{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:HFD7NOMZ2PJDHBVVBI3CDTXSTP","short_pith_number":"pith:HFD7NOMZ","canonical_record":{"source":{"id":"2207.04021","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CL","submitted_at":"2022-07-08T17:18:49Z","cross_cats_sorted":[],"title_canon_sha256":"51b7951927adf87921845f85d303415507ac81b62a30c85bee453592cd6495f1","abstract_canon_sha256":"65552f4cb18ef5ae2463882a35c016d51c00752862885ad875096cbd91cfb535"},"schema_version":"1.0"},"canonical_sha256":"3947f6b999d3d23386b50a3621cef29beed3fbee56e4b384be4ddd51f3dfbc5c","source":{"kind":"arxiv","id":"2207.04021","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.04021","created_at":"2026-07-05T04:38:39Z"},{"alias_kind":"arxiv_version","alias_value":"2207.04021v1","created_at":"2026-07-05T04:38:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.04021","created_at":"2026-07-05T04:38:39Z"},{"alias_kind":"pith_short_12","alias_value":"HFD7NOMZ2PJD","created_at":"2026-07-05T04:38:39Z"},{"alias_kind":"pith_short_16","alias_value":"HFD7NOMZ2PJDHBVV","created_at":"2026-07-05T04:38:39Z"},{"alias_kind":"pith_short_8","alias_value":"HFD7NOMZ","created_at":"2026-07-05T04:38:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:HFD7NOMZ2PJDHBVVBI3CDTXSTP","target":"record","payload":{"canonical_record":{"source":{"id":"2207.04021","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CL","submitted_at":"2022-07-08T17:18:49Z","cross_cats_sorted":[],"title_canon_sha256":"51b7951927adf87921845f85d303415507ac81b62a30c85bee453592cd6495f1","abstract_canon_sha256":"65552f4cb18ef5ae2463882a35c016d51c00752862885ad875096cbd91cfb535"},"schema_version":"1.0"},"canonical_sha256":"3947f6b999d3d23386b50a3621cef29beed3fbee56e4b384be4ddd51f3dfbc5c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:38:39.090429Z","signature_b64":"Z27rXZ7ZGE0dshXXj6ak4LYUjldf44jv9c6G9jfKwRIhrwbJn0PJp4W1vn6zw57w6Oa+P8UYYtQmz3QnoxY+BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3947f6b999d3d23386b50a3621cef29beed3fbee56e4b384be4ddd51f3dfbc5c","last_reissued_at":"2026-07-05T04:38:39.089924Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:38:39.089924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.04021","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":"2026-07-05T04:38:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4JdFRm3o84wV72opoNCVyXp6fuzGuSl2CKvekHHw12Jlh8UUwUHpNm+TD5qmq+bWc6qrht1efHH/v+xWadxrDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T15:56:39.536690Z"},"content_sha256":"dc62a2b42234a85d0bdfef6a14b30000fb19ecf9c31915e5afdc6b1391a56e73","schema_version":"1.0","event_id":"sha256:dc62a2b42234a85d0bdfef6a14b30000fb19ecf9c31915e5afdc6b1391a56e73"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:HFD7NOMZ2PJDHBVVBI3CDTXSTP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ASL-Homework-RGBD Dataset: An annotated dataset of 45 fluent and non-fluent signers performing American Sign Language homeworks","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Elaine Gale, Larwan Berke, Matthew Seita, Matt Huenerfauth, Saad Hassan, Sooyeon Lee, Yingli Tian","submitted_at":"2022-07-08T17:18:49Z","abstract_excerpt":"We are releasing a dataset containing videos of both fluent and non-fluent signers using American Sign Language (ASL), which were collected using a Kinect v2 sensor. This dataset was collected as a part of a project to develop and evaluate computer vision algorithms to support new technologies for automatic detection of ASL fluency attributes. A total of 45 fluent and non-fluent participants were asked to perform signing homework assignments that are similar to the assignments used in introductory or intermediate level ASL courses. The data is annotated to identify several aspects of signing i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.04021","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2207.04021/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":"2026-07-05T04:38:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xcDq3o1oIwYd9f5w4XW/flZHWAziv2f4S5DCQO0+U3Na8xrIO5upP3x52mdnCiag9oOLQppRk4IDhUJGCV8IDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T15:56:39.537093Z"},"content_sha256":"ac3b8f42c9f7ee672f64fbdfda0de95119c5f1cca690a9d4ffc2400dfe736027","schema_version":"1.0","event_id":"sha256:ac3b8f42c9f7ee672f64fbdfda0de95119c5f1cca690a9d4ffc2400dfe736027"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HFD7NOMZ2PJDHBVVBI3CDTXSTP/bundle.json","state_url":"https://pith.science/pith/HFD7NOMZ2PJDHBVVBI3CDTXSTP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HFD7NOMZ2PJDHBVVBI3CDTXSTP/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":"2026-07-08T15:56:39Z","links":{"resolver":"https://pith.science/pith/HFD7NOMZ2PJDHBVVBI3CDTXSTP","bundle":"https://pith.science/pith/HFD7NOMZ2PJDHBVVBI3CDTXSTP/bundle.json","state":"https://pith.science/pith/HFD7NOMZ2PJDHBVVBI3CDTXSTP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HFD7NOMZ2PJDHBVVBI3CDTXSTP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:HFD7NOMZ2PJDHBVVBI3CDTXSTP","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":"65552f4cb18ef5ae2463882a35c016d51c00752862885ad875096cbd91cfb535","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CL","submitted_at":"2022-07-08T17:18:49Z","title_canon_sha256":"51b7951927adf87921845f85d303415507ac81b62a30c85bee453592cd6495f1"},"schema_version":"1.0","source":{"id":"2207.04021","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.04021","created_at":"2026-07-05T04:38:39Z"},{"alias_kind":"arxiv_version","alias_value":"2207.04021v1","created_at":"2026-07-05T04:38:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.04021","created_at":"2026-07-05T04:38:39Z"},{"alias_kind":"pith_short_12","alias_value":"HFD7NOMZ2PJD","created_at":"2026-07-05T04:38:39Z"},{"alias_kind":"pith_short_16","alias_value":"HFD7NOMZ2PJDHBVV","created_at":"2026-07-05T04:38:39Z"},{"alias_kind":"pith_short_8","alias_value":"HFD7NOMZ","created_at":"2026-07-05T04:38:39Z"}],"graph_snapshots":[{"event_id":"sha256:ac3b8f42c9f7ee672f64fbdfda0de95119c5f1cca690a9d4ffc2400dfe736027","target":"graph","created_at":"2026-07-05T04:38:39Z","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/2207.04021/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We are releasing a dataset containing videos of both fluent and non-fluent signers using American Sign Language (ASL), which were collected using a Kinect v2 sensor. This dataset was collected as a part of a project to develop and evaluate computer vision algorithms to support new technologies for automatic detection of ASL fluency attributes. A total of 45 fluent and non-fluent participants were asked to perform signing homework assignments that are similar to the assignments used in introductory or intermediate level ASL courses. The data is annotated to identify several aspects of signing i","authors_text":"Elaine Gale, Larwan Berke, Matthew Seita, Matt Huenerfauth, Saad Hassan, Sooyeon Lee, Yingli Tian","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CL","submitted_at":"2022-07-08T17:18:49Z","title":"ASL-Homework-RGBD Dataset: An annotated dataset of 45 fluent and non-fluent signers performing American Sign Language homeworks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.04021","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:dc62a2b42234a85d0bdfef6a14b30000fb19ecf9c31915e5afdc6b1391a56e73","target":"record","created_at":"2026-07-05T04:38:39Z","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":"65552f4cb18ef5ae2463882a35c016d51c00752862885ad875096cbd91cfb535","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CL","submitted_at":"2022-07-08T17:18:49Z","title_canon_sha256":"51b7951927adf87921845f85d303415507ac81b62a30c85bee453592cd6495f1"},"schema_version":"1.0","source":{"id":"2207.04021","kind":"arxiv","version":1}},"canonical_sha256":"3947f6b999d3d23386b50a3621cef29beed3fbee56e4b384be4ddd51f3dfbc5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3947f6b999d3d23386b50a3621cef29beed3fbee56e4b384be4ddd51f3dfbc5c","first_computed_at":"2026-07-05T04:38:39.089924Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:38:39.089924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z27rXZ7ZGE0dshXXj6ak4LYUjldf44jv9c6G9jfKwRIhrwbJn0PJp4W1vn6zw57w6Oa+P8UYYtQmz3QnoxY+BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:38:39.090429Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.04021","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc62a2b42234a85d0bdfef6a14b30000fb19ecf9c31915e5afdc6b1391a56e73","sha256:ac3b8f42c9f7ee672f64fbdfda0de95119c5f1cca690a9d4ffc2400dfe736027"],"state_sha256":"3c1790abbf092251e1d72d0234d2a99889fd3b719c1258321b935699889204bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XAVz7Hs60HDH2qRA+0cLU2H+UFUP0VAbUKlPhKbd33PYDiZU+pNeYYOPMZyXXd8m3Ys91yO0dT82v64v3B8UAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T15:56:39.539570Z","bundle_sha256":"12f7e26e440af24904243090144f67c5d237b67dd24e90f2e1f637c059d77617"}}