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Just noticed my google search results page has changed. Anyone else seeing this? Screenshot http://cl.ly/2h0v2i2w191O32082U0T

I just bought a domain about a week ago and instantly ranked number 4 for for my keywords with the domain keyword bonus. I created a landing page off the root of my domain while I'm building out my main site. I accidentally did a 301 redirect instead of a 302 from my root to my landing paging and this resulted in me losing my position and only being about to find my domain in the google if I searched for my domain specifically. Anyway to regain my original position? I have removed the redirect. Have I been put in the sandbox?