Certificate:

    Data:

        Version: 3 (0x2)

        Serial Number:

            05:c0:42:f8:10:d0:67:4a:6c:40:3a:b7:13:c5:5e:ba:4d:4f

        Signature Algorithm: ecdsa-with-SHA384

        Issuer: C = US, O = Let's Encrypt, CN = E5

        Validity

            Not Before: May 30 10:33:14 2025 GMT

            Not After : Aug 28 10:33:13 2025 GMT

        Subject: CN = openbooks.info

        Subject Public Key Info:

            Public Key Algorithm: id-ecPublicKey

                Public-Key: (256 bit)

                pub:

                    04:c0:9a:03:21:a7:d0:6b:84:1c:c8:9d:44:d3:62:

                    23:bb:b9:15:7f:4d:e7:85:58:5e:be:56:7b:2c:a5:

                    27:3f:e7:0a:e7:05:e7:2c:55:28:86:84:28:ba:e6:

                    da:1f:e1:e9:06:6c:ac:af:86:fe:e3:a6:5e:65:1b:

                    74:d9:cc:a6:d0

                ASN1 OID: prime256v1

                NIST CURVE: P-256

        X509v3 extensions:

            X509v3 Key Usage: critical

                Digital Signature

            X509v3 Extended Key Usage:

                TLS Web Server Authentication, TLS Web Client Authentication

            X509v3 Basic Constraints: critical

                CA:FALSE

            X509v3 Subject Key Identifier:

                AA:D5:56:AA:7E:4B:46:A3:F2:FC:6A:94:AA:A4:9E:C4:20:3E:9F:51

            X509v3 Authority Key Identifier:

                9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D

            Authority Information Access:

                CA Issuers - URI:http://e5.i.lencr.org/

            X509v3 Subject Alternative Name:

                DNS:openbooks.info

            X509v3 Certificate Policies:

                Policy: 2.23.140.1.2.1

            X509v3 CRL Distribution Points:

                Full Name:

                  URI:http://e5.c.lencr.org/80.crl

            CT Precertificate SCTs:

                Signed Certificate Timestamp:

                    Version   : v1 (0x0)

                    Log ID    : A4:42:C5:06:49:60:61:54:8F:0F:D4:EA:9C:FB:7A:2D:

                                26:45:4D:87:A9:7F:2F:DF:45:59:F6:27:4F:3A:84:54

                    Timestamp : May 30 11:31:45.047 2025 GMT

                    Extensions: none

                    Signature : ecdsa-with-SHA256

                                30:45:02:20:15:E2:D2:9A:31:83:1E:24:48:2A:7F:AF:

                                9B:C3:08:7A:34:61:E8:67:A5:E7:1D:DF:ED:01:0B:60:

                                04:D7:1C:AE:02:21:00:85:DA:25:38:D6:F5:D1:70:47:

                                02:3D:64:79:44:9B:09:13:C0:B5:FD:54:09:21:EE:E5:

                                F8:6A:3C:EA:A9:9A:3B

                Signed Certificate Timestamp:

                    Version   : v1 (0x0)

                    Log ID    : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:

                                3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A

                    Timestamp : May 30 11:31:45.099 2025 GMT

                    Extensions: none

                    Signature : ecdsa-with-SHA256

                                30:46:02:21:00:AE:73:F2:7D:44:4A:DC:F5:E0:2C:83:

                                48:A5:89:CC:2F:CA:AC:F8:DE:3B:9D:80:AF:64:DB:53:

                                40:DD:7B:B6:8D:02:21:00:9B:5B:0D:99:9E:81:76:5A:

                                E2:EC:66:B3:9C:7C:B5:E6:94:A4:3E:38:67:B5:62:58:

                                C0:77:72:EC:EE:18:77:2B

    Signature Algorithm: ecdsa-with-SHA384

    Signature Value:

        30:64:02:30:46:e8:21:00:e2:5d:cf:3b:3d:fa:82:29:fd:0b:

        8c:7a:e6:2f:c3:39:70:46:1e:69:f5:c5:40:83:f8:79:4f:ae:

        e4:a0:ad:2d:d2:0d:ba:ae:9e:2a:3c:87:d3:31:ff:10:02:30:

        63:86:4e:11:4e:9b:8f:90:43:a2:0a:53:53:a2:d7:cb:dd:ff:

        89:48:ba:c6:5d:f8:7e:01:05:7f:41:e3:32:38:e1:e3:4f:1a:

        ac:17:0c:99:ab:3c:34:dc:34:20:e2:1a

-----BEGIN CERTIFICATE-----

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EU6bj5BDogpTU6LXy93/iUi6xl34fgEFf0HjMjjh408arBcMmas8NNw0IOIa

-----END CERTIFICATE-----