{
  "id": "v02-leaf-payload-exact-bytes",
  "chapter": "02",
  "title": "leaf payload normalizes id and sha to lowercase, issued_at to ISO ms, keys sorted",
  "check": "leaf_payload",
  "input": {
    "leaf": {
      "receipt_id": "TR_AB12CD34EF56",
      "prefix": "tr",
      "sha256": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
      "issued_at": "2026-07-04T00:00:00Z"
    }
  },
  "expect": {
    "verdict": "pass",
    "canonical": "{\"issued_at\":\"2026-07-04T00:00:00.000Z\",\"prefix\":\"tr\",\"receipt_id\":\"tr_ab12cd34ef56\",\"sha256\":\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"}"
  }
}