{
  "slug": "probe.auth_walled",
  "title": "Auth-walled (alive but unverifiable outside)",
  "grade": "observed",
  "unit": "count",
  "value": 2852,
  "as_of": "2026-08-14",
  "sql": "SELECT COUNT(*) FROM probes WHERE run_id=(SELECT id FROM runs WHERE kind='census' ORDER BY started_at DESC LIMIT 1) AND outcome='auth_required'",
  "note": "Answered but demanded credentials \u2014 its own class, never dead, never verified.",
  "history": [
    {
      "period": "2026-08-13",
      "value": 2747.0
    },
    {
      "period": "2026-08-14",
      "value": 2747.0
    },
    {
      "period": "2026-08-15",
      "value": 2852.0
    }
  ]
}