{
  "slot": "IU_0333",
  "verdict": "REJECT",
  "name": "Cobalt Sentinel",
  "scores": {
    "brief": 10,
    "silhouette": 9,
    "style": 7,
    "originality": 6
  },
  "reason": "SHA-256 matches the supplied artifact hash. Visible: cobalt bear, shades, bandana, armor; one centered bust, no text. Exact 32x32 nearest-neighbor upscale verified. Reject: background is #000000, not required #0c1610; that color occupies only three grid cells."
}