{
  "demo": true,
  "schema_version": "1.0",
  "observed_at": "2026-09-21T12:00:00Z",
  "notice": "Fictional fixed sample. Not live telemetry. No hardware connection.",
  "fleet_id": "silicon-lab",
  "algorithm": "sha256d",
  "workers_total": 4,
  "workers_reporting": 3,
  "workers_offline": 1,
  "hashrate_th_s": 600,
  "power_w": 12000,
  "efficiency_j_th": 20
}