO2Vz3uwRpnA0agC8Z1xf9EMhaAcQLtXLgohUsi1gEBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T07:57:43.238146Z","bundle_sha256":"d778f99e1c550256c8dc4d9000bc5f52c58fd0413e8fd8bc0005316ff8cac239"}}