RE: Temporary notes in Emacs buffers?

[Drew Adams]

> > An approach not yet mentioned is including some form of
> > UUID as a file local variable.  In such a setting notes
> > indirect through a persistent UUID-to-path map.  A file
> > handler recognizes relevant operations on UUID annotated
> > and updates the map.  This might also include updating
> > the new copy's UUID to preserve uniqueness.
> 
> But Emacs would have to prompt, because if the copy is meant as backup,
> the UUID shouldn't be changed.  And if I happen to not use Emacs (but
> e.g. rsync) those handlers would not run, right?

My question about this is (still) how do you use
`find-file' (or something else) to open a file
for editing, given just the inode/UUID?

Such a thing could be recorded in a bookmark,
but how to use it, to get to the file, with
Emacs?