{"schema":"sb.node.v1","id":"sb:e/eb526aa1cdb43d5e6d4b4b83","kind":"entity","label":{"text":"quantum key distribution","locale":"en"},"identity":{"anchor":"label:en:quantum key distribution","strength":"label"},"asOf":{"knowledgeCutoff":"2026-10-23T15:03:43.007622+00:00","releaseId":"sb-676f61bea301","snapshot":"deploy b162a5100305d06d466370da038562b7cb51ebc9"},"lens":{"kind":"public"},"build":{"plane":"projected","builtFrom":["entity_graph.slim.json","entity_receipts (deploy asset)","event_graph.json","truth_records (deploy asset)","corroborated_record.json"],"rule":"node-projection.entity@v1"},"standing":{"evidence":{"supporting":95,"separatePublishers":22,"basis":"documents that mention the subject and the outlets that carried them; a mention is evidence the referent is in use, not evidence about any claim","receiptsOnTopic":{"state":"partial","share":0.211,"named":20,"of":95,"basis":"documents whose own title or summary lead names the subject, over every counted document that mentions it anywhere (the entity graph's measurement); receipts are drawn only from rows whose own title or URL names the subject (the entity graph's subject gate)","blind":["only 21% of the 95 documents measured name the subject in their own text; the rest mention it in passing, so standing.evidence.supporting overstates coverage about it"]}},"admission":{"state":"provisional","kind":"observed","kindBasis":"no-vocabulary-row","policy":"promotion (observed tier; not promoted)","reason":"seen recurring in the corpus and kept in the graph at the observation bar; not promoted into the vocabulary"},"disposition":{"state":"served","reason":"public record"},"validity":{"from":"2026-09-03","to":"2026-10-22","basis":"first and last day we saw it mentioned; not the subject's own lifetime"},"measurement":{"state":"partial","blind":["assertion coverage 0: about 100% of mentions carry no typed assertion"]}},"dimensions":{"domains":["quantum_computing","quantum_security"],"activeDays":36,"assertions":{}},"up":[],"upNote":"An entity is a root: it is contained by nothing. Pan out by following R.","children":{"count":3,"byKind":{"observation":3},"items":[{"id":"sb:o/48859dda4f88a105854dd004","kind":"observation","label":"Quantum Zeitgeist · 2026-10-06 · Researchers Boost Eavesdropping Success to 0.348 with Learnt Attacks","url":"https://quantumzeitgeist.com/quantum-key-distribution-learnt-attack-eavesdropping-success/","match":{"surface":"url","basis":"admitted by the entity graph's subject gate (title or URL); the headline does not name the subject by the door's on-topic test, the URL path does"}},{"id":"sb:o/7b7b0e5accdc7be3f8c23527","kind":"observation","label":"The Quantum Insider · 2026-09-23 · Cisco and KETS Integrate Quantum Key Distribution With Cisco IOS XR Routers","url":"https://thequantuminsider.com/2026/09/23/cisco-kets-integrate-qkd-ios-xr-routers/","match":{"surface":"title","basis":"admitted by the entity graph's subject gate (title or URL); the headline names the subject as whole words (the door's on-topic test)"}},{"id":"sb:o/649f22b763b527b6802309f4","kind":"observation","label":"Quantum Zeitgeist · 2026-09-04 · QuSecure’s quantum key distribution reaches TRL 7 with Army testing","url":"https://quantumzeitgeist.com/quantum-key-distribution-qusecures-trl/","match":{"surface":"title","basis":"admitted by the entity graph's subject gate (title or URL); the headline names the subject as whole words (the door's on-topic test)"}}],"cursor":null,"order":"newest first; we keep the 3 newest receipts for this entity whose own title or URL (the entity graph's subject gate) names it; each says which in match. Its other observations are counted in standing.evidence.supporting but are not addressable in v1"},"relations":{"count":10,"byKind":{"co-mentioned":10},"items":[{"kind":"relation","label":"co-mentioned with quantum computing (51 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/d2489f734be0dff517928663"},{"kind":"relation","label":"co-mentioned with post-quantum cryptography (46 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/00f5023c95fe7ab9dd566056"},{"kind":"relation","label":"co-mentioned with quantum security (33 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/be1835d58b0b85a4df739c6c"},{"kind":"relation","label":"co-mentioned with ai (31 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/7d60738e717e18bcc5589e20"},{"kind":"relation","label":"co-mentioned with quantum technologies (25 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/9647ad935451e5f81d357f8a"},{"kind":"relation","label":"co-mentioned with crypto (17 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/594bb8db9145f50fa4343fe0"},{"kind":"relation","label":"co-mentioned with nist (14 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/2c2b8dc72f7c56301e86e3ee"},{"kind":"relation","label":"co-mentioned with ionq (14 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/05c29ec64cd3b23620400a20"},{"kind":"relation","label":"co-mentioned with press release (14 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/95437432688b85021304f3d8"},{"kind":"relation","label":"co-mentioned with quantum information (13 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/3f7b5a31d09338fe0e4c9918"}],"cursor":null,"order":"situations first, then claims (the subject's own maintained record, then site-wide corroborated clusters; each label ends with its standing), then co-mentions by shared documents, descending. Co-mentions are the ten strongest the entity graph keeps per entity"},"edge":{"state":"continues"},"links":{"rest":"/api/v1/node/e/eb526aa1cdb43d5e6d4b4b83","mcp":"traverse {\"id\":\"sb:e/eb526aa1cdb43d5e6d4b4b83\"}","page":"/entity/quantum-key-distribution/"},"limits":{"levelsPerCall":1,"pageSize":10,"maxPageSize":50,"membersMax":50,"statement":"One level per call: depth is 1 and only 1, and there is no whole-graph dump. pageSize 1-50 (default 10); a page limit is a cursor, never an edge. Members are listed up to 50. At most 60 traverse calls a minute per caller (runaway-loop protection, not a meter). One knowledge cutoff is served: the deploy's."},"actions":[{"verb":"unfold","lit":true,"effect":"read","layer":"free-record","call":"traverse {\"id\":\"sb:e/eb526aa1cdb43d5e6d4b4b83\",\"level\":\"children\"}"},{"verb":"fold","lit":true,"effect":"read","layer":"free-record","call":"traverse {\"id\":\"sb:e/eb526aa1cdb43d5e6d4b4b83\"}"},{"verb":"panOut","lit":false,"effect":"read","layer":"free-record","reason":"An entity is a root: it is contained by nothing. Pan out by following R."},{"verb":"follow","lit":true,"effect":"read","layer":"free-record","call":"traverse {\"id\":\"sb:e/eb526aa1cdb43d5e6d4b4b83\",\"level\":\"relations\"}"},{"verb":"receipts","lit":false,"effect":"read","layer":"free-record","reason":"receipts are the observations below this node; unfold to reach them"},{"verb":"edge","lit":true,"effect":"read","layer":"free-record","call":"traverse {\"id\":\"sb:e/eb526aa1cdb43d5e6d4b4b83\"}"},{"verb":"asOf","lit":false,"effect":"read","layer":"free-record","reason":"v1 serves one knowledge cutoff, this deploy's; walking an earlier cutoff needs retained history, which v1 does not keep"},{"verb":"switchObserver","lit":false,"effect":"read","layer":"free-record","reason":"the public record is the same for every observer; traversal through a Watch's lens is not served in v1"},{"verb":"readOriginal","lit":false,"effect":"read","layer":"free-record","reason":"no translation is applied on this node; every label is the source's own text"},{"verb":"save","lit":false,"effect":"watch-declaration","layer":"watch","reason":"saving applies to a configured Watch; configure one around this node first (free), then save it"},{"verb":"deliver","lit":false,"effect":"watch-declaration","layer":"watch","reason":"delivery applies to a saved Watch"},{"verb":"format","lit":false,"effect":"watch-declaration","layer":"watch","reason":"output format applies to a saved Watch"},{"verb":"deltaR","lit":false,"effect":"read","layer":"watch","reason":"Delta R needs a saved Watch with a previous reading"},{"verb":"read","lit":false,"effect":"read","layer":"one-time-read","reason":"one-time Reads are not offered through this door; use ask"}]}