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 (626 days left)

CUZ Sigillum - QCA1

Poland · Published by Minister właściwy do spraw informatyzacji — Polish eIDAS supervisory body; national Trusted List operated by Narodowe Centrum Certyfikacji (NCCert), run by Narodowy Bank Polski (NBP)

The issuer "Narodowe Centrum Certyfikacji" 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. CUZ Sigillum - QCA1Intermediate CA

Certificate fields

Subject (CN)
CUZ Sigillum - QCA1
Issuer (CN)
Narodowe Centrum Certyfikacji
Role
Intermediate CA
Key algorithm
RSA-4096
Validity
Valid (626 days left)
Valid from
Valid to
Serial number
762d27cab50027e8c9e9e07767e7048bf4e68d75
SHA-256
4ae393652edaa239d8e2fa51a2f1b7e344fb2745aab1528cfc23bdb178662d8c
Decentralized ID (did:pki)
did:pki:pl:polska-wytwornia-papierow-wartociowych:cuz-sigillum:qca1Resolve →

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

File
cuz-sigillum-qca1-4ae393652.pem

Provenance

This certificate is public data published by Minister właściwy do spraw informatyzacji — Polish eIDAS supervisory body; national Trusted List operated by Narodowe Centrum Certyfikacji (NCCert), run by Narodowy Bank Polski (NBP). 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, 06:23 p.m. UTC.