{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:P7LIHOEGO5NHAQ3EG3HOM2I7YL","short_pith_number":"pith:P7LIHOEG","canonical_record":{"source":{"id":"2412.10573","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-12-13T21:34:54Z","cross_cats_sorted":["cs.HC","cs.LG"],"title_canon_sha256":"f900e9dd33c4f334d8ed86ee04bcf86f360b06f206b771c107124506f4c0dc84","abstract_canon_sha256":"ab91d6a96fc4ec8367de3bb53aeabb18649d5e5111bf89ae00f3cb4def311545"},"schema_version":"1.0"},"canonical_sha256":"7fd683b886775a70436436cee6691fc2ebda027fbe92589f469136f91e25e102","source":{"kind":"arxiv","id":"2412.10573","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.10573","created_at":"2026-07-05T11:15:18Z"},{"alias_kind":"arxiv_version","alias_value":"2412.10573v2","created_at":"2026-07-05T11:15:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.10573","created_at":"2026-07-05T11:15:18Z"},{"alias_kind":"pith_short_12","alias_value":"P7LIHOEGO5NH","created_at":"2026-07-05T11:15:18Z"},{"alias_kind":"pith_short_16","alias_value":"P7LIHOEGO5NHAQ3E","created_at":"2026-07-05T11:15:18Z"},{"alias_kind":"pith_short_8","alias_value":"P7LIHOEG","created_at":"2026-07-05T11:15:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:P7LIHOEGO5NHAQ3EG3HOM2I7YL","target":"record","payload":{"canonical_record":{"source":{"id":"2412.10573","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-12-13T21:34:54Z","cross_cats_sorted":["cs.HC","cs.LG"],"title_canon_sha256":"f900e9dd33c4f334d8ed86ee04bcf86f360b06f206b771c107124506f4c0dc84","abstract_canon_sha256":"ab91d6a96fc4ec8367de3bb53aeabb18649d5e5111bf89ae00f3cb4def311545"},"schema_version":"1.0"},"canonical_sha256":"7fd683b886775a70436436cee6691fc2ebda027fbe92589f469136f91e25e102","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:15:18.845019Z","signature_b64":"E/cTb4CfbtkQnzDSjRCI2QpdeC1WzRdfh4JHGZz5naM3SCEqa+V58NjYNtXv1cTFbv7+muCkcAkTSLbDzYEnCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7fd683b886775a70436436cee6691fc2ebda027fbe92589f469136f91e25e102","last_reissued_at":"2026-07-05T11:15:18.844534Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:15:18.844534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.10573","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":"2026-07-05T11:15:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8msnQS4hYBZNedyOusa9Yq1gw+HRWVdf+w11+o+skhftd5yP2DRbCrhqCJ7fK7d0oKMtBxsNZ4WTDA9DILo1Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T04:28:15.144183Z"},"content_sha256":"4fd3cba6c06cefde9f250aff0bcf42d744ead3ad5c560c8b91edc94d4250ff54","schema_version":"1.0","event_id":"sha256:4fd3cba6c06cefde9f250aff0bcf42d744ead3ad5c560c8b91edc94d4250ff54"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:P7LIHOEGO5NHAQ3EG3HOM2I7YL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ExeChecker: Where Did I Go Wrong?","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.HC","cs.LG"],"primary_cat":"cs.CV","authors_text":"Mahir Patel, Margrit Betke, Yiwen Gu","submitted_at":"2024-12-13T21:34:54Z","abstract_excerpt":"In this paper, we present a contrastive learning based framework, ExeChecker, for the interpretation of rehabilitation exercises. Our work builds upon state-of-the-art advances in the area of human pose estimation, graph-attention neural networks, and transformer interpretablity. The downstream task is to assist rehabilitation by providing informative feedback to users while they are performing prescribed exercises. We utilize a contrastive learning strategy during training. Given a tuple of correctly and incorrectly executed exercises, our model is able to identify and highlight those joints "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.10573","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/2412.10573/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":"2026-07-05T11:15:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7KeZyUaczsTBglaCn0be90CfEd9ei0XjG5Ib9TL94fp46U4uTJd41SMwlQcON5V+TlkAfP5qSRKw+CaXrbuwCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T04:28:15.145479Z"},"content_sha256":"20655845a29408e5c86bb72674f4a1f2fdb95bf4aaa6610e302fc01b7d610784","schema_version":"1.0","event_id":"sha256:20655845a29408e5c86bb72674f4a1f2fdb95bf4aaa6610e302fc01b7d610784"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P7LIHOEGO5NHAQ3EG3HOM2I7YL/bundle.json","state_url":"https://pith.science/pith/P7LIHOEGO5NHAQ3EG3HOM2I7YL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P7LIHOEGO5NHAQ3EG3HOM2I7YL/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":"2026-08-13T04:28:15Z","links":{"resolver":"https://pith.science/pith/P7LIHOEGO5NHAQ3EG3HOM2I7YL","bundle":"https://pith.science/pith/P7LIHOEGO5NHAQ3EG3HOM2I7YL/bundle.json","state":"https://pith.science/pith/P7LIHOEGO5NHAQ3EG3HOM2I7YL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P7LIHOEGO5NHAQ3EG3HOM2I7YL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:P7LIHOEGO5NHAQ3EG3HOM2I7YL","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":"ab91d6a96fc4ec8367de3bb53aeabb18649d5e5111bf89ae00f3cb4def311545","cross_cats_sorted":["cs.HC","cs.LG"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-12-13T21:34:54Z","title_canon_sha256":"f900e9dd33c4f334d8ed86ee04bcf86f360b06f206b771c107124506f4c0dc84"},"schema_version":"1.0","source":{"id":"2412.10573","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.10573","created_at":"2026-07-05T11:15:18Z"},{"alias_kind":"arxiv_version","alias_value":"2412.10573v2","created_at":"2026-07-05T11:15:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.10573","created_at":"2026-07-05T11:15:18Z"},{"alias_kind":"pith_short_12","alias_value":"P7LIHOEGO5NH","created_at":"2026-07-05T11:15:18Z"},{"alias_kind":"pith_short_16","alias_value":"P7LIHOEGO5NHAQ3E","created_at":"2026-07-05T11:15:18Z"},{"alias_kind":"pith_short_8","alias_value":"P7LIHOEG","created_at":"2026-07-05T11:15:18Z"}],"graph_snapshots":[{"event_id":"sha256:20655845a29408e5c86bb72674f4a1f2fdb95bf4aaa6610e302fc01b7d610784","target":"graph","created_at":"2026-07-05T11:15:18Z","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/2412.10573/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we present a contrastive learning based framework, ExeChecker, for the interpretation of rehabilitation exercises. Our work builds upon state-of-the-art advances in the area of human pose estimation, graph-attention neural networks, and transformer interpretablity. The downstream task is to assist rehabilitation by providing informative feedback to users while they are performing prescribed exercises. We utilize a contrastive learning strategy during training. Given a tuple of correctly and incorrectly executed exercises, our model is able to identify and highlight those joints ","authors_text":"Mahir Patel, Margrit Betke, Yiwen Gu","cross_cats":["cs.HC","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-12-13T21:34:54Z","title":"ExeChecker: Where Did I Go Wrong?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.10573","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":"sha256:4fd3cba6c06cefde9f250aff0bcf42d744ead3ad5c560c8b91edc94d4250ff54","target":"record","created_at":"2026-07-05T11:15:18Z","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":"ab91d6a96fc4ec8367de3bb53aeabb18649d5e5111bf89ae00f3cb4def311545","cross_cats_sorted":["cs.HC","cs.LG"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-12-13T21:34:54Z","title_canon_sha256":"f900e9dd33c4f334d8ed86ee04bcf86f360b06f206b771c107124506f4c0dc84"},"schema_version":"1.0","source":{"id":"2412.10573","kind":"arxiv","version":2}},"canonical_sha256":"7fd683b886775a70436436cee6691fc2ebda027fbe92589f469136f91e25e102","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7fd683b886775a70436436cee6691fc2ebda027fbe92589f469136f91e25e102","first_computed_at":"2026-07-05T11:15:18.844534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:15:18.844534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"E/cTb4CfbtkQnzDSjRCI2QpdeC1WzRdfh4JHGZz5naM3SCEqa+V58NjYNtXv1cTFbv7+muCkcAkTSLbDzYEnCw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:15:18.845019Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.10573","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4fd3cba6c06cefde9f250aff0bcf42d744ead3ad5c560c8b91edc94d4250ff54","sha256:20655845a29408e5c86bb72674f4a1f2fdb95bf4aaa6610e302fc01b7d610784"],"state_sha256":"0d6c9d32a964b47ed0b5ef697839825df7c40778350f8537bf5b93d5ace5d653"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0eIz95I9IHAIWoDh5wX7T3VqOMHFsahpmx7/QtWJx6llyi3cl03olx+3WEUcgqFQ2pcRqWLYzNgxA6dU1TjMCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T04:28:15.161904Z","bundle_sha256":"d67b05976723ffb555a811b947e67ce88672752c3044ca917ed32166c2c4855f"}}