{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:E5XZKZQO4PMLTIFPS765ILTXAG","short_pith_number":"pith:E5XZKZQO","canonical_record":{"source":{"id":"1606.02711","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2016-06-08T14:21:53Z","cross_cats_sorted":[],"title_canon_sha256":"155a5e67846cc8370f8709300a487c6cba6022e31b002d64e3815b2f3b99ba75","abstract_canon_sha256":"30689b4829662e03d022bdb43f153e4c3f539c373ee20d366b19454332345598"},"schema_version":"1.0"},"canonical_sha256":"276f95660ee3d8b9a0af97fdd42e7701ba7cd7ab579eb096e1ec27046c45928e","source":{"kind":"arxiv","id":"1606.02711","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.02711","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"arxiv_version","alias_value":"1606.02711v1","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.02711","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"pith_short_12","alias_value":"E5XZKZQO4PML","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"E5XZKZQO4PMLTIFP","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"E5XZKZQO","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:E5XZKZQO4PMLTIFPS765ILTXAG","target":"record","payload":{"canonical_record":{"source":{"id":"1606.02711","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2016-06-08T14:21:53Z","cross_cats_sorted":[],"title_canon_sha256":"155a5e67846cc8370f8709300a487c6cba6022e31b002d64e3815b2f3b99ba75","abstract_canon_sha256":"30689b4829662e03d022bdb43f153e4c3f539c373ee20d366b19454332345598"},"schema_version":"1.0"},"canonical_sha256":"276f95660ee3d8b9a0af97fdd42e7701ba7cd7ab579eb096e1ec27046c45928e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:40.120619Z","signature_b64":"69gEHS1k2boEML/yEkD9NFWI6sCA1BKdnGXirjJKigbghMZzpNvaGb3cxbQ5ZvuGRbobPKlzyyOfmhKEqeueDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"276f95660ee3d8b9a0af97fdd42e7701ba7cd7ab579eb096e1ec27046c45928e","last_reissued_at":"2026-05-18T01:12:40.120241Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:40.120241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.02711","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":"2026-05-18T01:12:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s/W31kIMVLeFPBMh+Ocb2LCi+7sN+japiNFM5rYmybDmsjQz7JVhBZYUY7F0sQPKy0xP1flUGdTMlAfC67x0DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:25:29.162666Z"},"content_sha256":"4176de01208e349cb3e159b387c183539be3356d0b28f0cfd8ed9a36089dc4d4","schema_version":"1.0","event_id":"sha256:4176de01208e349cb3e159b387c183539be3356d0b28f0cfd8ed9a36089dc4d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:E5XZKZQO4PMLTIFPS765ILTXAG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ChinMotion Rapidly Enables 3D Computer Interaction after Tetraplegia","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Ferran Gal\\'an, Monica A. Perez, Stuart N. Baker","submitted_at":"2016-06-08T14:21:53Z","abstract_excerpt":"Individuals with severe paralysis require hands-free interfaces to control assistive devices that can improve their quality of life. We present ChinMotion, an interface that noninvasively harnesses preserved chin, lip and tongue sensorimotor function after tetraplegia to convey intuitive control commands. After two hours of practice, ChinMotion enables superior point-and-click performance over existing interfaces and it facilitates accurate 3D control of a virtual robotic arm."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.02711","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":"2026-05-18T01:12:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hJvphj6MPowUBjjC+u6hYfWAOkG5PP5vG/Mb7IAF4PQBV2horbemM+AOS+HU5aLpTXM0l1MOUltzWiEi0cWRCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:25:29.163020Z"},"content_sha256":"d6fc7620855c1a328c816844a05edc2ec942b47da6f3f7618daf06e9a2cb2905","schema_version":"1.0","event_id":"sha256:d6fc7620855c1a328c816844a05edc2ec942b47da6f3f7618daf06e9a2cb2905"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E5XZKZQO4PMLTIFPS765ILTXAG/bundle.json","state_url":"https://pith.science/pith/E5XZKZQO4PMLTIFPS765ILTXAG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E5XZKZQO4PMLTIFPS765ILTXAG/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":"2026-06-02T05:25:29Z","links":{"resolver":"https://pith.science/pith/E5XZKZQO4PMLTIFPS765ILTXAG","bundle":"https://pith.science/pith/E5XZKZQO4PMLTIFPS765ILTXAG/bundle.json","state":"https://pith.science/pith/E5XZKZQO4PMLTIFPS765ILTXAG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E5XZKZQO4PMLTIFPS765ILTXAG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:E5XZKZQO4PMLTIFPS765ILTXAG","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":"30689b4829662e03d022bdb43f153e4c3f539c373ee20d366b19454332345598","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2016-06-08T14:21:53Z","title_canon_sha256":"155a5e67846cc8370f8709300a487c6cba6022e31b002d64e3815b2f3b99ba75"},"schema_version":"1.0","source":{"id":"1606.02711","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.02711","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"arxiv_version","alias_value":"1606.02711v1","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.02711","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"pith_short_12","alias_value":"E5XZKZQO4PML","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"E5XZKZQO4PMLTIFP","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"E5XZKZQO","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:d6fc7620855c1a328c816844a05edc2ec942b47da6f3f7618daf06e9a2cb2905","target":"graph","created_at":"2026-05-18T01:12:40Z","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":"Individuals with severe paralysis require hands-free interfaces to control assistive devices that can improve their quality of life. We present ChinMotion, an interface that noninvasively harnesses preserved chin, lip and tongue sensorimotor function after tetraplegia to convey intuitive control commands. After two hours of practice, ChinMotion enables superior point-and-click performance over existing interfaces and it facilitates accurate 3D control of a virtual robotic arm.","authors_text":"Ferran Gal\\'an, Monica A. Perez, Stuart N. Baker","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2016-06-08T14:21:53Z","title":"ChinMotion Rapidly Enables 3D Computer Interaction after Tetraplegia"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.02711","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":"sha256:4176de01208e349cb3e159b387c183539be3356d0b28f0cfd8ed9a36089dc4d4","target":"record","created_at":"2026-05-18T01:12:40Z","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":"30689b4829662e03d022bdb43f153e4c3f539c373ee20d366b19454332345598","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2016-06-08T14:21:53Z","title_canon_sha256":"155a5e67846cc8370f8709300a487c6cba6022e31b002d64e3815b2f3b99ba75"},"schema_version":"1.0","source":{"id":"1606.02711","kind":"arxiv","version":1}},"canonical_sha256":"276f95660ee3d8b9a0af97fdd42e7701ba7cd7ab579eb096e1ec27046c45928e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"276f95660ee3d8b9a0af97fdd42e7701ba7cd7ab579eb096e1ec27046c45928e","first_computed_at":"2026-05-18T01:12:40.120241Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:40.120241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"69gEHS1k2boEML/yEkD9NFWI6sCA1BKdnGXirjJKigbghMZzpNvaGb3cxbQ5ZvuGRbobPKlzyyOfmhKEqeueDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:40.120619Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.02711","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4176de01208e349cb3e159b387c183539be3356d0b28f0cfd8ed9a36089dc4d4","sha256:d6fc7620855c1a328c816844a05edc2ec942b47da6f3f7618daf06e9a2cb2905"],"state_sha256":"7ec7a062fe614cb783248d418d5e584f9357678ed4338d5a47cd27271e742553"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9chzwEOepaeayIklGwWQaRbtUw8lKaOIzxWjlHt3Cwzlym9zOGncwhcv9l4T3zqynpK/kR9paIe3xpo5xsaiBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T05:25:29.165283Z","bundle_sha256":"d4d83630491f061fefc64f76199115ab22c52f5e5da3685d61084e887af6afd7"}}