Fresh engine, wiped cam? Tick? (new pics added)

Is "ok" good enough, or should I be looking into a new cam?

I don't know what that discoloration is? I was there when they were building it, and nothing seemed out of the ordinary (however I wasn't there 24/7). It's not flaking off or anything. The whole thing just seems unusual, don't it? Maybe I should just drive the ting and tick away?!?! :)