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Storage medium to last 80 years. (lemmy.nz)
submitted 1 week ago by to c/asklemmy@lemmy.ml
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I'm working on a project what requires around 1 to 2kb of data to be stored for ~80 years.

My thinking was a QR code (ECC H) etched into aluminium. Benefits being no bit rot & the assumption being cameras should still be commonplace in 80 years (And if QR isn't a commonly used format anymore, surely an AI agent could easily write an app for the user).

Does anyone have any better suggestions or think I've missed anything.

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[โ€“] 3 points 1 week ago* (last edited 1 week ago)

Plate of stainless (the non rusting kind) and laser cut a QR like code through it like a stencil. If they can't get a good read on the plate with a camera, you can lay the plate down on paper and spray or dab stencil paint through the holes to form a flat image on paper of your QR

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