In order to unhide a fact, you need to publish a new version:
(1) Open the hidden fact by inserting its infoID in the address line of your web browser or by searching for it (see chapter "Display hidden facts").
(2) Now, you have two possibilities:
(a) Click on "edit" next to the title of the fact.
(b) Click on “edit” in the left column.
(3) If you want to, you can edit the information of the hidden fact. However, you do not need to change anything.
(4) Click on "next >>".
(5) Set permissions.
(6) Click on “preview”. If you want to change anything click “edit” again otherwise click “publish”.
The hidden fact is now visible again.