Yes. It's an error code for the Hyper Text Coffee Pot Control Protocol (RFC 2324)[1] and the author[2] has no Utah nor particular graphics background.

[1] https://datatracker.ietf.org/doc/html/rfc2324 , https://en.wikipedia.org/wiki/Hyper_Text_Coffee_Pot_Control_...

[2] https://en.wikipedia.org/wiki/Larry_Masinter