{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:52PRVUZ5GBBPWM6BNYWRHVX5RA","short_pith_number":"pith:52PRVUZ5","canonical_record":{"source":{"id":"1206.0555","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2012-06-04T09:11:24Z","cross_cats_sorted":[],"title_canon_sha256":"a64ada602037ecc7ca932859c3aa94ab6467fcbfc2898206d6a5ae8b5413175c","abstract_canon_sha256":"838c7f51b1e95876a01200e07b911ebde4e0ec4347d92ac6994d98e93c9e5faf"},"schema_version":"1.0"},"canonical_sha256":"ee9f1ad33d3042fb33c16e2d13d6fd882d02ec89a4db96afc916444fe8e11361","source":{"kind":"arxiv","id":"1206.0555","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.0555","created_at":"2026-05-18T03:54:17Z"},{"alias_kind":"arxiv_version","alias_value":"1206.0555v1","created_at":"2026-05-18T03:54:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0555","created_at":"2026-05-18T03:54:17Z"},{"alias_kind":"pith_short_12","alias_value":"52PRVUZ5GBBP","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"52PRVUZ5GBBPWM6B","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"52PRVUZ5","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:52PRVUZ5GBBPWM6BNYWRHVX5RA","target":"record","payload":{"canonical_record":{"source":{"id":"1206.0555","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2012-06-04T09:11:24Z","cross_cats_sorted":[],"title_canon_sha256":"a64ada602037ecc7ca932859c3aa94ab6467fcbfc2898206d6a5ae8b5413175c","abstract_canon_sha256":"838c7f51b1e95876a01200e07b911ebde4e0ec4347d92ac6994d98e93c9e5faf"},"schema_version":"1.0"},"canonical_sha256":"ee9f1ad33d3042fb33c16e2d13d6fd882d02ec89a4db96afc916444fe8e11361","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:54:17.361386Z","signature_b64":"gD1PEY/JpqtGS0eCGYMlMJhboVKl3+ox6Iz31laOx/bichKUCCP0d57WnkuyUkNGFbcqGHkRBPFVDEGn0XoFCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee9f1ad33d3042fb33c16e2d13d6fd882d02ec89a4db96afc916444fe8e11361","last_reissued_at":"2026-05-18T03:54:17.360502Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:54:17.360502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.0555","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":"2026-05-18T03:54:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iF4x2tNkzIHHGN3EYVk4vvkHZDixFuplFSaNNWnszPJKZ/n6DPcSL/uZWtY0S45C0j3zb/ZpJa0sSOPkh0FjAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:23:26.587209Z"},"content_sha256":"2155a2d09e91d367dec74692837ddee634eed5dd272ac69e7a57e53982f20601","schema_version":"1.0","event_id":"sha256:2155a2d09e91d367dec74692837ddee634eed5dd272ac69e7a57e53982f20601"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:52PRVUZ5GBBPWM6BNYWRHVX5RA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Synergy-based Hand Pose Sensing: Reconstruction Enhancement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.RO","authors_text":"Antonio Bicchi, Matteo Bianchi, Paolo Salaris","submitted_at":"2012-06-04T09:11:24Z","abstract_excerpt":"Low-cost sensing gloves for reconstruction posture provide measurements which are limited under several regards. They are generated through an imperfectly known model, are subject to noise, and may be less than the number of Degrees of Freedom (DoFs) of the hand. Under these conditions, direct reconstruction of the hand posture is an ill-posed problem, and performance can be very poor. This paper examines the problem of estimating the posture of a human hand using(low-cost) sensing gloves, and how to improve their performance by exploiting the knowledge on how humans most frequently use their "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0555","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":"2026-05-18T03:54:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"maC2qyjLVbs4a9JUNwgOVSSltXpiSSGsmYP2Gw3YKDpqrV/BWnzhxqxtNWq5Dkyg1J1MOZ4NmhtqOp200BvZBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:23:26.587594Z"},"content_sha256":"4c9cfa066be0652b5f722b43e666507dccce4f527143ce0e8f8a6efc52388d27","schema_version":"1.0","event_id":"sha256:4c9cfa066be0652b5f722b43e666507dccce4f527143ce0e8f8a6efc52388d27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/52PRVUZ5GBBPWM6BNYWRHVX5RA/bundle.json","state_url":"https://pith.science/pith/52PRVUZ5GBBPWM6BNYWRHVX5RA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/52PRVUZ5GBBPWM6BNYWRHVX5RA/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":"2026-05-27T20:23:26Z","links":{"resolver":"https://pith.science/pith/52PRVUZ5GBBPWM6BNYWRHVX5RA","bundle":"https://pith.science/pith/52PRVUZ5GBBPWM6BNYWRHVX5RA/bundle.json","state":"https://pith.science/pith/52PRVUZ5GBBPWM6BNYWRHVX5RA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/52PRVUZ5GBBPWM6BNYWRHVX5RA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:52PRVUZ5GBBPWM6BNYWRHVX5RA","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":"838c7f51b1e95876a01200e07b911ebde4e0ec4347d92ac6994d98e93c9e5faf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2012-06-04T09:11:24Z","title_canon_sha256":"a64ada602037ecc7ca932859c3aa94ab6467fcbfc2898206d6a5ae8b5413175c"},"schema_version":"1.0","source":{"id":"1206.0555","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.0555","created_at":"2026-05-18T03:54:17Z"},{"alias_kind":"arxiv_version","alias_value":"1206.0555v1","created_at":"2026-05-18T03:54:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0555","created_at":"2026-05-18T03:54:17Z"},{"alias_kind":"pith_short_12","alias_value":"52PRVUZ5GBBP","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"52PRVUZ5GBBPWM6B","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"52PRVUZ5","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:4c9cfa066be0652b5f722b43e666507dccce4f527143ce0e8f8a6efc52388d27","target":"graph","created_at":"2026-05-18T03:54:17Z","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":"Low-cost sensing gloves for reconstruction posture provide measurements which are limited under several regards. They are generated through an imperfectly known model, are subject to noise, and may be less than the number of Degrees of Freedom (DoFs) of the hand. Under these conditions, direct reconstruction of the hand posture is an ill-posed problem, and performance can be very poor. This paper examines the problem of estimating the posture of a human hand using(low-cost) sensing gloves, and how to improve their performance by exploiting the knowledge on how humans most frequently use their ","authors_text":"Antonio Bicchi, Matteo Bianchi, Paolo Salaris","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2012-06-04T09:11:24Z","title":"Synergy-based Hand Pose Sensing: Reconstruction Enhancement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0555","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":"sha256:2155a2d09e91d367dec74692837ddee634eed5dd272ac69e7a57e53982f20601","target":"record","created_at":"2026-05-18T03:54:17Z","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":"838c7f51b1e95876a01200e07b911ebde4e0ec4347d92ac6994d98e93c9e5faf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2012-06-04T09:11:24Z","title_canon_sha256":"a64ada602037ecc7ca932859c3aa94ab6467fcbfc2898206d6a5ae8b5413175c"},"schema_version":"1.0","source":{"id":"1206.0555","kind":"arxiv","version":1}},"canonical_sha256":"ee9f1ad33d3042fb33c16e2d13d6fd882d02ec89a4db96afc916444fe8e11361","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee9f1ad33d3042fb33c16e2d13d6fd882d02ec89a4db96afc916444fe8e11361","first_computed_at":"2026-05-18T03:54:17.360502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:54:17.360502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gD1PEY/JpqtGS0eCGYMlMJhboVKl3+ox6Iz31laOx/bichKUCCP0d57WnkuyUkNGFbcqGHkRBPFVDEGn0XoFCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:54:17.361386Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.0555","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2155a2d09e91d367dec74692837ddee634eed5dd272ac69e7a57e53982f20601","sha256:4c9cfa066be0652b5f722b43e666507dccce4f527143ce0e8f8a6efc52388d27"],"state_sha256":"749192b0d318148a6b0d3d6bad05ba52cfad23a46fb20635b87061f3b64f96f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OMHQCvQcjF35/z6XN2MvdLXZNnoZirOjWnI69fKxeOZ1ZknKHjHNVCjWwZgSyq9DcQ5uMuz6of1FMvZZRj1dDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:23:26.590432Z","bundle_sha256":"20cc120f19299851ea65302361a23b6a41c5d019762295dedce5beac0bb6ee26"}}