Intermediate CAExpired (2314 days ago)

PostSignum Qualified CA

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

Download .pem Back to Czech Republic

The issuer "PostSignum Root QCA" 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.

PostSignum Qualified CAIntermediate CA

Certificate fields

Subject (CN): PostSignum Qualified CA
Issuer (CN): PostSignum Root QCA
Role: Intermediate CA
Key algorithm: RSA-2048
Validity: Expired (2314 days ago)
Valid from: Apr 07, 2005, 08:33 a.m. UTC
Valid to: Apr 07, 2020, 08:32 a.m. UTC
Serial number: 1c
SHA-256: 6e7923e286cfc4a79037cfc9125e1c6671887b1aa5e3673af98f38a467df96c3
Decentralized ID (did:pki): did:pki:cz:eska-pota-sp-i-47114983:postsignum-qualified-caResolve →
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/psrootqca.crl
http://postsignum.ttc.cz/crl/psrootqca.crl
ldap://qca.postsignum.cz/cn%3dPostSignum%20Root%20QCA,o%3dCeska%20posta%20s.p.%20[IC%2047114983],c%3dCZ?certificateRevocationList
ldap://postsignum.ttc.cz/cn%3dPostSignum%20Root%20QCA,o%3dCeska%20posta%20s.p.%20[IC%2047114983],c%3dCZ?certificateRevocationList
File: postsignum-qualified-ca.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.