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The electronic time stamping guarantees that an electronic data existed at a given time and has not been modified since it signature. A Time-Stamp guarantees not only the date and time the action was taken, but also the integrity of the data in which it is applied.

The time-stamps bought in this website are valid on all the public procurement platforms in Portugal.

As the Regulation (EU) No 910/2014 of the European Parliament and the European Council sets building trust in the online environment is key to economic and social development. Lack of trust, in particular because of a perceived lack of legal certainty, makes consumers, businesses and public authorities hesitate to carry out transactions electronically and to adopt new services.

To use Time-Stamp on public procurement platforms it is only necessary to insert the URL provided via email after the purchase of a pack. On some platforms it is only necessary to select the stamp supplier and enter the code identifier of your package

Yes, the timestamps acquired through CERTIFICADOS may be used in all the Portuguese public procurement platforms.

Yes, if you have already made a purchase on our platform, an account associated with your email was created.You will only have to log in with your account before making a new purchase. Each package purchased  will have a different identifier number that will be sent to your email account after the payment confirmation.