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Verify a signed document

Check that a document sealed by Signum is genuine and unaltered. Your document never leaves your computer — it's fingerprinted in your browser and only the fingerprint is checked against our records.

The 14-digit reference printed on the certificate of completion.

Choose the file you were sent. It is not uploaded.

Verification is free and available to anyone on every Signum plan. Firms needing to verify documents programmatically can use the verification API on the Group plan.