The etherbrain remembers etherpads for you so you don't have to.
To archive https://public.etherpad-mozilla.org/p/XXX visit https://etherbrain.herokuapp.com/moz/XXX/
The archived page will be available at https://etherpad-archive.github.io/moz/XXX.md, note the .md
ending.
You can help out by looking at the issues or making a pull request.