Druuid 


Druuid is a Date-relative (and relatively universally unique) UUID generator. It's based on Recurly's UUID generator which is based on Instagram's snowflake. To understand the properties and the reasons why you'd want to use this, see Recurly's README.
Documentation
You can find documentation on Hexdocs
Disclaimer
This library is not quite ready for production. Use at your own peril.
Installation
This library is available as a package on hex. Just add
as a depedency to your mix.exs:
def deps do
[{:druuid, "~> 0.3"}]
end