Document verification

Verify a consent record.

Paste the SHA-256 fingerprint printed in a consent PDF, or choose the PDF itself. The file stays on your device.

A small safety check

Fingerprint or PDF

Every issued consent record carries a fingerprint of the exact participant information. Use this page to check whether that fingerprint belongs to an official version.

64 characters, usually shown beside “SHA-256 text fingerprint” in the PDF.

No check run yet.

Choose the PDF

The PDF is read locally. Only the fingerprint found inside it is checked.

Privacy first. The PDF is not uploaded. The check sends only the fingerprint, never the name, email address or document content.

This check confirms the official consent text version bound to the PDF. It does not prove that the PDF file was never edited after it was issued.