{
  "common_name": "fracturebook.ota.org",
  "issuer": "CN=YR1,O=Let's Encrypt,C=US",
  "serial_number": "492164936055993895294288274941031658424369",
  "subject": "CN=fracturebook.ota.org",
  "subject_alternative_name": [
    "fracturebook.ota.org"
  ],
  "no_valid_before": "2026-06-12, 08:02:47",
  "no_valid_after": "2026-09-10, 08:02:46",
  "public_key_algorithm": "_RSAPublicKey",
  "sha1_fingerprint": "bcea2103fbf0c12ee0f5c4f7b8aad668a6761d61",
  "sha256_fingerprint": "7e8423d629460f5295204939784dddd516a11b9c2a0cd21be33082f66c40d3b8",
  "expired": false,
  "matches_hostname": true,
  "trust_stores": {
    "Android": "OK - Certificate is trusted",
    "Apple": "OK - Certificate is trusted",
    "Java": "OK - Certificate is trusted",
    "Mozilla": "OK - Certificate is trusted",
    "Windows": "OK - Certificate is trusted"
  },
  "trusted": true,
  "chain": [
    {
      "common_name": "YR1",
      "issuer": "CN=Root YR,O=ISRG,C=US",
      "serial_number": "215347022474305413497868275612454275662",
      "subject": "CN=YR1,O=Let's Encrypt,C=US",
      "subject_alternative_name": [],
      "no_valid_before": "2025-09-03, 00:00:00",
      "no_valid_after": "2028-09-02, 23:59:59",
      "public_key_algorithm": "_RSAPublicKey",
      "sha1_fingerprint": "cbcfd09ce3cd22d99d94e58f92e9898fbee51a5e",
      "sha256_fingerprint": "13949634d99cd6fd6aa80bc034fefacceb1969feef986586713ecdbb05758d3f"
    },
    {
      "common_name": "Root YR",
      "issuer": "CN=ISRG Root X1,O=Internet Security Research Group,C=US",
      "serial_number": "322064809926559212792997219556942571935",
      "subject": "CN=Root YR,O=ISRG,C=US",
      "subject_alternative_name": [],
      "no_valid_before": "2026-05-13, 00:00:00",
      "no_valid_after": "2032-09-02, 23:59:59",
      "public_key_algorithm": "_RSAPublicKey",
      "sha1_fingerprint": "ab9d0263244dd0326eb67015705a667e79cfe998",
      "sha256_fingerprint": "072639d0b140d5bffae16ad9c3f6cc6086040621f51ee61a6d46a8915c07cf76"
    },
    {
      "common_name": "ISRG Root X1",
      "issuer": "CN=ISRG Root X1,O=Internet Security Research Group,C=US",
      "serial_number": "172886928669790476064670243504169061120",
      "subject": "CN=ISRG Root X1,O=Internet Security Research Group,C=US",
      "subject_alternative_name": [],
      "no_valid_before": "2015-06-04, 11:04:38",
      "no_valid_after": "2035-06-04, 11:04:38",
      "public_key_algorithm": "_RSAPublicKey",
      "sha1_fingerprint": "cabd2a79a1076a31f21d253635cb039d4329a5e8",
      "sha256_fingerprint": "96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6"
    }
  ]
}