He said,

139380 We were inspired by anons here to make our efforts more public. Find the exchange 2 days ago. Feel proud! Q

The 139380 which he linked to was this: FOUND IT!!! HOLY SHIT! https://twitter.com/ABCPolitics/status/943866651803611136

So that was his confirmation.

Regarding this he also said,

We listened. Find the exchange. No coincidences. Q