Paid call

The blob, as servednamed by its sha256

{
  "schema": "teppi.evidence.v1",
  "capability_id": "cap_01M1A5A1BFNRS80RFKPZ0WNXDM",
  "probe_id": "prb_01M3KK18T3RVR399P7TW74PV30",
  "golden_task_id": "gt_01M1PF7VP8EEJT0G2ZKF3QXHMB",
  "observed_at": "2026-09-28T13:29:25.838Z",
  "transcript_hash": "sha256:e9f71f445d688c448f4d1bcad613542826b15977272784ae340274fe402c16a8",
  "request": {
    "url": "https://x402engine.app/api/crypto/price?currencies=usd%2Ceur&ids=bitcoin%2Cethereum&include_24h_change=true&include_market_cap=false",
    "method": "GET",
    "body_hash": "sha256:44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a"
  },
  "response": {
    "status": 200,
    "body_hash": "sha256:4315d63df31c6ea9912a4f370fedf865a5fbbf77733084a358f24bd3e79d8542",
    "latency_ms": 1573
  },
  "payment": {
    "advertised": "1000",
    "settled": "1000",
    "asset": "USDC",
    "network": "eip155:8453",
    "tx_hash": "0x3f9fa61ce9e8b3b7443a3d20b8d95a6115c0ccd5b269c8bf420c778ca129f55e",
    "facilitator": "cdp"
  },
  "checks": [
    {
      "layer": "L0",
      "pass": true,
      "score": 1
    },
    {
      "layer": "L0",
      "pass": true,
      "score": 1
    },
    {
      "layer": "L1",
      "pass": false,
      "score": null,
      "detail": "no output schema published, so nothing can be validated"
    },
    {
      "layer": "L3",
      "pass": true,
      "score": 1,
      "detail": "83478 against 83511.475 from the source, 33.47500000000582 apart, 1670.2295000000001 allowed"
    }
  ],
  "verdict": {
    "correctness": 1,
    "honesty": 1,
    "schema_conformance": null,
    "liveness": 1
  },
  "injection_observed": false,
  "verifier_version": "2026.09.4"
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:a57a67841c7e8264ce55271e3a7ce7dde832544700e9c0946abe6bf121e98ade | sha256sum

npx teppi-check https://x402engine.app/api/crypto/price?currencies=usd%2Ceur&ids=bitcoin%2Cethereum&include_24h_change=true&include_market_cap=false