{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:574HFLAQ66CZMJ5AB7LQSA2HG3","short_pith_number":"pith:574HFLAQ","canonical_record":{"source":{"id":"2204.01733","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2022-04-04T14:27:36Z","cross_cats_sorted":["cs.CV","physics.optics"],"title_canon_sha256":"6b13e3605f441e068a27a4d58f76cbd3a4f77cc29df22bc10c2062d6dd0e447e","abstract_canon_sha256":"de13b63ea0d7bb4f21d3bbb053afa0b101200c1e5026c678d33dc7b584364ef1"},"schema_version":"1.0"},"canonical_sha256":"eff872ac10f7859627a00fd709034736e63871d8d19d90a07ab9859c4b9bcc4c","source":{"kind":"arxiv","id":"2204.01733","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.01733","created_at":"2026-07-05T04:30:55Z"},{"alias_kind":"arxiv_version","alias_value":"2204.01733v2","created_at":"2026-07-05T04:30:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.01733","created_at":"2026-07-05T04:30:55Z"},{"alias_kind":"pith_short_12","alias_value":"574HFLAQ66CZ","created_at":"2026-07-05T04:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"574HFLAQ66CZMJ5A","created_at":"2026-07-05T04:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"574HFLAQ","created_at":"2026-07-05T04:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:574HFLAQ66CZMJ5AB7LQSA2HG3","target":"record","payload":{"canonical_record":{"source":{"id":"2204.01733","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2022-04-04T14:27:36Z","cross_cats_sorted":["cs.CV","physics.optics"],"title_canon_sha256":"6b13e3605f441e068a27a4d58f76cbd3a4f77cc29df22bc10c2062d6dd0e447e","abstract_canon_sha256":"de13b63ea0d7bb4f21d3bbb053afa0b101200c1e5026c678d33dc7b584364ef1"},"schema_version":"1.0"},"canonical_sha256":"eff872ac10f7859627a00fd709034736e63871d8d19d90a07ab9859c4b9bcc4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:30:55.868691Z","signature_b64":"RR/o/QjYTWnpcXfaX5tZucJpO0B4ONqhgQqWmn9JzFzEiTF9bt4XDjE9eh7FqQDkrDflrFNj+uJO3V6MAaa+CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eff872ac10f7859627a00fd709034736e63871d8d19d90a07ab9859c4b9bcc4c","last_reissued_at":"2026-07-05T04:30:55.868175Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:30:55.868175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.01733","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:30:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZRYzVDhj8L3j+SOV+f65wDwb+7SmAbZNzxZk6eTAmRpGkEEFoZucQ0+RcNsOVBXJbx6/8ggeYcFf9peFQw7hBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:35:17.359998Z"},"content_sha256":"5c04ac18dafdfe149194775f59bd3b2a08c40ce136e679d9f8a183e8a5a7f40b","schema_version":"1.0","event_id":"sha256:5c04ac18dafdfe149194775f59bd3b2a08c40ce136e679d9f8a183e8a5a7f40b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:574HFLAQ66CZMJ5AB7LQSA2HG3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transient motion classification through turbid volumes via parallelized single-photon detection and deep contrastive embedding","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV","physics.optics"],"primary_cat":"eess.IV","authors_text":"Edouard Berrocal, Haoqian Wang, Joakim J\\\"onsson, Kanghyun Kim, Kevin C. Zhou, Lucas Krei{\\ss}, Paul McKee, Pavan Chandra Konda, Roarke Horstmeyer, Ruobing Qian, Scott Huettel, Shiqi Xu, Wenhui Liu, Xi Yang","submitted_at":"2022-04-04T14:27:36Z","abstract_excerpt":"Fast noninvasive probing of spatially varying decorrelating events, such as cerebral blood flow beneath the human skull, is an essential task in various scientific and clinical settings. One of the primary optical techniques used is diffuse correlation spectroscopy (DCS), whose classical implementation uses a single or few single-photon detectors, resulting in poor spatial localization accuracy and relatively low temporal resolution. Here, we propose a technique termed Classifying Rapid decorrelation Events via Parallelized single photon dEtection (CREPE)}, a new form of DCS that can probe and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.01733","kind":"arxiv","version":2},"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/2204.01733/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":"2026-07-05T04:30:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oBQ6yUMdgwqeFafbrYoJ46cCqn8/q93e26pFDbbA6cd796Ag+cY3icxKpHkCm92cLo/RtvP8TTiRRu2dqL9bBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:35:17.360786Z"},"content_sha256":"45767f67a0a08538bc77063e2757090b3517609708a98cf82238cb2bca23235f","schema_version":"1.0","event_id":"sha256:45767f67a0a08538bc77063e2757090b3517609708a98cf82238cb2bca23235f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/574HFLAQ66CZMJ5AB7LQSA2HG3/bundle.json","state_url":"https://pith.science/pith/574HFLAQ66CZMJ5AB7LQSA2HG3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/574HFLAQ66CZMJ5AB7LQSA2HG3/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":"2026-07-07T06:35:17Z","links":{"resolver":"https://pith.science/pith/574HFLAQ66CZMJ5AB7LQSA2HG3","bundle":"https://pith.science/pith/574HFLAQ66CZMJ5AB7LQSA2HG3/bundle.json","state":"https://pith.science/pith/574HFLAQ66CZMJ5AB7LQSA2HG3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/574HFLAQ66CZMJ5AB7LQSA2HG3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:574HFLAQ66CZMJ5AB7LQSA2HG3","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":"de13b63ea0d7bb4f21d3bbb053afa0b101200c1e5026c678d33dc7b584364ef1","cross_cats_sorted":["cs.CV","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2022-04-04T14:27:36Z","title_canon_sha256":"6b13e3605f441e068a27a4d58f76cbd3a4f77cc29df22bc10c2062d6dd0e447e"},"schema_version":"1.0","source":{"id":"2204.01733","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.01733","created_at":"2026-07-05T04:30:55Z"},{"alias_kind":"arxiv_version","alias_value":"2204.01733v2","created_at":"2026-07-05T04:30:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.01733","created_at":"2026-07-05T04:30:55Z"},{"alias_kind":"pith_short_12","alias_value":"574HFLAQ66CZ","created_at":"2026-07-05T04:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"574HFLAQ66CZMJ5A","created_at":"2026-07-05T04:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"574HFLAQ","created_at":"2026-07-05T04:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:45767f67a0a08538bc77063e2757090b3517609708a98cf82238cb2bca23235f","target":"graph","created_at":"2026-07-05T04:30:55Z","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/2204.01733/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fast noninvasive probing of spatially varying decorrelating events, such as cerebral blood flow beneath the human skull, is an essential task in various scientific and clinical settings. One of the primary optical techniques used is diffuse correlation spectroscopy (DCS), whose classical implementation uses a single or few single-photon detectors, resulting in poor spatial localization accuracy and relatively low temporal resolution. Here, we propose a technique termed Classifying Rapid decorrelation Events via Parallelized single photon dEtection (CREPE)}, a new form of DCS that can probe and","authors_text":"Edouard Berrocal, Haoqian Wang, Joakim J\\\"onsson, Kanghyun Kim, Kevin C. Zhou, Lucas Krei{\\ss}, Paul McKee, Pavan Chandra Konda, Roarke Horstmeyer, Ruobing Qian, Scott Huettel, Shiqi Xu, Wenhui Liu, Xi Yang","cross_cats":["cs.CV","physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2022-04-04T14:27:36Z","title":"Transient motion classification through turbid volumes via parallelized single-photon detection and deep contrastive embedding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.01733","kind":"arxiv","version":2},"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":"sha256:5c04ac18dafdfe149194775f59bd3b2a08c40ce136e679d9f8a183e8a5a7f40b","target":"record","created_at":"2026-07-05T04:30:55Z","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":"de13b63ea0d7bb4f21d3bbb053afa0b101200c1e5026c678d33dc7b584364ef1","cross_cats_sorted":["cs.CV","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2022-04-04T14:27:36Z","title_canon_sha256":"6b13e3605f441e068a27a4d58f76cbd3a4f77cc29df22bc10c2062d6dd0e447e"},"schema_version":"1.0","source":{"id":"2204.01733","kind":"arxiv","version":2}},"canonical_sha256":"eff872ac10f7859627a00fd709034736e63871d8d19d90a07ab9859c4b9bcc4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eff872ac10f7859627a00fd709034736e63871d8d19d90a07ab9859c4b9bcc4c","first_computed_at":"2026-07-05T04:30:55.868175Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:30:55.868175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RR/o/QjYTWnpcXfaX5tZucJpO0B4ONqhgQqWmn9JzFzEiTF9bt4XDjE9eh7FqQDkrDflrFNj+uJO3V6MAaa+CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:30:55.868691Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.01733","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5c04ac18dafdfe149194775f59bd3b2a08c40ce136e679d9f8a183e8a5a7f40b","sha256:45767f67a0a08538bc77063e2757090b3517609708a98cf82238cb2bca23235f"],"state_sha256":"d5a93c9777f33e26371334e0b3ffad26daf58c10a4c08b8771116f49e94f56da"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WZHBoSvfPgbYQ0kdQZepi2HIk40SRtnJ2invGKO8+XNCbHhollauTHcX7lTLwjEEMUB2uFYHaYOeBuNTfuxuAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T06:35:17.364280Z","bundle_sha256":"7ecdee6b7e742efc714bd8a36a91501233f59af1d5fb0ff0c3d302046c092add"}}