{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:ZOZMQ2VWNNY3XN7WLG3TSXREGY","short_pith_number":"pith:ZOZMQ2VW","canonical_record":{"source":{"id":"2309.03959","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-07T18:22:10Z","cross_cats_sorted":[],"title_canon_sha256":"6d5afaae33693c8e15e86db772f1e0e81e9f3744b215fcd4a99dc7c76cdf76f3","abstract_canon_sha256":"515271e2ff512df6462fbb99ed979a4f955bdf27c02a5afd69a60a903e55fa13"},"schema_version":"1.0"},"canonical_sha256":"cbb2c86ab66b71bbb7f659b7395e243636841deac5268933a4b8be51f5e53c98","source":{"kind":"arxiv","id":"2309.03959","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.03959","created_at":"2026-07-05T08:07:29Z"},{"alias_kind":"arxiv_version","alias_value":"2309.03959v2","created_at":"2026-07-05T08:07:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.03959","created_at":"2026-07-05T08:07:29Z"},{"alias_kind":"pith_short_12","alias_value":"ZOZMQ2VWNNY3","created_at":"2026-07-05T08:07:29Z"},{"alias_kind":"pith_short_16","alias_value":"ZOZMQ2VWNNY3XN7W","created_at":"2026-07-05T08:07:29Z"},{"alias_kind":"pith_short_8","alias_value":"ZOZMQ2VW","created_at":"2026-07-05T08:07:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:ZOZMQ2VWNNY3XN7WLG3TSXREGY","target":"record","payload":{"canonical_record":{"source":{"id":"2309.03959","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-07T18:22:10Z","cross_cats_sorted":[],"title_canon_sha256":"6d5afaae33693c8e15e86db772f1e0e81e9f3744b215fcd4a99dc7c76cdf76f3","abstract_canon_sha256":"515271e2ff512df6462fbb99ed979a4f955bdf27c02a5afd69a60a903e55fa13"},"schema_version":"1.0"},"canonical_sha256":"cbb2c86ab66b71bbb7f659b7395e243636841deac5268933a4b8be51f5e53c98","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:07:29.186311Z","signature_b64":"Uv9LviqAcb1huBzLCeU9ZvcVfFoMfLoxaNog4EeVStACnB+iGrLiiQDwnPt9Dkh3uxK85byC0RuweXsSWWJ9AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cbb2c86ab66b71bbb7f659b7395e243636841deac5268933a4b8be51f5e53c98","last_reissued_at":"2026-07-05T08:07:29.185817Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:07:29.185817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.03959","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":"2026-07-05T08:07:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kKZ2M1kaoO6gPVnidPpvv6Z2CO2iufUj24Zze4PXaq4nxnkK+IXvUv7Klgafw+7NuRJOOQ+RKeJzhvw5ZXHrBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T02:38:27.454362Z"},"content_sha256":"14b9651db218f0c26b991771112e16588793bee2aa3b2ab75be24516e67b543d","schema_version":"1.0","event_id":"sha256:14b9651db218f0c26b991771112e16588793bee2aa3b2ab75be24516e67b543d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:ZOZMQ2VWNNY3XN7WLG3TSXREGY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Continuous-variable quantum key distribution field-test with true local oscillator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bing Qi, Brian P. Williams, Muneer Alshowkan, Nicholas A. Peters, Philip G. Evans","submitted_at":"2023-09-07T18:22:10Z","abstract_excerpt":"Continuous-variable quantum key distribution (CV-QKD) using a true local (located at the receiver) oscillator (LO) has been proposed to remove any possibility of side-channel attacks associated with transmission of the LO as well as reduce the cross-pulse contamination. Here we report an implementation of true LO CV-QKD using \"off-the-shelf\" components and conduct QKD experiments using the fiber optical network at Oak Ridge National Laboratory. A phase reference and quantum signal are time multiplexed and then wavelength division multiplexed with the classical communications which \"coexist\" wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.03959","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2309.03959/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:07:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+z7Sc9MmuAjQVky74ecaK6cV8ZQFWQfsgk2IWgrsjPS1ONt8+I6XDCBTxVy8eIovGqzx3fuHc0DhKpvzs9qLAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T02:38:27.454854Z"},"content_sha256":"106c6b88192d0f7190324cb9e5a3353357903171f4e907e26dd04123ee09ac06","schema_version":"1.0","event_id":"sha256:106c6b88192d0f7190324cb9e5a3353357903171f4e907e26dd04123ee09ac06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZOZMQ2VWNNY3XN7WLG3TSXREGY/bundle.json","state_url":"https://pith.science/pith/ZOZMQ2VWNNY3XN7WLG3TSXREGY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZOZMQ2VWNNY3XN7WLG3TSXREGY/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":"2026-08-10T02:38:27Z","links":{"resolver":"https://pith.science/pith/ZOZMQ2VWNNY3XN7WLG3TSXREGY","bundle":"https://pith.science/pith/ZOZMQ2VWNNY3XN7WLG3TSXREGY/bundle.json","state":"https://pith.science/pith/ZOZMQ2VWNNY3XN7WLG3TSXREGY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZOZMQ2VWNNY3XN7WLG3TSXREGY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:ZOZMQ2VWNNY3XN7WLG3TSXREGY","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":"515271e2ff512df6462fbb99ed979a4f955bdf27c02a5afd69a60a903e55fa13","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-07T18:22:10Z","title_canon_sha256":"6d5afaae33693c8e15e86db772f1e0e81e9f3744b215fcd4a99dc7c76cdf76f3"},"schema_version":"1.0","source":{"id":"2309.03959","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.03959","created_at":"2026-07-05T08:07:29Z"},{"alias_kind":"arxiv_version","alias_value":"2309.03959v2","created_at":"2026-07-05T08:07:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.03959","created_at":"2026-07-05T08:07:29Z"},{"alias_kind":"pith_short_12","alias_value":"ZOZMQ2VWNNY3","created_at":"2026-07-05T08:07:29Z"},{"alias_kind":"pith_short_16","alias_value":"ZOZMQ2VWNNY3XN7W","created_at":"2026-07-05T08:07:29Z"},{"alias_kind":"pith_short_8","alias_value":"ZOZMQ2VW","created_at":"2026-07-05T08:07:29Z"}],"graph_snapshots":[{"event_id":"sha256:106c6b88192d0f7190324cb9e5a3353357903171f4e907e26dd04123ee09ac06","target":"graph","created_at":"2026-07-05T08:07:29Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2309.03959/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Continuous-variable quantum key distribution (CV-QKD) using a true local (located at the receiver) oscillator (LO) has been proposed to remove any possibility of side-channel attacks associated with transmission of the LO as well as reduce the cross-pulse contamination. Here we report an implementation of true LO CV-QKD using \"off-the-shelf\" components and conduct QKD experiments using the fiber optical network at Oak Ridge National Laboratory. A phase reference and quantum signal are time multiplexed and then wavelength division multiplexed with the classical communications which \"coexist\" wi","authors_text":"Bing Qi, Brian P. Williams, Muneer Alshowkan, Nicholas A. Peters, Philip G. Evans","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-07T18:22:10Z","title":"Continuous-variable quantum key distribution field-test with true local oscillator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.03959","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":"sha256:14b9651db218f0c26b991771112e16588793bee2aa3b2ab75be24516e67b543d","target":"record","created_at":"2026-07-05T08:07:29Z","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":"515271e2ff512df6462fbb99ed979a4f955bdf27c02a5afd69a60a903e55fa13","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-07T18:22:10Z","title_canon_sha256":"6d5afaae33693c8e15e86db772f1e0e81e9f3744b215fcd4a99dc7c76cdf76f3"},"schema_version":"1.0","source":{"id":"2309.03959","kind":"arxiv","version":2}},"canonical_sha256":"cbb2c86ab66b71bbb7f659b7395e243636841deac5268933a4b8be51f5e53c98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cbb2c86ab66b71bbb7f659b7395e243636841deac5268933a4b8be51f5e53c98","first_computed_at":"2026-07-05T08:07:29.185817Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:07:29.185817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Uv9LviqAcb1huBzLCeU9ZvcVfFoMfLoxaNog4EeVStACnB+iGrLiiQDwnPt9Dkh3uxK85byC0RuweXsSWWJ9AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:07:29.186311Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.03959","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14b9651db218f0c26b991771112e16588793bee2aa3b2ab75be24516e67b543d","sha256:106c6b88192d0f7190324cb9e5a3353357903171f4e907e26dd04123ee09ac06"],"state_sha256":"c604f3e783a7d49bef8f0ac27b6f21a93c3325526d679b1c3f7c15f037ab765f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E8l8sz4ElyFWavTMfns57ehcYPxDREHYctj+DWMA3mmasdxrP7Ceif1pEuSra+o1DE8ws5cnDDJztGh1g5lDDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T02:38:27.458388Z","bundle_sha256":"2c41fce3bd809d033c31d2b8a23bad49b39c098f33569fdd91357d15efa911d5"}}