{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:A7T7JECVDOJ7W3I5CRIUFORK2E","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":"95620706aa4d84d93c58fd0ad1634219268e7a405fa65678e2a53b460862d518","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.IV","submitted_at":"2022-08-31T14:04:25Z","title_canon_sha256":"49669de4b1fda4d0306b6a803a4880dc9cee2dce1358235229d1dbc9cdd70284"},"schema_version":"1.0","source":{"id":"2208.14876","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.14876","created_at":"2026-07-05T04:53:35Z"},{"alias_kind":"arxiv_version","alias_value":"2208.14876v1","created_at":"2026-07-05T04:53:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.14876","created_at":"2026-07-05T04:53:35Z"},{"alias_kind":"pith_short_12","alias_value":"A7T7JECVDOJ7","created_at":"2026-07-05T04:53:35Z"},{"alias_kind":"pith_short_16","alias_value":"A7T7JECVDOJ7W3I5","created_at":"2026-07-05T04:53:35Z"},{"alias_kind":"pith_short_8","alias_value":"A7T7JECV","created_at":"2026-07-05T04:53:35Z"}],"graph_snapshots":[{"event_id":"sha256:5e0ac52e80b51a63772a6985b6a914a43b0faaec4cc40631db98a68f3a3edab4","target":"graph","created_at":"2026-07-05T04:53:35Z","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/2208.14876/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-modal MR imaging is routinely used in clinical practice to diagnose and investigate brain tumors by providing rich complementary information. Previous multi-modal MRI segmentation methods usually perform modal fusion by concatenating multi-modal MRIs at an early/middle stage of the network, which hardly explores non-linear dependencies between modalities. In this work, we propose a novel Nested Modality-Aware Transformer (NestedFormer) to explicitly explore the intra-modality and inter-modality relationships of multi-modal MRIs for brain tumor segmentation. Built on the transformer-based","authors_text":"Lei Zhu, Lequan Yu, Liang Wan, Tong Han, Zhaohu Xing","cross_cats":["cs.CV"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.IV","submitted_at":"2022-08-31T14:04:25Z","title":"NestedFormer: Nested Modality-Aware Transformer for Brain Tumor Segmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.14876","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":"sha256:334e0f920573b46195ddb9bb14281fa4dcdd0a8be8e9fcc565923e3eb8ad6e03","target":"record","created_at":"2026-07-05T04:53:35Z","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":"95620706aa4d84d93c58fd0ad1634219268e7a405fa65678e2a53b460862d518","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.IV","submitted_at":"2022-08-31T14:04:25Z","title_canon_sha256":"49669de4b1fda4d0306b6a803a4880dc9cee2dce1358235229d1dbc9cdd70284"},"schema_version":"1.0","source":{"id":"2208.14876","kind":"arxiv","version":1}},"canonical_sha256":"07e7f490551b93fb6d1d145142ba2ad11327d5e05dab96a502ec96a9890d48a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07e7f490551b93fb6d1d145142ba2ad11327d5e05dab96a502ec96a9890d48a5","first_computed_at":"2026-07-05T04:53:35.966443Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:53:35.966443Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PXE6i9eQR0Coy1EWw5DDoUKW0UPFFR/tEFfTmR+N7k1ZahP3GOkAdMO6o0daEIxth2JDB4amXfKjK0K1EtR7BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:53:35.966859Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.14876","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:334e0f920573b46195ddb9bb14281fa4dcdd0a8be8e9fcc565923e3eb8ad6e03","sha256:5e0ac52e80b51a63772a6985b6a914a43b0faaec4cc40631db98a68f3a3edab4"],"state_sha256":"2d90e9487758917057ffbb90ef1c24b27fca17baa8cff50288dc458068f0277b"}