X509 version 2 CRL Signature Algorithm: ecdsaWithSHA512 Issuer: CN=PostSignum Public ECC R1 CA2,O=Česká pošta, s.p.,2.5.4.97=NTRCZ-47114983,C=CZ this update: Sun Sep 13 10:23:24 CEST 2026 next update: Mon Sep 14 10:23:00 CEST 2026 Extension 1: not critical CRLNumber 0x15e1 Extension 2: not critical AuthorityKeyIdentifier KeyIdentifier: C5:73:E6:41:52:73:A8:A7:CE:E5:B7:BC:1E:83:98:C8:D0:B2:05:40 1: RevokedCertificate: serial number: 525173852274955433365534202233248205822157649431 revocation date: Fri Apr 17 09:00:04 CEST 2026 Extension 1: not critical ReasonCode cessationOfOperation