{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QWWLT4E3S5B4S3LCB5FVL4VXDT","short_pith_number":"pith:QWWLT4E3","canonical_record":{"source":{"id":"1702.07772","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-02-24T21:30:31Z","cross_cats_sorted":[],"title_canon_sha256":"8014cb5f68da4072992f85a1b656aad653d583ed6c9fb5cf70832ced820ca45a","abstract_canon_sha256":"08e5b8746b816362b6e63b778231bde266343971ca41a815a92cea076b49fa45"},"schema_version":"1.0"},"canonical_sha256":"85acb9f09b9743c96d620f4b55f2b71cc5dc7ce356c13a308828808144e85b4d","source":{"kind":"arxiv","id":"1702.07772","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.07772","created_at":"2026-05-18T00:49:57Z"},{"alias_kind":"arxiv_version","alias_value":"1702.07772v1","created_at":"2026-05-18T00:49:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.07772","created_at":"2026-05-18T00:49:57Z"},{"alias_kind":"pith_short_12","alias_value":"QWWLT4E3S5B4","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QWWLT4E3S5B4S3LC","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QWWLT4E3","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QWWLT4E3S5B4S3LCB5FVL4VXDT","target":"record","payload":{"canonical_record":{"source":{"id":"1702.07772","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-02-24T21:30:31Z","cross_cats_sorted":[],"title_canon_sha256":"8014cb5f68da4072992f85a1b656aad653d583ed6c9fb5cf70832ced820ca45a","abstract_canon_sha256":"08e5b8746b816362b6e63b778231bde266343971ca41a815a92cea076b49fa45"},"schema_version":"1.0"},"canonical_sha256":"85acb9f09b9743c96d620f4b55f2b71cc5dc7ce356c13a308828808144e85b4d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:57.109904Z","signature_b64":"9rdMh8YEZ16rt/DZjzBuct5swpOPiI3l9INoyLBdBoyw0JS6utMcIZq8v3fimL68vGtXw9Txc/wDCalaLVoTAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85acb9f09b9743c96d620f4b55f2b71cc5dc7ce356c13a308828808144e85b4d","last_reissued_at":"2026-05-18T00:49:57.109270Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:57.109270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.07772","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":"2026-05-18T00:49:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qCPcZiow5zivN/9QKBmjcs/+W5YBklZTBmIzxSv36HXuI6Swi4w3uxYzOngnT0SuuLIYy0cXCFKaC6D1KxwGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:40:17.952572Z"},"content_sha256":"558a0bbc4ab4218a1f0e79209f87aba3d5b7b0ccefcfc81ac45eb79d8cff6fc3","schema_version":"1.0","event_id":"sha256:558a0bbc4ab4218a1f0e79209f87aba3d5b7b0ccefcfc81ac45eb79d8cff6fc3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QWWLT4E3S5B4S3LCB5FVL4VXDT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Video and Accelerometer-Based Motion Analysis for Automated Surgical Skills Assessment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Aneeq Zia, Eric L. Sarin, Irfan Essa, Vinay Bettadapura, Yachna Sharma","submitted_at":"2017-02-24T21:30:31Z","abstract_excerpt":"Purpose: Basic surgical skills of suturing and knot tying are an essential part of medical training. Having an automated system for surgical skills assessment could help save experts time and improve training efficiency. There have been some recent attempts at automated surgical skills assessment using either video analysis or acceleration data. In this paper, we present a novel approach for automated assessment of OSATS based surgical skills and provide an analysis of different features on multi-modal data (video and accelerometer data). Methods: We conduct the largest study, to the best of o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.07772","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":""},"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":"2026-05-18T00:49:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1VLkEKhhAcwsiyin1ntLhk+beWq6l6MuPp9By3tpoDqKC6TqTXFRfZwHvx86XvCnVN8xR7uWB2vdyV9c7kNnAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:40:17.952920Z"},"content_sha256":"849aa94a9984443e7348becb88fa4c04577fa015500970657c8da0b17e457ecd","schema_version":"1.0","event_id":"sha256:849aa94a9984443e7348becb88fa4c04577fa015500970657c8da0b17e457ecd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QWWLT4E3S5B4S3LCB5FVL4VXDT/bundle.json","state_url":"https://pith.science/pith/QWWLT4E3S5B4S3LCB5FVL4VXDT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QWWLT4E3S5B4S3LCB5FVL4VXDT/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":"2026-05-28T04:40:17Z","links":{"resolver":"https://pith.science/pith/QWWLT4E3S5B4S3LCB5FVL4VXDT","bundle":"https://pith.science/pith/QWWLT4E3S5B4S3LCB5FVL4VXDT/bundle.json","state":"https://pith.science/pith/QWWLT4E3S5B4S3LCB5FVL4VXDT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QWWLT4E3S5B4S3LCB5FVL4VXDT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QWWLT4E3S5B4S3LCB5FVL4VXDT","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":"08e5b8746b816362b6e63b778231bde266343971ca41a815a92cea076b49fa45","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-02-24T21:30:31Z","title_canon_sha256":"8014cb5f68da4072992f85a1b656aad653d583ed6c9fb5cf70832ced820ca45a"},"schema_version":"1.0","source":{"id":"1702.07772","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.07772","created_at":"2026-05-18T00:49:57Z"},{"alias_kind":"arxiv_version","alias_value":"1702.07772v1","created_at":"2026-05-18T00:49:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.07772","created_at":"2026-05-18T00:49:57Z"},{"alias_kind":"pith_short_12","alias_value":"QWWLT4E3S5B4","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QWWLT4E3S5B4S3LC","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QWWLT4E3","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:849aa94a9984443e7348becb88fa4c04577fa015500970657c8da0b17e457ecd","target":"graph","created_at":"2026-05-18T00:49:57Z","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"},"paper":{"abstract_excerpt":"Purpose: Basic surgical skills of suturing and knot tying are an essential part of medical training. Having an automated system for surgical skills assessment could help save experts time and improve training efficiency. There have been some recent attempts at automated surgical skills assessment using either video analysis or acceleration data. In this paper, we present a novel approach for automated assessment of OSATS based surgical skills and provide an analysis of different features on multi-modal data (video and accelerometer data). Methods: We conduct the largest study, to the best of o","authors_text":"Aneeq Zia, Eric L. Sarin, Irfan Essa, Vinay Bettadapura, Yachna Sharma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-02-24T21:30:31Z","title":"Video and Accelerometer-Based Motion Analysis for Automated Surgical Skills Assessment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.07772","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":"sha256:558a0bbc4ab4218a1f0e79209f87aba3d5b7b0ccefcfc81ac45eb79d8cff6fc3","target":"record","created_at":"2026-05-18T00:49:57Z","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":"08e5b8746b816362b6e63b778231bde266343971ca41a815a92cea076b49fa45","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-02-24T21:30:31Z","title_canon_sha256":"8014cb5f68da4072992f85a1b656aad653d583ed6c9fb5cf70832ced820ca45a"},"schema_version":"1.0","source":{"id":"1702.07772","kind":"arxiv","version":1}},"canonical_sha256":"85acb9f09b9743c96d620f4b55f2b71cc5dc7ce356c13a308828808144e85b4d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85acb9f09b9743c96d620f4b55f2b71cc5dc7ce356c13a308828808144e85b4d","first_computed_at":"2026-05-18T00:49:57.109270Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:49:57.109270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9rdMh8YEZ16rt/DZjzBuct5swpOPiI3l9INoyLBdBoyw0JS6utMcIZq8v3fimL68vGtXw9Txc/wDCalaLVoTAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:49:57.109904Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.07772","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:558a0bbc4ab4218a1f0e79209f87aba3d5b7b0ccefcfc81ac45eb79d8cff6fc3","sha256:849aa94a9984443e7348becb88fa4c04577fa015500970657c8da0b17e457ecd"],"state_sha256":"847d1f0fe144aa0e2fb8a2dc7a3e7eb1f021a860596e160188cbae4e0d2d7635"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WkGMQ0sKKzuWTtGiDbJQuL+BDewtAwL6aIHTKcyl4l4nSbCb8/beoUQQpSJWaV2qQRMwuX8CG8DCIp6+enY8Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T04:40:17.954943Z","bundle_sha256":"bf4878ecbe4c8fc62fd130ffe956820e97721b1eed0f0f12d000eca0d8a8873a"}}