{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HF7P7NRHNMXVMYS5O24UPBTINP","short_pith_number":"pith:HF7P7NRH","canonical_record":{"source":{"id":"1712.09831","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-28T11:34:32Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"94ad3f5a808f9afb7357957464ebbb145dc17dc7ecf6b454f5aa221aef1cf0d6","abstract_canon_sha256":"45a29358b4366325fc780ff45b1385de9c6f5589670f8ba53c1276d4dac20b05"},"schema_version":"1.0"},"canonical_sha256":"397effb6276b2f56625d76b94786686bdb4a44590ec2ce5c5a72c74844556707","source":{"kind":"arxiv","id":"1712.09831","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.09831","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"arxiv_version","alias_value":"1712.09831v2","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.09831","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"pith_short_12","alias_value":"HF7P7NRHNMXV","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HF7P7NRHNMXVMYS5","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HF7P7NRH","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HF7P7NRHNMXVMYS5O24UPBTINP","target":"record","payload":{"canonical_record":{"source":{"id":"1712.09831","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-28T11:34:32Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"94ad3f5a808f9afb7357957464ebbb145dc17dc7ecf6b454f5aa221aef1cf0d6","abstract_canon_sha256":"45a29358b4366325fc780ff45b1385de9c6f5589670f8ba53c1276d4dac20b05"},"schema_version":"1.0"},"canonical_sha256":"397effb6276b2f56625d76b94786686bdb4a44590ec2ce5c5a72c74844556707","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:21.989378Z","signature_b64":"D4v0ITYuxYtgkubI6nHH63IWonUkPsVew/8yx0mzCrrUnK/UDrjcbHTzxbIyHqZENHrx4s+hfZgx3PYnoR7cBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"397effb6276b2f56625d76b94786686bdb4a44590ec2ce5c5a72c74844556707","last_reissued_at":"2026-05-18T00:14:21.988683Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:21.988683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.09831","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":"2026-05-18T00:14:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5OJcJQfzqWcy2Z2L60rI23/KcGok374lk/BGyxs/+1aOsDGGhg6N1nwqpdvjn9HvB4ooRpciLlBwvsG0Kbf7DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:41:16.322371Z"},"content_sha256":"d4c05512d506265ad038d206d4306942afd3379213f396ca03874514b21178dc","schema_version":"1.0","event_id":"sha256:d4c05512d506265ad038d206d4306942afd3379213f396ca03874514b21178dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HF7P7NRHNMXVMYS5O24UPBTINP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum-secured data transmission in urban fibre-optic communication lines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"quant-ph","authors_text":"A.I. Kotov, A.K. Fedorov, A.V. Brodskiy, A.V. Duplinskiy, E.O. Kiktenko, M.N. Anufriev, N.O. Pozhar, R.P. Ermakov, R.R. Yunusov, V.L. Kurochkin, Y.V. Kurochkin","submitted_at":"2017-12-28T11:34:32Z","abstract_excerpt":"Quantum key distribution (QKD) provides theoretic information security in communications based on the laws of quantum physics. In this work, we report an implementation of quantum-secured data transmission in the infrastructure of Sberbank of Russia in standard communication lines in Moscow. The experiment is realized on the basis of already deployed urban fiber-optics communication channels with significant losses. We realize the decoy-state BB84 QKD protocol using the one-way scheme with polarization encoding for generating keys. Quantum-generated keys are then used for continuous key renewa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.09831","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":"2026-05-18T00:14:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xv1RsFaN4Zy0Iag1vXHg0RFWOpa5d8boOl8iVAqHqZgW9m1Vh3jbr+4A78ny16m3EQYl50l8R5oCOPPNK0dQDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:41:16.322779Z"},"content_sha256":"b4997b3663c059f1bab966f308d90b60651d006720a20e38ccde708fe227e1e8","schema_version":"1.0","event_id":"sha256:b4997b3663c059f1bab966f308d90b60651d006720a20e38ccde708fe227e1e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HF7P7NRHNMXVMYS5O24UPBTINP/bundle.json","state_url":"https://pith.science/pith/HF7P7NRHNMXVMYS5O24UPBTINP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HF7P7NRHNMXVMYS5O24UPBTINP/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":"2026-05-27T02:41:16Z","links":{"resolver":"https://pith.science/pith/HF7P7NRHNMXVMYS5O24UPBTINP","bundle":"https://pith.science/pith/HF7P7NRHNMXVMYS5O24UPBTINP/bundle.json","state":"https://pith.science/pith/HF7P7NRHNMXVMYS5O24UPBTINP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HF7P7NRHNMXVMYS5O24UPBTINP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HF7P7NRHNMXVMYS5O24UPBTINP","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":"45a29358b4366325fc780ff45b1385de9c6f5589670f8ba53c1276d4dac20b05","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-28T11:34:32Z","title_canon_sha256":"94ad3f5a808f9afb7357957464ebbb145dc17dc7ecf6b454f5aa221aef1cf0d6"},"schema_version":"1.0","source":{"id":"1712.09831","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.09831","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"arxiv_version","alias_value":"1712.09831v2","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.09831","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"pith_short_12","alias_value":"HF7P7NRHNMXV","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HF7P7NRHNMXVMYS5","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HF7P7NRH","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:b4997b3663c059f1bab966f308d90b60651d006720a20e38ccde708fe227e1e8","target":"graph","created_at":"2026-05-18T00:14:21Z","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":"Quantum key distribution (QKD) provides theoretic information security in communications based on the laws of quantum physics. In this work, we report an implementation of quantum-secured data transmission in the infrastructure of Sberbank of Russia in standard communication lines in Moscow. The experiment is realized on the basis of already deployed urban fiber-optics communication channels with significant losses. We realize the decoy-state BB84 QKD protocol using the one-way scheme with polarization encoding for generating keys. Quantum-generated keys are then used for continuous key renewa","authors_text":"A.I. Kotov, A.K. Fedorov, A.V. Brodskiy, A.V. Duplinskiy, E.O. Kiktenko, M.N. Anufriev, N.O. Pozhar, R.P. Ermakov, R.R. Yunusov, V.L. Kurochkin, Y.V. Kurochkin","cross_cats":["cs.CR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-28T11:34:32Z","title":"Quantum-secured data transmission in urban fibre-optic communication lines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.09831","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:d4c05512d506265ad038d206d4306942afd3379213f396ca03874514b21178dc","target":"record","created_at":"2026-05-18T00:14:21Z","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":"45a29358b4366325fc780ff45b1385de9c6f5589670f8ba53c1276d4dac20b05","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-28T11:34:32Z","title_canon_sha256":"94ad3f5a808f9afb7357957464ebbb145dc17dc7ecf6b454f5aa221aef1cf0d6"},"schema_version":"1.0","source":{"id":"1712.09831","kind":"arxiv","version":2}},"canonical_sha256":"397effb6276b2f56625d76b94786686bdb4a44590ec2ce5c5a72c74844556707","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"397effb6276b2f56625d76b94786686bdb4a44590ec2ce5c5a72c74844556707","first_computed_at":"2026-05-18T00:14:21.988683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:21.988683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D4v0ITYuxYtgkubI6nHH63IWonUkPsVew/8yx0mzCrrUnK/UDrjcbHTzxbIyHqZENHrx4s+hfZgx3PYnoR7cBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:21.989378Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.09831","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4c05512d506265ad038d206d4306942afd3379213f396ca03874514b21178dc","sha256:b4997b3663c059f1bab966f308d90b60651d006720a20e38ccde708fe227e1e8"],"state_sha256":"838c67e55563b3ad516ecdcf30fc06e6f4b68990df288075d3cd6bf4dee44b18"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vm/FtqglqrmxfDJDYb9Ikxv+fzqkaV+RJ5fgi2OWSx1wrEYRLktwJW0MZPZCLckz38W+7XIgLarUroZ2HYjfAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:41:16.325994Z","bundle_sha256":"78af42f2fba2504f9f1ed93a1623c4b021c35573e7d98ef7a87249153c0f3e75"}}