{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:3TLVZ6QV42JV2WEOQXNLNBNEZM","short_pith_number":"pith:3TLVZ6QV","canonical_record":{"source":{"id":"1102.5225","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2011-02-25T12:29:51Z","cross_cats_sorted":["cs.HC","math.IT","physics.bio-ph","q-bio.NC"],"title_canon_sha256":"7bda637e3e32a3814962a7402fe528ef93f84434bf7e9544edcc3c345bcf2dd9","abstract_canon_sha256":"517c74e551bdc60ec986e6396279b77c89b722abbd0104aed7698ad93e54cecb"},"schema_version":"1.0"},"canonical_sha256":"dcd75cfa15e6935d588e85dab685a4cb16e11275bf369d0100c48b44c0f8c874","source":{"kind":"arxiv","id":"1102.5225","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.5225","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1102.5225v4","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.5225","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"3TLVZ6QV42JV","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"3TLVZ6QV42JV2WEO","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"3TLVZ6QV","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:3TLVZ6QV42JV2WEOQXNLNBNEZM","target":"record","payload":{"canonical_record":{"source":{"id":"1102.5225","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2011-02-25T12:29:51Z","cross_cats_sorted":["cs.HC","math.IT","physics.bio-ph","q-bio.NC"],"title_canon_sha256":"7bda637e3e32a3814962a7402fe528ef93f84434bf7e9544edcc3c345bcf2dd9","abstract_canon_sha256":"517c74e551bdc60ec986e6396279b77c89b722abbd0104aed7698ad93e54cecb"},"schema_version":"1.0"},"canonical_sha256":"dcd75cfa15e6935d588e85dab685a4cb16e11275bf369d0100c48b44c0f8c874","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:02:36.145205Z","signature_b64":"oHSqMxwwfaLHIRHQuSKpF07TnQFxo+FVV+rso0tR2jZvLNoOi1z+FbY7vyugX5AS2Uj+4XbAbSID5sruQ1vECA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcd75cfa15e6935d588e85dab685a4cb16e11275bf369d0100c48b44c0f8c874","last_reissued_at":"2026-05-18T04:02:36.141367Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:02:36.141367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.5225","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2NDMmmnS1WwSxy4AN3caRL4sRR6SjfPVUkYTVa0pDi/lC+pH/wFVBppiRL2FYTUrtvLMjW4ujivwVqTr9W85AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:10:16.100302Z"},"content_sha256":"b443a4adbfacc7ed344aff7c71d3628445cdeaace7b8465bfb4eed833997204a","schema_version":"1.0","event_id":"sha256:b443a4adbfacc7ed344aff7c71d3628445cdeaace7b8465bfb4eed833997204a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:3TLVZ6QV42JV2WEOQXNLNBNEZM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Let Us Dance Just a Little Bit More --- On the Information Capacity of the Human Motor System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.HC","math.IT","physics.bio-ph","q-bio.NC"],"primary_cat":"cs.IT","authors_text":"Antti Oulasvirta, Arttu Modig, Laura Lepp\\\"anen, Teemu Roos","submitted_at":"2011-02-25T12:29:51Z","abstract_excerpt":"Fitts' law is a fundamental tool in measuring the capacity of the human motor system. However, it is, by definition, limited to aimed movements toward spatially expanded targets. We revisit its information-theoretic basis with the goal of generalizing it into unconstrained trained movement such as dance and sports. The proposed new measure is based on a subject's ability to accurately reproduce a complex movement pattern. We demonstrate our framework using motion-capture data from professional dance performances."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.5225","kind":"arxiv","version":4},"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":"2026-05-18T04:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"my0xm9iKdMI47A0v/OS5+5nggBQD1nIJ00DIDUCPtrWeHq8o07IP5CvyEV9cRBCjOUdbebsLN7Edobm85pb5AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:10:16.101007Z"},"content_sha256":"e858b187c90ebb8769b8a04e57e0762869d27a9d0af7341c40470ce79c5004e6","schema_version":"1.0","event_id":"sha256:e858b187c90ebb8769b8a04e57e0762869d27a9d0af7341c40470ce79c5004e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3TLVZ6QV42JV2WEOQXNLNBNEZM/bundle.json","state_url":"https://pith.science/pith/3TLVZ6QV42JV2WEOQXNLNBNEZM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3TLVZ6QV42JV2WEOQXNLNBNEZM/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":"2026-05-27T06:10:16Z","links":{"resolver":"https://pith.science/pith/3TLVZ6QV42JV2WEOQXNLNBNEZM","bundle":"https://pith.science/pith/3TLVZ6QV42JV2WEOQXNLNBNEZM/bundle.json","state":"https://pith.science/pith/3TLVZ6QV42JV2WEOQXNLNBNEZM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3TLVZ6QV42JV2WEOQXNLNBNEZM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:3TLVZ6QV42JV2WEOQXNLNBNEZM","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":"517c74e551bdc60ec986e6396279b77c89b722abbd0104aed7698ad93e54cecb","cross_cats_sorted":["cs.HC","math.IT","physics.bio-ph","q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2011-02-25T12:29:51Z","title_canon_sha256":"7bda637e3e32a3814962a7402fe528ef93f84434bf7e9544edcc3c345bcf2dd9"},"schema_version":"1.0","source":{"id":"1102.5225","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.5225","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1102.5225v4","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.5225","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"3TLVZ6QV42JV","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"3TLVZ6QV42JV2WEO","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"3TLVZ6QV","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:e858b187c90ebb8769b8a04e57e0762869d27a9d0af7341c40470ce79c5004e6","target":"graph","created_at":"2026-05-18T04:02:36Z","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":"Fitts' law is a fundamental tool in measuring the capacity of the human motor system. However, it is, by definition, limited to aimed movements toward spatially expanded targets. We revisit its information-theoretic basis with the goal of generalizing it into unconstrained trained movement such as dance and sports. The proposed new measure is based on a subject's ability to accurately reproduce a complex movement pattern. We demonstrate our framework using motion-capture data from professional dance performances.","authors_text":"Antti Oulasvirta, Arttu Modig, Laura Lepp\\\"anen, Teemu Roos","cross_cats":["cs.HC","math.IT","physics.bio-ph","q-bio.NC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2011-02-25T12:29:51Z","title":"Let Us Dance Just a Little Bit More --- On the Information Capacity of the Human Motor System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.5225","kind":"arxiv","version":4},"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:b443a4adbfacc7ed344aff7c71d3628445cdeaace7b8465bfb4eed833997204a","target":"record","created_at":"2026-05-18T04:02:36Z","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":"517c74e551bdc60ec986e6396279b77c89b722abbd0104aed7698ad93e54cecb","cross_cats_sorted":["cs.HC","math.IT","physics.bio-ph","q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2011-02-25T12:29:51Z","title_canon_sha256":"7bda637e3e32a3814962a7402fe528ef93f84434bf7e9544edcc3c345bcf2dd9"},"schema_version":"1.0","source":{"id":"1102.5225","kind":"arxiv","version":4}},"canonical_sha256":"dcd75cfa15e6935d588e85dab685a4cb16e11275bf369d0100c48b44c0f8c874","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dcd75cfa15e6935d588e85dab685a4cb16e11275bf369d0100c48b44c0f8c874","first_computed_at":"2026-05-18T04:02:36.141367Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:02:36.141367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oHSqMxwwfaLHIRHQuSKpF07TnQFxo+FVV+rso0tR2jZvLNoOi1z+FbY7vyugX5AS2Uj+4XbAbSID5sruQ1vECA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:02:36.145205Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.5225","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b443a4adbfacc7ed344aff7c71d3628445cdeaace7b8465bfb4eed833997204a","sha256:e858b187c90ebb8769b8a04e57e0762869d27a9d0af7341c40470ce79c5004e6"],"state_sha256":"94e4e30c88af1a784e0e74b50d271dd77cdbec2c18d63229b820960aef5792df"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gt1En3QOSYY5xoHnbwC6AF+twHZUk8wgdU38ZEYu+26TaFoojksyZo2lInuAkHvC8MeI6C5snhiN7T98PrLiDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T06:10:16.105124Z","bundle_sha256":"1ae5b5778bcc14e260b8540094794207d595bb22d864957c2089a56812a9233a"}}