Qualified Timestamping
Absolute certainty of the "when".
The definitive guarantee that a document existed at an exact moment and has not been altered since: qualified timestamping under the eIDAS Regulation, legally valid across the European Union. Mensatek is a Qualified Trust Service Provider for timestamping.
One seal, certainty forever
Send your document
Any file —contract, evidence, invoice, record— from the panel or directly via API.
The qualified seal is issued
A cryptographic proof binds the document to the exact date and time, issued under the eIDAS Regulation.
Keep your proof
The seal accompanies the document forever: any later alteration becomes detectable and provable.
The proof that turns a file
into evidence
Qualified seal (QTSA)
Issued by a Qualified Time Stamping Authority under eIDAS: the highest level of guarantee.
EU-wide validity
Legal recognition in every European Union country, with no extra formalities.
Provable integrity
Any later modification of the document breaks the seal and becomes evident.
Absolute precision
Exact date and time cryptographically bound to the document's content.
Any file type
Contracts, invoices, images, records or code: if it is a file, it can be sealed.
Panel and API
Seal individual documents from the panel or automate bulk sealing via API.
When the "when" is everything
Prove the existence and content of an agreement on a specific date.
Protect creations, designs and developments by proving their prior existence.
Internal records and evidence with the solidity audits and litigation demand.
Business documentation sealed massively and automatically.
Your questions, answered
Turn your files into proof
Free sign-up with trial credits. Seal your first document with a qualified guarantee in minutes.