{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WIWF62DEPAKRXI3XQD7LG3XBB5","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":"db8834961ff69ae60ac06ec900c099e33327bf8c9dcf612cc8b38497c271c18f","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-28T19:37:23Z","title_canon_sha256":"37da6710a22e99b09c033f034a5b2386edc84ab419fd1a9e41036486a24dc638"},"schema_version":"1.0","source":{"id":"1404.7109","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.7109","created_at":"2026-05-18T02:53:05Z"},{"alias_kind":"arxiv_version","alias_value":"1404.7109v1","created_at":"2026-05-18T02:53:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.7109","created_at":"2026-05-18T02:53:05Z"},{"alias_kind":"pith_short_12","alias_value":"WIWF62DEPAKR","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WIWF62DEPAKRXI3X","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WIWF62DE","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:8ff7b02f84c7295ab1004e1f067e49e2ab5155be45a12a015df2c502dc82c953","target":"graph","created_at":"2026-05-18T02:53:05Z","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 prove the secret key rate formulas and derive security threshold parameters of multicarrier continuous-variable quantum key distribution (CVQKD). In a multicarrier CVQKD scenario, the Gaussian input quantum states of the legal parties are granulated into Gaussian subcarrier CVs (continuous-variables). The multicarrier communication formulates Gaussian sub-channels from the physical quantum channel, each dedicated to the transmission of a subcarrier CV. The Gaussian subcarriers are decoded by a unitary CV operation, which results in the recovered single-carrier Gaussian CVs. We derive the fo","authors_text":"Laszlo Gyongyosi","cross_cats":["cs.IT","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-28T19:37:23Z","title":"Security Thresholds of Multicarrier Continuous-Variable Quantum Key Distribution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.7109","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:bc217358fb60a9ca2f7b46b31891c727333b0f7d89f403f7988d54c38dda7713","target":"record","created_at":"2026-05-18T02:53:05Z","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":"db8834961ff69ae60ac06ec900c099e33327bf8c9dcf612cc8b38497c271c18f","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-28T19:37:23Z","title_canon_sha256":"37da6710a22e99b09c033f034a5b2386edc84ab419fd1a9e41036486a24dc638"},"schema_version":"1.0","source":{"id":"1404.7109","kind":"arxiv","version":1}},"canonical_sha256":"b22c5f686478151ba37780feb36ee10f5315111b0c7fb78589ccecebb6d8b78c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b22c5f686478151ba37780feb36ee10f5315111b0c7fb78589ccecebb6d8b78c","first_computed_at":"2026-05-18T02:53:05.143123Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:53:05.143123Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6XdZw84oG4goLlnAKFYcwtMJNnWpe039iQwakkDUYK/CpikJlM8UIT9ZYIT77UgOthhbYV2xhnQo/dq4FjYYBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:53:05.143626Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.7109","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc217358fb60a9ca2f7b46b31891c727333b0f7d89f403f7988d54c38dda7713","sha256:8ff7b02f84c7295ab1004e1f067e49e2ab5155be45a12a015df2c502dc82c953"],"state_sha256":"fd97f0c1f8d3ba3735d2191d022a9e662eaefedb2aee2b819a4d0aa6721ba2de"}