I almost mixed this up with Apache Arrow DataFusion for a second: https://github.com/apache/arrow-datafusion

That doesn't surprise me at all. I have politely requested that the project considers renaming to avoid this.

https://github.com/datafuselabs/datafuse/issues/654

Not affiliated with the project but I just created an issue for this: https://github.com/phaazon/luminance-rs/issues/527

Found this after reading the brief section about vending machines in RFC 1288 (The Finger User Information Protocol) [0]. I submitted a Wayback Machine link because, sadly, many of the links on this page are dead.

[0] https://tools.ietf.org/html/rfc1288#section-2.5.5

I was just about to try to grab this and try to contact them to return it, but the WHOIS records say it actually is still registered to them, and it expires in 2023. Phew! Maybe they need to update some DNS records?

Multihash? https://multiformats.io/multihash/