How can i get custom field to apear on my wordpress admin area (post_type)

Maybe you have the wrong hook for include the custom post type?
Do you init your CPT with the function register_post_type() on hook init?

But the settings from the top was saved via AJAX in the database to each users.
Check for users the table usermeta.
Search for item with meta_key metaboxhidden_stiri.
See the value for this entry. This is a serialiced entry, but you can see, which meta box are hidden on start to edit a post to this CPT.

For example a entry: a:3:{i:0;s:10:"postcustom";i:1;s:16:"commentstatusdiv";i:2;s:7:"slugdiv";}

Also give it a meta_mey for default closed items: closedpostboxes_stiri. Check also this.