Decipher particular short cursive inscription (is it really 习近平's signature?) During his visit in the Czech Republic, the president of PRC Xi Jinping (习近平) has made a record in the castle of Lany guestbook. Its photo was posted publicly.

The second line 二〇一六年三月廿八日 is obviously the date 2016-03-28,
but what are the main three characters above? They don't look like the name signature much.
That's 習近平 (Xi Jinping)'s signature. Just written in Traditional Chinese characters.

EDIT:

This is Xi's signature on his dissertation (Doctor of Laws):