{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:RIOKMTBSHAYAARJFLO7AXFFCSB","short_pith_number":"pith:RIOKMTBS","canonical_record":{"source":{"id":"2402.05441","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-02-08T06:35:06Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"a1c1c8a0d39d8f726bdd31c0486690c2b3d94bf03c8b4faf5f1705f3bd233361","abstract_canon_sha256":"f3c1efab00860e77ecf8dd8b89dc8adb3e5d9ec101670fb6e1b987ee608c0b7e"},"schema_version":"1.0"},"canonical_sha256":"8a1ca64c3238300045255bbe0b94a2906cdfeb388ece33925d08e4d62fc9c5c4","source":{"kind":"arxiv","id":"2402.05441","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.05441","created_at":"2026-07-05T07:42:50Z"},{"alias_kind":"arxiv_version","alias_value":"2402.05441v1","created_at":"2026-07-05T07:42:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.05441","created_at":"2026-07-05T07:42:50Z"},{"alias_kind":"pith_short_12","alias_value":"RIOKMTBSHAYA","created_at":"2026-07-05T07:42:50Z"},{"alias_kind":"pith_short_16","alias_value":"RIOKMTBSHAYAARJF","created_at":"2026-07-05T07:42:50Z"},{"alias_kind":"pith_short_8","alias_value":"RIOKMTBS","created_at":"2026-07-05T07:42:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:RIOKMTBSHAYAARJFLO7AXFFCSB","target":"record","payload":{"canonical_record":{"source":{"id":"2402.05441","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-02-08T06:35:06Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"a1c1c8a0d39d8f726bdd31c0486690c2b3d94bf03c8b4faf5f1705f3bd233361","abstract_canon_sha256":"f3c1efab00860e77ecf8dd8b89dc8adb3e5d9ec101670fb6e1b987ee608c0b7e"},"schema_version":"1.0"},"canonical_sha256":"8a1ca64c3238300045255bbe0b94a2906cdfeb388ece33925d08e4d62fc9c5c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:42:50.381126Z","signature_b64":"HGV7F6VFTjjQipG0/gU3YiEoTWtHDAqmGrGXMKvxazil0Umzh6F130gslyd1NRO7o1VMw38NtHVUaY0vDJ21Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a1ca64c3238300045255bbe0b94a2906cdfeb388ece33925d08e4d62fc9c5c4","last_reissued_at":"2026-07-05T07:42:50.380726Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:42:50.380726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.05441","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":"2026-07-05T07:42:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VVxDN/XJucFMQZ8rQ8z74Ff4m18HxFwe6Tzxut2c50B3jEvQsBZWcGzEAgebk7xygoI6nX6UWHx0v3JguaC+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T09:47:11.310261Z"},"content_sha256":"4980ad74a4b3daa12192b16524f3186f4c7a504494e00828fc48d6211de7422f","schema_version":"1.0","event_id":"sha256:4980ad74a4b3daa12192b16524f3186f4c7a504494e00828fc48d6211de7422f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:RIOKMTBSHAYAARJFLO7AXFFCSB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spiking Neural Network Enhanced Hand Gesture Recognition Using Low-Cost Single-photon Avalanche Diode Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"David Day Uei Li, Xingda Li, Zhenya Zang","submitted_at":"2024-02-08T06:35:06Z","abstract_excerpt":"We present a compact spiking convolutional neural network (SCNN) and spiking multilayer perceptron (SMLP) to recognize ten different gestures in dark and bright light environments, using a $9.6 single-photon avalanche diode (SPAD) array. In our hand gesture recognition (HGR) system, photon intensity data was leveraged to train and test the network. A vanilla convolutional neural network (CNN) was also implemented to compare the performance of SCNN with the same network topologies and training strategies. Our SCNN was trained from scratch instead of being converted from the CNN. We tested the t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.05441","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2402.05441/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:42:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1rHdCm13Bfqa+qlezhOjyy3mqH7TFxktoY/Ph+Q1EUwOZPZooq5dY7PG8cDZ4r1yKjzmaM46Xf4lqKwPKwFKDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T09:47:11.310636Z"},"content_sha256":"30eebf2c3c9feffa32bdd0e665a0c05eda9c3496d5029ff4f02761438afd3ddf","schema_version":"1.0","event_id":"sha256:30eebf2c3c9feffa32bdd0e665a0c05eda9c3496d5029ff4f02761438afd3ddf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RIOKMTBSHAYAARJFLO7AXFFCSB/bundle.json","state_url":"https://pith.science/pith/RIOKMTBSHAYAARJFLO7AXFFCSB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RIOKMTBSHAYAARJFLO7AXFFCSB/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":"2026-07-10T09:47:11Z","links":{"resolver":"https://pith.science/pith/RIOKMTBSHAYAARJFLO7AXFFCSB","bundle":"https://pith.science/pith/RIOKMTBSHAYAARJFLO7AXFFCSB/bundle.json","state":"https://pith.science/pith/RIOKMTBSHAYAARJFLO7AXFFCSB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RIOKMTBSHAYAARJFLO7AXFFCSB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:RIOKMTBSHAYAARJFLO7AXFFCSB","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":"f3c1efab00860e77ecf8dd8b89dc8adb3e5d9ec101670fb6e1b987ee608c0b7e","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-02-08T06:35:06Z","title_canon_sha256":"a1c1c8a0d39d8f726bdd31c0486690c2b3d94bf03c8b4faf5f1705f3bd233361"},"schema_version":"1.0","source":{"id":"2402.05441","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.05441","created_at":"2026-07-05T07:42:50Z"},{"alias_kind":"arxiv_version","alias_value":"2402.05441v1","created_at":"2026-07-05T07:42:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.05441","created_at":"2026-07-05T07:42:50Z"},{"alias_kind":"pith_short_12","alias_value":"RIOKMTBSHAYA","created_at":"2026-07-05T07:42:50Z"},{"alias_kind":"pith_short_16","alias_value":"RIOKMTBSHAYAARJF","created_at":"2026-07-05T07:42:50Z"},{"alias_kind":"pith_short_8","alias_value":"RIOKMTBS","created_at":"2026-07-05T07:42:50Z"}],"graph_snapshots":[{"event_id":"sha256:30eebf2c3c9feffa32bdd0e665a0c05eda9c3496d5029ff4f02761438afd3ddf","target":"graph","created_at":"2026-07-05T07:42:50Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2402.05441/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a compact spiking convolutional neural network (SCNN) and spiking multilayer perceptron (SMLP) to recognize ten different gestures in dark and bright light environments, using a $9.6 single-photon avalanche diode (SPAD) array. In our hand gesture recognition (HGR) system, photon intensity data was leveraged to train and test the network. A vanilla convolutional neural network (CNN) was also implemented to compare the performance of SCNN with the same network topologies and training strategies. Our SCNN was trained from scratch instead of being converted from the CNN. We tested the t","authors_text":"David Day Uei Li, Xingda Li, Zhenya Zang","cross_cats":["eess.IV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-02-08T06:35:06Z","title":"Spiking Neural Network Enhanced Hand Gesture Recognition Using Low-Cost Single-photon Avalanche Diode Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.05441","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":"sha256:4980ad74a4b3daa12192b16524f3186f4c7a504494e00828fc48d6211de7422f","target":"record","created_at":"2026-07-05T07:42:50Z","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":"f3c1efab00860e77ecf8dd8b89dc8adb3e5d9ec101670fb6e1b987ee608c0b7e","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-02-08T06:35:06Z","title_canon_sha256":"a1c1c8a0d39d8f726bdd31c0486690c2b3d94bf03c8b4faf5f1705f3bd233361"},"schema_version":"1.0","source":{"id":"2402.05441","kind":"arxiv","version":1}},"canonical_sha256":"8a1ca64c3238300045255bbe0b94a2906cdfeb388ece33925d08e4d62fc9c5c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8a1ca64c3238300045255bbe0b94a2906cdfeb388ece33925d08e4d62fc9c5c4","first_computed_at":"2026-07-05T07:42:50.380726Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:42:50.380726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HGV7F6VFTjjQipG0/gU3YiEoTWtHDAqmGrGXMKvxazil0Umzh6F130gslyd1NRO7o1VMw38NtHVUaY0vDJ21Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:42:50.381126Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.05441","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4980ad74a4b3daa12192b16524f3186f4c7a504494e00828fc48d6211de7422f","sha256:30eebf2c3c9feffa32bdd0e665a0c05eda9c3496d5029ff4f02761438afd3ddf"],"state_sha256":"2e241a208cbbfff3bb0e9826e3791d28c54111fbe77ecb9fbdca1b9c77d0c00b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GXp3hNjdjj1hew09cV7Tlk7cYrwTPCTj+rCbfh8vorNn1dgdyH4J0P9SDn83hs50KncXvQs7YjuezUQLoRd5DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T09:47:11.312835Z","bundle_sha256":"e59d0c0bd734618484622abf205de4d314f151f27566e0cd59c30bd1a80d88a7"}}