Comment by iancarroll

Incremental IDs work best, but if you want you can hash a UUID which will work for your use case:

% uuidgen

B14818B6-4219-43BD-82EF-8421EC1AFBCF

% echo "B14818B6-4219-43BD-82EF-8421EC1AFBCF" | shasum -a 256

00ea501d47789ac5eb559f10d631b3f6df8f82b5cba9c1f9d234b705d89f1704