{
  "schema": "csoai.x402-census.index/0.1",
  "as_of": "2026-09-06T06:46:22Z",
  "what_this_is": "Buyer's-eye x402 settlement census as a time series: the same population paid once per round, the outcome recorded per host, the rounds diffed. Measurement, not certification.",
  "rounds": [
    {
      "round_id": "2026-09-06",
      "as_of": "2026-09-06T06:46:22Z",
      "probed": 316,
      "paid_rows": 314,
      "outcome": {
        "DELIVERED": 100,
        "REFUSED": 213,
        "MISMATCH": 1,
        "NO_CHALLENGE": 2
      },
      "take_and_refuse": 13,
      "spend_usdc": 1.339794,
      "hosts_sha256": "9e541451f52ebd862ca9660144801269af6ce5dc14f1850e0ba008a4cda0e3db",
      "leaves_staged": null,
      "url": "https://councilof.ai/interop/x402-census/rounds/2026-09-06.json"
    }
  ],
  "deltas": [],
  "ladder": {
    "rule": "a host's series stays UNMEASURED until it has 30 paid observations; one observation per round",
    "n_required": 30,
    "rounds_so_far": 1,
    "hosts_observed": 314,
    "hosts_by_observations": {
      "1": 314
    },
    "hosts_at_or_above_n_required": 0,
    "weeks_to_n_required_at_weekly_cadence": 29,
    "note": "At one round a week the first host reaches n=30 after ~30 weeks. Nothing on this surface is a per-host verdict before then; the deltas are what a reader gets in the meantime."
  },
  "cadence": {
    "target": "weekly",
    "population_rule": "each round probes the hosts of the previous round (--hosts-from), so added/dropped are real changes"
  },
  "caveats": [
    "REFUSED is not proof of bad faith: a host may rate-limit, require an account, or have changed terms between the challenge and the retry.",
    "One purchase per host, one moment. A single refusal is not a pattern; the second round next week is what makes it one.",
    "Self excluded: our own hosts are never in the population; paying ourselves would be a self-settlement.",
    "No host was contacted, ranked or recommended. A row says what happened; the chain says whether it happened."
  ],
  "feeds": {
    "rss": "https://councilof.ai/feeds/x402-census.xml",
    "hf": "https://huggingface.co/datasets/csoai/x402-settlement-census",
    "verify": "https://councilof.ai/signed/HOW-TO-VERIFY-ROOT.md"
  }
}