{
  "accepted_uploads": 15602,
  "github_accounts": 206,
  "unique_sources": 9627,
  "unique_hard_sources": 871,
  "tier_status": {
    "hard/succeeded": 847,
    "easy/succeeded": 11112,
    "medium/succeeded": 2509,
    "easy/failed": 849,
    "medium/failed": 195,
    "hard/failed": 90
  },
  "hard_successful_runs_certifying_any_depth": 18,
  "hard_certifying_accounts": 5,
  "hard_seen_depth_by_run": {
    "None": 829,
    "64": 16,
    "32": 1,
    "8": 1
  },
  "ranked_entries": 146,
  "ranked_certifying_entries": 3,
  "null_depth_meaning": "No certified rung recorded. Consult each result profile to distinguish missing fields from evaluated failures."
}