{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:5WERNP75IBBZL2N3OQPNLX73BL","short_pith_number":"pith:5WERNP75","canonical_record":{"source":{"id":"1710.06473","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-10-17T19:08:29Z","cross_cats_sorted":[],"title_canon_sha256":"900c1b02bd5680563577e1534bf89cf0cd67a066a17410d2d78f8ef0e4c18466","abstract_canon_sha256":"b0b37470cb1b7081f32fcc3651e4ffe89dff6380a0f7e25f8c1842c421629d27"},"schema_version":"1.0"},"canonical_sha256":"ed8916bffd404395e9bb741ed5dffb0ae0faa58ee167fdaea0a3a2586f4d78d1","source":{"kind":"arxiv","id":"1710.06473","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.06473","created_at":"2026-05-18T00:14:54Z"},{"alias_kind":"arxiv_version","alias_value":"1710.06473v4","created_at":"2026-05-18T00:14:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.06473","created_at":"2026-05-18T00:14:54Z"},{"alias_kind":"pith_short_12","alias_value":"5WERNP75IBBZ","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"5WERNP75IBBZL2N3","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"5WERNP75","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:5WERNP75IBBZL2N3OQPNLX73BL","target":"record","payload":{"canonical_record":{"source":{"id":"1710.06473","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-10-17T19:08:29Z","cross_cats_sorted":[],"title_canon_sha256":"900c1b02bd5680563577e1534bf89cf0cd67a066a17410d2d78f8ef0e4c18466","abstract_canon_sha256":"b0b37470cb1b7081f32fcc3651e4ffe89dff6380a0f7e25f8c1842c421629d27"},"schema_version":"1.0"},"canonical_sha256":"ed8916bffd404395e9bb741ed5dffb0ae0faa58ee167fdaea0a3a2586f4d78d1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:54.386002Z","signature_b64":"I2kg40LWXfi9qvvCJEWKzp1oOX0gT1dPolAcnTp08bwyCYoEezU4Ze/Rz4qwMfLNT4TZGIZSsedUGB/7pN34DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed8916bffd404395e9bb741ed5dffb0ae0faa58ee167fdaea0a3a2586f4d78d1","last_reissued_at":"2026-05-18T00:14:54.385470Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:54.385470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.06473","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:14:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bb4qsckLxQ/LXNDImVvQxokErAstS5tfrWXWGD8MSuwpXy8HX7EcaxMh/fh5G+m9PSRi8fx4gvaheTFyjEROCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T06:00:28.943276Z"},"content_sha256":"d0558ad1c1b9ceb8e05244e143f57a60c447a0cb4c7b4f4856fce2590b22ecd8","schema_version":"1.0","event_id":"sha256:d0558ad1c1b9ceb8e05244e143f57a60c447a0cb4c7b4f4856fce2590b22ecd8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:5WERNP75IBBZL2N3OQPNLX73BL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superpixels Based Marker Tracking Vs. Hue Thresholding In Rodent Biomechanics Application","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Andrew Spence, Annie Vahedipour Tabrizi, Benjamin Robertson, Omid Haji Maghsoudi","submitted_at":"2017-10-17T19:08:29Z","abstract_excerpt":"Examining locomotion has improved our basic understanding of motor control and aided in treating motor impairment. Mice and rats are premier models of human disease and increasingly the model systems of choice for basic neuroscience. High frame rates (250 Hz) are needed to quantify the kinematics of these running rodents. Manual tracking, especially for multiple markers, becomes time-consuming and impossible for large sample sizes. Therefore, the need for automatic segmentation of these markers has grown in recent years. We propose two methods to segment and track these markers: first, using S"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.06473","kind":"arxiv","version":4},"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":"2026-05-18T00:14:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"38XHp5hiMwcR9e7BtzuRuP4u2+6zh4/zo6ifB88BkP96UtptFth9RVTMmDAaekE6+jvwOd+SLPJrUFULbBgyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T06:00:28.944847Z"},"content_sha256":"5aa74f93f2ec9735feb40a3de8b3816daf946bbac8c8ce435c5f696c8cdc6744","schema_version":"1.0","event_id":"sha256:5aa74f93f2ec9735feb40a3de8b3816daf946bbac8c8ce435c5f696c8cdc6744"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5WERNP75IBBZL2N3OQPNLX73BL/bundle.json","state_url":"https://pith.science/pith/5WERNP75IBBZL2N3OQPNLX73BL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5WERNP75IBBZL2N3OQPNLX73BL/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":"2026-08-18T06:00:28Z","links":{"resolver":"https://pith.science/pith/5WERNP75IBBZL2N3OQPNLX73BL","bundle":"https://pith.science/pith/5WERNP75IBBZL2N3OQPNLX73BL/bundle.json","state":"https://pith.science/pith/5WERNP75IBBZL2N3OQPNLX73BL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5WERNP75IBBZL2N3OQPNLX73BL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:5WERNP75IBBZL2N3OQPNLX73BL","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":"b0b37470cb1b7081f32fcc3651e4ffe89dff6380a0f7e25f8c1842c421629d27","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-10-17T19:08:29Z","title_canon_sha256":"900c1b02bd5680563577e1534bf89cf0cd67a066a17410d2d78f8ef0e4c18466"},"schema_version":"1.0","source":{"id":"1710.06473","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.06473","created_at":"2026-05-18T00:14:54Z"},{"alias_kind":"arxiv_version","alias_value":"1710.06473v4","created_at":"2026-05-18T00:14:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.06473","created_at":"2026-05-18T00:14:54Z"},{"alias_kind":"pith_short_12","alias_value":"5WERNP75IBBZ","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"5WERNP75IBBZL2N3","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"5WERNP75","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:5aa74f93f2ec9735feb40a3de8b3816daf946bbac8c8ce435c5f696c8cdc6744","target":"graph","created_at":"2026-05-18T00:14:54Z","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":"Examining locomotion has improved our basic understanding of motor control and aided in treating motor impairment. Mice and rats are premier models of human disease and increasingly the model systems of choice for basic neuroscience. High frame rates (250 Hz) are needed to quantify the kinematics of these running rodents. Manual tracking, especially for multiple markers, becomes time-consuming and impossible for large sample sizes. Therefore, the need for automatic segmentation of these markers has grown in recent years. We propose two methods to segment and track these markers: first, using S","authors_text":"Andrew Spence, Annie Vahedipour Tabrizi, Benjamin Robertson, Omid Haji Maghsoudi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-10-17T19:08:29Z","title":"Superpixels Based Marker Tracking Vs. Hue Thresholding In Rodent Biomechanics Application"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.06473","kind":"arxiv","version":4},"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:d0558ad1c1b9ceb8e05244e143f57a60c447a0cb4c7b4f4856fce2590b22ecd8","target":"record","created_at":"2026-05-18T00:14:54Z","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":"b0b37470cb1b7081f32fcc3651e4ffe89dff6380a0f7e25f8c1842c421629d27","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-10-17T19:08:29Z","title_canon_sha256":"900c1b02bd5680563577e1534bf89cf0cd67a066a17410d2d78f8ef0e4c18466"},"schema_version":"1.0","source":{"id":"1710.06473","kind":"arxiv","version":4}},"canonical_sha256":"ed8916bffd404395e9bb741ed5dffb0ae0faa58ee167fdaea0a3a2586f4d78d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed8916bffd404395e9bb741ed5dffb0ae0faa58ee167fdaea0a3a2586f4d78d1","first_computed_at":"2026-05-18T00:14:54.385470Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:54.385470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I2kg40LWXfi9qvvCJEWKzp1oOX0gT1dPolAcnTp08bwyCYoEezU4Ze/Rz4qwMfLNT4TZGIZSsedUGB/7pN34DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:54.386002Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.06473","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d0558ad1c1b9ceb8e05244e143f57a60c447a0cb4c7b4f4856fce2590b22ecd8","sha256:5aa74f93f2ec9735feb40a3de8b3816daf946bbac8c8ce435c5f696c8cdc6744"],"state_sha256":"957aab5e192569d73170e78ac9ba20f629ef599ad60c69b90fb63dc92d7248e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lxk4KpT9lTdABioj2OdXZI4lKO8J32Gvu/Ub6+U0YO9W/sRD+DTFa5GvbQukfuSrL4x2nhgSKTr/fR5CXGoiCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T06:00:28.950385Z","bundle_sha256":"6197173e3739c613de972e725747eb46e693e7cedd56b82d2ef71a5ad1f43644"}}