{
  "slot": "IU_0491",
  "verdict": "ACCEPT",
  "name": "Steel Sentinel",
  "scores": {
    "brief": 10,
    "silhouette": 9,
    "style": 10,
    "originality": 7
  },
  "reason": "SHA-256 matches the supplied artifact ID. One centered bear bust: steel skin, green glow eyes, bare head and armor; shoulders meet bottom. Exact 32x32 upscale, approved colors, #0c1610 background, black outlines; no text. Originality is subjective: familiar armored guardian design."
}