{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:UL44EUV5752NIRSJ7OTLCSUOTT","short_pith_number":"pith:UL44EUV5","canonical_record":{"source":{"id":"2406.18950","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-06-27T07:30:54Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"f44af332a59c7adbc8ac7b6c4168089477a714c2334dd4ec08e91fb560cb5edf","abstract_canon_sha256":"0a69718ec26c0a478c3e08837406ca76f29584226d6e1e27509c51003ae2c27b"},"schema_version":"1.0"},"canonical_sha256":"a2f9c252bdff74d44649fba6b14a8e9cc85c68df48e555a35f5a37d7742efb92","source":{"kind":"arxiv","id":"2406.18950","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.18950","created_at":"2026-07-05T08:41:04Z"},{"alias_kind":"arxiv_version","alias_value":"2406.18950v2","created_at":"2026-07-05T08:41:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.18950","created_at":"2026-07-05T08:41:04Z"},{"alias_kind":"pith_short_12","alias_value":"UL44EUV5752N","created_at":"2026-07-05T08:41:04Z"},{"alias_kind":"pith_short_16","alias_value":"UL44EUV5752NIRSJ","created_at":"2026-07-05T08:41:04Z"},{"alias_kind":"pith_short_8","alias_value":"UL44EUV5","created_at":"2026-07-05T08:41:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:UL44EUV5752NIRSJ7OTLCSUOTT","target":"record","payload":{"canonical_record":{"source":{"id":"2406.18950","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-06-27T07:30:54Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"f44af332a59c7adbc8ac7b6c4168089477a714c2334dd4ec08e91fb560cb5edf","abstract_canon_sha256":"0a69718ec26c0a478c3e08837406ca76f29584226d6e1e27509c51003ae2c27b"},"schema_version":"1.0"},"canonical_sha256":"a2f9c252bdff74d44649fba6b14a8e9cc85c68df48e555a35f5a37d7742efb92","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:41:04.774654Z","signature_b64":"VqI4ZUaCLPpXO7Pg3wNZXg6pq7nyRu8Pp33N4Keq+kIMqMp2DMNWUD4PbCBvgykwQRlIeFMPlkaXzMpiuFhQDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2f9c252bdff74d44649fba6b14a8e9cc85c68df48e555a35f5a37d7742efb92","last_reissued_at":"2026-07-05T08:41:04.774172Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:41:04.774172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.18950","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":"2026-07-05T08:41:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TvpBfH+TfsC2mu4M6jnI+TaqVzcSRHJru38W1+BQrzZCKg9LVvhYO+3KOqk4gw7eL/z3ei1Iu1flbZ0+YR7RBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T06:15:58.081765Z"},"content_sha256":"e1ec54cea80154d54e018896100d41fd1fe06677d06dc39babbe37519b20527d","schema_version":"1.0","event_id":"sha256:e1ec54cea80154d54e018896100d41fd1fe06677d06dc39babbe37519b20527d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:UL44EUV5752NIRSJ7OTLCSUOTT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MMR-Mamba: Multi-Modal MRI Reconstruction with Mamba and Spatial-Frequency Information Fusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Jing Qin, Jing Zou, Lanqing Liu, Qi Chen, Shujun Wang, Xiaohan Xing, Zhanli Hu","submitted_at":"2024-06-27T07:30:54Z","abstract_excerpt":"Multi-modal MRI offers valuable complementary information for diagnosis and treatment; however, its utility is limited by prolonged scanning times. To accelerate the acquisition process, a practical approach is to reconstruct images of the target modality, which requires longer scanning times, from under-sampled k-space data using the fully-sampled reference modality with shorter scanning times as guidance. The primary challenge of this task is comprehensively and efficiently integrating complementary information from different modalities to achieve high-quality reconstruction. Existing method"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.18950","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/2406.18950/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":"2026-07-05T08:41:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"be70MJzzsBPWLbYjqFLVWD4EWOT15BI/1PwwSpjNxd/YjMSGLFyckWO0zaeTPtGMEG+idIyoRf1Liz1enTQWDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T06:15:58.082689Z"},"content_sha256":"861d7759e36693751ec9bad5aef3f75e199d9de912a1e17f7e814307d3b570f5","schema_version":"1.0","event_id":"sha256:861d7759e36693751ec9bad5aef3f75e199d9de912a1e17f7e814307d3b570f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UL44EUV5752NIRSJ7OTLCSUOTT/bundle.json","state_url":"https://pith.science/pith/UL44EUV5752NIRSJ7OTLCSUOTT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UL44EUV5752NIRSJ7OTLCSUOTT/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":"2026-08-12T06:15:58Z","links":{"resolver":"https://pith.science/pith/UL44EUV5752NIRSJ7OTLCSUOTT","bundle":"https://pith.science/pith/UL44EUV5752NIRSJ7OTLCSUOTT/bundle.json","state":"https://pith.science/pith/UL44EUV5752NIRSJ7OTLCSUOTT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UL44EUV5752NIRSJ7OTLCSUOTT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:UL44EUV5752NIRSJ7OTLCSUOTT","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":"0a69718ec26c0a478c3e08837406ca76f29584226d6e1e27509c51003ae2c27b","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-06-27T07:30:54Z","title_canon_sha256":"f44af332a59c7adbc8ac7b6c4168089477a714c2334dd4ec08e91fb560cb5edf"},"schema_version":"1.0","source":{"id":"2406.18950","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.18950","created_at":"2026-07-05T08:41:04Z"},{"alias_kind":"arxiv_version","alias_value":"2406.18950v2","created_at":"2026-07-05T08:41:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.18950","created_at":"2026-07-05T08:41:04Z"},{"alias_kind":"pith_short_12","alias_value":"UL44EUV5752N","created_at":"2026-07-05T08:41:04Z"},{"alias_kind":"pith_short_16","alias_value":"UL44EUV5752NIRSJ","created_at":"2026-07-05T08:41:04Z"},{"alias_kind":"pith_short_8","alias_value":"UL44EUV5","created_at":"2026-07-05T08:41:04Z"}],"graph_snapshots":[{"event_id":"sha256:861d7759e36693751ec9bad5aef3f75e199d9de912a1e17f7e814307d3b570f5","target":"graph","created_at":"2026-07-05T08:41:04Z","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/2406.18950/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-modal MRI offers valuable complementary information for diagnosis and treatment; however, its utility is limited by prolonged scanning times. To accelerate the acquisition process, a practical approach is to reconstruct images of the target modality, which requires longer scanning times, from under-sampled k-space data using the fully-sampled reference modality with shorter scanning times as guidance. The primary challenge of this task is comprehensively and efficiently integrating complementary information from different modalities to achieve high-quality reconstruction. Existing method","authors_text":"Jing Qin, Jing Zou, Lanqing Liu, Qi Chen, Shujun Wang, Xiaohan Xing, Zhanli Hu","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-06-27T07:30:54Z","title":"MMR-Mamba: Multi-Modal MRI Reconstruction with Mamba and Spatial-Frequency Information Fusion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.18950","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:e1ec54cea80154d54e018896100d41fd1fe06677d06dc39babbe37519b20527d","target":"record","created_at":"2026-07-05T08:41:04Z","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":"0a69718ec26c0a478c3e08837406ca76f29584226d6e1e27509c51003ae2c27b","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-06-27T07:30:54Z","title_canon_sha256":"f44af332a59c7adbc8ac7b6c4168089477a714c2334dd4ec08e91fb560cb5edf"},"schema_version":"1.0","source":{"id":"2406.18950","kind":"arxiv","version":2}},"canonical_sha256":"a2f9c252bdff74d44649fba6b14a8e9cc85c68df48e555a35f5a37d7742efb92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2f9c252bdff74d44649fba6b14a8e9cc85c68df48e555a35f5a37d7742efb92","first_computed_at":"2026-07-05T08:41:04.774172Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:41:04.774172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VqI4ZUaCLPpXO7Pg3wNZXg6pq7nyRu8Pp33N4Keq+kIMqMp2DMNWUD4PbCBvgykwQRlIeFMPlkaXzMpiuFhQDg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:41:04.774654Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.18950","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1ec54cea80154d54e018896100d41fd1fe06677d06dc39babbe37519b20527d","sha256:861d7759e36693751ec9bad5aef3f75e199d9de912a1e17f7e814307d3b570f5"],"state_sha256":"ec89149ed8998be80c0b5e0104608ffe6a4d711235bff3ec8885ec5e600a6641"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MbyhFiPUG+Az393yG6CPyczy2qFsWxnDquT7Rprs8L9ryyjKwQl5RBGIi36SlPCX3t/13Ib5aw2Or6vYAKkxDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T06:15:58.088226Z","bundle_sha256":"893ddcb4fbda54edd3b7fc6ef48cdfcb0498c06d718c38a463e4b598ed540be0"}}