{
 "stamps": {
  "window_days": 30,
  "stamps": 3,
  "verdicts": {
   "pass": 1,
   "fail": 1,
   "inconclusive": 1
  }
 },
 "log": {
  "entries": 3,
  "last_seq": 3,
  "head_hash": "e0f700b17ee7c8e9c4cd39832570041c9910f2c76ac0d671064b9c7cc36d4783",
  "last_time": "2026-11-08T00:32:21+00:00",
  "key": {
   "key_id": "cs-7d286a97ec3c",
   "algorithm": "ed25519",
   "public_key_base64": "KDLqPfw015Flrq8nslm6BEgrB0DNgWIO9njMZDAN+/s=",
   "signs": "the entry_hash (hex string, UTF-8 bytes) of every stamp",
   "entry_hash": "sha256 of the canonical JSON of the stamp without entry_hash and signature (sorted keys, separators , and :, UTF-8)"
  }
 },
 "last_self_test": {
  "ran_at": "2026-11-08T10:17:02Z",
  "log_audit": {
   "entries": 3,
   "ok": true,
   "problems": []
  },
  "battery": {
   "cases": 13,
   "right": 13,
   "wrong": 0,
   "unknown_network": 0,
   "wrong_cases": []
  },
  "candidate_checks": [],
  "stamps": {
   "window_days": 30,
   "stamps": 3,
   "verdicts": {
    "pass": 1,
    "fail": 1,
    "inconclusive": 1
   }
  }
 },
 "method": "Each day the improvement loop (1) walks the whole public log and re-checks every hash, link and signature, and (2) runs a battery of planted cases (right and wrong arithmetic, real and fake quotes, dead links, bad code) and records any case Countersign got wrong. Cases it cannot check yet are listed as candidate checks.",
 "candidate_checks": []
}