It worked instantly for me. As good as anything else.

You get other features with it for free. Popular chunks will be easier to obtain as many have them and preservation starts with rare pieces. You'd want common use to be fast and uncommon to complete eventually.

If a new torrent uses the same folder name the new files will appear next to the old ones but if so desired the old files may be duplicated into the new torrent.

Its not IPFS but it works.

If you can get a person or organization to sign off on the data I'd say its a feature rather than a bug?

Let the professor publish his data set and let interested parties store it without much effort.