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Re:Ask HN: Best way to host a website for 500 years? by murphyslab on Friday October 22, 2021 @09:54PM (#28964934)
A more accessible approach than the High-Density Rosetta might be the M-DISC.[0] It's essentially a DVD/Blu-Ray which materials engineered to last significantly longer than standard ones. I attended a chemistry lecture by Prof. Matthew Linford (BYU) and from the gist of his description,[1] the materials that they were using have a good shot at lasting 500 to 1000 years if properly stored.

[0] : https://en.wikipedia.org/wiki/M-DISC

[1] : https://purl.pt/24107/1/iPres2013_PDF/Permanent%20Digital%20...

Re:Ask HN: Best way to host a website for 500 years? by bccdee on Saturday October 23, 2021 @01:29PM (#28970503)
That assumes we'll have DVD drives 1000 years from now. The thing I like about HD-Rosetta is that it doesn't depend on any special technology to be readable. Magnification is the sort of technology that will always exist in any sufficiently-advanced society, while the specifics of DVD encoding could easily be lost to time.