I disagree, think about it. Madara saw the Gedo Mazou when? At the very beginging before his plan had gone into motion? Now let me show you something:
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Now this is when they are sealing Gaara, and in this scan we see the mouth is opened and there is nothing in their. And yet:
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Here we see that the piece has re-appeared?
I think this isnt a scroll, I think it is merely a mouthpiece of the Gedo. It is a play on "See no evil, hear no evil, speak no evil" Its eyes are blinded, its ears covered, and mouth shut.