Long-Term Validation (LTV)
A PDF signature profile (PAdES-LTV, ETSI EN 319 102-1) in which the OCSP responses, CRL data, and TSA certificate chain information are embedded alongside the signature at signing time, enabling full offline verification of revocation status years after the signing event.
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Related terms
Aadhaar e-SignESIGN Act (Electronic Signatures in Global and National Commerce Act)EU Trusted List (EUTL)OCSP (Online Certificate Status Protocol)Public Key Infrastructure (PKI)QSCD (Qualified Signature Creation Device)Qualified Electronic Signature (QES)TSA timestamp (Timestamp Authority)X.509 certificate