{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QJCDGHF3IXF4SNUAHZGUSDHW7O","short_pith_number":"pith:QJCDGHF3","canonical_record":{"source":{"id":"1904.04615","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-04-09T12:04:12Z","cross_cats_sorted":[],"title_canon_sha256":"b76fdd324326de1f3ee994b1fe51b45b0fffd4c95ad268271e554c892dc0d6f9","abstract_canon_sha256":"43f58829ba37d56112accbde7e8080b128c9c826b93b4c4a565cd69bef0f0075"},"schema_version":"1.0"},"canonical_sha256":"8244331cbb45cbc936803e4d490cf6fba99e61320c13f027a6ac49ceba7c83b0","source":{"kind":"arxiv","id":"1904.04615","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.04615","created_at":"2026-05-17T23:48:58Z"},{"alias_kind":"arxiv_version","alias_value":"1904.04615v1","created_at":"2026-05-17T23:48:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.04615","created_at":"2026-05-17T23:48:58Z"},{"alias_kind":"pith_short_12","alias_value":"QJCDGHF3IXF4","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QJCDGHF3IXF4SNUA","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QJCDGHF3","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QJCDGHF3IXF4SNUAHZGUSDHW7O","target":"record","payload":{"canonical_record":{"source":{"id":"1904.04615","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-04-09T12:04:12Z","cross_cats_sorted":[],"title_canon_sha256":"b76fdd324326de1f3ee994b1fe51b45b0fffd4c95ad268271e554c892dc0d6f9","abstract_canon_sha256":"43f58829ba37d56112accbde7e8080b128c9c826b93b4c4a565cd69bef0f0075"},"schema_version":"1.0"},"canonical_sha256":"8244331cbb45cbc936803e4d490cf6fba99e61320c13f027a6ac49ceba7c83b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:58.595193Z","signature_b64":"mWWusWoB2pAVMZDbiRBH/hf+9KsY/Gy7bkoL8BZ5bYn/l1tcsR6tJe2DnwYhZbzbBAztStlvP3HIxN0lwyJZDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8244331cbb45cbc936803e4d490cf6fba99e61320c13f027a6ac49ceba7c83b0","last_reissued_at":"2026-05-17T23:48:58.594823Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:58.594823Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.04615","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":"2026-05-17T23:48:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qu2OLVcfyMWCc2HWJh1ppjaroiB+awYT99RtS3q1T6YmdyjfLQCv93ZDm+gmsuRp9UZQ8s3AKFIz8sO7SpRTDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T17:48:24.925266Z"},"content_sha256":"73d608d52d7d1d256c62701caadf682a9838435427ef12b2be27d5a501435d0f","schema_version":"1.0","event_id":"sha256:73d608d52d7d1d256c62701caadf682a9838435427ef12b2be27d5a501435d0f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QJCDGHF3IXF4SNUAHZGUSDHW7O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient Reconstruction of Free Breathing Under-Sampled Cardiac Cine MRI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.IV","authors_text":"Abdul Haseeb Ahmed, Hammad Omer, Ijaz M. Qureshi, Jawad Ali Shah","submitted_at":"2019-04-09T12:04:12Z","abstract_excerpt":"Respiratory motion can cause strong blurring artifacts in the reconstructed image during MR acquisition. These artifacts become more prominent when use in the presence of undersampled data. Recently, compressed sensing (CS) is developed as an MR reconstruction technique, to recover good quality images from the compressive k-space samples. To maximize the benefits of CS in free breathing data, it is understandable to use CS with the motion corrected images. In this paper, we have developed a new CS based motion corrected image reconstruction technique. In this two-stage technique, we use simila"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.04615","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":""},"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":"2026-05-17T23:48:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6m3XXS2Ah+DWOlzdNyrA9nLwq5YSKEInjVqtX/j3ChZrOiulC133ap+FlyMWGCMkj/ICCpfkeo3nwIf2D/GWBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T17:48:24.925625Z"},"content_sha256":"484dac1b046d67e8e7be301548ef0711edc3d073b6e3fda234c932a20173980a","schema_version":"1.0","event_id":"sha256:484dac1b046d67e8e7be301548ef0711edc3d073b6e3fda234c932a20173980a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QJCDGHF3IXF4SNUAHZGUSDHW7O/bundle.json","state_url":"https://pith.science/pith/QJCDGHF3IXF4SNUAHZGUSDHW7O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QJCDGHF3IXF4SNUAHZGUSDHW7O/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":"2026-06-28T17:48:24Z","links":{"resolver":"https://pith.science/pith/QJCDGHF3IXF4SNUAHZGUSDHW7O","bundle":"https://pith.science/pith/QJCDGHF3IXF4SNUAHZGUSDHW7O/bundle.json","state":"https://pith.science/pith/QJCDGHF3IXF4SNUAHZGUSDHW7O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QJCDGHF3IXF4SNUAHZGUSDHW7O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QJCDGHF3IXF4SNUAHZGUSDHW7O","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":"43f58829ba37d56112accbde7e8080b128c9c826b93b4c4a565cd69bef0f0075","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-04-09T12:04:12Z","title_canon_sha256":"b76fdd324326de1f3ee994b1fe51b45b0fffd4c95ad268271e554c892dc0d6f9"},"schema_version":"1.0","source":{"id":"1904.04615","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.04615","created_at":"2026-05-17T23:48:58Z"},{"alias_kind":"arxiv_version","alias_value":"1904.04615v1","created_at":"2026-05-17T23:48:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.04615","created_at":"2026-05-17T23:48:58Z"},{"alias_kind":"pith_short_12","alias_value":"QJCDGHF3IXF4","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QJCDGHF3IXF4SNUA","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QJCDGHF3","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:484dac1b046d67e8e7be301548ef0711edc3d073b6e3fda234c932a20173980a","target":"graph","created_at":"2026-05-17T23:48:58Z","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"},"paper":{"abstract_excerpt":"Respiratory motion can cause strong blurring artifacts in the reconstructed image during MR acquisition. These artifacts become more prominent when use in the presence of undersampled data. Recently, compressed sensing (CS) is developed as an MR reconstruction technique, to recover good quality images from the compressive k-space samples. To maximize the benefits of CS in free breathing data, it is understandable to use CS with the motion corrected images. In this paper, we have developed a new CS based motion corrected image reconstruction technique. In this two-stage technique, we use simila","authors_text":"Abdul Haseeb Ahmed, Hammad Omer, Ijaz M. Qureshi, Jawad Ali Shah","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-04-09T12:04:12Z","title":"Efficient Reconstruction of Free Breathing Under-Sampled Cardiac Cine MRI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.04615","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":"sha256:73d608d52d7d1d256c62701caadf682a9838435427ef12b2be27d5a501435d0f","target":"record","created_at":"2026-05-17T23:48:58Z","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":"43f58829ba37d56112accbde7e8080b128c9c826b93b4c4a565cd69bef0f0075","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-04-09T12:04:12Z","title_canon_sha256":"b76fdd324326de1f3ee994b1fe51b45b0fffd4c95ad268271e554c892dc0d6f9"},"schema_version":"1.0","source":{"id":"1904.04615","kind":"arxiv","version":1}},"canonical_sha256":"8244331cbb45cbc936803e4d490cf6fba99e61320c13f027a6ac49ceba7c83b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8244331cbb45cbc936803e4d490cf6fba99e61320c13f027a6ac49ceba7c83b0","first_computed_at":"2026-05-17T23:48:58.594823Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:58.594823Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mWWusWoB2pAVMZDbiRBH/hf+9KsY/Gy7bkoL8BZ5bYn/l1tcsR6tJe2DnwYhZbzbBAztStlvP3HIxN0lwyJZDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:58.595193Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.04615","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:73d608d52d7d1d256c62701caadf682a9838435427ef12b2be27d5a501435d0f","sha256:484dac1b046d67e8e7be301548ef0711edc3d073b6e3fda234c932a20173980a"],"state_sha256":"399abdf35fffae4b3288275b1c50545f5b2c2afcf511f3aecc64819627e94d3a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"phcM3AvUhL/H3Nd/Sazekk8Z1LyPxJ6GWE2V4ZPKsJ+H5f/STOYec66XnKJZa8a2yH2TBYcT/6gx1ePGJWj9Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T17:48:24.927551Z","bundle_sha256":"3f79d74ca9159592e30cc75ae891103d983deb80d956736a7bf2dd7499e8fa01"}}