The Chifir computer is the definition of a universal virtual machine designed to host and archive projects. The example project to be hosted on the vm was Smalltalk-72, but its design did not reflect how this was to be done, and the lack of I/O made it unclear that it would even be a viable target for the system.

Relevance to permacomputing

The paper from which this specification originates considers issues of digital preservation and digital obsolescence.