This discussion exists in a complex legal space.
Sometimes torrent file listings in the Internet Archive are incomplete compared to the direct download files. ps2 redump archive link
: A "Redump" copy is the gold standard in emulation because its data integrity matches the original physical media This discussion exists in a complex legal space
In short: if you see a ROM labeled as "Redump," it is the gold standard. If it isn't, you risk corrupted saves, broken audio, or a game that stops working at hour 20. you risk corrupted saves