{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:3MOF5NRWDUTY4OSEJJWDZ3LS46","short_pith_number":"pith:3MOF5NRW","canonical_record":{"source":{"id":"1606.06840","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-06-22T07:50:05Z","cross_cats_sorted":[],"title_canon_sha256":"b046fdebc3d95532d10c28ebe307bf30b3f8427e6184bc7b4dcb358e2c411b84","abstract_canon_sha256":"f028664d976391c2a1241a9ad4e5f320d6cbeb880553f866c5bf7833253801c6"},"schema_version":"1.0"},"canonical_sha256":"db1c5eb6361d278e3a444a6c3ced72e7ab3de70f3c980e1b62579940c4fc9aed","source":{"kind":"arxiv","id":"1606.06840","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.06840","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"arxiv_version","alias_value":"1606.06840v1","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.06840","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"pith_short_12","alias_value":"3MOF5NRWDUTY","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3MOF5NRWDUTY4OSE","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3MOF5NRW","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:3MOF5NRWDUTY4OSEJJWDZ3LS46","target":"record","payload":{"canonical_record":{"source":{"id":"1606.06840","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-06-22T07:50:05Z","cross_cats_sorted":[],"title_canon_sha256":"b046fdebc3d95532d10c28ebe307bf30b3f8427e6184bc7b4dcb358e2c411b84","abstract_canon_sha256":"f028664d976391c2a1241a9ad4e5f320d6cbeb880553f866c5bf7833253801c6"},"schema_version":"1.0"},"canonical_sha256":"db1c5eb6361d278e3a444a6c3ced72e7ab3de70f3c980e1b62579940c4fc9aed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:01.021974Z","signature_b64":"ATm7qAiG5SCXR7Xt6PFJh8PRJh6x2kh435haklj1anpWof1cr26iVAWbnXXXUvghkvYsJn58Jv0R8QgQCJ1gAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db1c5eb6361d278e3a444a6c3ced72e7ab3de70f3c980e1b62579940c4fc9aed","last_reissued_at":"2026-05-18T01:12:01.021632Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:01.021632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.06840","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":"2026-05-18T01:12:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iOPsbTrh/L2Cl2qnZ0i8Vs6TIeLSxz8eTe9aJKStMzxeME2KwfHDNRxRMj9U4oXg84koIKQV7cDZBxmA7RNoAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T14:10:07.260337Z"},"content_sha256":"4f97523967d59e24a587d4880534e44c339fea802929d73745da50998a17eae0","schema_version":"1.0","event_id":"sha256:4f97523967d59e24a587d4880534e44c339fea802929d73745da50998a17eae0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:3MOF5NRWDUTY4OSEJJWDZ3LS46","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Person Identification Based on Hand Tremor Characteristics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Adrian Zamfir, Corneliu Florea, Oana Miu","submitted_at":"2016-06-22T07:50:05Z","abstract_excerpt":"A plethora of biometric measures have been proposed in the past. In this paper we introduce a new potential biometric measure: the human tremor. We present a new method for identifying the user of a handheld device using characteristics of the hand tremor measured with a smartphone built-in inertial sensors (accelerometers and gyroscopes). The main challenge of the proposed method is related to the fact that human normal tremor is very subtle while we aim to address real-life scenarios. To properly address the issue, we have relied on weighted Fourier linear combiner for retrieving only the tr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.06840","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":"2026-05-18T01:12:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OmGRWdO8Tc8zLbJd29BZLiNAMjo3W7BEP9Txf/4KOrW+hVvmAnck3Lzwn+UQjVXqae3f1XxMx7sIjOiQXOPoAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T14:10:07.260692Z"},"content_sha256":"71d36f01be28f5b6fb4a71cd731bfe57d02175ba51e0fee53ea12ada43bf5500","schema_version":"1.0","event_id":"sha256:71d36f01be28f5b6fb4a71cd731bfe57d02175ba51e0fee53ea12ada43bf5500"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3MOF5NRWDUTY4OSEJJWDZ3LS46/bundle.json","state_url":"https://pith.science/pith/3MOF5NRWDUTY4OSEJJWDZ3LS46/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3MOF5NRWDUTY4OSEJJWDZ3LS46/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":"2026-06-25T14:10:07Z","links":{"resolver":"https://pith.science/pith/3MOF5NRWDUTY4OSEJJWDZ3LS46","bundle":"https://pith.science/pith/3MOF5NRWDUTY4OSEJJWDZ3LS46/bundle.json","state":"https://pith.science/pith/3MOF5NRWDUTY4OSEJJWDZ3LS46/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3MOF5NRWDUTY4OSEJJWDZ3LS46/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:3MOF5NRWDUTY4OSEJJWDZ3LS46","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":"f028664d976391c2a1241a9ad4e5f320d6cbeb880553f866c5bf7833253801c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-06-22T07:50:05Z","title_canon_sha256":"b046fdebc3d95532d10c28ebe307bf30b3f8427e6184bc7b4dcb358e2c411b84"},"schema_version":"1.0","source":{"id":"1606.06840","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.06840","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"arxiv_version","alias_value":"1606.06840v1","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.06840","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"pith_short_12","alias_value":"3MOF5NRWDUTY","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3MOF5NRWDUTY4OSE","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3MOF5NRW","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:71d36f01be28f5b6fb4a71cd731bfe57d02175ba51e0fee53ea12ada43bf5500","target":"graph","created_at":"2026-05-18T01:12:01Z","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":"A plethora of biometric measures have been proposed in the past. In this paper we introduce a new potential biometric measure: the human tremor. We present a new method for identifying the user of a handheld device using characteristics of the hand tremor measured with a smartphone built-in inertial sensors (accelerometers and gyroscopes). The main challenge of the proposed method is related to the fact that human normal tremor is very subtle while we aim to address real-life scenarios. To properly address the issue, we have relied on weighted Fourier linear combiner for retrieving only the tr","authors_text":"Adrian Zamfir, Corneliu Florea, Oana Miu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-06-22T07:50:05Z","title":"Person Identification Based on Hand Tremor Characteristics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.06840","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":"sha256:4f97523967d59e24a587d4880534e44c339fea802929d73745da50998a17eae0","target":"record","created_at":"2026-05-18T01:12:01Z","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":"f028664d976391c2a1241a9ad4e5f320d6cbeb880553f866c5bf7833253801c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-06-22T07:50:05Z","title_canon_sha256":"b046fdebc3d95532d10c28ebe307bf30b3f8427e6184bc7b4dcb358e2c411b84"},"schema_version":"1.0","source":{"id":"1606.06840","kind":"arxiv","version":1}},"canonical_sha256":"db1c5eb6361d278e3a444a6c3ced72e7ab3de70f3c980e1b62579940c4fc9aed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db1c5eb6361d278e3a444a6c3ced72e7ab3de70f3c980e1b62579940c4fc9aed","first_computed_at":"2026-05-18T01:12:01.021632Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:01.021632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ATm7qAiG5SCXR7Xt6PFJh8PRJh6x2kh435haklj1anpWof1cr26iVAWbnXXXUvghkvYsJn58Jv0R8QgQCJ1gAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:01.021974Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.06840","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f97523967d59e24a587d4880534e44c339fea802929d73745da50998a17eae0","sha256:71d36f01be28f5b6fb4a71cd731bfe57d02175ba51e0fee53ea12ada43bf5500"],"state_sha256":"fa9fbc2b17c342f706f88a81c8210e3652eae2a9584fd56ab5122ee28f3b41b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wFgJEEYGVhamPESTnXPfsjkoq54fVGWcZplHeUhUnalxADParaKPy70SqisZJ5ozd5hTu6B6uEe/dAKjXKVSAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T14:10:07.262681Z","bundle_sha256":"20c7607c4614c9d7ad4205bf4fd5281e3eb075df1b9cddad68c680f08ad2e5c1"}}