Un-eddited DNG

i have tried entering online photography competition find if successful need original image 1 not dng. because can not prove if dng has been edited. there way prove has not been edited, missing something? or creak without paddle.

if talking lightroom (are you?) there's no such thing edited dng, pixels in image portion of file remain when captured camera. lr can add edits file text, these easy identify, , original pixels still there unchanged.

 

but if believe dng can edited, can other original image. can go file binary editor , change piece of information want, if choose so.

 

you not creek without paddle, dealing people aren't making sense.

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