{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:R3DWWCDDESSGWUWTPWKKVPSASG","short_pith_number":"pith:R3DWWCDD","canonical_record":{"source":{"id":"1812.08388","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-12-20T07:10:45Z","cross_cats_sorted":[],"title_canon_sha256":"b6dca8b62b5dae01a425cbe5bb907376324c2d61809658b0c4c4c794bcfe48b3","abstract_canon_sha256":"79012cd0ead48e695ca2413dd53ea7831f6ae938db8d097d502476fc575d9512"},"schema_version":"1.0"},"canonical_sha256":"8ec76b086324a46b52d37d94aabe4091a69c0a52a6cc8eacf53b004160381f44","source":{"kind":"arxiv","id":"1812.08388","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08388","created_at":"2026-05-17T23:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08388v2","created_at":"2026-05-17T23:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08388","created_at":"2026-05-17T23:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"R3DWWCDDESSG","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R3DWWCDDESSGWUWT","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R3DWWCDD","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:R3DWWCDDESSGWUWTPWKKVPSASG","target":"record","payload":{"canonical_record":{"source":{"id":"1812.08388","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-12-20T07:10:45Z","cross_cats_sorted":[],"title_canon_sha256":"b6dca8b62b5dae01a425cbe5bb907376324c2d61809658b0c4c4c794bcfe48b3","abstract_canon_sha256":"79012cd0ead48e695ca2413dd53ea7831f6ae938db8d097d502476fc575d9512"},"schema_version":"1.0"},"canonical_sha256":"8ec76b086324a46b52d37d94aabe4091a69c0a52a6cc8eacf53b004160381f44","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:22.294732Z","signature_b64":"QeS+QHh1w9aMZc0DHhXgQ8SJ5uoTV8DJosUsqhPUd9ZMVu5VtJ0MPsgoVm0jrarTTNZexVrbJbKurOIRy2SsCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ec76b086324a46b52d37d94aabe4091a69c0a52a6cc8eacf53b004160381f44","last_reissued_at":"2026-05-17T23:50:22.294135Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:22.294135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.08388","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":"2026-05-17T23:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YpJzRpRjp0ig1hKDTGJRFJ5Lp0LdrjuP6+47iXWItG/xDx3sOStxiOkHT7BO71iVvuJ9JUFMEW6RM0sY+9UrCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:01:18.744472Z"},"content_sha256":"5d70dedea60f4ce24528cbf1355cf2980cc03dc715ebf2cca5cd38ad4a87faa1","schema_version":"1.0","event_id":"sha256:5d70dedea60f4ce24528cbf1355cf2980cc03dc715ebf2cca5cd38ad4a87faa1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:R3DWWCDDESSGWUWTPWKKVPSASG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Parameters optimization and real-time calibration of Measurement-Device-Independent Quantum Key Distribution Network based on Back Propagation Artificial Neural Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bing-Jie Xu, Chao-Han Cui, Chao Wang, Feng-yu Lu, Guang-Can Guo, Jun Teng, Shuang Wang, Wei Chen, Wei Huang, Zheng-Fu Han, Zhen-Qiang Yin","submitted_at":"2018-12-20T07:10:45Z","abstract_excerpt":"The parameters choosing (such as probabilities of choosing X-basis or Z-basis, intensity of signal state and decoy state, etc.) and system calibrating will be more challenging when the number of users of a measurement-device-independent quantum key distribution(MDI-QKD) network becomes larger. At present, people usually use optimization algorithms to search the best parameters. This method can find the optimized parameters accurately but may cost lots of time and hardware resources. It's a big problem in large scale MDI-QKD network. Here, we present a new method, using Back Propagation Artific"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08388","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":""},"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":"2026-05-17T23:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fiPxhqFV1Xc/tvayhRZEmptir9S3ZIXMHjJSxKj/vWHduQlB2mEscFkUMbn05HrZc/8WhlAyqdPyR6xYsckECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:01:18.744881Z"},"content_sha256":"443a8d8d46ad06633201cf1f0f943d94d7503546d3f03fef4a93df0edf4d333e","schema_version":"1.0","event_id":"sha256:443a8d8d46ad06633201cf1f0f943d94d7503546d3f03fef4a93df0edf4d333e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R3DWWCDDESSGWUWTPWKKVPSASG/bundle.json","state_url":"https://pith.science/pith/R3DWWCDDESSGWUWTPWKKVPSASG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R3DWWCDDESSGWUWTPWKKVPSASG/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":"2026-05-26T23:01:18Z","links":{"resolver":"https://pith.science/pith/R3DWWCDDESSGWUWTPWKKVPSASG","bundle":"https://pith.science/pith/R3DWWCDDESSGWUWTPWKKVPSASG/bundle.json","state":"https://pith.science/pith/R3DWWCDDESSGWUWTPWKKVPSASG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R3DWWCDDESSGWUWTPWKKVPSASG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:R3DWWCDDESSGWUWTPWKKVPSASG","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":"79012cd0ead48e695ca2413dd53ea7831f6ae938db8d097d502476fc575d9512","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-12-20T07:10:45Z","title_canon_sha256":"b6dca8b62b5dae01a425cbe5bb907376324c2d61809658b0c4c4c794bcfe48b3"},"schema_version":"1.0","source":{"id":"1812.08388","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08388","created_at":"2026-05-17T23:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08388v2","created_at":"2026-05-17T23:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08388","created_at":"2026-05-17T23:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"R3DWWCDDESSG","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R3DWWCDDESSGWUWT","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R3DWWCDD","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:443a8d8d46ad06633201cf1f0f943d94d7503546d3f03fef4a93df0edf4d333e","target":"graph","created_at":"2026-05-17T23:50:22Z","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":"The parameters choosing (such as probabilities of choosing X-basis or Z-basis, intensity of signal state and decoy state, etc.) and system calibrating will be more challenging when the number of users of a measurement-device-independent quantum key distribution(MDI-QKD) network becomes larger. At present, people usually use optimization algorithms to search the best parameters. This method can find the optimized parameters accurately but may cost lots of time and hardware resources. It's a big problem in large scale MDI-QKD network. Here, we present a new method, using Back Propagation Artific","authors_text":"Bing-Jie Xu, Chao-Han Cui, Chao Wang, Feng-yu Lu, Guang-Can Guo, Jun Teng, Shuang Wang, Wei Chen, Wei Huang, Zheng-Fu Han, Zhen-Qiang Yin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-12-20T07:10:45Z","title":"Parameters optimization and real-time calibration of Measurement-Device-Independent Quantum Key Distribution Network based on Back Propagation Artificial Neural Network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08388","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":"sha256:5d70dedea60f4ce24528cbf1355cf2980cc03dc715ebf2cca5cd38ad4a87faa1","target":"record","created_at":"2026-05-17T23:50:22Z","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":"79012cd0ead48e695ca2413dd53ea7831f6ae938db8d097d502476fc575d9512","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-12-20T07:10:45Z","title_canon_sha256":"b6dca8b62b5dae01a425cbe5bb907376324c2d61809658b0c4c4c794bcfe48b3"},"schema_version":"1.0","source":{"id":"1812.08388","kind":"arxiv","version":2}},"canonical_sha256":"8ec76b086324a46b52d37d94aabe4091a69c0a52a6cc8eacf53b004160381f44","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ec76b086324a46b52d37d94aabe4091a69c0a52a6cc8eacf53b004160381f44","first_computed_at":"2026-05-17T23:50:22.294135Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:22.294135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QeS+QHh1w9aMZc0DHhXgQ8SJ5uoTV8DJosUsqhPUd9ZMVu5VtJ0MPsgoVm0jrarTTNZexVrbJbKurOIRy2SsCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:22.294732Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.08388","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d70dedea60f4ce24528cbf1355cf2980cc03dc715ebf2cca5cd38ad4a87faa1","sha256:443a8d8d46ad06633201cf1f0f943d94d7503546d3f03fef4a93df0edf4d333e"],"state_sha256":"c33a6326c12e169185a920db6cdecdc0424019272911dc3cdc1f0318535ad111"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"74WCUW5VE14f6NSAUyi+Job5xgSXID7XbjW4QEA7MXz2+COlfAz1JHTR/6+zo6FVJC79rxg8jaPbZhezyUrZDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:01:18.747440Z","bundle_sha256":"24af9bc1b87f3c84683e8faaaa2c77cd82ae80bf7bb8289c1800d2d3d17be10b"}}