Derp is right on this one, you cant ignore things stated multiple times within the manga just because it makes your theory look better, on multiple occasions we see the Juubi's with one eye and being reffered to as the one eyed one.
"Like how when obito first told of konohas founding the images shown were non canon, as we found out later." - You cant compare these 2 situations, in one the manga had just started and Kishi had probably not thought it out further than the first arc, the second is roughly 300+ chapters into what looks to be an ongoing series. I highly doubt Kishi is just throwing information out at random and then changing it on a whim to suit his needs.
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Until we see an actual flashback, no one can say what the juubi looked like before fighting the rikudo." - Fair enough I can back you on this point, if we see a flashback that shows this change that you forsee then I will agree with you. But until then what is shown in the scans are all we have to go on, and that very same scan contradicts your thread, therefore your thread will be wrong up until we see a flashback.
Btw...
[
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], This is not the Juubi's eye, it is a man made recreation of the Juubi's eye. As last time I checked the Juubi's center pupil wasnt comprised of the Yin/Yang Symbol.
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Here is my spin on your premise which is "Why did the Gedo have 9 eyes which just happened to be the number of the Juubi's pupils and the number of tailed beasts"
The Gedo did not exist prior to the use of Izangi, much like a burned peice of paper does not exist prior to the paper being burned. We know that the Sage created the tailed beast and made 9 of them, so why is it easier to believe that the Sage created the Eye of the Juubi, than it is to believe that he created the Gedo? This itself would explain why the Gedo itself has Uzumaki like Symbols all over it
[
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], something that was originally spotted by none other than Derp
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You've got an open mind which is nice but you have to refine your ideas alot more before you post them, less you waste your time and ours.