[
  {
    "timestamp": "2024-03-15T10:22:00Z",
    "measured_p": 0.091,
    "freeze_ok": false,
    "setup_fingerprint": "abcd1234",
    "policy_hash": "9de0fdf3"
  },
  {
    "timestamp": "2024-03-15T10:24:30Z",
    "measured_p": 0.085,
    "freeze_ok": true,
    "setup_fingerprint": "abcd1234",
    "policy_hash": "9de0fdf3"
  },
  {
    "timestamp": "2024-03-15T10:28:00Z",
    "measured_p": 0.0975,
    "freeze_ok": true,
    "setup_fingerprint": "efgh5678",
    "policy_hash": "aa88cc77"
  },
  {
    "timestamp": "2024-03-15T10:31:15Z",
    "measured_p": 0.105,
    "freeze_ok": false,
    "setup_fingerprint": "efgh5678",
    "policy_hash": "aa88cc77"
  }
]