You can have original creators do an out of band verification, e.g. by signing their hash. You would then need a community to vote / decide on the right hash. G

You can have original creators do an out of band verification, e.g. by signing their hash. You would then need a community to vote / decide on the right hash. Given anyone can upload to IPFS, 99% of the data will be junk so you will always need an incentive based quality control system to categorise and curate content.