They've been constantly trying to set up P2P solutions. Torrents, DWEB, IPFS, Filecoin, WebTorrent, YJS, whole bunch of tech acronyms. I'm not sure much of it has really caught on?

https://blog.archive.org/tag/decentralized-web/

https://github.com/internetarchive/dweb-transports

Third-party attempt:

https://wiki.archiveteam.org/index.php/INTERNETARCHIVE.BAK

Turns out it's hard! Or maybe just too niche. But you can also help them today, by seeding some of collections that are available as torrents.