Paid call

The blob, as servednamed by its sha256

{
  "schema": "teppi.evidence.v1",
  "capability_id": "cap_01M1A5A1BFNRS80RFKPZ0WNXDM",
  "probe_id": "prb_01M3Q3RGBAQX9YN4BAACBEHEG0",
  "golden_task_id": "gt_01M1PF7VP85EBXQ58XE4H5CG4Y",
  "observed_at": "2026-09-30T04:44:22.725Z",
  "transcript_hash": "sha256:6ad074634de0421b956ee5e06701de9ae298e0b3dc9f9a1f35358c1b4ea3d5f7",
  "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": "sha256:3e31da4fcb48dbf8633ab14f05475b42546f9822ba9576cd69007cd0a16599e0",
    "latency_ms": 1303
  },
  "payment": {
    "advertised": "1000",
    "settled": "1000",
    "asset": "USDC",
    "network": "eip155:8453",
    "tx_hash": "0x694374bbaf00c1a7171013f1d7c53e3ac97d5fb10cb26b4cf996cb6576614c2f",
    "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": "83297 against 83279.575 from the source, 17.42500000000291 apart, 1665.5915 allowed",
      "checker": "agrees_with_source"
    }
  ],
  "verdict": {
    "correctness": 1,
    "honesty": 1,
    "schema_conformance": null,
    "liveness": 1
  },
  "injection_observed": false,
  "verifier_version": "2026.09.5"
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:8f838d6380fdbaa309f65a5691cd0318f31de1a70f4b175591dccf6a8c585005 | sha256sum

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