Paid call

The blob, as servednamed by its sha256

{
  "schema": "teppi.evidence.v1",
  "capability_id": "cap_01M1A5A1BFNRS80RFKPZ0WNXDM",
  "probe_id": "prb_01M3RRWH184HY7EX3AD5FTWMPZ",
  "golden_task_id": "gt_01M1PF7VP8VVFWP3V1W2S1BMSY",
  "observed_at": "2026-10-01T00:36:05.734Z",
  "transcript_hash": "sha256:23bcd266365497217d9e32ce1740e59fb187270e9050ffa24a740a4267112443",
  "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": "sha256:2dae87d8d091e3c64709c682523defdc71e7247c0cd67be8e886fbda3e83fc9b",
    "latency_ms": 1234
  },
  "payment": {
    "advertised": "1000",
    "settled": "1000",
    "asset": "USDC",
    "network": "eip155:8453",
    "tx_hash": "0x5b3e488f0a5d664da81a4f055f962b4f087179dfaffbe79625d6b304970741bc",
    "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": "83429 against 83403.545 from the source, 25.455000000001746 apart, 1668.0709 allowed",
      "checker": "agrees_with_source"
    }
  ],
  "verdict": {
    "correctness": 1,
    "honesty": 1,
    "schema_conformance": null,
    "liveness": 1
  },
  "injection_observed": false,
  "verifier_version": "2026.09.6"
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:1518b3a00ebe7f34983d0cfb4e86cd1a2a4bc4273476259d36564100adf6d6be | sha256sum

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