I don't know how centralized this would need to be. If each page and variant had a Zap address that people could send sats to, people could send sats to the variant they believe is the best one, and eventually accuracy would win out.
You could even create a smart contract behind each page/variant that would distribute the donated sats to the people who contributed to building the page, perhaps with a diminishing return algorithm similar to the bitcoin halving. That would encourage people to make edits on pages that were accurate, because if the forks resulting from a page became unpopular due to inaccurate information, the rewards/return would fall off quickly.
And I think something like this could be a distributed collection of pages with multiple nodes as hosts running the same rewards algorithm. 

 The nodes themselves would be compensated for hosting because a small ratio of sats collected would go to the hosting node. Again, the more accurate the page, the more popular the page, the more sats are zapped to it and the higher the revenue stream.