{"slot": "IU_0551", "verdict": "ACCEPT", "name": "Rivet", "scores": {"brief": 9, "silhouette": 8, "style": 9, "originality": 6}, "reason": "sha256 matches. Steel square-headed bot, black dot eyes, moss cap with gold badge, navy overalls with straps/bib pocket over bone shirt. Decoded: 512px = exact 32x32 grid, 8 colours all in palette, bg #0c1610, thick black outline, no text. Design fairly generic."}