{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:JAJIIOQEUNFJA4HY4QYQGD6RKK","short_pith_number":"pith:JAJIIOQE","canonical_record":{"source":{"id":"1210.0303","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-10-01T07:46:13Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"bf6084f485659fdf0763857947069ceffff0d598e01abc152b47e6ea302ecf3f","abstract_canon_sha256":"156a78f184f6e1adc9bcc284fc20b902424615d018e6a1f9d3f2a59f5b9e2199"},"schema_version":"1.0"},"canonical_sha256":"4812843a04a34a9070f8e431030fd152a27d90b02e40d4f97d2f48583af0eeb9","source":{"kind":"arxiv","id":"1210.0303","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0303","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0303v1","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0303","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"pith_short_12","alias_value":"JAJIIOQEUNFJ","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JAJIIOQEUNFJA4HY","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JAJIIOQE","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:JAJIIOQEUNFJA4HY4QYQGD6RKK","target":"record","payload":{"canonical_record":{"source":{"id":"1210.0303","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-10-01T07:46:13Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"bf6084f485659fdf0763857947069ceffff0d598e01abc152b47e6ea302ecf3f","abstract_canon_sha256":"156a78f184f6e1adc9bcc284fc20b902424615d018e6a1f9d3f2a59f5b9e2199"},"schema_version":"1.0"},"canonical_sha256":"4812843a04a34a9070f8e431030fd152a27d90b02e40d4f97d2f48583af0eeb9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:41:58.336253Z","signature_b64":"6gwm2tLDRhC0bQO0AC8cEdG3ug+B3DNSS2tDsCB8yHJSuT6CO7gEdtRJa6YYb+/C8L/we7oqKwfw6ZAdfYz/CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4812843a04a34a9070f8e431030fd152a27d90b02e40d4f97d2f48583af0eeb9","last_reissued_at":"2026-05-18T03:41:58.335364Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:41:58.335364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.0303","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":"2026-05-18T03:41:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JmDXHkvIkbowGyp8S4KP4ZVtVfAR2O0DOPNYiC2nQWPUNPysuW5wvk0sJDtXWOFdWQIhFCZMmZj0tx4rYTZeCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T00:47:30.765547Z"},"content_sha256":"bacae8daf6e3ee8e1d5b77525e80edf18882dc9916f31d12d2e7888f3f436559","schema_version":"1.0","event_id":"sha256:bacae8daf6e3ee8e1d5b77525e80edf18882dc9916f31d12d2e7888f3f436559"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:JAJIIOQEUNFJA4HY4QYQGD6RKK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Manipulating the non-Gaussianity of phase-randomized coherent states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.optics","authors_text":"Alessia Allevi, Maria Bondani, Stefano Olivares","submitted_at":"2012-10-01T07:46:13Z","abstract_excerpt":"We experimentally investigate the non-Gaussian features of the phase-randomized coherent states, a class of states exploited in communication channels and in decoy state-based quantum key distribution protocols. In particular, we reconstruct their phase-insensitive Wigner functions and quantify their non-Gaussianity. The measurements are performed in the mesoscopic photon-number domain by means of a direct detection scheme involving linear detectors."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0303","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":""},"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":"2026-05-18T03:41:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m+MRWfbIdmlQZw4TPP5ZBywSTHEmjyD+iEwAF5nHYuYn3VU3AQPMfmYoQYaoE5BSww3koBZBPIZ1OkdwZUv8Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T00:47:30.766086Z"},"content_sha256":"3c7f871d1fc4bc0c5f7a1446a1d97b428c9d8fd7dc62de8eed5b0803216b71ca","schema_version":"1.0","event_id":"sha256:3c7f871d1fc4bc0c5f7a1446a1d97b428c9d8fd7dc62de8eed5b0803216b71ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JAJIIOQEUNFJA4HY4QYQGD6RKK/bundle.json","state_url":"https://pith.science/pith/JAJIIOQEUNFJA4HY4QYQGD6RKK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JAJIIOQEUNFJA4HY4QYQGD6RKK/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":"2026-06-05T00:47:30Z","links":{"resolver":"https://pith.science/pith/JAJIIOQEUNFJA4HY4QYQGD6RKK","bundle":"https://pith.science/pith/JAJIIOQEUNFJA4HY4QYQGD6RKK/bundle.json","state":"https://pith.science/pith/JAJIIOQEUNFJA4HY4QYQGD6RKK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JAJIIOQEUNFJA4HY4QYQGD6RKK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:JAJIIOQEUNFJA4HY4QYQGD6RKK","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":"156a78f184f6e1adc9bcc284fc20b902424615d018e6a1f9d3f2a59f5b9e2199","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-10-01T07:46:13Z","title_canon_sha256":"bf6084f485659fdf0763857947069ceffff0d598e01abc152b47e6ea302ecf3f"},"schema_version":"1.0","source":{"id":"1210.0303","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0303","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0303v1","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0303","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"pith_short_12","alias_value":"JAJIIOQEUNFJ","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JAJIIOQEUNFJA4HY","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JAJIIOQE","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:3c7f871d1fc4bc0c5f7a1446a1d97b428c9d8fd7dc62de8eed5b0803216b71ca","target":"graph","created_at":"2026-05-18T03:41:58Z","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"},"paper":{"abstract_excerpt":"We experimentally investigate the non-Gaussian features of the phase-randomized coherent states, a class of states exploited in communication channels and in decoy state-based quantum key distribution protocols. In particular, we reconstruct their phase-insensitive Wigner functions and quantify their non-Gaussianity. The measurements are performed in the mesoscopic photon-number domain by means of a direct detection scheme involving linear detectors.","authors_text":"Alessia Allevi, Maria Bondani, Stefano Olivares","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-10-01T07:46:13Z","title":"Manipulating the non-Gaussianity of phase-randomized coherent states"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0303","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:bacae8daf6e3ee8e1d5b77525e80edf18882dc9916f31d12d2e7888f3f436559","target":"record","created_at":"2026-05-18T03:41:58Z","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":"156a78f184f6e1adc9bcc284fc20b902424615d018e6a1f9d3f2a59f5b9e2199","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-10-01T07:46:13Z","title_canon_sha256":"bf6084f485659fdf0763857947069ceffff0d598e01abc152b47e6ea302ecf3f"},"schema_version":"1.0","source":{"id":"1210.0303","kind":"arxiv","version":1}},"canonical_sha256":"4812843a04a34a9070f8e431030fd152a27d90b02e40d4f97d2f48583af0eeb9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4812843a04a34a9070f8e431030fd152a27d90b02e40d4f97d2f48583af0eeb9","first_computed_at":"2026-05-18T03:41:58.335364Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:41:58.335364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6gwm2tLDRhC0bQO0AC8cEdG3ug+B3DNSS2tDsCB8yHJSuT6CO7gEdtRJa6YYb+/C8L/we7oqKwfw6ZAdfYz/CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:41:58.336253Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.0303","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bacae8daf6e3ee8e1d5b77525e80edf18882dc9916f31d12d2e7888f3f436559","sha256:3c7f871d1fc4bc0c5f7a1446a1d97b428c9d8fd7dc62de8eed5b0803216b71ca"],"state_sha256":"2f0abfbcd9a2d8f1cec4de42dc32787a7d54f2068542442205803be2013fce3a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yq+sSvdvNhfUO+KdwpQyCngzj1kBZKxYUXAszI4XT2mJWKZpb5NkC0W5pVENA8cjuxjvpuDZKRzREssT6WaeBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T00:47:30.768957Z","bundle_sha256":"2821326851b07606466183a8cb243a6f5fcca5fcfb758d4a31e7bd2273741b45"}}