You made something.
Leave it proved today.

SHA-256 hash on your device and an RFC 3161 timestamp from FreeTSA y rfc3161.ai.moda. It is a private date stamp: not a DNDA or INPI registration.

Two stamps
FreeTSA y rfc3161.ai.moda. If one fails, the hash is already saved and we retry.
Vault and certificate
PDF, paquete .zip con los .tsr y verificación pública en /v/hash.
If someone copies you
Build the file with the seal. You send the notice yourself.
Start freeHow verification worksI already have an account

Pricing · What the seal is worth · Who we are · Español

Official DNDA or INPI registration is the next stage. We never ask for your Clave Fiscal.

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