Fingerprint example

Recalculate a file's SHA-256 fingerprint yourself

Download the fixed sample, calculate SHA-256 locally, and compare it with the published digest. This page covers file fingerprinting only; it is not a timestamp credential, customer case, or copyright claim.

Download sample file

Published facts

File
lanveris-fingerprint-example.txt
Size
164 B
Expected SHA-256
e88ca3a71d63412ac1f2c141dcdb03793310ba6c93d8879c5c3f22155cd9dca6

Reproduce locally

macOS / Linux

shasum -a 256 lanveris-fingerprint-example.txt

Windows PowerShell

Get-FileHash .\lanveris-fingerprint-example.txt -Algorithm SHA256

The output must exactly equal the expected SHA-256 above. Renaming the unchanged file keeps the result; editing even one byte normally changes it.

Continue with the complete proof method