a 444x666 pixel image with 1-bit colour. The background is black, and the foreground colour is a slightly pinkish red. At the top it says "$ md5sum hashquine_by_retr0id.png". Left of centre, there is a dithered image of a dragon eating its own tail, in a vertical figure-8 shape. Down the righthand side of the image, the MD5 is displayed in a 7-segment font.
https://retr0.id/media/a13f403f-fff5-4f40-b9a2-13cce355f61b/hashquine_by_retr0id.png