Paid call
The blob, as servednamed by its sha256
{
"schema": "teppi.evidence.v1",
"capability_id": "cap_01M1A5A1BFNRS80RFKPZ0WNXDM",
"probe_id": "prb_01M3H1RCPW7RXWY24GYD0S8SRQ",
"golden_task_id": "gt_01M1PF7VP8W7TAKS6JWFGBVDH3",
"observed_at": "2026-09-27T11:27:02.981Z",
"transcript_hash": "sha256:0c2424c7c35fadcd0cf414882d9b7f67841af964331f03abc4e1143eb8e4cbdf",
"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:c794448d6ed4e7f835a27693c2bbf63f6d9e800ea1e67a75b35358bdbdeabd7e",
"latency_ms": 1413
},
"payment": {
"advertised": "1000",
"settled": "1000",
"asset": "USDC",
"network": "eip155:8453",
"tx_hash": "0xe6d7f4b7d7b8c8f4c12836b21e685e4dd31a6f84a91133589ed5de8fd827ab50",
"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": "84891 against 84916.525 from the source, 25.52499999999418 apart, 1698.3305 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:ce2ec259ef883d6e56dc0df7abfc3b0506b9298cc2470070740b3df64f6eefc5 | sha256sumnpx teppi-check https://x402engine.app/api/crypto/price?currencies=usd%2Ceur&ids=bitcoin%2Cethereum&include_24h_change=true&include_market_cap=false