{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:4W4EQUGLBIWHXCZHFL2BG3CGN3","short_pith_number":"pith:4W4EQUGL","canonical_record":{"source":{"id":"2209.08324","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-09-17T12:59:09Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"2ab091f6e4380b93bb5391850f866d5c461b1807b3fcfbe16d555b235d48d470","abstract_canon_sha256":"f454bc827527fafd191a50e32c4f20fc62a60910c3706078a3a188357ed55f98"},"schema_version":"1.0"},"canonical_sha256":"e5b84850cb0a2c7b8b272af4136c466edae20bac8617f80769374405bb50b923","source":{"kind":"arxiv","id":"2209.08324","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.08324","created_at":"2026-07-05T04:58:19Z"},{"alias_kind":"arxiv_version","alias_value":"2209.08324v1","created_at":"2026-07-05T04:58:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.08324","created_at":"2026-07-05T04:58:19Z"},{"alias_kind":"pith_short_12","alias_value":"4W4EQUGLBIWH","created_at":"2026-07-05T04:58:19Z"},{"alias_kind":"pith_short_16","alias_value":"4W4EQUGLBIWHXCZH","created_at":"2026-07-05T04:58:19Z"},{"alias_kind":"pith_short_8","alias_value":"4W4EQUGL","created_at":"2026-07-05T04:58:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:4W4EQUGLBIWHXCZHFL2BG3CGN3","target":"record","payload":{"canonical_record":{"source":{"id":"2209.08324","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-09-17T12:59:09Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"2ab091f6e4380b93bb5391850f866d5c461b1807b3fcfbe16d555b235d48d470","abstract_canon_sha256":"f454bc827527fafd191a50e32c4f20fc62a60910c3706078a3a188357ed55f98"},"schema_version":"1.0"},"canonical_sha256":"e5b84850cb0a2c7b8b272af4136c466edae20bac8617f80769374405bb50b923","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:58:19.986591Z","signature_b64":"cAzka5DNKmh+rK216EuN9TlHOTre8gWXrp9CN+rqDGrejwNtIi/urDygiFniWJSt/uuUQRU3z/2H57MfsjPsBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5b84850cb0a2c7b8b272af4136c466edae20bac8617f80769374405bb50b923","last_reissued_at":"2026-07-05T04:58:19.986239Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:58:19.986239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.08324","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":"2026-07-05T04:58:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V8E1aQs4gyI7XdHgKsrMcNpab9hmbIOqHfLtSxhIDigdgn9vJJVgBuLxoJnS4kcnzaanTa89YJod0auuX433Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T10:14:00.744083Z"},"content_sha256":"d5a3fff3b0bea007dc08b55ab0865b0311c3001684c0ddcd1a4d3d00e099fed2","schema_version":"1.0","event_id":"sha256:d5a3fff3b0bea007dc08b55ab0865b0311c3001684c0ddcd1a4d3d00e099fed2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:4W4EQUGLBIWHXCZHFL2BG3CGN3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental Multi-state Quantum Discrimination in the Frequency Domain with Quantum Dot Light","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"Alessandro Laneve, Armando Rastelli, Francesco Basso Basset, Michele B. Rota, Nicola P. Fiorente, Paolo Mataloni, Quirin Buchinger, Rinaldo Trotta, Saimon F. Covre da Silva, Sandra Stroj, Sven Hoefling, Tobias Huber-Loyola, Tobias M. Krieger","submitted_at":"2022-09-17T12:59:09Z","abstract_excerpt":"The quest for the realization of effective quantum state discrimination strategies is of great interest for quantum information technology, as well as for fundamental studies. Therefore, it is crucial to develop new and more efficient methods to implement discrimination protocols for quantum states. Among the others, single photon implementations are more advisable, because of their inherent security advantage in quantum communication scenarios. In this work, we present the experimental realization of a protocol employing a time-multiplexing strategy to optimally discriminate among eight non-o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.08324","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/2209.08324/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":"2026-07-05T04:58:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xKbXh1I07H+Ph1nEhtmicVGSwfzNNzpskLPq3R86mO0gIEWLMZvB3VA3fWrIIVDMBo4si/IxF3cI8yruf0IhAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T10:14:00.745078Z"},"content_sha256":"3169e6223642e3d2b6f375ecdd262f328c7d4537386ad071b8ca779a9837ed60","schema_version":"1.0","event_id":"sha256:3169e6223642e3d2b6f375ecdd262f328c7d4537386ad071b8ca779a9837ed60"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4W4EQUGLBIWHXCZHFL2BG3CGN3/bundle.json","state_url":"https://pith.science/pith/4W4EQUGLBIWHXCZHFL2BG3CGN3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4W4EQUGLBIWHXCZHFL2BG3CGN3/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":"2026-08-18T10:14:00Z","links":{"resolver":"https://pith.science/pith/4W4EQUGLBIWHXCZHFL2BG3CGN3","bundle":"https://pith.science/pith/4W4EQUGLBIWHXCZHFL2BG3CGN3/bundle.json","state":"https://pith.science/pith/4W4EQUGLBIWHXCZHFL2BG3CGN3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4W4EQUGLBIWHXCZHFL2BG3CGN3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4W4EQUGLBIWHXCZHFL2BG3CGN3","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":"f454bc827527fafd191a50e32c4f20fc62a60910c3706078a3a188357ed55f98","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-09-17T12:59:09Z","title_canon_sha256":"2ab091f6e4380b93bb5391850f866d5c461b1807b3fcfbe16d555b235d48d470"},"schema_version":"1.0","source":{"id":"2209.08324","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.08324","created_at":"2026-07-05T04:58:19Z"},{"alias_kind":"arxiv_version","alias_value":"2209.08324v1","created_at":"2026-07-05T04:58:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.08324","created_at":"2026-07-05T04:58:19Z"},{"alias_kind":"pith_short_12","alias_value":"4W4EQUGLBIWH","created_at":"2026-07-05T04:58:19Z"},{"alias_kind":"pith_short_16","alias_value":"4W4EQUGLBIWHXCZH","created_at":"2026-07-05T04:58:19Z"},{"alias_kind":"pith_short_8","alias_value":"4W4EQUGL","created_at":"2026-07-05T04:58:19Z"}],"graph_snapshots":[{"event_id":"sha256:3169e6223642e3d2b6f375ecdd262f328c7d4537386ad071b8ca779a9837ed60","target":"graph","created_at":"2026-07-05T04:58:19Z","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/2209.08324/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The quest for the realization of effective quantum state discrimination strategies is of great interest for quantum information technology, as well as for fundamental studies. Therefore, it is crucial to develop new and more efficient methods to implement discrimination protocols for quantum states. Among the others, single photon implementations are more advisable, because of their inherent security advantage in quantum communication scenarios. In this work, we present the experimental realization of a protocol employing a time-multiplexing strategy to optimally discriminate among eight non-o","authors_text":"Alessandro Laneve, Armando Rastelli, Francesco Basso Basset, Michele B. Rota, Nicola P. Fiorente, Paolo Mataloni, Quirin Buchinger, Rinaldo Trotta, Saimon F. Covre da Silva, Sandra Stroj, Sven Hoefling, Tobias Huber-Loyola, Tobias M. Krieger","cross_cats":["cond-mat.mes-hall","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-09-17T12:59:09Z","title":"Experimental Multi-state Quantum Discrimination in the Frequency Domain with Quantum Dot Light"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.08324","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:d5a3fff3b0bea007dc08b55ab0865b0311c3001684c0ddcd1a4d3d00e099fed2","target":"record","created_at":"2026-07-05T04:58:19Z","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":"f454bc827527fafd191a50e32c4f20fc62a60910c3706078a3a188357ed55f98","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-09-17T12:59:09Z","title_canon_sha256":"2ab091f6e4380b93bb5391850f866d5c461b1807b3fcfbe16d555b235d48d470"},"schema_version":"1.0","source":{"id":"2209.08324","kind":"arxiv","version":1}},"canonical_sha256":"e5b84850cb0a2c7b8b272af4136c466edae20bac8617f80769374405bb50b923","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5b84850cb0a2c7b8b272af4136c466edae20bac8617f80769374405bb50b923","first_computed_at":"2026-07-05T04:58:19.986239Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:58:19.986239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cAzka5DNKmh+rK216EuN9TlHOTre8gWXrp9CN+rqDGrejwNtIi/urDygiFniWJSt/uuUQRU3z/2H57MfsjPsBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:58:19.986591Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.08324","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5a3fff3b0bea007dc08b55ab0865b0311c3001684c0ddcd1a4d3d00e099fed2","sha256:3169e6223642e3d2b6f375ecdd262f328c7d4537386ad071b8ca779a9837ed60"],"state_sha256":"a8751c65414180270b675fa4938ee9acf3dccefa0772ae29a8421d2ec902253a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ko5axK3KV9ZGg2dDIXWNNsQvT5Qkcylt3N5DyghuvzOCVQBmSyX6VjfeMpOmKkDtjbOkv7Kly5PTQajrOmusAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T10:14:00.758385Z","bundle_sha256":"63f96267bff29905933b7936fad3eb53eb89a295e28f0c3f4cb54a9caa235e9d"}}