So expecting you to prove your premise that these subpoenas were real makes me a flat Earther? Is that what we are going with now?
You are overlooking compelling evidence that the subpoena exists in order to continue hammering your one go-to line of "SHOW ME THE SUBPOENA!" This is quite similar to what flat earthers do when they shout "SHOW ME THE EARTH IS ROUND!" while ignoring a large body of evidence suggesting that it is.
The non-existence of the subpoena is independent of Mike Pompeo. How many months do you need to find it? Just give me a number.
I will answer your question: I don't know. It may never appear online.
Now please answer mine: is Mike Pompeo wrong or lying when he mentions receiving a subpoena in his letter to the house committee? If he is not wrong or lying, then what is he talking about when he uses the word "subpoena"?

I am not overlooking any evidence of anything. Some people said there were subpoenas. And? That is not proof it exists or evidence of anything other than some one said it does.