Redump

Unlike a "ROM site," Redump does not distribute games. Instead, it provides the and Hashes (like MD5, SHA-1) that allow you to verify if your personal backup is a perfect 1:1 copy of the original disc.

Why do it again?

: Beyond just the game data, they document regional variants, revisions, ring codes, and even specific languages found on the disc. Standard for Archivists redump