Well, there is a document outlining the recommended naming convention here:
pianobook co uk / resources / how-to-sample / recording-your-piano
It also states that:
When naming your samples, make sure you include the name of the note (using sharp ‘#’ signs rather than flat ‘b’ signs) to make it possible to auto-map your samples into a sampler. Also include the velocity layer in the name or “RT” for release triggers. Files should be saved at 48khz, 24bit, wav.
But don’t expect musicians to follow any rules, Ha Ha!