{
  "log_key": "ct2026-b.trustasia.com/log2026b",
  "description": "TrustAsia 'log2026b'",
  "operator": "TrustAsia",
  "checkpoint_url": "https://ct2026-b.trustasia.com/log2026b/ct/v1/get-sth",
  "checkpoint_format": "ct_v1_sth",
  "signature_scheme": "ecdsa_p256_ct_v1",
  "key_source_url": "https://www.gstatic.com/ct/log_list/v3/log_list.json",
  "limbs": {
    "log_listed_in_a_public_list": {
      "outcome": "ok",
      "listed_in": "Google Chrome CT log list v3"
    },
    "public_key_obtained_independently_of_the_log": {
      "outcome": "ok",
      "key_source": "https://www.gstatic.com/ct/log_list/v3/log_list.json"
    },
    "checkpoint_endpoint_answers_without_credentials": {
      "outcome": "ok",
      "status": 200,
      "bytes": 241
    },
    "checkpoint_parses_in_its_declared_format": {
      "outcome": "ok",
      "format": "ct_v1_sth"
    },
    "checkpoint_carries_tree_size_and_root_hash": {
      "outcome": "ok",
      "tree_size": 2380761114,
      "root_hash": "89e8e3817779400db7428000cceb3033d5724eaee4557a61c951d64f467ea587"
    },
    "checkpoint_carries_a_signature": {
      "outcome": "ok",
      "signature_lines": 1
    },
    "signature_scheme_supported_by_this_monitor": {
      "outcome": "ok",
      "scheme": "ecdsa_p256_ct_v1"
    },
    "signature_verifies_against_the_published_key": {
      "outcome": "ok",
      "scheme": "ecdsa_p256_ct_v1"
    },
    "checkpoint_carries_witness_cosignatures": {
      "outcome": "fail",
      "reason": "checkpoint_carried_no_signature_beyond_the_log_own",
      "attribution": "publisher",
      "note": "A Certificate Transparency signed tree head has no place to carry a witness cosignature, so this is a fact about the format as much as about the log."
    },
    "prior_batch_checkpoint_on_record": {
      "outcome": "ok",
      "prior_read_at": "2026-08-02T05:34:50.403121+00:00",
      "prior_tree_size": 2380730537
    },
    "second_read_answered": {
      "outcome": "ok",
      "tree_size": 2380771487
    },
    "tree_did_not_shrink_between_reads": {
      "outcome": "ok",
      "first_size": 2380761114,
      "second_size": 2380771487,
      "entries_added": 10373
    },
    "consistency_proof_served": {
      "outcome": "ok",
      "nodes": 25
    },
    "consistency_proof_recomputes_to_the_second_root": {
      "outcome": "ok",
      "reason": "both_roots_recomputed",
      "first_size": 2380761114,
      "second_size": 2380771487,
      "proof_nodes": 25
    }
  },
  "evidence": {
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      "status": 200,
      "error": null,
      "bytes": 241,
      "read_at": "2026-08-02T05:42:54.343524+00:00",
      "body_sha256": "d9e16f8c2f12860a2a3cbc7e0f76eec512ccd331dd158f1aaf207fb277755f0a",
      "parsed": true,
      "format": "ct_v1_sth",
      "tree_size": 2380761114,
      "timestamp": 1785649153982,
      "signature_lines": 1,
      "root_hash_hex": "89e8e3817779400db7428000cceb3033d5724eaee4557a61c951d64f467ea587",
      "raw_body": null
    },
    "signature_check": {
      "supported": true,
      "verified": true,
      "scheme": "ecdsa_p256_ct_v1"
    },
    "prior_batch": {
      "log_key": "ct2026-b.trustasia.com/log2026b",
      "read": "second_read",
      "read_at": "2026-08-02T05:34:50.403121+00:00",
      "tree_size": 2380730537,
      "root_hash": "701fe0d5ddbe7576e8b3d65eb03db132e526e324eb40deea9e8545e86009065e",
      "body_sha256": "ec7d1695a5cd035f222ed6f1baa5b733b3e56603659856cb426c660231839203"
    },
    "second_read": {
      "url": "https://ct2026-b.trustasia.com/log2026b/ct/v1/get-sth",
      "status": 200,
      "error": null,
      "bytes": 245,
      "read_at": "2026-08-02T05:43:55.060262+00:00",
      "body_sha256": "5011a22bad0595f21114cc352b25084e65b42665b06432fd465e523d69e682ab",
      "parsed": true,
      "format": "ct_v1_sth",
      "tree_size": 2380771487,
      "timestamp": 1785649309172,
      "signature_lines": 1,
      "root_hash_hex": "ce2089f37dfbbaf2b5a85762664c2e91e227f20882c41a517925f59dadc6dd0d"
    },
    "consistency_request": {
      "served": true,
      "url": "https://ct2026-b.trustasia.com/log2026b/ct/v1/get-sth-consistency?first=2380761114&second=2380771487",
      "proof": [
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      ],
      "nodes": 25
    }
  },
  "tree_advanced_between_reads": true,
  "entries_added_between_reads": 10373,
  "checked_at": "2026-08-02T05:43:57.759081+00:00",
  "must_admit": true,
  "full_admit": true,
  "refuse_limb": null,
  "refuse_reason": null,
  "attribution": null,
  "must_limbs_failed": [],
  "should_limbs_failed": [],
  "receipt_filename": "ct2026-b.trustasia.com_log2026b.json",
  "ledger": "https://geniusflow-federation.vercel.app/tlog/ledger.json",
  "ledger_digest": "1e9ae859e742abe6cfb6dabb7e5d337cba88d3f3cc0715ceb8a5a9bdc3821603",
  "expectations_digest": "78cb2f5444df2da26462e17070ab9e421ae85b30a8ec1ed672ea21cddeb34290"
}