API
This service provide certificate information from hostname: purl.oclc.org

Certificate:
Data:
Version: 3 (0x2)
Serial Number:
05:b4:8d:9c:1a:04:9e:44:56:e8:04:2d:f4:e1:0d:9f:4d:ac
Signature Algorithm: ecdsa-with-SHA384
Issuer: C = US, O = Let's Encrypt, CN = E5
Validity
Not Before: Jun 18 18:06:50 2025 GMT
Not After : Sep 16 18:06:49 2025 GMT
Subject: CN = purl.archive.org
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:ad:f3:46:3f:d4:24:ae:ad:65:3d:72:1c:b6:6a:
b5:53:27:fe:ff:6e:26:07:52:6d:56:ce:b6:27:bb:
eb:4a:fd:5a:da:92:af:ce:c9:ab:00:7e:f1:33:c8:
a4:ea:58:b5:52:61:66:e9:23:24:b9:7f:5d:a6:59:
e9:e8:53:77:4d
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:
99:F2:6C:1D:8D:6D:39:66:C0:7D:D0:94:45:69:27:F6:0E:94:60:6B
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:purl.archive.org, DNS:purl.com, DNS:purl.info, DNS:purl.net, DNS:purl.oclc.org, DNS:purl.org, DNS:www.purl.com, DNS:www.purl.info, DNS:www.purl.net, DNS:www.purl.org
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://e5.c.lencr.org/45.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 : Jun 18 19:05:21.258 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:59:31:3E:20:21:0B:08:E3:A6:90:E4:2B:
2F:F8:B9:97:8E:72:DF:5A:09:DC:60:03:39:DD:2B:D5:
31:F0:C6:9F:02:21:00:A5:27:BB:87:93:BD:5F:BE:CA:
C7:72:E6:1E:3D:64:FE:A1:35:0D:06:18:AE:F5:8C:CF:
E1:0F:24:14:C7:40:0E
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
Timestamp : Jun 18 19:05:25.245 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:43:E5:7D:3D:EA:1B:A3:21:1A:E4:42:C9:
5C:43:98:86:0D:38:09:31:99:1F:DE:82:81:F6:36:A9:
0F:CE:A2:D5:02:21:00:9A:33:FF:AC:4D:46:42:52:13:
D2:30:A8:C0:A2:D7:67:36:2C:F1:CE:B0:A1:47:43:5F:
9B:38:2A:50:B4:6D:3F
Signature Algorithm: ecdsa-with-SHA384
Signature Value:
30:64:02:30:19:99:26:a2:1f:96:e6:c7:d6:70:34:88:b0:65:
ff:71:33:62:82:68:83:8c:c9:74:f4:af:fa:6d:50:df:d5:f0:
7c:b0:54:66:3e:05:8e:e5:b0:c1:6f:9d:9c:9e:fa:4d:02:30:
60:34:6a:a3:5f:cc:e4:eb:4c:4c:43:7f:8c:48:5d:95:09:3c:
29:29:13:de:d7:9c:36:6c:e8:a7:41:14:63:91:e6:25:26:9c:
f8:83:28:04:32:d3:e0:7f:8e:a7:f0:4a
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----