{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:4SDIO3M2AD2U3T47O7JTBVIWT3","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":"05e47d15583a5b2dfcbe3eb5755add563683e0cea81c3382405978db74c6d9f5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-14T12:32:50Z","title_canon_sha256":"397340aed93c0142b8173e3f638f000b9cd9010b3396f064bcd2ac4f5ef352f5"},"schema_version":"1.0","source":{"id":"2403.09339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.09339","created_at":"2026-07-05T09:00:36Z"},{"alias_kind":"arxiv_version","alias_value":"2403.09339v1","created_at":"2026-07-05T09:00:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.09339","created_at":"2026-07-05T09:00:36Z"},{"alias_kind":"pith_short_12","alias_value":"4SDIO3M2AD2U","created_at":"2026-07-05T09:00:36Z"},{"alias_kind":"pith_short_16","alias_value":"4SDIO3M2AD2U3T47","created_at":"2026-07-05T09:00:36Z"},{"alias_kind":"pith_short_8","alias_value":"4SDIO3M2","created_at":"2026-07-05T09:00:36Z"}],"graph_snapshots":[{"event_id":"sha256:2d175c24da3490f6ac139bb94ddea7e6f80e363e57564b5cc7923f5d2aa49f20","target":"graph","created_at":"2026-07-05T09:00:36Z","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/2403.09339/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum key distribution is a cornerstone of quantum technology, offering information-theoretical secure keys for remote parties. With many quantum communication networks established globally, the mode-pairing protocol stands out for its efficacy over inter-city distances using simple setups, emerging as a promising solution. In this study, we employ the mode-pairing scheme into existing inter-city fiber links, conducting field tests across distances ranging from tens to about a hundred kilometers. Our system achieves a key rate of $1.217$ kbit/s in a $195.85$ km symmetric link and $3.089$ kbi","authors_text":"Chao-Wu Zhou, Hao-Tao Zhu, Hong He, Jianjun Tang, Jian-Wei Pan, Ming Cheng, Mi Zou, Shibiao Tang, Teng-Yun Chen, Wen-Xin Pan, Xiandu Jin, Xiongfeng Ma, Yizhi Huang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-14T12:32:50Z","title":"Field test of mode-pairing quantum key distribution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.09339","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":"sha256:87c46f533a03977bb9d3aaf1d76ed2ff03e7bc771fe28efbe341ab21b55f5da0","target":"record","created_at":"2026-07-05T09:00:36Z","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":"05e47d15583a5b2dfcbe3eb5755add563683e0cea81c3382405978db74c6d9f5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-14T12:32:50Z","title_canon_sha256":"397340aed93c0142b8173e3f638f000b9cd9010b3396f064bcd2ac4f5ef352f5"},"schema_version":"1.0","source":{"id":"2403.09339","kind":"arxiv","version":1}},"canonical_sha256":"e486876d9a00f54dcf9f77d330d5169edd585b6fdf0f41455d804c4568c58413","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e486876d9a00f54dcf9f77d330d5169edd585b6fdf0f41455d804c4568c58413","first_computed_at":"2026-07-05T09:00:36.542781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:00:36.542781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FSsAVVH7qHkdf9rnCoMp0opH+Bri/XpKZOJJ126dpq7XwZ6lVzOvff8luNC2LHzu5qAsYRTinqnEp/JLlbtAAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:00:36.543313Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.09339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87c46f533a03977bb9d3aaf1d76ed2ff03e7bc771fe28efbe341ab21b55f5da0","sha256:2d175c24da3490f6ac139bb94ddea7e6f80e363e57564b5cc7923f5d2aa49f20"],"state_sha256":"a460082eb5318d5d633b1fe10a1e4d6514422219823a7f1ef9cad1f660f9b688"}