{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:O54NKRZRIVMLGXHOXFRZTGIDCT","short_pith_number":"pith:O54NKRZR","canonical_record":{"source":{"id":"2308.06762","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-08-13T12:51:15Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"67d00d05ccb5f4d511737290ada94f13eef64e131ea8a8ab7819f3dd427b8376","abstract_canon_sha256":"41cf68b4d5f3b99a0d59301d2326757cd3fbe2f1b4f00606d90ace20e6937294"},"schema_version":"1.0"},"canonical_sha256":"7778d547314558b35ceeb96399990314c409ae24fef1fac6cc9cbbef98568a71","source":{"kind":"arxiv","id":"2308.06762","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.06762","created_at":"2026-07-05T07:19:48Z"},{"alias_kind":"arxiv_version","alias_value":"2308.06762v2","created_at":"2026-07-05T07:19:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.06762","created_at":"2026-07-05T07:19:48Z"},{"alias_kind":"pith_short_12","alias_value":"O54NKRZRIVML","created_at":"2026-07-05T07:19:48Z"},{"alias_kind":"pith_short_16","alias_value":"O54NKRZRIVMLGXHO","created_at":"2026-07-05T07:19:48Z"},{"alias_kind":"pith_short_8","alias_value":"O54NKRZR","created_at":"2026-07-05T07:19:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:O54NKRZRIVMLGXHOXFRZTGIDCT","target":"record","payload":{"canonical_record":{"source":{"id":"2308.06762","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-08-13T12:51:15Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"67d00d05ccb5f4d511737290ada94f13eef64e131ea8a8ab7819f3dd427b8376","abstract_canon_sha256":"41cf68b4d5f3b99a0d59301d2326757cd3fbe2f1b4f00606d90ace20e6937294"},"schema_version":"1.0"},"canonical_sha256":"7778d547314558b35ceeb96399990314c409ae24fef1fac6cc9cbbef98568a71","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:19:48.132932Z","signature_b64":"4QhSBY2Wmsiq93R8lhiii6wx1SgC81oKxEmL6iWO9BdyjSHLGppFHGuFAWi4jSvoLCM6rRs7TMeXCx0wgZqmBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7778d547314558b35ceeb96399990314c409ae24fef1fac6cc9cbbef98568a71","last_reissued_at":"2026-07-05T07:19:48.132471Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:19:48.132471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.06762","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":"2026-07-05T07:19:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jHLInIIta9YIA0LNg654kuPthHWvn/OjhbTFO+2RiOrpCWhDo3J3zEg53fz3ZMk1K0ACaEgYQHR1Am3EbB2kBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:31:54.180060Z"},"content_sha256":"38031e3146f1ae0a2ba5ab6c5057a3d33ba9a98c334dc0efd12b42584f74df37","schema_version":"1.0","event_id":"sha256:38031e3146f1ae0a2ba5ab6c5057a3d33ba9a98c334dc0efd12b42584f74df37"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:O54NKRZRIVMLGXHOXFRZTGIDCT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tissue Segmentation of Thick-Slice Fetal Brain MR Scans with Guidance from High-Quality Isotropic Volumes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Dinggang Shen, Geng Chen, He Zhang, Shijie Huang, Xukun Zhang, Zhiming Cui","submitted_at":"2023-08-13T12:51:15Z","abstract_excerpt":"Accurate tissue segmentation of thick-slice fetal brain magnetic resonance (MR) scans is crucial for both reconstruction of isotropic brain MR volumes and the quantification of fetal brain development. However, this task is challenging due to the use of thick-slice scans in clinically-acquired fetal brain data. To address this issue, we propose to leverage high-quality isotropic fetal brain MR volumes (and also their corresponding annotations) as guidance for segmentation of thick-slice scans. Due to existence of significant domain gap between high-quality isotropic volume (i.e., source data) "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.06762","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/2308.06762/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":"2026-07-05T07:19:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WpnBOiuhKaYaQeAtdGEDSaJDXnM+EMZ8r7cqN+K/xi2TTXiVs3VYensc6bMyCDKaNM5DBkjI844qsMklT1mdAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:31:54.180710Z"},"content_sha256":"9ffa988354b5421d72bce639af07842daff6531c5070b1e404337645303f8c05","schema_version":"1.0","event_id":"sha256:9ffa988354b5421d72bce639af07842daff6531c5070b1e404337645303f8c05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O54NKRZRIVMLGXHOXFRZTGIDCT/bundle.json","state_url":"https://pith.science/pith/O54NKRZRIVMLGXHOXFRZTGIDCT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O54NKRZRIVMLGXHOXFRZTGIDCT/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":"2026-07-07T05:31:54Z","links":{"resolver":"https://pith.science/pith/O54NKRZRIVMLGXHOXFRZTGIDCT","bundle":"https://pith.science/pith/O54NKRZRIVMLGXHOXFRZTGIDCT/bundle.json","state":"https://pith.science/pith/O54NKRZRIVMLGXHOXFRZTGIDCT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O54NKRZRIVMLGXHOXFRZTGIDCT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:O54NKRZRIVMLGXHOXFRZTGIDCT","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":"41cf68b4d5f3b99a0d59301d2326757cd3fbe2f1b4f00606d90ace20e6937294","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-08-13T12:51:15Z","title_canon_sha256":"67d00d05ccb5f4d511737290ada94f13eef64e131ea8a8ab7819f3dd427b8376"},"schema_version":"1.0","source":{"id":"2308.06762","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.06762","created_at":"2026-07-05T07:19:48Z"},{"alias_kind":"arxiv_version","alias_value":"2308.06762v2","created_at":"2026-07-05T07:19:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.06762","created_at":"2026-07-05T07:19:48Z"},{"alias_kind":"pith_short_12","alias_value":"O54NKRZRIVML","created_at":"2026-07-05T07:19:48Z"},{"alias_kind":"pith_short_16","alias_value":"O54NKRZRIVMLGXHO","created_at":"2026-07-05T07:19:48Z"},{"alias_kind":"pith_short_8","alias_value":"O54NKRZR","created_at":"2026-07-05T07:19:48Z"}],"graph_snapshots":[{"event_id":"sha256:9ffa988354b5421d72bce639af07842daff6531c5070b1e404337645303f8c05","target":"graph","created_at":"2026-07-05T07:19:48Z","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/2308.06762/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Accurate tissue segmentation of thick-slice fetal brain magnetic resonance (MR) scans is crucial for both reconstruction of isotropic brain MR volumes and the quantification of fetal brain development. However, this task is challenging due to the use of thick-slice scans in clinically-acquired fetal brain data. To address this issue, we propose to leverage high-quality isotropic fetal brain MR volumes (and also their corresponding annotations) as guidance for segmentation of thick-slice scans. Due to existence of significant domain gap between high-quality isotropic volume (i.e., source data) ","authors_text":"Dinggang Shen, Geng Chen, He Zhang, Shijie Huang, Xukun Zhang, Zhiming Cui","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-08-13T12:51:15Z","title":"Tissue Segmentation of Thick-Slice Fetal Brain MR Scans with Guidance from High-Quality Isotropic Volumes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.06762","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":"sha256:38031e3146f1ae0a2ba5ab6c5057a3d33ba9a98c334dc0efd12b42584f74df37","target":"record","created_at":"2026-07-05T07:19:48Z","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":"41cf68b4d5f3b99a0d59301d2326757cd3fbe2f1b4f00606d90ace20e6937294","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-08-13T12:51:15Z","title_canon_sha256":"67d00d05ccb5f4d511737290ada94f13eef64e131ea8a8ab7819f3dd427b8376"},"schema_version":"1.0","source":{"id":"2308.06762","kind":"arxiv","version":2}},"canonical_sha256":"7778d547314558b35ceeb96399990314c409ae24fef1fac6cc9cbbef98568a71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7778d547314558b35ceeb96399990314c409ae24fef1fac6cc9cbbef98568a71","first_computed_at":"2026-07-05T07:19:48.132471Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:19:48.132471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4QhSBY2Wmsiq93R8lhiii6wx1SgC81oKxEmL6iWO9BdyjSHLGppFHGuFAWi4jSvoLCM6rRs7TMeXCx0wgZqmBw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:19:48.132932Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.06762","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38031e3146f1ae0a2ba5ab6c5057a3d33ba9a98c334dc0efd12b42584f74df37","sha256:9ffa988354b5421d72bce639af07842daff6531c5070b1e404337645303f8c05"],"state_sha256":"6f563c6021ffc4e6603b42e157595ef33ad380e98b2815b19504c3dafb200cda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jz5mfhPDMu88A+W35MFgGApZjBRg9EuDz/c+VgDZ0M/kbSfC61QB5j/HK7ULAHSAL6E5DtTXY9hdt6aHBth4DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T05:31:54.184103Z","bundle_sha256":"8d3dca417c430e8e9cc9d10bb0e453cbe3946d11868b5128b8edf9fe465d868d"}}