scambra/devise_invitable — comment on commit 323854ad74b16db1ab95f79a1bddef9cad64438e
File: lib/devise_invitable/model.rb line 36
By scambra:

I used Time.now.utc because it's used in devise too.
Anyway they will be the same where they are persisted, if you call to_s(:db) they return the same string