{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:JZ5ZLBLPTFADTA3HBX72NDCLZR","short_pith_number":"pith:JZ5ZLBLP","canonical_record":{"source":{"id":"2511.02086","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-11-03T21:58:33Z","cross_cats_sorted":[],"title_canon_sha256":"b30400f16328cfc4390da635ba7e8d9bbd5e974b478374d7cf9d8d3555a464c7","abstract_canon_sha256":"573752526a9d23b6e46cd6a07c31409ef3260aa28622388ec36eab30da72af94"},"schema_version":"1.0"},"canonical_sha256":"4e7b95856f99403983670dffa68c4bcc6fe3997d8704f4065fc6090fa411cfa9","source":{"kind":"arxiv","id":"2511.02086","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.02086","created_at":"2026-06-02T01:03:15Z"},{"alias_kind":"arxiv_version","alias_value":"2511.02086v2","created_at":"2026-06-02T01:03:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.02086","created_at":"2026-06-02T01:03:15Z"},{"alias_kind":"pith_short_12","alias_value":"JZ5ZLBLPTFAD","created_at":"2026-06-02T01:03:15Z"},{"alias_kind":"pith_short_16","alias_value":"JZ5ZLBLPTFADTA3H","created_at":"2026-06-02T01:03:15Z"},{"alias_kind":"pith_short_8","alias_value":"JZ5ZLBLP","created_at":"2026-06-02T01:03:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:JZ5ZLBLPTFADTA3HBX72NDCLZR","target":"record","payload":{"canonical_record":{"source":{"id":"2511.02086","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-11-03T21:58:33Z","cross_cats_sorted":[],"title_canon_sha256":"b30400f16328cfc4390da635ba7e8d9bbd5e974b478374d7cf9d8d3555a464c7","abstract_canon_sha256":"573752526a9d23b6e46cd6a07c31409ef3260aa28622388ec36eab30da72af94"},"schema_version":"1.0"},"canonical_sha256":"4e7b95856f99403983670dffa68c4bcc6fe3997d8704f4065fc6090fa411cfa9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T01:03:15.356169Z","signature_b64":"wAH5FpP75f89TW3yDBu/rlqU4ueohIypMau+maP0vvCrdaknkIkmCfjNK86Ti29TMysRmsdhms1TnNy4cPzODg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e7b95856f99403983670dffa68c4bcc6fe3997d8704f4065fc6090fa411cfa9","last_reissued_at":"2026-06-02T01:03:15.355718Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T01:03:15.355718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2511.02086","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":"2026-06-02T01:03:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UWN4frE0cOnj2UT4y2z28Qpcnv/E+sxqpmxm3g0BbacretTdMne3zEY7HZq5nBa25BtLW3vyrYMdVdC1XrlfBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T07:48:41.126568Z"},"content_sha256":"0d2499ee21519bdc3538a25e602846e43e631eecb1eb80de942d357ac0952440","schema_version":"1.0","event_id":"sha256:0d2499ee21519bdc3538a25e602846e43e631eecb1eb80de942d357ac0952440"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:JZ5ZLBLPTFADTA3HBX72NDCLZR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Markerless Augmented Reality Registration for Surgical Guidance: A Multi-Anatomy Clinical Accuracy Study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Andrey Finegersh, Brian Hargreaves, Bruce Daniel, Christoph Leuze, Fabian Necker, Fred M Baik, Jake Lee, Jie Ying Wu, Michelle Chen, Vasu Divi, Yue Yang","submitted_at":"2025-11-03T21:58:33Z","abstract_excerpt":"Purpose: In this paper, we develop and clinically evaluate a depth-only, markerless augmented reality (AR) registration pipeline on a head-mounted display, and assess accuracy across small or low-curvature anatomies in real-life operative settings. Methods: On HoloLens 2, we align Articulated HAnd Tracking (AHAT) depth to Computed Tomography (CT)-derived skin meshes via (i) depth-bias correction, (ii) brief human-in-the-loop initialization, (iii) global and local registration. We validated the surface-tracing error metric by comparing \"skin-to-bone\" relative distances to CT ground truth on leg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.02086","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/2511.02086/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":"2026-06-02T01:03:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CwOWXCM0iyLEA+gnua5+b2hIn//DD//GIw3R98IJhx2OsRgs3TLKzB/aB03qS+bHq7YbID69fazjef56PRyiDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T07:48:41.127404Z"},"content_sha256":"a5b98801b91a6cbd64c4fc4966f14f22209f2496f9710fe27c6fad6aa842044a","schema_version":"1.0","event_id":"sha256:a5b98801b91a6cbd64c4fc4966f14f22209f2496f9710fe27c6fad6aa842044a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JZ5ZLBLPTFADTA3HBX72NDCLZR/bundle.json","state_url":"https://pith.science/pith/JZ5ZLBLPTFADTA3HBX72NDCLZR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JZ5ZLBLPTFADTA3HBX72NDCLZR/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":"2026-06-09T07:48:41Z","links":{"resolver":"https://pith.science/pith/JZ5ZLBLPTFADTA3HBX72NDCLZR","bundle":"https://pith.science/pith/JZ5ZLBLPTFADTA3HBX72NDCLZR/bundle.json","state":"https://pith.science/pith/JZ5ZLBLPTFADTA3HBX72NDCLZR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JZ5ZLBLPTFADTA3HBX72NDCLZR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:JZ5ZLBLPTFADTA3HBX72NDCLZR","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":"573752526a9d23b6e46cd6a07c31409ef3260aa28622388ec36eab30da72af94","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-11-03T21:58:33Z","title_canon_sha256":"b30400f16328cfc4390da635ba7e8d9bbd5e974b478374d7cf9d8d3555a464c7"},"schema_version":"1.0","source":{"id":"2511.02086","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.02086","created_at":"2026-06-02T01:03:15Z"},{"alias_kind":"arxiv_version","alias_value":"2511.02086v2","created_at":"2026-06-02T01:03:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.02086","created_at":"2026-06-02T01:03:15Z"},{"alias_kind":"pith_short_12","alias_value":"JZ5ZLBLPTFAD","created_at":"2026-06-02T01:03:15Z"},{"alias_kind":"pith_short_16","alias_value":"JZ5ZLBLPTFADTA3H","created_at":"2026-06-02T01:03:15Z"},{"alias_kind":"pith_short_8","alias_value":"JZ5ZLBLP","created_at":"2026-06-02T01:03:15Z"}],"graph_snapshots":[{"event_id":"sha256:a5b98801b91a6cbd64c4fc4966f14f22209f2496f9710fe27c6fad6aa842044a","target":"graph","created_at":"2026-06-02T01:03:15Z","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/2511.02086/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Purpose: In this paper, we develop and clinically evaluate a depth-only, markerless augmented reality (AR) registration pipeline on a head-mounted display, and assess accuracy across small or low-curvature anatomies in real-life operative settings. Methods: On HoloLens 2, we align Articulated HAnd Tracking (AHAT) depth to Computed Tomography (CT)-derived skin meshes via (i) depth-bias correction, (ii) brief human-in-the-loop initialization, (iii) global and local registration. We validated the surface-tracing error metric by comparing \"skin-to-bone\" relative distances to CT ground truth on leg","authors_text":"Andrey Finegersh, Brian Hargreaves, Bruce Daniel, Christoph Leuze, Fabian Necker, Fred M Baik, Jake Lee, Jie Ying Wu, Michelle Chen, Vasu Divi, Yue Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-11-03T21:58:33Z","title":"Markerless Augmented Reality Registration for Surgical Guidance: A Multi-Anatomy Clinical Accuracy Study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.02086","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":"sha256:0d2499ee21519bdc3538a25e602846e43e631eecb1eb80de942d357ac0952440","target":"record","created_at":"2026-06-02T01:03:15Z","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":"573752526a9d23b6e46cd6a07c31409ef3260aa28622388ec36eab30da72af94","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-11-03T21:58:33Z","title_canon_sha256":"b30400f16328cfc4390da635ba7e8d9bbd5e974b478374d7cf9d8d3555a464c7"},"schema_version":"1.0","source":{"id":"2511.02086","kind":"arxiv","version":2}},"canonical_sha256":"4e7b95856f99403983670dffa68c4bcc6fe3997d8704f4065fc6090fa411cfa9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e7b95856f99403983670dffa68c4bcc6fe3997d8704f4065fc6090fa411cfa9","first_computed_at":"2026-06-02T01:03:15.355718Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T01:03:15.355718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wAH5FpP75f89TW3yDBu/rlqU4ueohIypMau+maP0vvCrdaknkIkmCfjNK86Ti29TMysRmsdhms1TnNy4cPzODg==","signature_status":"signed_v1","signed_at":"2026-06-02T01:03:15.356169Z","signed_message":"canonical_sha256_bytes"},"source_id":"2511.02086","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d2499ee21519bdc3538a25e602846e43e631eecb1eb80de942d357ac0952440","sha256:a5b98801b91a6cbd64c4fc4966f14f22209f2496f9710fe27c6fad6aa842044a"],"state_sha256":"5bb21e0c667d5d53947670bef9793dfc81ae1f216df945cced952eb4f994ca88"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"08TIhWOExL23DoKZiJsz7w4+apivZ3gTupfkDDMOmDXaTXRG3OZw12He1AToeh1+h1H22/ZRY5TH9ZH+Dq+9BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T07:48:41.133463Z","bundle_sha256":"426f924027f950c23c60b69143be736c5fe3a6d21ef39022925b1c86d2c939c6"}}