We do this via Copycat (https://github.com/snaplet/copycat https://github.com/snaplet/copycat). We generate static "fake values" by hashing your original value

We do this via Copycat (https://github.com/snaplet/copycat https://github.com/snaplet/copycat). We generate static "fake values" by hashing your original value to a number, and map that to a fake-value.