The posts already verified themselves. There's no way someone who is trying to impersonate Q going to take the time to research every single post out there just to plan how to post right now.
The first post of the night was 1700 days after his very first post.
It also has a time delta matching Qpost 2897 which is talking about abortions.
The other 2 posts I believe also had similar connections to other similar coincidences.