{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UEO2D5YN7PAAGH22MXLNR52B5Y","short_pith_number":"pith:UEO2D5YN","canonical_record":{"source":{"id":"1509.04751","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2015-09-15T21:54:21Z","cross_cats_sorted":["cs.CV","cs.HC"],"title_canon_sha256":"5d2e4e85698282945c5d3e41b07ff7f6a365751a8e9088b524acc0969cda47a4","abstract_canon_sha256":"80236c9d1b2b5513ac98bafaa65ec8c434d090bdf274baab9b89abefadb951f3"},"schema_version":"1.0"},"canonical_sha256":"a11da1f70dfbc0031f5a65d6d8f741ee03be1e2916bf8e9441c7c4b91ab2c110","source":{"kind":"arxiv","id":"1509.04751","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04751","created_at":"2026-05-18T01:32:51Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04751v1","created_at":"2026-05-18T01:32:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04751","created_at":"2026-05-18T01:32:51Z"},{"alias_kind":"pith_short_12","alias_value":"UEO2D5YN7PAA","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UEO2D5YN7PAAGH22","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UEO2D5YN","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UEO2D5YN7PAAGH22MXLNR52B5Y","target":"record","payload":{"canonical_record":{"source":{"id":"1509.04751","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2015-09-15T21:54:21Z","cross_cats_sorted":["cs.CV","cs.HC"],"title_canon_sha256":"5d2e4e85698282945c5d3e41b07ff7f6a365751a8e9088b524acc0969cda47a4","abstract_canon_sha256":"80236c9d1b2b5513ac98bafaa65ec8c434d090bdf274baab9b89abefadb951f3"},"schema_version":"1.0"},"canonical_sha256":"a11da1f70dfbc0031f5a65d6d8f741ee03be1e2916bf8e9441c7c4b91ab2c110","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:51.812520Z","signature_b64":"y5V8ybvNPNr9jComMsCPC4PtNa6+fbJdCuCa8ij2jJQrO6RwyIeIIPoFSetI4EricSFaILL+lFYQgVJx/t4+AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a11da1f70dfbc0031f5a65d6d8f741ee03be1e2916bf8e9441c7c4b91ab2c110","last_reissued_at":"2026-05-18T01:32:51.811807Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:51.811807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.04751","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":"2026-05-18T01:32:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1y1zw4Nifzx4+KX4jVfaas8AiDul78jTAvIJK1v6rEvAwEzTaViRhLfm0xg8jR1TBZqoA7Xwy23a508o7fOLCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T01:02:42.322656Z"},"content_sha256":"6c6c563cf0138c34836de4b8e5640d101c3fdcec388e25ec7ffbae3c6adcdc26","schema_version":"1.0","event_id":"sha256:6c6c563cf0138c34836de4b8e5640d101c3fdcec388e25ec7ffbae3c6adcdc26"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UEO2D5YN7PAAGH22MXLNR52B5Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Free-body Gesture Tracking and Augmented Reality Improvisation for Floor and Aerial Dance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV","cs.HC"],"primary_cat":"cs.MM","authors_text":"Cheng-i Wang, Tammuz Dubnov","submitted_at":"2015-09-15T21:54:21Z","abstract_excerpt":"This paper describes an updated interactive performance system for floor and Aerial Dance that controls visual and sonic aspects of the presentation via a depth sensing camera (MS Kinect). In order to detect, measure and track free movement in space, 3 degree of freedom (3-DOF) tracking in space (on the ground and in the air) is performed using IR markers with a method for multi target tracking capabilities added and described in detail. An improved gesture tracking and recognition system, called Action Graph (AG), is described in the paper. Action Graph uses an efficient incremental construct"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04751","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":"2026-05-18T01:32:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RVhYGhPmAEO5FxArU0D2au5q8toFYpSxhCfp3YbsM0e2dwdSfpS51yyeZURzG1kko0p3uvN4JP5mdm8X01SGBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T01:02:42.322919Z"},"content_sha256":"ae33969affb5fe6beaa7a6e02fb242fbdd7d788be5787a93880bddee4b987277","schema_version":"1.0","event_id":"sha256:ae33969affb5fe6beaa7a6e02fb242fbdd7d788be5787a93880bddee4b987277"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UEO2D5YN7PAAGH22MXLNR52B5Y/bundle.json","state_url":"https://pith.science/pith/UEO2D5YN7PAAGH22MXLNR52B5Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UEO2D5YN7PAAGH22MXLNR52B5Y/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":"2026-08-01T01:02:42Z","links":{"resolver":"https://pith.science/pith/UEO2D5YN7PAAGH22MXLNR52B5Y","bundle":"https://pith.science/pith/UEO2D5YN7PAAGH22MXLNR52B5Y/bundle.json","state":"https://pith.science/pith/UEO2D5YN7PAAGH22MXLNR52B5Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UEO2D5YN7PAAGH22MXLNR52B5Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UEO2D5YN7PAAGH22MXLNR52B5Y","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":"80236c9d1b2b5513ac98bafaa65ec8c434d090bdf274baab9b89abefadb951f3","cross_cats_sorted":["cs.CV","cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2015-09-15T21:54:21Z","title_canon_sha256":"5d2e4e85698282945c5d3e41b07ff7f6a365751a8e9088b524acc0969cda47a4"},"schema_version":"1.0","source":{"id":"1509.04751","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04751","created_at":"2026-05-18T01:32:51Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04751v1","created_at":"2026-05-18T01:32:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04751","created_at":"2026-05-18T01:32:51Z"},{"alias_kind":"pith_short_12","alias_value":"UEO2D5YN7PAA","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UEO2D5YN7PAAGH22","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UEO2D5YN","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:ae33969affb5fe6beaa7a6e02fb242fbdd7d788be5787a93880bddee4b987277","target":"graph","created_at":"2026-05-18T01:32:51Z","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":"This paper describes an updated interactive performance system for floor and Aerial Dance that controls visual and sonic aspects of the presentation via a depth sensing camera (MS Kinect). In order to detect, measure and track free movement in space, 3 degree of freedom (3-DOF) tracking in space (on the ground and in the air) is performed using IR markers with a method for multi target tracking capabilities added and described in detail. An improved gesture tracking and recognition system, called Action Graph (AG), is described in the paper. Action Graph uses an efficient incremental construct","authors_text":"Cheng-i Wang, Tammuz Dubnov","cross_cats":["cs.CV","cs.HC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2015-09-15T21:54:21Z","title":"Free-body Gesture Tracking and Augmented Reality Improvisation for Floor and Aerial Dance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04751","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":"sha256:6c6c563cf0138c34836de4b8e5640d101c3fdcec388e25ec7ffbae3c6adcdc26","target":"record","created_at":"2026-05-18T01:32:51Z","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":"80236c9d1b2b5513ac98bafaa65ec8c434d090bdf274baab9b89abefadb951f3","cross_cats_sorted":["cs.CV","cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2015-09-15T21:54:21Z","title_canon_sha256":"5d2e4e85698282945c5d3e41b07ff7f6a365751a8e9088b524acc0969cda47a4"},"schema_version":"1.0","source":{"id":"1509.04751","kind":"arxiv","version":1}},"canonical_sha256":"a11da1f70dfbc0031f5a65d6d8f741ee03be1e2916bf8e9441c7c4b91ab2c110","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a11da1f70dfbc0031f5a65d6d8f741ee03be1e2916bf8e9441c7c4b91ab2c110","first_computed_at":"2026-05-18T01:32:51.811807Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:51.811807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y5V8ybvNPNr9jComMsCPC4PtNa6+fbJdCuCa8ij2jJQrO6RwyIeIIPoFSetI4EricSFaILL+lFYQgVJx/t4+AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:51.812520Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.04751","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c6c563cf0138c34836de4b8e5640d101c3fdcec388e25ec7ffbae3c6adcdc26","sha256:ae33969affb5fe6beaa7a6e02fb242fbdd7d788be5787a93880bddee4b987277"],"state_sha256":"9a9d1925cc9c69898b588c8d15b27b7de46115fe107ddca7e14eb67c1ad8d8f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E6Kgzywags3ZLmHv0tP5emqk9fC11OOZ8E8dJbubCyalXyUwmJjIrEL9HyBroYeuYCb7SHKysTqc2V5/c69XBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T01:02:42.327195Z","bundle_sha256":"806c78db27323aae3846456a8a3ca980cbc36cda2bf6123c37bbe64b41614f91"}}