BVRAI eSign

Cryptographically secure e-signatures. PAdES-B-LT. Verifiable in Adobe Reader.

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Real digital signatures

X.509 certificates, PKCS#7 CMS embedded into the PDF. Verifies in Adobe Reader without our infrastructure.

Trusted timestamps

Every signature timestamped via RFC3161 TSA. Long-term validation data embedded for indefinite validity.

Tamper-evident audit log

Every action hashed into a chained log; Merkle root cryptographically bound to the document.