{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:XORFZUFPGHBDNKSZGKSFPZVFGI","short_pith_number":"pith:XORFZUFP","canonical_record":{"source":{"id":"2310.00289","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-09-30T07:45:50Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"141c6b01ba41c1506f92cc89fdd44b406d4c7f6fdad80405cc06eb3778ec1749","abstract_canon_sha256":"2f2ee3641fa2142ea58293e65359540b8450e348c60550820e0a44e55e3a898d"},"schema_version":"1.0"},"canonical_sha256":"bba25cd0af31c236aa5932a457e6a532379552c328a1b6e36c179dadaa7db1d3","source":{"kind":"arxiv","id":"2310.00289","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.00289","created_at":"2026-07-05T09:35:06Z"},{"alias_kind":"arxiv_version","alias_value":"2310.00289v3","created_at":"2026-07-05T09:35:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.00289","created_at":"2026-07-05T09:35:06Z"},{"alias_kind":"pith_short_12","alias_value":"XORFZUFPGHBD","created_at":"2026-07-05T09:35:06Z"},{"alias_kind":"pith_short_16","alias_value":"XORFZUFPGHBDNKSZ","created_at":"2026-07-05T09:35:06Z"},{"alias_kind":"pith_short_8","alias_value":"XORFZUFP","created_at":"2026-07-05T09:35:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:XORFZUFPGHBDNKSZGKSFPZVFGI","target":"record","payload":{"canonical_record":{"source":{"id":"2310.00289","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-09-30T07:45:50Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"141c6b01ba41c1506f92cc89fdd44b406d4c7f6fdad80405cc06eb3778ec1749","abstract_canon_sha256":"2f2ee3641fa2142ea58293e65359540b8450e348c60550820e0a44e55e3a898d"},"schema_version":"1.0"},"canonical_sha256":"bba25cd0af31c236aa5932a457e6a532379552c328a1b6e36c179dadaa7db1d3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:35:06.639336Z","signature_b64":"xCqjGwnbSXsWHurMjBp57k5XvXOciT0WLEZakT5i4oJa+fpoKYomtrdo9myOO8IJe0oUGtw8i4/YS0djUzf+Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bba25cd0af31c236aa5932a457e6a532379552c328a1b6e36c179dadaa7db1d3","last_reissued_at":"2026-07-05T09:35:06.638431Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:35:06.638431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.00289","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:35:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OSMHJ1TYNQmm+9v1SiXrjuukcNmj1XQLCk/giTXY9Y8aMQGlF7u25xfU3Vg9lt6A389CzxDfD6SnUyfQjMO8Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:27:31.439313Z"},"content_sha256":"d9fd4b458f84cea9eacba3762ca70ed6535c3283aeb61f43ec3466cc74f8f74b","schema_version":"1.0","event_id":"sha256:d9fd4b458f84cea9eacba3762ca70ed6535c3283aeb61f43ec3466cc74f8f74b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:XORFZUFPGHBDNKSZGKSFPZVFGI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pubic Symphysis-Fetal Head Segmentation Using Pure Transformer with Bi-level Routing Attention","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Libin Lan, Lu Jiang, Pengzhou Cai, Yanxin Li","submitted_at":"2023-09-30T07:45:50Z","abstract_excerpt":"In this paper, we propose a method, named BRAU-Net, to solve the pubic symphysis-fetal head segmentation task. The method adopts a U-Net-like pure Transformer architecture with bi-level routing attention and skip connections, which effectively learns local-global semantic information. The proposed BRAU-Net was evaluated on transperineal Ultrasound images dataset from the pubic symphysis-fetal head segmentation and angle of progression (FH-PS-AOP) challenge. The results demonstrate that the proposed BRAU-Net achieves comparable a final score. The codes will be available at https://github.com/Ca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.00289","kind":"arxiv","version":3},"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/2310.00289/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":"2026-07-05T09:35:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VGJNNCc1iIPvucIJgJBS93PQTHO/BwcTV7zQROXpsoBWpZAdqn4eT45kiyijTbVNcR8qRxDMwjF1TEAbBXP5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:27:31.440261Z"},"content_sha256":"31582ef13d0fbcd237b251822d63cf2afef7994be7a622b0e400cb9000a54a96","schema_version":"1.0","event_id":"sha256:31582ef13d0fbcd237b251822d63cf2afef7994be7a622b0e400cb9000a54a96"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XORFZUFPGHBDNKSZGKSFPZVFGI/bundle.json","state_url":"https://pith.science/pith/XORFZUFPGHBDNKSZGKSFPZVFGI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XORFZUFPGHBDNKSZGKSFPZVFGI/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":"2026-08-06T16:27:31Z","links":{"resolver":"https://pith.science/pith/XORFZUFPGHBDNKSZGKSFPZVFGI","bundle":"https://pith.science/pith/XORFZUFPGHBDNKSZGKSFPZVFGI/bundle.json","state":"https://pith.science/pith/XORFZUFPGHBDNKSZGKSFPZVFGI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XORFZUFPGHBDNKSZGKSFPZVFGI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:XORFZUFPGHBDNKSZGKSFPZVFGI","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":"2f2ee3641fa2142ea58293e65359540b8450e348c60550820e0a44e55e3a898d","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-09-30T07:45:50Z","title_canon_sha256":"141c6b01ba41c1506f92cc89fdd44b406d4c7f6fdad80405cc06eb3778ec1749"},"schema_version":"1.0","source":{"id":"2310.00289","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.00289","created_at":"2026-07-05T09:35:06Z"},{"alias_kind":"arxiv_version","alias_value":"2310.00289v3","created_at":"2026-07-05T09:35:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.00289","created_at":"2026-07-05T09:35:06Z"},{"alias_kind":"pith_short_12","alias_value":"XORFZUFPGHBD","created_at":"2026-07-05T09:35:06Z"},{"alias_kind":"pith_short_16","alias_value":"XORFZUFPGHBDNKSZ","created_at":"2026-07-05T09:35:06Z"},{"alias_kind":"pith_short_8","alias_value":"XORFZUFP","created_at":"2026-07-05T09:35:06Z"}],"graph_snapshots":[{"event_id":"sha256:31582ef13d0fbcd237b251822d63cf2afef7994be7a622b0e400cb9000a54a96","target":"graph","created_at":"2026-07-05T09:35:06Z","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/2310.00289/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we propose a method, named BRAU-Net, to solve the pubic symphysis-fetal head segmentation task. The method adopts a U-Net-like pure Transformer architecture with bi-level routing attention and skip connections, which effectively learns local-global semantic information. The proposed BRAU-Net was evaluated on transperineal Ultrasound images dataset from the pubic symphysis-fetal head segmentation and angle of progression (FH-PS-AOP) challenge. The results demonstrate that the proposed BRAU-Net achieves comparable a final score. The codes will be available at https://github.com/Ca","authors_text":"Libin Lan, Lu Jiang, Pengzhou Cai, Yanxin Li","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-09-30T07:45:50Z","title":"Pubic Symphysis-Fetal Head Segmentation Using Pure Transformer with Bi-level Routing Attention"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.00289","kind":"arxiv","version":3},"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:d9fd4b458f84cea9eacba3762ca70ed6535c3283aeb61f43ec3466cc74f8f74b","target":"record","created_at":"2026-07-05T09:35:06Z","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":"2f2ee3641fa2142ea58293e65359540b8450e348c60550820e0a44e55e3a898d","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-09-30T07:45:50Z","title_canon_sha256":"141c6b01ba41c1506f92cc89fdd44b406d4c7f6fdad80405cc06eb3778ec1749"},"schema_version":"1.0","source":{"id":"2310.00289","kind":"arxiv","version":3}},"canonical_sha256":"bba25cd0af31c236aa5932a457e6a532379552c328a1b6e36c179dadaa7db1d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bba25cd0af31c236aa5932a457e6a532379552c328a1b6e36c179dadaa7db1d3","first_computed_at":"2026-07-05T09:35:06.638431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:35:06.638431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xCqjGwnbSXsWHurMjBp57k5XvXOciT0WLEZakT5i4oJa+fpoKYomtrdo9myOO8IJe0oUGtw8i4/YS0djUzf+Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:35:06.639336Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.00289","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d9fd4b458f84cea9eacba3762ca70ed6535c3283aeb61f43ec3466cc74f8f74b","sha256:31582ef13d0fbcd237b251822d63cf2afef7994be7a622b0e400cb9000a54a96"],"state_sha256":"c17feff1a29644fb393bf08738060e47213a9a2f7568b46077abaf5cb7ee2b64"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ky9OiTt52zlVW6Wz1YUk3hbtI31xTgw/CkXfm6fIhJ5egPEM0r3V4K+ZtDOGwujD+zBUyL1ymBd23AuF2eMBCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T16:27:31.503832Z","bundle_sha256":"ce72fc156f83c8bdd1ad8708efbaf07b24bd0bc6c5d01a8adfd05b97a6d6f995"}}