{"affectedAsns":[],"affectedDomains":[],"affectedServices":[],"anomalyRate":0.9551402544823597,"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":0.966056101792944,"corroboration":{"description":"No evidence available","level":"none","score":0,"sourceCount":0,"sources":[]},"country":"CN","countryName":"China","createdAt":"2026-05-21T20:02:28.108624+00:00","description":"Backfilled from OONI historical archive. 1 anomalous day(s), 4 measurements, 96% anomaly rate. Signal types: block, interference. Signal levels: critical.","duration":1440,"durationHours":24,"endTime":"2023-12-02T23:59:59Z","evidence":[],"evidenceCount":0,"evidenceSourceBreakdown":{},"evidenceSpan":null,"flag":"🇨🇳","generated_at_utc":"2026-09-20T09:07:54.420575Z","hashId":"6c925b6c24e5","id":"CN-2023-0540","incidentType":"censorship","measurementCount":4,"mechanism":"dns-blocking","readableId":"CN-2023-0540","reportUrl":"https://api.voidly.ai/data/incidents/6c925b6c24e5/report?format=markdown","revision":1,"severity":"critical","severityGrade":"B","sources":["ooni-historical-backfill"],"startTime":"2023-12-02T00:00:00Z","status":"confirmed","title":"Historical blocking: CN 2023-12-02","updatedAt":"2026-05-21T20:02:28.108624+00:00"}