{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:UDVVMALJM57Q2ANP6EQDSSW6LW","short_pith_number":"pith:UDVVMALJ","schema_version":"1.0","canonical_sha256":"a0eb560169677f0d01aff120394ade5d966eccaa988e1fab8a88fd4a53117ea3","source":{"kind":"arxiv","id":"1301.2383","version":1},"attestation_state":"computed","paper":{"title":"A real-time QKD system based on FPGA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"quant-ph","authors_text":"Chun-li Luo, Hao Liang, Hong-Fei Zhang, Jian Wang (IEEE member), Jian-Wei Pan, Kai Chen, Ke Cui, Lei Zhou, Sheng-zhao Lin, Teng-Yun Chen","submitted_at":"2013-01-11T02:51:24Z","abstract_excerpt":"A real-time Quantum Key Distribution System is developed in this paper. In the system, based on the feature of Field Programmable Gate Array (FPGA), secure key extraction control and algorithm have been optimally designed to perform sifting, error correction and privacy amplification altogether in real-time. In the QKD experiment information synchronization mechanism and high-speed classic data channel are designed to ensure the steady operation of the system. Decoy state and synchronous laser light source are used in the system, while the length of optical fiber between Alice and Bob is 20 km"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1301.2383","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-01-11T02:51:24Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"dc9cf93f2d04c57f0d5e3bcd401ca879a6a5f9853731a22414fb170a80724bd5","abstract_canon_sha256":"b2f8034a3cce1abb4c4d5ba81fb9956789407eae0496b9cf080a444985fd39b8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:56.643483Z","signature_b64":"ohb4GCqPUdd2ORoeJUxaEccH3iKBDyEy94yqBKq4zDklKZPfuGt+GR6u45j6xjPdtXFBp9SpzjR0wUW9WHPHCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0eb560169677f0d01aff120394ade5d966eccaa988e1fab8a88fd4a53117ea3","last_reissued_at":"2026-05-18T00:57:56.642915Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:56.642915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A real-time QKD system based on FPGA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"quant-ph","authors_text":"Chun-li Luo, Hao Liang, Hong-Fei Zhang, Jian Wang (IEEE member), Jian-Wei Pan, Kai Chen, Ke Cui, Lei Zhou, Sheng-zhao Lin, Teng-Yun Chen","submitted_at":"2013-01-11T02:51:24Z","abstract_excerpt":"A real-time Quantum Key Distribution System is developed in this paper. In the system, based on the feature of Field Programmable Gate Array (FPGA), secure key extraction control and algorithm have been optimally designed to perform sifting, error correction and privacy amplification altogether in real-time. In the QKD experiment information synchronization mechanism and high-speed classic data channel are designed to ensure the steady operation of the system. Decoy state and synchronous laser light source are used in the system, while the length of optical fiber between Alice and Bob is 20 km"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.2383","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1301.2383","created_at":"2026-05-18T00:57:56.642991+00:00"},{"alias_kind":"arxiv_version","alias_value":"1301.2383v1","created_at":"2026-05-18T00:57:56.642991+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.2383","created_at":"2026-05-18T00:57:56.642991+00:00"},{"alias_kind":"pith_short_12","alias_value":"UDVVMALJM57Q","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"UDVVMALJM57Q2ANP","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"UDVVMALJ","created_at":"2026-05-18T12:28:02.375192+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UDVVMALJM57Q2ANP6EQDSSW6LW","json":"https://pith.science/pith/UDVVMALJM57Q2ANP6EQDSSW6LW.json","graph_json":"https://pith.science/api/pith-number/UDVVMALJM57Q2ANP6EQDSSW6LW/graph.json","events_json":"https://pith.science/api/pith-number/UDVVMALJM57Q2ANP6EQDSSW6LW/events.json","paper":"https://pith.science/paper/UDVVMALJ"},"agent_actions":{"view_html":"https://pith.science/pith/UDVVMALJM57Q2ANP6EQDSSW6LW","download_json":"https://pith.science/pith/UDVVMALJM57Q2ANP6EQDSSW6LW.json","view_paper":"https://pith.science/paper/UDVVMALJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1301.2383&json=true","fetch_graph":"https://pith.science/api/pith-number/UDVVMALJM57Q2ANP6EQDSSW6LW/graph.json","fetch_events":"https://pith.science/api/pith-number/UDVVMALJM57Q2ANP6EQDSSW6LW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UDVVMALJM57Q2ANP6EQDSSW6LW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UDVVMALJM57Q2ANP6EQDSSW6LW/action/storage_attestation","attest_author":"https://pith.science/pith/UDVVMALJM57Q2ANP6EQDSSW6LW/action/author_attestation","sign_citation":"https://pith.science/pith/UDVVMALJM57Q2ANP6EQDSSW6LW/action/citation_signature","submit_replication":"https://pith.science/pith/UDVVMALJM57Q2ANP6EQDSSW6LW/action/replication_record"}},"created_at":"2026-05-18T00:57:56.642991+00:00","updated_at":"2026-05-18T00:57:56.642991+00:00"}