The 3 addresses are listed. Did any of the transfers from those 3 addresses go out to the donators?
Can't tell cause the guy used the bitcointip bot to hand out the payments
Actually you can because the bot creates a blockchain.info wallet for every user, read that on it's subreddit. So you can actually tip the guys and find their addresses to see if some of them are linked to the hack.
Btw, nice hat gweedo, let me get mine...