{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:LIBY3JEUPVZ37DCA7MHKXQ3AJU","short_pith_number":"pith:LIBY3JEU","canonical_record":{"source":{"id":"2209.05477","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2022-09-12T17:59:41Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"a75cd2fba16c8c1235aed358a1a58e0d826d3ca950c0e0bc5de33a31bd798edd","abstract_canon_sha256":"7be94b6d0fb6dc18c8cedb625e0e27c86044ec893fd86b5462d3eb70a8bd31ee"},"schema_version":"1.0"},"canonical_sha256":"5a038da4947d73bf8c40fb0eabc3604d2f8e35fc9fd2cb52ed753dc580876fe0","source":{"kind":"arxiv","id":"2209.05477","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.05477","created_at":"2026-07-05T04:56:30Z"},{"alias_kind":"arxiv_version","alias_value":"2209.05477v1","created_at":"2026-07-05T04:56:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.05477","created_at":"2026-07-05T04:56:30Z"},{"alias_kind":"pith_short_12","alias_value":"LIBY3JEUPVZ3","created_at":"2026-07-05T04:56:30Z"},{"alias_kind":"pith_short_16","alias_value":"LIBY3JEUPVZ37DCA","created_at":"2026-07-05T04:56:30Z"},{"alias_kind":"pith_short_8","alias_value":"LIBY3JEU","created_at":"2026-07-05T04:56:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:LIBY3JEUPVZ37DCA7MHKXQ3AJU","target":"record","payload":{"canonical_record":{"source":{"id":"2209.05477","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2022-09-12T17:59:41Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"a75cd2fba16c8c1235aed358a1a58e0d826d3ca950c0e0bc5de33a31bd798edd","abstract_canon_sha256":"7be94b6d0fb6dc18c8cedb625e0e27c86044ec893fd86b5462d3eb70a8bd31ee"},"schema_version":"1.0"},"canonical_sha256":"5a038da4947d73bf8c40fb0eabc3604d2f8e35fc9fd2cb52ed753dc580876fe0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:56:30.995859Z","signature_b64":"jIfY7bmOm/yehhfWKf0P4M8fo+UISom+d1bHp2P5rczIVMPk+XOrzHhSzoAFlG2ef016LAI/HsCSBCQna3U1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a038da4947d73bf8c40fb0eabc3604d2f8e35fc9fd2cb52ed753dc580876fe0","last_reissued_at":"2026-07-05T04:56:30.995398Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:56:30.995398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.05477","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:56:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RLcPZS7KDGPQC7S8xcNiZ6qPn9rZIR3dPndmZ6ajBTc0qF8xSBRIzb/1npLAdoscrWPp86Ct3L01T3vX71zBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T12:50:25.353386Z"},"content_sha256":"3fe23b4b6b79a854a1ae714a4129a53b6b4479714152fc17f66b429288483de9","schema_version":"1.0","event_id":"sha256:3fe23b4b6b79a854a1ae714a4129a53b6b4479714152fc17f66b429288483de9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:LIBY3JEUPVZ37DCA7MHKXQ3AJU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Adaptive 3D Localization of 2D Freehand Ultrasound Brain Images","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV","cs.LG"],"primary_cat":"eess.IV","authors_text":"Ana I.L. Namburete, Monique Haak, Moska Aliasi, Pak-Hei Yeung, the INTERGROWTH-21st Consortium, Weidi Xie","submitted_at":"2022-09-12T17:59:41Z","abstract_excerpt":"Two-dimensional (2D) freehand ultrasound is the mainstay in prenatal care and fetal growth monitoring. The task of matching corresponding cross-sectional planes in the 3D anatomy for a given 2D ultrasound brain scan is essential in freehand scanning, but challenging. We propose AdLocUI, a framework that Adaptively Localizes 2D Ultrasound Images in the 3D anatomical atlas without using any external tracking sensor.. We first train a convolutional neural network with 2D slices sampled from co-aligned 3D ultrasound volumes to predict their locations in the 3D anatomical atlas. Next, we fine-tune "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.05477","kind":"arxiv","version":1},"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/2209.05477/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":"2026-07-05T04:56:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ovC0YHLVYJPZ1j5H3zDyyBFdBjjOJvaD8/yBJtZVtozV3MjhU1AQreAqZtUTnR53OFCdzlAfscNVNhbpF3aWCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T12:50:25.353887Z"},"content_sha256":"0be0d431cc4e7355676073383e2f231226bd5a369791894daa8d29a60d4ca5f7","schema_version":"1.0","event_id":"sha256:0be0d431cc4e7355676073383e2f231226bd5a369791894daa8d29a60d4ca5f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LIBY3JEUPVZ37DCA7MHKXQ3AJU/bundle.json","state_url":"https://pith.science/pith/LIBY3JEUPVZ37DCA7MHKXQ3AJU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LIBY3JEUPVZ37DCA7MHKXQ3AJU/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":"2026-08-18T12:50:25Z","links":{"resolver":"https://pith.science/pith/LIBY3JEUPVZ37DCA7MHKXQ3AJU","bundle":"https://pith.science/pith/LIBY3JEUPVZ37DCA7MHKXQ3AJU/bundle.json","state":"https://pith.science/pith/LIBY3JEUPVZ37DCA7MHKXQ3AJU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LIBY3JEUPVZ37DCA7MHKXQ3AJU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:LIBY3JEUPVZ37DCA7MHKXQ3AJU","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":"7be94b6d0fb6dc18c8cedb625e0e27c86044ec893fd86b5462d3eb70a8bd31ee","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2022-09-12T17:59:41Z","title_canon_sha256":"a75cd2fba16c8c1235aed358a1a58e0d826d3ca950c0e0bc5de33a31bd798edd"},"schema_version":"1.0","source":{"id":"2209.05477","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.05477","created_at":"2026-07-05T04:56:30Z"},{"alias_kind":"arxiv_version","alias_value":"2209.05477v1","created_at":"2026-07-05T04:56:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.05477","created_at":"2026-07-05T04:56:30Z"},{"alias_kind":"pith_short_12","alias_value":"LIBY3JEUPVZ3","created_at":"2026-07-05T04:56:30Z"},{"alias_kind":"pith_short_16","alias_value":"LIBY3JEUPVZ37DCA","created_at":"2026-07-05T04:56:30Z"},{"alias_kind":"pith_short_8","alias_value":"LIBY3JEU","created_at":"2026-07-05T04:56:30Z"}],"graph_snapshots":[{"event_id":"sha256:0be0d431cc4e7355676073383e2f231226bd5a369791894daa8d29a60d4ca5f7","target":"graph","created_at":"2026-07-05T04:56:30Z","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/2209.05477/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Two-dimensional (2D) freehand ultrasound is the mainstay in prenatal care and fetal growth monitoring. The task of matching corresponding cross-sectional planes in the 3D anatomy for a given 2D ultrasound brain scan is essential in freehand scanning, but challenging. We propose AdLocUI, a framework that Adaptively Localizes 2D Ultrasound Images in the 3D anatomical atlas without using any external tracking sensor.. We first train a convolutional neural network with 2D slices sampled from co-aligned 3D ultrasound volumes to predict their locations in the 3D anatomical atlas. Next, we fine-tune ","authors_text":"Ana I.L. Namburete, Monique Haak, Moska Aliasi, Pak-Hei Yeung, the INTERGROWTH-21st Consortium, Weidi Xie","cross_cats":["cs.CV","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2022-09-12T17:59:41Z","title":"Adaptive 3D Localization of 2D Freehand Ultrasound Brain Images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.05477","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":"sha256:3fe23b4b6b79a854a1ae714a4129a53b6b4479714152fc17f66b429288483de9","target":"record","created_at":"2026-07-05T04:56:30Z","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":"7be94b6d0fb6dc18c8cedb625e0e27c86044ec893fd86b5462d3eb70a8bd31ee","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2022-09-12T17:59:41Z","title_canon_sha256":"a75cd2fba16c8c1235aed358a1a58e0d826d3ca950c0e0bc5de33a31bd798edd"},"schema_version":"1.0","source":{"id":"2209.05477","kind":"arxiv","version":1}},"canonical_sha256":"5a038da4947d73bf8c40fb0eabc3604d2f8e35fc9fd2cb52ed753dc580876fe0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a038da4947d73bf8c40fb0eabc3604d2f8e35fc9fd2cb52ed753dc580876fe0","first_computed_at":"2026-07-05T04:56:30.995398Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:56:30.995398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jIfY7bmOm/yehhfWKf0P4M8fo+UISom+d1bHp2P5rczIVMPk+XOrzHhSzoAFlG2ef016LAI/HsCSBCQna3U1BA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:56:30.995859Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.05477","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3fe23b4b6b79a854a1ae714a4129a53b6b4479714152fc17f66b429288483de9","sha256:0be0d431cc4e7355676073383e2f231226bd5a369791894daa8d29a60d4ca5f7"],"state_sha256":"ef2a27cf85b652311fc58982f1d6e4b454571494cef93b23ff7c67276c0c9c7d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pKruaHjMdIz/CAAVeUN8Az4f1ftffxLn8ThGV0Nwe+BsTBhjRRTmZ5WMKQDNWpG7E3XCcRHFsvjQyF6Sq9z+AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T12:50:25.358487Z","bundle_sha256":"dab3a2331de6d165bb7edef7d428201814e9f0526553d37164b59bf152c130b1"}}