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133 questions · 234 answers · 193 comments · 172 tags · 118 contributors · archived August 2026
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Managing Timestamps

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How do you document that your digital records are authentic when timestamps can change upon transfer from one drive to another?

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We use checksums to prove bit-level preservation; the NDSA report Checking Your Digital Content: What is Fixity, and When Should I be Checking It? has been a very useful guide to help our institution establish and improve our fixity-checking for preservation and authenticity.