{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:WVQGANI2A3LFLYQ7JYUHMZPBA7","short_pith_number":"pith:WVQGANI2","canonical_record":{"source":{"id":"2306.03494","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2023-06-06T08:22:47Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"31b0ec901e18dbf160d555a90295b8d6a8205fa3db4a1443aa5feb0a72020b4e","abstract_canon_sha256":"b3c043649e9759d86d993c48788dcbf5aa3a29bea1176d206be724daeeae5ed8"},"schema_version":"1.0"},"canonical_sha256":"b56060351a06d655e21f4e287665e107d6cf8df069a3b3280006019e79fc9b39","source":{"kind":"arxiv","id":"2306.03494","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.03494","created_at":"2026-07-05T11:11:19Z"},{"alias_kind":"arxiv_version","alias_value":"2306.03494v2","created_at":"2026-07-05T11:11:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.03494","created_at":"2026-07-05T11:11:19Z"},{"alias_kind":"pith_short_12","alias_value":"WVQGANI2A3LF","created_at":"2026-07-05T11:11:19Z"},{"alias_kind":"pith_short_16","alias_value":"WVQGANI2A3LFLYQ7","created_at":"2026-07-05T11:11:19Z"},{"alias_kind":"pith_short_8","alias_value":"WVQGANI2","created_at":"2026-07-05T11:11:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:WVQGANI2A3LFLYQ7JYUHMZPBA7","target":"record","payload":{"canonical_record":{"source":{"id":"2306.03494","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2023-06-06T08:22:47Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"31b0ec901e18dbf160d555a90295b8d6a8205fa3db4a1443aa5feb0a72020b4e","abstract_canon_sha256":"b3c043649e9759d86d993c48788dcbf5aa3a29bea1176d206be724daeeae5ed8"},"schema_version":"1.0"},"canonical_sha256":"b56060351a06d655e21f4e287665e107d6cf8df069a3b3280006019e79fc9b39","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:11:19.817514Z","signature_b64":"a706OkZVKg+rNOXfgUznBztim8ajHdKAyzUu8lMjccsLonvIpkaLKRZN/i1lYTFz3q756p99yOwaDzBPAEgqAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b56060351a06d655e21f4e287665e107d6cf8df069a3b3280006019e79fc9b39","last_reissued_at":"2026-07-05T11:11:19.817040Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:11:19.817040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.03494","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":"2026-07-05T11:11:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NpO5jsCwMN4Bwi0SyllhIdNTaAahCcuu0SHWUgksAZThZ0+j59oNHwSAf+A3PbIrGHKo8gCFnfKPQITEUPhuCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:29:45.328691Z"},"content_sha256":"47020c972fc716d3eb97f3fecb3c5d67426e493abc027f1a24d59d1603c3edf7","schema_version":"1.0","event_id":"sha256:47020c972fc716d3eb97f3fecb3c5d67426e493abc027f1a24d59d1603c3edf7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:WVQGANI2A3LFLYQ7JYUHMZPBA7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structurally Different Neural Network Blocks for the Segmentation of Atrial and Aortic Perivascular Adipose Tissue in Multi-centre CT Angiography Scans","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Amrita Bajaj, Aparna Deshpande, Benjamin J Hudson, Charalambos Antoniades, Cheerag Shirodaria, Cheng Xie, Christos P. Kotanidis, Das Indrajeet, David Adlam, Donna Alexander, George Krasopoulos, Henry West, Ikboljon Sobirov, Jonathan C L Rodrigues, Keith M. Channon, Kenneth Chan, Maria Lyasheva, Mohammad Yaqub, Muhammad Siddique, Parijat Patel, Pete Tomlins, Praveen Rao, Qiang Zhang, Rana Sayeed, Sheena Thomas, Stefan Neubauer, Thomas Halborg, Vivek Srivastava, Zarqaish Fatima","submitted_at":"2023-06-06T08:22:47Z","abstract_excerpt":"Since the emergence of convolutional neural networks (CNNs) and, later, vision transformers (ViTs), deep learning architectures have predominantly relied on identical block types with varying hyperparameters. We propose a novel block alternation strategy to leverage the complementary strengths of different architectural designs, assembling structurally distinct components similar to Lego blocks. We introduce LegoNet, a deep learning framework that alternates CNN-based and SwinViT-based blocks to enhance feature learning for medical image segmentation. We investigate three variations of LegoNet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.03494","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/2306.03494/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":"2026-07-05T11:11:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U3iz32iq5FCHMLwzfXdMQuD77hlRTihx15dXM0ONookHj1q1t01uKFJ7MvPcDpJicdVCuMOUNPo/EgtCZRI2Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:29:45.329074Z"},"content_sha256":"7a0ff295d57544508567ae1f518b01f8369d75c3c5b05036e0bf1d05ee6c165e","schema_version":"1.0","event_id":"sha256:7a0ff295d57544508567ae1f518b01f8369d75c3c5b05036e0bf1d05ee6c165e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WVQGANI2A3LFLYQ7JYUHMZPBA7/bundle.json","state_url":"https://pith.science/pith/WVQGANI2A3LFLYQ7JYUHMZPBA7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WVQGANI2A3LFLYQ7JYUHMZPBA7/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":"2026-07-06T23:29:45Z","links":{"resolver":"https://pith.science/pith/WVQGANI2A3LFLYQ7JYUHMZPBA7","bundle":"https://pith.science/pith/WVQGANI2A3LFLYQ7JYUHMZPBA7/bundle.json","state":"https://pith.science/pith/WVQGANI2A3LFLYQ7JYUHMZPBA7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WVQGANI2A3LFLYQ7JYUHMZPBA7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WVQGANI2A3LFLYQ7JYUHMZPBA7","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":"b3c043649e9759d86d993c48788dcbf5aa3a29bea1176d206be724daeeae5ed8","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2023-06-06T08:22:47Z","title_canon_sha256":"31b0ec901e18dbf160d555a90295b8d6a8205fa3db4a1443aa5feb0a72020b4e"},"schema_version":"1.0","source":{"id":"2306.03494","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.03494","created_at":"2026-07-05T11:11:19Z"},{"alias_kind":"arxiv_version","alias_value":"2306.03494v2","created_at":"2026-07-05T11:11:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.03494","created_at":"2026-07-05T11:11:19Z"},{"alias_kind":"pith_short_12","alias_value":"WVQGANI2A3LF","created_at":"2026-07-05T11:11:19Z"},{"alias_kind":"pith_short_16","alias_value":"WVQGANI2A3LFLYQ7","created_at":"2026-07-05T11:11:19Z"},{"alias_kind":"pith_short_8","alias_value":"WVQGANI2","created_at":"2026-07-05T11:11:19Z"}],"graph_snapshots":[{"event_id":"sha256:7a0ff295d57544508567ae1f518b01f8369d75c3c5b05036e0bf1d05ee6c165e","target":"graph","created_at":"2026-07-05T11:11:19Z","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/2306.03494/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Since the emergence of convolutional neural networks (CNNs) and, later, vision transformers (ViTs), deep learning architectures have predominantly relied on identical block types with varying hyperparameters. We propose a novel block alternation strategy to leverage the complementary strengths of different architectural designs, assembling structurally distinct components similar to Lego blocks. We introduce LegoNet, a deep learning framework that alternates CNN-based and SwinViT-based blocks to enhance feature learning for medical image segmentation. We investigate three variations of LegoNet","authors_text":"Amrita Bajaj, Aparna Deshpande, Benjamin J Hudson, Charalambos Antoniades, Cheerag Shirodaria, Cheng Xie, Christos P. Kotanidis, Das Indrajeet, David Adlam, Donna Alexander, George Krasopoulos, Henry West, Ikboljon Sobirov, Jonathan C L Rodrigues, Keith M. Channon, Kenneth Chan, Maria Lyasheva, Mohammad Yaqub, Muhammad Siddique, Parijat Patel, Pete Tomlins, Praveen Rao, Qiang Zhang, Rana Sayeed, Sheena Thomas, Stefan Neubauer, Thomas Halborg, Vivek Srivastava, Zarqaish Fatima","cross_cats":["cs.CV"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2023-06-06T08:22:47Z","title":"Structurally Different Neural Network Blocks for the Segmentation of Atrial and Aortic Perivascular Adipose Tissue in Multi-centre CT Angiography Scans"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.03494","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":"sha256:47020c972fc716d3eb97f3fecb3c5d67426e493abc027f1a24d59d1603c3edf7","target":"record","created_at":"2026-07-05T11:11:19Z","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":"b3c043649e9759d86d993c48788dcbf5aa3a29bea1176d206be724daeeae5ed8","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2023-06-06T08:22:47Z","title_canon_sha256":"31b0ec901e18dbf160d555a90295b8d6a8205fa3db4a1443aa5feb0a72020b4e"},"schema_version":"1.0","source":{"id":"2306.03494","kind":"arxiv","version":2}},"canonical_sha256":"b56060351a06d655e21f4e287665e107d6cf8df069a3b3280006019e79fc9b39","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b56060351a06d655e21f4e287665e107d6cf8df069a3b3280006019e79fc9b39","first_computed_at":"2026-07-05T11:11:19.817040Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:11:19.817040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a706OkZVKg+rNOXfgUznBztim8ajHdKAyzUu8lMjccsLonvIpkaLKRZN/i1lYTFz3q756p99yOwaDzBPAEgqAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:11:19.817514Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.03494","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47020c972fc716d3eb97f3fecb3c5d67426e493abc027f1a24d59d1603c3edf7","sha256:7a0ff295d57544508567ae1f518b01f8369d75c3c5b05036e0bf1d05ee6c165e"],"state_sha256":"8613049b0b9868f2d62d1109ed2710e7f11998cdb0ee964375b9658f3489d578"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KiN9Lnpv2LM2u7R/2yDT4UMLO5wBHQNGuPuTcVEujlvifF2LlFpqb2SBao6ZweJWFhJbU/0FZJ7jFdN9KuGSAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T23:29:45.331094Z","bundle_sha256":"16fbc2beb008bc9680324cebfae9379cabb49d52e3debf5919510e5e91189512"}}