Paid call

The blob, as servednamed by its sha256

{
  "schema": "teppi.evidence.v1",
  "capability_id": "cap_01M1A5A1BFNRS80RFKPZ0WNXDM",
  "probe_id": "prb_01M3J82DQCR42JH3JEGEG7VA95",
  "golden_task_id": "gt_01M1PF7VP8W7TAKS6JWFGBVDH3",
  "observed_at": "2026-09-28T04:40:53.440Z",
  "transcript_hash": "sha256:d519a74de55b367897ee33c5f5c59f7cd2b32496eddb3c4d08b5af4e7f091b6e",
  "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:c2e4a445ea1f6668ce979b48e3fcdf24ab0ea7a444282e9704d9a2ba34e3c622",
    "latency_ms": 1713
  },
  "payment": {
    "advertised": "1000",
    "settled": "1000",
    "asset": "USDC",
    "network": "eip155:8453",
    "tx_hash": "0xd6db63300bd5a9aad78bc47586ed323272511bf82a524852cdd53a650a414b6c",
    "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": "83452 against 83444.895 from the source, 7.1049999999959255 apart, 1668.8979000000002 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/sha256:4e75e8ea6d41471a02f5f23ce6d3a68f48b7cb25262cf34a33b3d0de7d3119ce | sha256sum

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