Cooking.SE is currently a hidden community for me; I hid the community from my profile a long time ago (probably at least a year ago). When I am logged out, my user profile on the main site correctly shows only "Seasoned Advice" under the Communities section and none of my top network posts.
However, on my meta user profile on Cooking.SE, zero communities are shown under "Communities" for me when I am not logged in. (In contrast, my communities appear correctly on my meta profiles for sites I have not hidden, such as Anime.SE.) Moreover, a list of my top network posts appears. This behaviour seems inconsistent with that of main site user profiles on hidden communities.