{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:YRRXM2CT52WMOCLAKPJ4E2KHLE","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":"93e6a114fa06a93384108eb808998bae42945da29e0668d8003f528b184361f2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-12T18:01:17Z","title_canon_sha256":"0f1fc370612d99de1d98b35709f903a676296123141d82e8fc21b605b9f931c1"},"schema_version":"1.0","source":{"id":"1810.05654","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.05654","created_at":"2026-05-17T23:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"1810.05654v2","created_at":"2026-05-17T23:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.05654","created_at":"2026-05-17T23:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"YRRXM2CT52WM","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YRRXM2CT52WMOCLA","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YRRXM2CT","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:ffdf0d26908690e88dfd6582845ebf527a98e36df82a3f4cab8f7f496168fd50","target":"graph","created_at":"2026-05-17T23:55:03Z","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 measurement range problem, where one cannot determine the data outside the range of the detector, limits the characterization of entanglement in high-dimensional quantum systems when employing, among other tools from information theory, the entropic uncertainty relations. Practically, the measurement range problem weakens the security of entanglement-based large-alphabet quantum key distribution (QKD) employing degrees of freedom including time-frequency or electric field quadrature. We present a modified entropic uncertainty relation that circumvents the measurement range problem under ce","authors_text":"Hoi-Kwong Lo, J. Eli Bourassa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-12T18:01:17Z","title":"Entropic uncertainty relations and the measurement range problem, with consequences for high-dimensional quantum key distribution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.05654","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:fa4166c0bca22273d5c6bd9e9f647c8a2a20d1dbde5e7ae9d2fa09531684b9b8","target":"record","created_at":"2026-05-17T23:55:03Z","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":"93e6a114fa06a93384108eb808998bae42945da29e0668d8003f528b184361f2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-12T18:01:17Z","title_canon_sha256":"0f1fc370612d99de1d98b35709f903a676296123141d82e8fc21b605b9f931c1"},"schema_version":"1.0","source":{"id":"1810.05654","kind":"arxiv","version":2}},"canonical_sha256":"c463766853eeacc7096053d3c26947591f9ad77b08253891ade730982f3ac4c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c463766853eeacc7096053d3c26947591f9ad77b08253891ade730982f3ac4c3","first_computed_at":"2026-05-17T23:55:03.236069Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:03.236069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cTHU03PxeCt8HraKYJcIgTRIO+HOB6p/YNJ2nCwuevzj5NKAFDYeTSQBSmzekEz+YbEMpGQSQQJurCyGDExSBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:03.236484Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.05654","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa4166c0bca22273d5c6bd9e9f647c8a2a20d1dbde5e7ae9d2fa09531684b9b8","sha256:ffdf0d26908690e88dfd6582845ebf527a98e36df82a3f4cab8f7f496168fd50"],"state_sha256":"745ab2d1f1f9852b20025977025a56e55597da6b04c2997f4dce3dedd0ba980a"}