{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:PJ3YFHD5HGJMJR5DPORVZ62DVK","short_pith_number":"pith:PJ3YFHD5","canonical_record":{"source":{"id":"2105.04532","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-05-10T17:36:27Z","cross_cats_sorted":["cs.CV","cs.LG","eess.SP","physics.med-ph"],"title_canon_sha256":"4f5ad7a7f8d5bc1d95d1ca0c133517826e83ffcac95238b287e286defc9f1c0b","abstract_canon_sha256":"04962b1b7f4ed4e24e470130381875988d31318d2842afccf58e5b14e64db779"},"schema_version":"1.0"},"canonical_sha256":"7a77829c7d3992c4c7a37ba35cfb43aa9c7faf7bc378ec66504fe7c88f624a27","source":{"kind":"arxiv","id":"2105.04532","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.04532","created_at":"2026-07-05T02:38:58Z"},{"alias_kind":"arxiv_version","alias_value":"2105.04532v1","created_at":"2026-07-05T02:38:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.04532","created_at":"2026-07-05T02:38:58Z"},{"alias_kind":"pith_short_12","alias_value":"PJ3YFHD5HGJM","created_at":"2026-07-05T02:38:58Z"},{"alias_kind":"pith_short_16","alias_value":"PJ3YFHD5HGJMJR5D","created_at":"2026-07-05T02:38:58Z"},{"alias_kind":"pith_short_8","alias_value":"PJ3YFHD5","created_at":"2026-07-05T02:38:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:PJ3YFHD5HGJMJR5DPORVZ62DVK","target":"record","payload":{"canonical_record":{"source":{"id":"2105.04532","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-05-10T17:36:27Z","cross_cats_sorted":["cs.CV","cs.LG","eess.SP","physics.med-ph"],"title_canon_sha256":"4f5ad7a7f8d5bc1d95d1ca0c133517826e83ffcac95238b287e286defc9f1c0b","abstract_canon_sha256":"04962b1b7f4ed4e24e470130381875988d31318d2842afccf58e5b14e64db779"},"schema_version":"1.0"},"canonical_sha256":"7a77829c7d3992c4c7a37ba35cfb43aa9c7faf7bc378ec66504fe7c88f624a27","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:38:58.080934Z","signature_b64":"KiR1mfkHmiieDkZG9OCiNoMzKQGlg8dXDkaxJkVCCLMF2ZP8rMD2SqHBD7xppNIYKtn6FyaoRsf+7RFkQ7P5AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a77829c7d3992c4c7a37ba35cfb43aa9c7faf7bc378ec66504fe7c88f624a27","last_reissued_at":"2026-07-05T02:38:58.080529Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:38:58.080529Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.04532","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":"2026-07-05T02:38:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"euBNOF2Z0K3Ug/qgi2clcK17wPaW33yFcqI+e0Ia3qcPVHxZGdxbTgLXafHOZb1HYf0NPB+vO4oXCL4SKZlHCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T10:36:15.327081Z"},"content_sha256":"8f1001596b08b158b64033c1b731e902f431ea85cc1813035fa81029a8820b2c","schema_version":"1.0","event_id":"sha256:8f1001596b08b158b64033c1b731e902f431ea85cc1813035fa81029a8820b2c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:PJ3YFHD5HGJMJR5DPORVZ62DVK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improved Simultaneous Multi-Slice Functional MRI Using Self-supervised Deep Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV","cs.LG","eess.SP","physics.med-ph"],"primary_cat":"eess.IV","authors_text":"Burhaneddin Yaman, Cheryl A. Olman, Essa Yacoub, John Strupp, K\\^amil U\\u{g}urbil, Logan Dowdle, Luca Vizioli, Mehmet Ak\\c{c}akaya, Omer Burak Demirel, Steen Moeller","submitted_at":"2021-05-10T17:36:27Z","abstract_excerpt":"Functional MRI (fMRI) is commonly used for interpreting neural activities across the brain. Numerous accelerated fMRI techniques aim to provide improved spatiotemporal resolutions. Among these, simultaneous multi-slice (SMS) imaging has emerged as a powerful strategy, becoming a part of large-scale studies, such as the Human Connectome Project. However, when SMS imaging is combined with in-plane acceleration for higher acceleration rates, conventional SMS reconstruction methods may suffer from noise amplification and other artifacts. Recently, deep learning (DL) techniques have gained interest"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.04532","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/2105.04532/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":"2026-07-05T02:38:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OZVGSROBb1Just3TxXh4YlP9/282L5kEmfwBOjmIPIWqRwwYRM0Ssxu4PkVzHXeRkPQtZbOYXEyC5Tr0vL/jBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T10:36:15.327622Z"},"content_sha256":"59c3ab316c89b8cce8cc6195d06be69d5c83fe115ae73d476e51bd3f69b3ea4e","schema_version":"1.0","event_id":"sha256:59c3ab316c89b8cce8cc6195d06be69d5c83fe115ae73d476e51bd3f69b3ea4e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PJ3YFHD5HGJMJR5DPORVZ62DVK/bundle.json","state_url":"https://pith.science/pith/PJ3YFHD5HGJMJR5DPORVZ62DVK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PJ3YFHD5HGJMJR5DPORVZ62DVK/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":"2026-07-05T10:36:15Z","links":{"resolver":"https://pith.science/pith/PJ3YFHD5HGJMJR5DPORVZ62DVK","bundle":"https://pith.science/pith/PJ3YFHD5HGJMJR5DPORVZ62DVK/bundle.json","state":"https://pith.science/pith/PJ3YFHD5HGJMJR5DPORVZ62DVK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PJ3YFHD5HGJMJR5DPORVZ62DVK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:PJ3YFHD5HGJMJR5DPORVZ62DVK","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":"04962b1b7f4ed4e24e470130381875988d31318d2842afccf58e5b14e64db779","cross_cats_sorted":["cs.CV","cs.LG","eess.SP","physics.med-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-05-10T17:36:27Z","title_canon_sha256":"4f5ad7a7f8d5bc1d95d1ca0c133517826e83ffcac95238b287e286defc9f1c0b"},"schema_version":"1.0","source":{"id":"2105.04532","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.04532","created_at":"2026-07-05T02:38:58Z"},{"alias_kind":"arxiv_version","alias_value":"2105.04532v1","created_at":"2026-07-05T02:38:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.04532","created_at":"2026-07-05T02:38:58Z"},{"alias_kind":"pith_short_12","alias_value":"PJ3YFHD5HGJM","created_at":"2026-07-05T02:38:58Z"},{"alias_kind":"pith_short_16","alias_value":"PJ3YFHD5HGJMJR5D","created_at":"2026-07-05T02:38:58Z"},{"alias_kind":"pith_short_8","alias_value":"PJ3YFHD5","created_at":"2026-07-05T02:38:58Z"}],"graph_snapshots":[{"event_id":"sha256:59c3ab316c89b8cce8cc6195d06be69d5c83fe115ae73d476e51bd3f69b3ea4e","target":"graph","created_at":"2026-07-05T02:38:58Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2105.04532/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Functional MRI (fMRI) is commonly used for interpreting neural activities across the brain. Numerous accelerated fMRI techniques aim to provide improved spatiotemporal resolutions. Among these, simultaneous multi-slice (SMS) imaging has emerged as a powerful strategy, becoming a part of large-scale studies, such as the Human Connectome Project. However, when SMS imaging is combined with in-plane acceleration for higher acceleration rates, conventional SMS reconstruction methods may suffer from noise amplification and other artifacts. Recently, deep learning (DL) techniques have gained interest","authors_text":"Burhaneddin Yaman, Cheryl A. Olman, Essa Yacoub, John Strupp, K\\^amil U\\u{g}urbil, Logan Dowdle, Luca Vizioli, Mehmet Ak\\c{c}akaya, Omer Burak Demirel, Steen Moeller","cross_cats":["cs.CV","cs.LG","eess.SP","physics.med-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-05-10T17:36:27Z","title":"Improved Simultaneous Multi-Slice Functional MRI Using Self-supervised Deep Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.04532","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":"sha256:8f1001596b08b158b64033c1b731e902f431ea85cc1813035fa81029a8820b2c","target":"record","created_at":"2026-07-05T02:38:58Z","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":"04962b1b7f4ed4e24e470130381875988d31318d2842afccf58e5b14e64db779","cross_cats_sorted":["cs.CV","cs.LG","eess.SP","physics.med-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-05-10T17:36:27Z","title_canon_sha256":"4f5ad7a7f8d5bc1d95d1ca0c133517826e83ffcac95238b287e286defc9f1c0b"},"schema_version":"1.0","source":{"id":"2105.04532","kind":"arxiv","version":1}},"canonical_sha256":"7a77829c7d3992c4c7a37ba35cfb43aa9c7faf7bc378ec66504fe7c88f624a27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a77829c7d3992c4c7a37ba35cfb43aa9c7faf7bc378ec66504fe7c88f624a27","first_computed_at":"2026-07-05T02:38:58.080529Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:38:58.080529Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KiR1mfkHmiieDkZG9OCiNoMzKQGlg8dXDkaxJkVCCLMF2ZP8rMD2SqHBD7xppNIYKtn6FyaoRsf+7RFkQ7P5AA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:38:58.080934Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.04532","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f1001596b08b158b64033c1b731e902f431ea85cc1813035fa81029a8820b2c","sha256:59c3ab316c89b8cce8cc6195d06be69d5c83fe115ae73d476e51bd3f69b3ea4e"],"state_sha256":"5a1205ff0db5c5c8e3098b91272f372f7693abcc9bb79abf80304ada9db1905f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5KwAucvbYa6sdDcE5xow5iDdGzghADHiMdw/S6+t2ACnpa5D8QxWbeWLnZAfVIhdlPPS6sBuFQb1gveYrOfrDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T10:36:15.330832Z","bundle_sha256":"e5bcd2aa9e5ab34f70be3bd9bfe3ed764dbdde0c0247181ebd3ae2da946c19fa"}}