Paid call

The blob, as servednamed by its sha256

{
  "schema": "teppi.evidence.v1",
  "capability_id": "cap_01M1A5A1BFNRS80RFKPZ0WNXDM",
  "probe_id": "prb_01M1TWRWTCHX9KWSFM9Y8K5W72",
  "golden_task_id": "gt_01M1PF7VP8ENFZE57Y4271PQFE",
  "observed_at": "2026-09-06T08:18:50.905Z",
  "transcript_hash": "sha256:ff71e1ec8e0d27e4280407e92e880e619979dbdb817f7fc2a79f426b7953aa9a",
  "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:ffcf8b4df87b6cf835634a7714ccbb477a125053f6a36e307b5f8fb28006597f",
    "latency_ms": 1428
  },
  "payment": {
    "advertised": "1000",
    "settled": "1000",
    "asset": "USDC",
    "network": "eip155:8453",
    "tx_hash": "0xbed0a67bed2cb32e14a1e2e949137019cd1a5d3f5f39cb11c807403c9fc28c3c",
    "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": "L2",
      "pass": false,
      "score": null,
      "detail": "no fields to compare"
    }
  ],
  "verdict": {
    "correctness": null,
    "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:a88e979b54e52b6fd247d106df1a5aa12626fc51e61760ba8fd1ecdf902054ac | sha256sum

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