Client-side PDF digital signature verification in the browser: PAdES, CAdES, PKCS#7, X.509 PKI (Firma Digital, eIDAS). Zero upload, open source. verify.attestto.com
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Updated
Jul 24, 2026 - TypeScript
Client-side PDF digital signature verification in the browser: PAdES, CAdES, PKCS#7, X.509 PKI (Firma Digital, eIDAS). Zero upload, open source. verify.attestto.com
Independent public mirror of national PKI trust anchors (X.509) for digital-signature verification. Hash-pinned, version-controlled; git history is the audit trail. Countries: Costa Rica, Brazil, Argentina, Spain, Peru. Live directory at trust.attestto.org
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