Category: fixity

We Want You Just the Way You Are: The What, Why and When of Fixity

Fixity, the property of a digital file or object being fixed or unchanged, is a cornerstone of digital preservation. Fixity information, from simple file counts or file size values to more precise checksums and cryptographic hashes, is data used to verify whether an object has been altered or degraded. Many in the preservation community know […]

Check Yourself: How and When to Check Fixity

How do I know if a digital file/object has been corrupted, changed or altered? Further how can I prove that I know what I have? How can I be confident that the content I am providing is in good condition, complete, or reasonably complete?  How do I verify that a file/object has not changed over […]