{"affectedAsns":[],"affectedDomains":[],"affectedServices":[],"anomalyRate":0.8663514103661597,"attribution":{"asns_attributed":0,"domains_attributed":0,"methods":[],"note":"Aggregated from this incident's linked evidence rows — only domains, ASNs, and blocking methods the evidence literally records are shown, with the per-item evidence count. No per-domain/per-ASN attribution is present in the linked evidence for this incident (e.g. country/ASN-level outage signals).","sources":[],"top_asns":[],"top_domains":[]},"confidence":0.9455405641464639,"corroboration":{"description":"No evidence available","level":"none","score":0,"sourceCount":0,"sources":[]},"country":"CN","countryName":"China","createdAt":"2026-05-21T20:02:28.107112+00:00","description":"Backfilled from OONI historical archive. 5 anomalous day(s), 19 measurements, 87% anomaly rate. Signal types: block, interference. Signal levels: critical.","duration":8640,"durationHours":144,"endTime":"2022-03-13T23:59:59Z","evidence":[],"evidenceCount":0,"evidenceSourceBreakdown":{},"evidenceSpan":null,"flag":"🇨🇳","generated_at_utc":"2026-09-20T10:36:24.349166Z","hashId":"cbf3bd932a5d","id":"CN-2022-0331","incidentType":"censorship","measurementCount":19,"mechanism":"dns-blocking","readableId":"CN-2022-0331","reportUrl":"https://api.voidly.ai/data/incidents/cbf3bd932a5d/report?format=markdown","revision":1,"severity":"critical","severityGrade":"B","sources":["ooni-historical-backfill"],"startTime":"2022-03-08T00:00:00Z","status":"confirmed","title":"Historical blocking: CN 2022-03-08 to 2022-03-13","updatedAt":"2026-05-21T20:02:28.107112+00:00"}