bf12 about 4 years ago md5_mismatchThe image of this post (danbooru url ) has md5 Sum 69cb69fbff0313b002be4eae78a23031But MD5 sum of the source image from this page (url of source from this page) is different (MD5 sum ada149fa0f5976eff54cf9203c65487d) direct link I apologize for the poor knowledge of English.