{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:UID6Q6UEWBIABHIF2GG4SFMZ3Q","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":"e2e33fdf2388e00ed3702cdd30996354a0e8047c59c20751aa03dfc768e1d8f1","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2022-11-11T02:15:48Z","title_canon_sha256":"0c7ae9d10bae192ec41c9020e675c29b46b445f57584ddcc2b0ef2e02dff6581"},"schema_version":"1.0","source":{"id":"2211.05962","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.05962","created_at":"2026-07-05T05:16:38Z"},{"alias_kind":"arxiv_version","alias_value":"2211.05962v1","created_at":"2026-07-05T05:16:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.05962","created_at":"2026-07-05T05:16:38Z"},{"alias_kind":"pith_short_12","alias_value":"UID6Q6UEWBIA","created_at":"2026-07-05T05:16:38Z"},{"alias_kind":"pith_short_16","alias_value":"UID6Q6UEWBIABHIF","created_at":"2026-07-05T05:16:38Z"},{"alias_kind":"pith_short_8","alias_value":"UID6Q6UE","created_at":"2026-07-05T05:16:38Z"}],"graph_snapshots":[{"event_id":"sha256:bb7f906e6f02eb94ba2f444071c8562904471cbb59b456e5870fa4c5a026a0da","target":"graph","created_at":"2026-07-05T05:16:38Z","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/2211.05962/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Clear identification of bone structures is crucial for ultrasound-guided lumbar interventions, but it can be challenging due to the complex shapes of the self-shadowing vertebra anatomy and the extensive background speckle noise from the surrounding soft tissue structures. Therefore, we propose to use a patch-like wearable ultrasound solution to capture the reflective bone surfaces from multiple imaging angles and create 3D bone representations for interventional guidance. In this work, we will present our method for estimating the vertebra bone surfaces by using a spatiotemporal U-Net archite","authors_text":"Ahbay Moghekar, Baichuan Jiang, Emad Boctor, Keshuai Xu, Peter Kazanzides","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2022-11-11T02:15:48Z","title":"Feature-aggregated spatiotemporal spine surface estimation for wearable patch ultrasound volumetric imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.05962","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":"sha256:7b481d3d4262199d17d6f73cb79e9ab204d846dcbc2d9120f4b864516fe0cdda","target":"record","created_at":"2026-07-05T05:16:38Z","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":"e2e33fdf2388e00ed3702cdd30996354a0e8047c59c20751aa03dfc768e1d8f1","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2022-11-11T02:15:48Z","title_canon_sha256":"0c7ae9d10bae192ec41c9020e675c29b46b445f57584ddcc2b0ef2e02dff6581"},"schema_version":"1.0","source":{"id":"2211.05962","kind":"arxiv","version":1}},"canonical_sha256":"a207e87a84b050009d05d18dc91599dc298d8829caaa62382710b0e5c0609bab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a207e87a84b050009d05d18dc91599dc298d8829caaa62382710b0e5c0609bab","first_computed_at":"2026-07-05T05:16:38.823610Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:16:38.823610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OYcVlGQsn8M26KkljQRXZl4lVJuGdkU4BT9ZwKoIAP1TD7BiJx4LgqXLb/eqBC6+QE0PDvgdKNF977XjuxIvAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:16:38.824037Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.05962","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b481d3d4262199d17d6f73cb79e9ab204d846dcbc2d9120f4b864516fe0cdda","sha256:bb7f906e6f02eb94ba2f444071c8562904471cbb59b456e5870fa4c5a026a0da"],"state_sha256":"e29415bce3a1d72e75fff098afe898bfc3d3e73fa5a9f9c719917ea6a4b82611"}