It says it was published at published on 2015-11-21
Well, it seems he's ok then, glad to see he is still fine. I hope they are still working in Darkwallet. I think I heard Cody Wilson talking about him in other podcast the other day saying he was ok, but there was another guy that disappeared for sure, I don't remember the name. Let's just hope all those cool anonymous wallets continue being developed without people randomly disappearing in the process.
That soundcloud is not recent.. it was published recently yes, but it was recorded a year ago, notice the tag "classic". Also when you start listening to it the host says that it was recorded in 2014. Therefore, the guy is still missing as far as I know. The last stuff I have seen were it was confirmed to be him talking are all from a year ago at least.