Independent public mirror of national PKI trust anchors, not an authority. Certificates are published by each national PKI (e.g., BCCR for Costa Rica); this site mirrors and structures them.
Intermediate CAValid (2732 days left)

PostSignum Qualified ECC R1 CA3

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 ECC R1" 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 ECC R1 CA3Intermediate CA

Certificate fields

Subject (CN)
PostSignum Qualified ECC R1 CA3
Issuer (CN)
PostSignum Root QCA ECC R1
Role
Intermediate CA
Key algorithm
EC P-521
Validity
Valid (2732 days left)
Valid from
Valid to
Serial number
274a71e0a6aca3febded62e4cdbfdd7baee9475a
SHA-256
ebf8d157abefca4ad91b5a9b7b04cc2124242c1603af2605cd9395d9c938ef3a
Decentralized ID (did:pki)
did:pki:cz:eska-pota-sp:postsignum-qualified-ecc-r1-ca3Resolve →

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

CRL
http://crl.postsignum.cz/crl/psrooteccr1.crl
http://crl2.postsignum.cz/crl/psrooteccr1.crl
http://crl.postsignum.eu/crl/psrooteccr1.crl
OCSP
http://ocsp.postsignum.cz/OCSP/RQCAECCR1/
File
postsignum-qualified-ecc-r1-ca3.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.