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File integrity and checksums

File integrity concerns whether a file remains intact and unchanged. A checksum is a value calculated from its contents; comparing it with an earlier value helps detect changes or corruption during storage and transfer.

File integrity concerns whether a file remains intact and unchanged. A checksum is a value calculated from its contents; comparing it with an earlier value helps detect changes or corruption during storage and transfer. Digital Preservation Coalition guidance

First published 18 July 2026 · Revision 1 · Substantive changes to this entry are dated here.