Long-Term Validation (LTV)
Signature validation strategy preserving trust evidence over long periods.
Definition
Signature validation strategy preserving trust evidence over long periods.
Why it matters
Critical for archival trust and compliance-heavy signed PDFs.
Related PDFHQ workflows
Relevant to signature, preservation, and audit workflows.
Related Knowledge
Digital Preservation
Practices for maintaining long-term usability of digital files.
Digital Signature
Cryptographic signature proving integrity and signer authenticity.
OCSP
Online Certificate Status Protocol for real-time certificate revocation checks.
Certificate Chain
Ordered trust path from signer certificate to trusted root authority.
Timestamp
Trusted time assertion proving when data existed or was signed.