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 In a world of AI image generation I don't want a central service that decides that an image is "close enough" to the original. I want exactly the original image that the author intended. Cryptographically Identified by the hash. 
 you remind me of people in early days of Mp3 who said the quality wasn't good enough because the compression was lossy.

the same folks also said that you need $10,000 cables to get good sound quality.

and then blind tests revealed none of them could hear a difference between a $10,000 cable and a steel wire clothes hanger used as a cable.

does anybody still buy compact discs or use FLAC files ? 
 This is the main reason for the sha256 hash being in the URL. that way if you include it in a note and sign the note you are signing the hash and there for proving which version you wanted to post