{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:KVOT7R5HZDINLS5FQCGO5WBKXO","short_pith_number":"pith:KVOT7R5H","canonical_record":{"source":{"id":"2106.00785","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-06-01T20:36:42Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"0a11a9db19485b2137a2efb5f3f0fb732c5f369bd2c39a0edf7d824b8b72daf6","abstract_canon_sha256":"66f02348aec643b5139a17d78ff837c9cef19464cfc21cd1012e5882861cd3db"},"schema_version":"1.0"},"canonical_sha256":"555d3fc7a7c8d0d5cba5808ceed82abb9230c8cc0746676f7062e35624760d4a","source":{"kind":"arxiv","id":"2106.00785","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.00785","created_at":"2026-07-05T04:45:56Z"},{"alias_kind":"arxiv_version","alias_value":"2106.00785v2","created_at":"2026-07-05T04:45:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.00785","created_at":"2026-07-05T04:45:56Z"},{"alias_kind":"pith_short_12","alias_value":"KVOT7R5HZDIN","created_at":"2026-07-05T04:45:56Z"},{"alias_kind":"pith_short_16","alias_value":"KVOT7R5HZDINLS5F","created_at":"2026-07-05T04:45:56Z"},{"alias_kind":"pith_short_8","alias_value":"KVOT7R5H","created_at":"2026-07-05T04:45:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:KVOT7R5HZDINLS5FQCGO5WBKXO","target":"record","payload":{"canonical_record":{"source":{"id":"2106.00785","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-06-01T20:36:42Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"0a11a9db19485b2137a2efb5f3f0fb732c5f369bd2c39a0edf7d824b8b72daf6","abstract_canon_sha256":"66f02348aec643b5139a17d78ff837c9cef19464cfc21cd1012e5882861cd3db"},"schema_version":"1.0"},"canonical_sha256":"555d3fc7a7c8d0d5cba5808ceed82abb9230c8cc0746676f7062e35624760d4a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:45:56.206177Z","signature_b64":"rwoQDoA/dCFw8Tkoi2VsQo24i3PZIY26gMHIY2FrJGMdGT8EF7Ff13+tDMKHmFBK8rBHs7vpPGCdDlX8vJhUCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"555d3fc7a7c8d0d5cba5808ceed82abb9230c8cc0746676f7062e35624760d4a","last_reissued_at":"2026-07-05T04:45:56.205675Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:45:56.205675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.00785","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":"2026-07-05T04:45:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QLbGVnlOabkE8mDSoVOYQPwn1CTjldmkW6IZUJ84/ZWyD7DCzdfj835W3ghsmlaxqAf9nawXQx7JIzVbhmFcBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-19T02:58:56.621880Z"},"content_sha256":"70e31afaa45bd786be998980a7146391af27a7effe9d1e795d1e6a82b1067fa8","schema_version":"1.0","event_id":"sha256:70e31afaa45bd786be998980a7146391af27a7effe9d1e795d1e6a82b1067fa8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:KVOT7R5HZDINLS5FQCGO5WBKXO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-Light Shadow Imaging using Quantum-Noise Detection with a Camera","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Eugeniy E. Mikhailov, Hwang Lee, Irina Novikova, Lior Cohen, Narayan Bhusal, Nikunjkumar Prajapati, Pratik J. Barge, Savannah L. Cuozzo","submitted_at":"2021-06-01T20:36:42Z","abstract_excerpt":"We experimentally demonstrate an imaging technique based on quantum noise modification after interaction with an opaque object. By using a homodyne-like detection scheme, we eliminate the detrimental effect of the camera's dark noise, making this approach particularly attractive for imaging scenarios that require weak illumination. Here, we reconstruct the image of an object illuminated with a squeezed vacuum using a total of 800 photons, utilizing less than one photon per frame on average."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.00785","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/2106.00785/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":"2026-07-05T04:45:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zCglnMjSxMx2sGZ0JQBPzJsZ+xD8W4+jzQvQncjwFnl9VowRE8h+rbjGS+NTutfQbL9i0T+aSFTufIM/61voBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-19T02:58:56.622237Z"},"content_sha256":"1e0423f99d473847dc8d99da045031ce31b2777619dc53d3cca25592cd9b8de4","schema_version":"1.0","event_id":"sha256:1e0423f99d473847dc8d99da045031ce31b2777619dc53d3cca25592cd9b8de4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KVOT7R5HZDINLS5FQCGO5WBKXO/bundle.json","state_url":"https://pith.science/pith/KVOT7R5HZDINLS5FQCGO5WBKXO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KVOT7R5HZDINLS5FQCGO5WBKXO/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":"2026-07-19T02:58:56Z","links":{"resolver":"https://pith.science/pith/KVOT7R5HZDINLS5FQCGO5WBKXO","bundle":"https://pith.science/pith/KVOT7R5HZDINLS5FQCGO5WBKXO/bundle.json","state":"https://pith.science/pith/KVOT7R5HZDINLS5FQCGO5WBKXO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KVOT7R5HZDINLS5FQCGO5WBKXO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:KVOT7R5HZDINLS5FQCGO5WBKXO","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":"66f02348aec643b5139a17d78ff837c9cef19464cfc21cd1012e5882861cd3db","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-06-01T20:36:42Z","title_canon_sha256":"0a11a9db19485b2137a2efb5f3f0fb732c5f369bd2c39a0edf7d824b8b72daf6"},"schema_version":"1.0","source":{"id":"2106.00785","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.00785","created_at":"2026-07-05T04:45:56Z"},{"alias_kind":"arxiv_version","alias_value":"2106.00785v2","created_at":"2026-07-05T04:45:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.00785","created_at":"2026-07-05T04:45:56Z"},{"alias_kind":"pith_short_12","alias_value":"KVOT7R5HZDIN","created_at":"2026-07-05T04:45:56Z"},{"alias_kind":"pith_short_16","alias_value":"KVOT7R5HZDINLS5F","created_at":"2026-07-05T04:45:56Z"},{"alias_kind":"pith_short_8","alias_value":"KVOT7R5H","created_at":"2026-07-05T04:45:56Z"}],"graph_snapshots":[{"event_id":"sha256:1e0423f99d473847dc8d99da045031ce31b2777619dc53d3cca25592cd9b8de4","target":"graph","created_at":"2026-07-05T04:45:56Z","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/2106.00785/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We experimentally demonstrate an imaging technique based on quantum noise modification after interaction with an opaque object. By using a homodyne-like detection scheme, we eliminate the detrimental effect of the camera's dark noise, making this approach particularly attractive for imaging scenarios that require weak illumination. Here, we reconstruct the image of an object illuminated with a squeezed vacuum using a total of 800 photons, utilizing less than one photon per frame on average.","authors_text":"Eugeniy E. Mikhailov, Hwang Lee, Irina Novikova, Lior Cohen, Narayan Bhusal, Nikunjkumar Prajapati, Pratik J. Barge, Savannah L. Cuozzo","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-06-01T20:36:42Z","title":"Low-Light Shadow Imaging using Quantum-Noise Detection with a Camera"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.00785","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":"sha256:70e31afaa45bd786be998980a7146391af27a7effe9d1e795d1e6a82b1067fa8","target":"record","created_at":"2026-07-05T04:45:56Z","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":"66f02348aec643b5139a17d78ff837c9cef19464cfc21cd1012e5882861cd3db","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-06-01T20:36:42Z","title_canon_sha256":"0a11a9db19485b2137a2efb5f3f0fb732c5f369bd2c39a0edf7d824b8b72daf6"},"schema_version":"1.0","source":{"id":"2106.00785","kind":"arxiv","version":2}},"canonical_sha256":"555d3fc7a7c8d0d5cba5808ceed82abb9230c8cc0746676f7062e35624760d4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"555d3fc7a7c8d0d5cba5808ceed82abb9230c8cc0746676f7062e35624760d4a","first_computed_at":"2026-07-05T04:45:56.205675Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:45:56.205675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rwoQDoA/dCFw8Tkoi2VsQo24i3PZIY26gMHIY2FrJGMdGT8EF7Ff13+tDMKHmFBK8rBHs7vpPGCdDlX8vJhUCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:45:56.206177Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.00785","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70e31afaa45bd786be998980a7146391af27a7effe9d1e795d1e6a82b1067fa8","sha256:1e0423f99d473847dc8d99da045031ce31b2777619dc53d3cca25592cd9b8de4"],"state_sha256":"c9e967a5b783fffbe00843d5df9a0d9d72944ef470a41dcf7c62f6aa8e5c02ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dVl/Uc+1Cz25tVVwEkfXTBOHAjdhDTXKev/AHS1Ow5Aie4U/T3y9SMkG57O4s825LQSiGWMXPZT4tf8oxmM5CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-19T02:58:56.624684Z","bundle_sha256":"aaedbf6a3192c426e34fdabdb1df6aa59816753dd3b4b53f61dc980663842a72"}}