checksum

/ˈtʃɛkˌsʌm/
noun
  1. A small piece of data calculated from a larger set of data, used to detect errors during transmission or storage.
    • The system automatically compares the checksum to ensure no data was corrupted.
    • Many software websites provide a checksum so you can verify the file's integrity.
    • The download failed because the checksum didn't match the original file.
Synonyms
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