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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€“] 15 points 1 week ago* (last edited 1 week ago) (1 child)

1 to 2 Kb isn't all that much. Write it down on acid free paper. Use plain ink with a good binder, neutral pH, UV resistance is generally optional in this case, but better. Better safe than sorry. Store it away from light in low humidity at temps <16 deg C. Seal hermetically. Use oxygen absorbers.

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