Paid call

The blob, as servednamed by its sha256

{
  "schema": "teppi.evidence.v1",
  "capability_id": "cap_01M1A5A1BFNRS80RFKPZ0WNXDM",
  "probe_id": "prb_01M1YS4ASFBW34XQ2HCDZTEQA8",
  "golden_task_id": "gt_01M1PF7VP8W7TAKS6JWFGBVDH3",
  "observed_at": "2026-09-07T20:58:28.725Z",
  "transcript_hash": "sha256:996324694447090d07b178c2a201ef32581c0e203194371c1b493afe9549bfb2",
  "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": "sha256:45e8c171fa2563e2e0df78f58a27c34e672ae4b1e7268e5252bae408961d734a",
    "latency_ms": 1533
  },
  "payment": {
    "advertised": "1000",
    "settled": "1000",
    "asset": "USDC",
    "network": "eip155:8453",
    "tx_hash": "0xbdd4422b4e9c7de375a86e2ebaa5cdc10ad18da00c7def9ddd7bbb1a08c14f8c",
    "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": "79223 against 79214.545 from the source, 8.455000000001746 apart, 1584.2909 allowed"
    }
  ],
  "verdict": {
    "correctness": 1,
    "honesty": 1,
    "schema_conformance": null,
    "liveness": 1
  },
  "injection_observed": false,
  "verifier_version": "2026.08.1"
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:e972bdce94482e0aa9d9ff8c040d1e575a1130fb95637306dddfa900e564e391 | sha256sum

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