{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:UQ4BYWLHNEWMXU2YGEJV64TGM6","short_pith_number":"pith:UQ4BYWLH","canonical_record":{"source":{"id":"1909.08060","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-09-17T19:49:11Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"013b24bda8280f7ce7c03c691bd0ec3596960234308f7839eeef83df204ff302","abstract_canon_sha256":"2888ad96a76fd4419decfce9b045f6e1b3338634ba362764675e3c4e86f56352"},"schema_version":"1.0"},"canonical_sha256":"a4381c5967692ccbd35831135f72666784184640859647dc2a101c82a64599a1","source":{"kind":"arxiv","id":"1909.08060","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.08060","created_at":"2026-07-05T00:14:21Z"},{"alias_kind":"arxiv_version","alias_value":"1909.08060v2","created_at":"2026-07-05T00:14:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.08060","created_at":"2026-07-05T00:14:21Z"},{"alias_kind":"pith_short_12","alias_value":"UQ4BYWLHNEWM","created_at":"2026-07-05T00:14:21Z"},{"alias_kind":"pith_short_16","alias_value":"UQ4BYWLHNEWMXU2Y","created_at":"2026-07-05T00:14:21Z"},{"alias_kind":"pith_short_8","alias_value":"UQ4BYWLH","created_at":"2026-07-05T00:14:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:UQ4BYWLHNEWMXU2YGEJV64TGM6","target":"record","payload":{"canonical_record":{"source":{"id":"1909.08060","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-09-17T19:49:11Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"013b24bda8280f7ce7c03c691bd0ec3596960234308f7839eeef83df204ff302","abstract_canon_sha256":"2888ad96a76fd4419decfce9b045f6e1b3338634ba362764675e3c4e86f56352"},"schema_version":"1.0"},"canonical_sha256":"a4381c5967692ccbd35831135f72666784184640859647dc2a101c82a64599a1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:14:21.463497Z","signature_b64":"/9hem2K4SY2OhcKay/03LkNx53THTOd0obGN9tVj86BGkjtI3AqmNrCN9SWuQ0Hqc3Ew9jbciti39WYWkFMWCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4381c5967692ccbd35831135f72666784184640859647dc2a101c82a64599a1","last_reissued_at":"2026-07-05T00:14:21.463150Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:14:21.463150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1909.08060","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":"2026-07-05T00:14:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VE2SoRmu6GW87j8arz5ZL0wgi8Lwd+PyL1CJrf7AeNiTeTPqcp+YtyebGjyPi2qPiPKaHUVFiXYF0x1geG97CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T15:05:59.427106Z"},"content_sha256":"c97351c6af070cb2bb3785c7e859450bde61a7bda4eb6391d8aef58b3219e387","schema_version":"1.0","event_id":"sha256:c97351c6af070cb2bb3785c7e859450bde61a7bda4eb6391d8aef58b3219e387"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:UQ4BYWLHNEWMXU2YGEJV64TGM6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identification of Light Sources using Machine Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Aidan Lambert, Amir Javaid, Armando Perez-Leija, Chao Dong, Chenglong You, Mario A. Quiroz-Juarez, Narayan Bhusal, Omar S. Magana-Loaiza, Roberto de J. Leon-Montiel","submitted_at":"2019-09-17T19:49:11Z","abstract_excerpt":"The identification of light sources represents a task of utmost importance for the development of multiple photonic technologies. Over the last decades, the identification of light sources as diverse as sunlight, laser radiation and molecule fluorescence has relied on the collection of photon statistics or the implementation of quantum state tomography. In general, this task requires an extensive number of measurements to unveil the characteristic statistical fluctuations and correlation properties of light, particularly in the low-photon flux regime. In this article, we exploit the self-learn"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.08060","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/1909.08060/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":"2026-07-05T00:14:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xwkGL+MqDX8hk8ysqOjmqUg3w0+JLtaR7H4meyp1CI9MlrbyJtm9t4y5d11kAuJboc1U6aeMERw2K7uxVx+pDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T15:05:59.427495Z"},"content_sha256":"517bfac3ae747e56ecdb3b0f182bf820ab77537d841070ea7af246373220c22a","schema_version":"1.0","event_id":"sha256:517bfac3ae747e56ecdb3b0f182bf820ab77537d841070ea7af246373220c22a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UQ4BYWLHNEWMXU2YGEJV64TGM6/bundle.json","state_url":"https://pith.science/pith/UQ4BYWLHNEWMXU2YGEJV64TGM6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UQ4BYWLHNEWMXU2YGEJV64TGM6/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":"2026-08-18T15:05:59Z","links":{"resolver":"https://pith.science/pith/UQ4BYWLHNEWMXU2YGEJV64TGM6","bundle":"https://pith.science/pith/UQ4BYWLHNEWMXU2YGEJV64TGM6/bundle.json","state":"https://pith.science/pith/UQ4BYWLHNEWMXU2YGEJV64TGM6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UQ4BYWLHNEWMXU2YGEJV64TGM6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:UQ4BYWLHNEWMXU2YGEJV64TGM6","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":"2888ad96a76fd4419decfce9b045f6e1b3338634ba362764675e3c4e86f56352","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-09-17T19:49:11Z","title_canon_sha256":"013b24bda8280f7ce7c03c691bd0ec3596960234308f7839eeef83df204ff302"},"schema_version":"1.0","source":{"id":"1909.08060","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.08060","created_at":"2026-07-05T00:14:21Z"},{"alias_kind":"arxiv_version","alias_value":"1909.08060v2","created_at":"2026-07-05T00:14:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.08060","created_at":"2026-07-05T00:14:21Z"},{"alias_kind":"pith_short_12","alias_value":"UQ4BYWLHNEWM","created_at":"2026-07-05T00:14:21Z"},{"alias_kind":"pith_short_16","alias_value":"UQ4BYWLHNEWMXU2Y","created_at":"2026-07-05T00:14:21Z"},{"alias_kind":"pith_short_8","alias_value":"UQ4BYWLH","created_at":"2026-07-05T00:14:21Z"}],"graph_snapshots":[{"event_id":"sha256:517bfac3ae747e56ecdb3b0f182bf820ab77537d841070ea7af246373220c22a","target":"graph","created_at":"2026-07-05T00:14:21Z","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/1909.08060/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The identification of light sources represents a task of utmost importance for the development of multiple photonic technologies. Over the last decades, the identification of light sources as diverse as sunlight, laser radiation and molecule fluorescence has relied on the collection of photon statistics or the implementation of quantum state tomography. In general, this task requires an extensive number of measurements to unveil the characteristic statistical fluctuations and correlation properties of light, particularly in the low-photon flux regime. In this article, we exploit the self-learn","authors_text":"Aidan Lambert, Amir Javaid, Armando Perez-Leija, Chao Dong, Chenglong You, Mario A. Quiroz-Juarez, Narayan Bhusal, Omar S. Magana-Loaiza, Roberto de J. Leon-Montiel","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-09-17T19:49:11Z","title":"Identification of Light Sources using Machine Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.08060","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:c97351c6af070cb2bb3785c7e859450bde61a7bda4eb6391d8aef58b3219e387","target":"record","created_at":"2026-07-05T00:14:21Z","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":"2888ad96a76fd4419decfce9b045f6e1b3338634ba362764675e3c4e86f56352","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-09-17T19:49:11Z","title_canon_sha256":"013b24bda8280f7ce7c03c691bd0ec3596960234308f7839eeef83df204ff302"},"schema_version":"1.0","source":{"id":"1909.08060","kind":"arxiv","version":2}},"canonical_sha256":"a4381c5967692ccbd35831135f72666784184640859647dc2a101c82a64599a1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a4381c5967692ccbd35831135f72666784184640859647dc2a101c82a64599a1","first_computed_at":"2026-07-05T00:14:21.463150Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:14:21.463150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/9hem2K4SY2OhcKay/03LkNx53THTOd0obGN9tVj86BGkjtI3AqmNrCN9SWuQ0Hqc3Ew9jbciti39WYWkFMWCA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:14:21.463497Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.08060","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c97351c6af070cb2bb3785c7e859450bde61a7bda4eb6391d8aef58b3219e387","sha256:517bfac3ae747e56ecdb3b0f182bf820ab77537d841070ea7af246373220c22a"],"state_sha256":"3af8d826ac2a59aad41de682c29f52c302c1caaae09dba0fb4c67fe1d399808e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0rLMZpjrPdETBx0CLYCEFh3O09pPC6wuRC4YvHiQ6GxhNTSypilVIl/lzwWYIKu/zNFL0YWX++xE55BhwVSvAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T15:05:59.429954Z","bundle_sha256":"6a6cf1617f020b94a6c7b8a3d26abdb9a622115de1903fc14729d57893b2ac72"}}