> However, this will certify only the original image. I think the missing part of this is additional layers of certification which allow some image editing (e.g

> However, this will certify only the original image. I think the missing part of this is additional layers of certification which allow some image editing (e.g., rotating, contrast, etc.) yet clearly document that the image was modified and link to the original image ID. Kind of like a signed git log. That’s not necessarily missing. For photography competitions, what matters is that people send original photos; for press photos, you don’t need a digital link between what’s published and the original, either. What matters is that papers, when questioned, can produce the original of a photo they published. Then, humans can determine whether editing changed the story.