JSON is valid and the file is untracked (not added to git) as required.

Verdict: ACCEPT — slot IU_0044 "Bubblegum Bear"

Evidence gathered directly from the downloaded file (sha256 matched the expected hash):

• Traits: bear face/ears, exact bubblegum fill #ea8bb6, black square dot eyes, no headgear, navy jacket with lapels — all present and unambiguous.
• Style: pixel analysis confirmed exactly 11 solid colors in uniform 16×16px blocks on a 512×512 canvas (true 32×32 grid, no anti-aliasing), background exactly #0c1610 with zero stray pixels in the background region itself, thick black outlines throughout, single centered bust with shoulders touching the bottom edge, no text/watermark.
• Minor originality note: a few phosphor-green (#39ff6a, in-palette) accent pixels sit on the jacket/collar, not in the background — a stylistic detail, not a rule violation.

Scores: brief 10, silhouette 9, style 10, originality 8. Output written to artifacts/review.json only (left untracked, per instructions).