I have a folder of MP3s, some of which date back to 1999, just a few years after the format was popularised. Most of them have utterly terrible names (think RIDEONAM.MP3). I think at this point they might even survive the heat death of the universe. And they’ll still be terribly-organised.
ZFS is your friend.
https://superuser.com/questions/1637641/how-exactly-do-btrfs-zfs-and-related-filesystems-prevent-bit-rot
But nothing replaces a good backup strategy! Borg backup can help you there.