{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GMQ4LSYUSANM2BAOZHW6IXWQJB","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":"509fc1acd426a1b449658e7bd5e66634c5e92ae9cc12a2511fe4952a713e070d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2019-04-22T05:57:27Z","title_canon_sha256":"728666b41f9061ae397920e0ad746960b1ece26ff43d581863e4144d7a122615"},"schema_version":"1.0","source":{"id":"1904.09732","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.09732","created_at":"2026-07-05T00:16:19Z"},{"alias_kind":"arxiv_version","alias_value":"1904.09732v1","created_at":"2026-07-05T00:16:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.09732","created_at":"2026-07-05T00:16:19Z"},{"alias_kind":"pith_short_12","alias_value":"GMQ4LSYUSANM","created_at":"2026-07-05T00:16:19Z"},{"alias_kind":"pith_short_16","alias_value":"GMQ4LSYUSANM2BAO","created_at":"2026-07-05T00:16:19Z"},{"alias_kind":"pith_short_8","alias_value":"GMQ4LSYU","created_at":"2026-07-05T00:16:19Z"}],"graph_snapshots":[{"event_id":"sha256:e7b6551868cdd932cd178bd6e668e100b0a9ba7f6e1351e1d298e78b3bbeea81","target":"graph","created_at":"2026-07-05T00:16:19Z","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/1904.09732/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Purpose: To understand the influence of various acquisition parameters on the ability of CEST MR-Fingerprinting (MRF) to discriminate different chemical exchange parameters and to provide tools for optimal acquisition schedule design and parameter map reconstruction. Methods: Numerical simulations were conducted using a parallel-computing implementation of the Bloch-McConnell equations, examining the effect of TR, TE, flip-angle, water T$_{1}$ and T$_{2}$, saturation-pulse duration, power, and frequency on the discrimination ability of CEST-MRF. A modified Euclidean-distance matching metric wa","authors_text":"Christian T. Farrar, Kai Herz, Matthew S. Rosen, Moritz Zaiss, Or Perlman, Ouri Cohen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2019-04-22T05:57:27Z","title":"CEST MR-Fingerprinting: practical considerations and insights for acquisition schedule design and improved reconstruction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.09732","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:ec2b0e4631c04cc9b5863af33ee57708c35d65bb9c45cef67a73c5617de1cc4d","target":"record","created_at":"2026-07-05T00:16:19Z","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":"509fc1acd426a1b449658e7bd5e66634c5e92ae9cc12a2511fe4952a713e070d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2019-04-22T05:57:27Z","title_canon_sha256":"728666b41f9061ae397920e0ad746960b1ece26ff43d581863e4144d7a122615"},"schema_version":"1.0","source":{"id":"1904.09732","kind":"arxiv","version":1}},"canonical_sha256":"3321c5cb14901acd040ec9ede45ed04875693bb30117b51bb9f988cda5fd3eca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3321c5cb14901acd040ec9ede45ed04875693bb30117b51bb9f988cda5fd3eca","first_computed_at":"2026-07-05T00:16:19.957185Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:16:19.957185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xB6wBH4zriMPDelxZEMG2Q/G2hdDsGLvQ7qvsYOnfid/T90Wxe2S6eKH6lYb+n/6TYgaTV1LrEZUDF31bLmJBg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:16:19.957702Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.09732","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec2b0e4631c04cc9b5863af33ee57708c35d65bb9c45cef67a73c5617de1cc4d","sha256:e7b6551868cdd932cd178bd6e668e100b0a9ba7f6e1351e1d298e78b3bbeea81"],"state_sha256":"70a91a0acfda6363ce03726b5a247a5bc7c725ba852f9745f73d1ddfc0f60fca"}