{
    "last_updated_utc":  "2025-09-19T22:48:24Z",
    "totals":  {
                   "nodes_online":  1,
                   "nodes_registered":  0,
                   "jobs_completed":  5,
                   "donated_cpu_hours":  2,
                   "donated_gpu_hours":  0
               },
    "note":  "Stub metrics for public transparency demo. Replace via your internal publisher when ready."
}