In all liklihood whoever created teh modle only will answer to 'rosity, it's not uncommon for their to be an NDA regarding creator information in these situations. So event hough 'rosity may want to say who did it they simply can't or they risk breech of contract on their end which will bite 'em in the butt in resolving this issue.

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I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.
-Galileo