{
  "probe": "transparency_log_batch_monitor",
  "generated_at": "2026-08-02T05:43:57.760810+00:00",
  "digest": "1e9ae859e742abe6cfb6dabb7e5d337cba88d3f3cc0715ceb8a5a9bdc3821603",
  "expectations_digest": "78cb2f5444df2da26462e17070ab9e421ae85b30a8ec1ed672ea21cddeb34290",
  "count": 23,
  "role": {
    "this_node_is": "monitor",
    "this_node_is_not": "witness",
    "monitor": "Reads checkpoints, verifies signatures against keys obtained elsewhere, and recomputes consistency proofs. Holds no key. Can run on a batch cadence.",
    "witness": "Holds a key, stays online, and cosigns a checkpoint to attest it saw that tree head and no other at that size. This node does none of that.",
    "what_a_batch_monitor_cannot_do": [
      "Catch a split view that is served to one reader and withdrawn before the next batch. A monitor sees the log at the instants it reads it and says nothing about the gaps.",
      "Give anyone else an attestation. A monitor's output is a claim about what one reader saw. A witness cosignature is a claim other parties can rely on, and this node produces none.",
      "Detect anything at all about a log it does not read. The population is frozen and small, and the ledger reports it as a population rather than as coverage."
    ]
  },
  "scope": "One receipt per log in the population. Any key not listed here returns 404 because it is not in the population, not because the file is missing. The population rule is in expectations.json.",
  "urls": {
    "expectations": "https://geniusflow-federation.vercel.app/tlog/expectations.json",
    "ledger": "https://geniusflow-federation.vercel.app/tlog/ledger.json",
    "summary": "https://geniusflow-federation.vercel.app/tlog/summary.json",
    "readme": "https://geniusflow-federation.vercel.app/tlog/README.md",
    "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/{LOG_KEY_WITH_SLASHES_AS_UNDERSCORES}.json",
    "human_page": "https://kaydeep0.github.io/eigenstate-research/tlog/"
  },
  "logs": [
    {
      "log_key": "ct.cloudflare.com/logs/nimbus2026",
      "receipt_filename": "ct.cloudflare.com_logs_nimbus2026.json",
      "description": "Cloudflare 'Nimbus2026'",
      "operator": "Cloudflare",
      "checkpoint_url": "https://ct.cloudflare.com/logs/nimbus2026/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/ct.cloudflare.com_logs_nimbus2026.json"
    },
    {
      "log_key": "ct.cloudflare.com/logs/nimbus2027",
      "receipt_filename": "ct.cloudflare.com_logs_nimbus2027.json",
      "description": "Cloudflare 'Nimbus2027'",
      "operator": "Cloudflare",
      "checkpoint_url": "https://ct.cloudflare.com/logs/nimbus2027/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/ct.cloudflare.com_logs_nimbus2027.json"
    },
    {
      "log_key": "sphinx.ct.digicert.com/2026h2",
      "receipt_filename": "sphinx.ct.digicert.com_2026h2.json",
      "description": "DigiCert 'Sphinx2026h2'",
      "operator": "DigiCert",
      "checkpoint_url": "https://sphinx.ct.digicert.com/2026h2/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/sphinx.ct.digicert.com_2026h2.json"
    },
    {
      "log_key": "sphinx.ct.digicert.com/2027h1",
      "receipt_filename": "sphinx.ct.digicert.com_2027h1.json",
      "description": "DigiCert 'sphinx2027h1'",
      "operator": "DigiCert",
      "checkpoint_url": "https://sphinx.ct.digicert.com/2027h1/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/sphinx.ct.digicert.com_2027h1.json"
    },
    {
      "log_key": "sphinx.ct.digicert.com/2027h2",
      "receipt_filename": "sphinx.ct.digicert.com_2027h2.json",
      "description": "DigiCert 'sphinx2027h2'",
      "operator": "DigiCert",
      "checkpoint_url": "https://sphinx.ct.digicert.com/2027h2/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/sphinx.ct.digicert.com_2027h2.json"
    },
    {
      "log_key": "wyvern.ct.digicert.com/2026h2",
      "receipt_filename": "wyvern.ct.digicert.com_2026h2.json",
      "description": "DigiCert 'Wyvern2026h2'",
      "operator": "DigiCert",
      "checkpoint_url": "https://wyvern.ct.digicert.com/2026h2/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/wyvern.ct.digicert.com_2026h2.json"
    },
    {
      "log_key": "wyvern.ct.digicert.com/2027h1",
      "receipt_filename": "wyvern.ct.digicert.com_2027h1.json",
      "description": "DigiCert 'Wyvern2027h1'",
      "operator": "DigiCert",
      "checkpoint_url": "https://wyvern.ct.digicert.com/2027h1/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/wyvern.ct.digicert.com_2027h1.json"
    },
    {
      "log_key": "wyvern.ct.digicert.com/2027h2",
      "receipt_filename": "wyvern.ct.digicert.com_2027h2.json",
      "description": "DigiCert 'Wyvern2027h2'",
      "operator": "DigiCert",
      "checkpoint_url": "https://wyvern.ct.digicert.com/2027h2/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/wyvern.ct.digicert.com_2027h2.json"
    },
    {
      "log_key": "ct.googleapis.com/logs/eu1/xenon2026h2",
      "receipt_filename": "ct.googleapis.com_logs_eu1_xenon2026h2.json",
      "description": "Google 'Xenon2026h2' log",
      "operator": "Google",
      "checkpoint_url": "https://ct.googleapis.com/logs/eu1/xenon2026h2/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/ct.googleapis.com_logs_eu1_xenon2026h2.json"
    },
    {
      "log_key": "ct.googleapis.com/logs/eu1/xenon2027h1",
      "receipt_filename": "ct.googleapis.com_logs_eu1_xenon2027h1.json",
      "description": "Google 'Xenon2027h1'",
      "operator": "Google",
      "checkpoint_url": "https://ct.googleapis.com/logs/eu1/xenon2027h1/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/ct.googleapis.com_logs_eu1_xenon2027h1.json"
    },
    {
      "log_key": "ct.googleapis.com/logs/us1/argon2026h2",
      "receipt_filename": "ct.googleapis.com_logs_us1_argon2026h2.json",
      "description": "Google 'Argon2026h2' log",
      "operator": "Google",
      "checkpoint_url": "https://ct.googleapis.com/logs/us1/argon2026h2/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/ct.googleapis.com_logs_us1_argon2026h2.json"
    },
    {
      "log_key": "ct.googleapis.com/logs/us1/argon2027h1",
      "receipt_filename": "ct.googleapis.com_logs_us1_argon2027h1.json",
      "description": "Google 'Argon2027h1'",
      "operator": "Google",
      "checkpoint_url": "https://ct.googleapis.com/logs/us1/argon2027h1/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/ct.googleapis.com_logs_us1_argon2027h1.json"
    },
    {
      "log_key": "sum.golang.org",
      "receipt_filename": "sum.golang.org.json",
      "description": "Go checksum database",
      "operator": "Google, for the Go project",
      "checkpoint_url": "https://sum.golang.org/latest",
      "checkpoint_format": "c2sp_signed_note",
      "signature_scheme": "ed25519_note",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/sum.golang.org.json"
    },
    {
      "log_key": "elephant2026h2.ct.sectigo.com",
      "receipt_filename": "elephant2026h2.ct.sectigo.com.json",
      "description": "Sectigo 'Elephant2026h2'",
      "operator": "Sectigo",
      "checkpoint_url": "https://elephant2026h2.ct.sectigo.com/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/elephant2026h2.ct.sectigo.com.json"
    },
    {
      "log_key": "elephant2027h1.ct.sectigo.com",
      "receipt_filename": "elephant2027h1.ct.sectigo.com.json",
      "description": "Sectigo 'Elephant2027h1'",
      "operator": "Sectigo",
      "checkpoint_url": "https://elephant2027h1.ct.sectigo.com/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/elephant2027h1.ct.sectigo.com.json"
    },
    {
      "log_key": "elephant2027h2.ct.sectigo.com",
      "receipt_filename": "elephant2027h2.ct.sectigo.com.json",
      "description": "Sectigo 'Elephant2027h2'",
      "operator": "Sectigo",
      "checkpoint_url": "https://elephant2027h2.ct.sectigo.com/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/elephant2027h2.ct.sectigo.com.json"
    },
    {
      "log_key": "tiger2026h2.ct.sectigo.com",
      "receipt_filename": "tiger2026h2.ct.sectigo.com.json",
      "description": "Sectigo 'Tiger2026h2'",
      "operator": "Sectigo",
      "checkpoint_url": "https://tiger2026h2.ct.sectigo.com/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/tiger2026h2.ct.sectigo.com.json"
    },
    {
      "log_key": "tiger2027h1.ct.sectigo.com",
      "receipt_filename": "tiger2027h1.ct.sectigo.com.json",
      "description": "Sectigo 'Tiger2027h1'",
      "operator": "Sectigo",
      "checkpoint_url": "https://tiger2027h1.ct.sectigo.com/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/tiger2027h1.ct.sectigo.com.json"
    },
    {
      "log_key": "tiger2027h2.ct.sectigo.com",
      "receipt_filename": "tiger2027h2.ct.sectigo.com.json",
      "description": "Sectigo 'Tiger2027h2'",
      "operator": "Sectigo",
      "checkpoint_url": "https://tiger2027h2.ct.sectigo.com/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/tiger2027h2.ct.sectigo.com.json"
    },
    {
      "log_key": "rekor.sigstore.dev",
      "receipt_filename": "rekor.sigstore.dev.json",
      "description": "Sigstore Rekor, active shard",
      "operator": "Sigstore",
      "checkpoint_url": "https://rekor.sigstore.dev/api/v1/log",
      "checkpoint_format": "rekor_json_wrapping_a_signed_note",
      "signature_scheme": "ecdsa_p256_note",
      "must_admit": false,
      "full_admit": false,
      "refuse_limb": "public_key_obtained_independently_of_the_log",
      "refuse_reason": "public_key_obtained_independently_of_the_log:only_key_source_read_is_the_log_itself",
      "attribution": "ecosystem",
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/rekor.sigstore.dev.json"
    },
    {
      "log_key": "ct2026-a.trustasia.com/log2026a",
      "receipt_filename": "ct2026-a.trustasia.com_log2026a.json",
      "description": "TrustAsia 'log2026a'",
      "operator": "TrustAsia",
      "checkpoint_url": "https://ct2026-a.trustasia.com/log2026a/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/ct2026-a.trustasia.com_log2026a.json"
    },
    {
      "log_key": "ct2026-b.trustasia.com/log2026b",
      "receipt_filename": "ct2026-b.trustasia.com_log2026b.json",
      "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",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/ct2026-b.trustasia.com_log2026b.json"
    },
    {
      "log_key": "hetu2027.trustasia.com/hetu2027",
      "receipt_filename": "hetu2027.trustasia.com_hetu2027.json",
      "description": "TrustAsia 'HETU2027'",
      "operator": "TrustAsia",
      "checkpoint_url": "https://hetu2027.trustasia.com/hetu2027/ct/v1/get-sth",
      "checkpoint_format": "ct_v1_sth",
      "signature_scheme": "ecdsa_p256_ct_v1",
      "must_admit": true,
      "full_admit": true,
      "refuse_limb": null,
      "refuse_reason": null,
      "attribution": null,
      "receipt": "https://geniusflow-federation.vercel.app/tlog/receipts/hetu2027.trustasia.com_hetu2027.json"
    }
  ]
}