{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HD7SZKSRF3TLZ3LAIZSVSIE5ZJ","short_pith_number":"pith:HD7SZKSR","canonical_record":{"source":{"id":"1808.06543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2018-08-20T16:06:31Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"5e76c8be6b6cab86791c33555c4e37eaac5ecee053f73f0a2f57bbeb2b564e93","abstract_canon_sha256":"40c0a0d5e6c2941345ec0085915f2a80b221ad0152f113c26bbcce45fb7f8915"},"schema_version":"1.0"},"canonical_sha256":"38ff2caa512ee6bced60466559209dca77982aea018eb68492e347eb31a3293e","source":{"kind":"arxiv","id":"1808.06543","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.06543","created_at":"2026-05-17T23:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"1808.06543v1","created_at":"2026-05-17T23:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.06543","created_at":"2026-05-17T23:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"HD7SZKSRF3TL","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HD7SZKSRF3TLZ3LA","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HD7SZKSR","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HD7SZKSRF3TLZ3LAIZSVSIE5ZJ","target":"record","payload":{"canonical_record":{"source":{"id":"1808.06543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2018-08-20T16:06:31Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"5e76c8be6b6cab86791c33555c4e37eaac5ecee053f73f0a2f57bbeb2b564e93","abstract_canon_sha256":"40c0a0d5e6c2941345ec0085915f2a80b221ad0152f113c26bbcce45fb7f8915"},"schema_version":"1.0"},"canonical_sha256":"38ff2caa512ee6bced60466559209dca77982aea018eb68492e347eb31a3293e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:53.895138Z","signature_b64":"cohGH0qqLgzivkiHM0P67CGSQ+fCPIvFwFw7Gx1RWfn2veOAp6zRFOoUtR7Mv+dtMFDbtCVhujaYMRXxkqR5AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38ff2caa512ee6bced60466559209dca77982aea018eb68492e347eb31a3293e","last_reissued_at":"2026-05-17T23:41:53.894765Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:53.894765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.06543","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":"2026-05-17T23:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X2FZ/XERjsZ6bV/3FM62PjJGRtcnCgUxiZLizDujm/GaduARtrPCMU9XNqbnP8li8YeiLJhVxGyCvfpe/XrHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:17:11.884461Z"},"content_sha256":"e1da0a25cc84611b7bad840e5d0d3e27ac102b2dd57b3d0b372dbec1cadb996d","schema_version":"1.0","event_id":"sha256:e1da0a25cc84611b7bad840e5d0d3e27ac102b2dd57b3d0b372dbec1cadb996d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HD7SZKSRF3TLZ3LAIZSVSIE5ZJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proprioceptive Sonomyographic Control: A novel method of intuitive proportional control of multiple degrees of freedom for upper-extremity amputees","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.HC"],"primary_cat":"cs.RO","authors_text":"Ananya S. Dhawan, Biswarup Mukherjee, Gyorgy Levay, Michelle Harris-Love, Nima Akhlaghi, Rahsaan Holley, Shriniwas Patwardhan, Siddhartha Sikdar, Wilsaan Joiner","submitted_at":"2018-08-20T16:06:31Z","abstract_excerpt":"Technological advances in multi-articulated prosthetic hands have outpaced the methods available to amputees to intuitively control these devices. Amputees often cite difficulty of use as a key contributing factor for abandoning their prosthesis, creating a pressing need for improved control technology. A major challenge of traditional myoelectric control strategies using surface electromyography electrodes has been the difficulty in achieving intuitive and robust proportional control of multiple degrees of freedom. In this paper, we describe a new control method, proprioceptive sonomyographic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.06543","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":"2026-05-17T23:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8RS1b58UmpGZNg0RXmT3jDgpAiMHwSvLNdmKYoWmsN6SjwqJEQ4BksXiorHbS0MAA/819HEnVPaEiQAVo1GlCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:17:11.885102Z"},"content_sha256":"6048844f5b923cb0fcaa2b6c67940dfe50604b37922c40f45207f01553164cbe","schema_version":"1.0","event_id":"sha256:6048844f5b923cb0fcaa2b6c67940dfe50604b37922c40f45207f01553164cbe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HD7SZKSRF3TLZ3LAIZSVSIE5ZJ/bundle.json","state_url":"https://pith.science/pith/HD7SZKSRF3TLZ3LAIZSVSIE5ZJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HD7SZKSRF3TLZ3LAIZSVSIE5ZJ/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":"2026-05-26T19:17:11Z","links":{"resolver":"https://pith.science/pith/HD7SZKSRF3TLZ3LAIZSVSIE5ZJ","bundle":"https://pith.science/pith/HD7SZKSRF3TLZ3LAIZSVSIE5ZJ/bundle.json","state":"https://pith.science/pith/HD7SZKSRF3TLZ3LAIZSVSIE5ZJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HD7SZKSRF3TLZ3LAIZSVSIE5ZJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HD7SZKSRF3TLZ3LAIZSVSIE5ZJ","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":"40c0a0d5e6c2941345ec0085915f2a80b221ad0152f113c26bbcce45fb7f8915","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2018-08-20T16:06:31Z","title_canon_sha256":"5e76c8be6b6cab86791c33555c4e37eaac5ecee053f73f0a2f57bbeb2b564e93"},"schema_version":"1.0","source":{"id":"1808.06543","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.06543","created_at":"2026-05-17T23:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"1808.06543v1","created_at":"2026-05-17T23:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.06543","created_at":"2026-05-17T23:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"HD7SZKSRF3TL","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HD7SZKSRF3TLZ3LA","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HD7SZKSR","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:6048844f5b923cb0fcaa2b6c67940dfe50604b37922c40f45207f01553164cbe","target":"graph","created_at":"2026-05-17T23:41:53Z","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":"Technological advances in multi-articulated prosthetic hands have outpaced the methods available to amputees to intuitively control these devices. Amputees often cite difficulty of use as a key contributing factor for abandoning their prosthesis, creating a pressing need for improved control technology. A major challenge of traditional myoelectric control strategies using surface electromyography electrodes has been the difficulty in achieving intuitive and robust proportional control of multiple degrees of freedom. In this paper, we describe a new control method, proprioceptive sonomyographic","authors_text":"Ananya S. Dhawan, Biswarup Mukherjee, Gyorgy Levay, Michelle Harris-Love, Nima Akhlaghi, Rahsaan Holley, Shriniwas Patwardhan, Siddhartha Sikdar, Wilsaan Joiner","cross_cats":["cs.HC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2018-08-20T16:06:31Z","title":"Proprioceptive Sonomyographic Control: A novel method of intuitive proportional control of multiple degrees of freedom for upper-extremity amputees"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.06543","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:e1da0a25cc84611b7bad840e5d0d3e27ac102b2dd57b3d0b372dbec1cadb996d","target":"record","created_at":"2026-05-17T23:41:53Z","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":"40c0a0d5e6c2941345ec0085915f2a80b221ad0152f113c26bbcce45fb7f8915","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2018-08-20T16:06:31Z","title_canon_sha256":"5e76c8be6b6cab86791c33555c4e37eaac5ecee053f73f0a2f57bbeb2b564e93"},"schema_version":"1.0","source":{"id":"1808.06543","kind":"arxiv","version":1}},"canonical_sha256":"38ff2caa512ee6bced60466559209dca77982aea018eb68492e347eb31a3293e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38ff2caa512ee6bced60466559209dca77982aea018eb68492e347eb31a3293e","first_computed_at":"2026-05-17T23:41:53.894765Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:53.894765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cohGH0qqLgzivkiHM0P67CGSQ+fCPIvFwFw7Gx1RWfn2veOAp6zRFOoUtR7Mv+dtMFDbtCVhujaYMRXxkqR5AA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:53.895138Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.06543","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1da0a25cc84611b7bad840e5d0d3e27ac102b2dd57b3d0b372dbec1cadb996d","sha256:6048844f5b923cb0fcaa2b6c67940dfe50604b37922c40f45207f01553164cbe"],"state_sha256":"69b24c63f725401356e66ba47a0c3667640817de362b19c36424770454167494"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6XET+EKzj+MfQEFUYN9QRuRqtHePx8NFtrtBYwQNTZN1J/cS6UTvIknqjFCkSO3y+2p6aKF0m0y6ZQqL+db+Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:17:11.888187Z","bundle_sha256":"4ee8be2569dedac194c975fd915dd6b7b05ec5a118dd04dda7d92d2c240f51de"}}