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Intermediate CAExpired (865 days ago)

PostSignum Qualified CA 3

Czech Republic · Published by Digitální a informační agentura (DIA) — Digital and Information Agency, Czech eIDAS supervisory body and national Trusted List scheme operator

The issuer "PostSignum Root QCA 2" is not present in this mirror, so the chain below starts at this certificate.

Certificate chain

Trust path from the root down to this certificate.

  1. PostSignum Qualified CA 3Intermediate CA

Certificate fields

Subject (CN)
PostSignum Qualified CA 3
Issuer (CN)
PostSignum Root QCA 2
Role
Intermediate CA
Key algorithm
RSA-2048
Validity
Expired (865 days ago)
Valid from
Valid to
Serial number
00a4
SHA-256
d35e250cb02e27bb3fc52d1f1a0dfd88fa9813be1b777320aae912b54e3b1f02
Decentralized ID (did:pki)
did:pki:cz:eska-pota-sp-i-47114983:postsignum-qualified-ca-3Resolve →

This CA is addressable as a did:pki decentralized identifier, derived from its subject and resolvable to a W3C DID Document.

CRL
http://www.postsignum.cz/crl/psrootqca2.crl
http://www2.postsignum.cz/crl/psrootqca2.crl
http://postsignum.ttc.cz/crl/psrootqca2.crl
File
postsignum-qualified-ca-3.pem

Provenance

This certificate is public data published by Digitální a informační agentura (DIA) — Digital and Information Agency, Czech eIDAS supervisory body and national Trusted List scheme operator. This site mirrors and structures it; it is not the issuing authority. The SHA-256 fingerprint above is provided as tamper evidence: recompute it against the downloaded .pem to confirm integrity.

Mirror snapshot generated Jul 23, 2026, 06:57 p.m. UTC.