This section allows you to verify the authenticity and integrity of any electronic document issued by Carlos III University of Madrid. 

How does it work?

1. Locate the Secure Verification Code (CSV): This unique code is found in the margin or footer of the printable copy of the electronic document.
2. Enter the data: Type the CSV in the "Document Identifier" field.
3. Enter the result of the operation (CAPTCHA) displayed on the screen correctly, and click the "Search" button.

Additional Signature Validation

You can verify the validity of the electronic signatures embedded in the document using the VALIDe (Signature and Certificate Validation) service, a platform of the Spanish General State Administration that validates electronic signatures and certificates online.