Yes; it's referred to in Oxide's RFD about RFDs [1] https://rfd.shared.oxide.computer/rfd/0001 but the referenced URL is 404 unless you're an Oxide employee.

[1] https://rfd.shared.oxide.computer/rfd/0001#_shared_rfd_rende... [2] https://github.com/oxidecomputer/rfd/blob/master/src