Paid call
The blob, as servednamed by its sha256
{
"schema": "teppi.evidence.v1",
"capability_id": "cap_01M1A51PB8WXC2Q6FMNC4RMEMK",
"probe_id": "prb_01M3VPWZA13D64TQM3W7TSR5RW",
"golden_task_id": "gt_01M3KRFD09QYKD6K6SNPXN7MHC",
"observed_at": "2026-10-02T11:29:48.411Z",
"transcript_hash": "sha256:6511c0f2bd27982bf314a8026cdccd293f4fe673d69c32b02c58b955dbec67ee",
"request": {
"url": "https://base-gas-x402-production.up.railway.app/gas?gasLimit=21000",
"method": "GET",
"body_hash": "sha256:44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a"
},
"response": {
"status": 200,
"body_hash": "sha256:a9be098bd8ca52619557b892a74bc305ec891bd56625438301f5562b2dea7a5f",
"latency_ms": 1047
},
"payment": {
"advertised": "5000",
"settled": "5000",
"asset": "USDC",
"network": "eip155:8453",
"tx_hash": "0x8afce7338ba409dd1dc9cdbb44f38e2b4f85521ca4b291beeddf8750a6237267",
"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,
"checker": "generated",
"detail": "1 of 1 agree with rpc-base.blockmachine.io and base-rpc.publicnode.com and base.drpc.org at block 52075613",
"generated": {
"template": "gt_01M3KRFD09QYKD6K6SNPXN7MHC",
"network": "eip155:8453",
"subject": {},
"truth": {
"kind": "base_fee"
},
"before": {
"block": {
"number": "52075613",
"hash": "0x125d1de1b6c596846abe4840393cfa1a5913bb2a554e3ba2497c6af3a3055a43"
},
"values": {
"number": "52075613",
"hash": "0x125d1de1b6c596846abe4840393cfa1a5913bb2a554e3ba2497c6af3a3055a43",
"parentHash": "0x0acb4822d0a66bbdafdbc39e313f63749cfc144216935d2adee457a7a330b0a4",
"timestamp": "1790940573",
"gasUsed": "52215411",
"gasLimit": "400000000",
"miner": "0x4200000000000000000000000000000000000011",
"txCount": "275",
"baseFeePerGas": "5000000"
},
"answers": [
{
"provider": "rpc-base.blockmachine.io",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31a9c5d",
false
]
},
"value": "{\"number\":\"52075613\",\"hash\":\"0x125d1de1b6c596846abe4840393cfa1a5913bb2a554e3ba2497c6af3a3055a43\",\"parentHash\":\"0x0acb4822d0a66bbdafdbc39e313f63749cfc144216935d2adee457a7a330b0a4\",\"timestamp\":\"1790940573\",\"gasUsed\":\"52215411\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"275\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base-rpc.publicnode.com",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31a9c5d",
false
]
},
"value": "{\"number\":\"52075613\",\"hash\":\"0x125d1de1b6c596846abe4840393cfa1a5913bb2a554e3ba2497c6af3a3055a43\",\"parentHash\":\"0x0acb4822d0a66bbdafdbc39e313f63749cfc144216935d2adee457a7a330b0a4\",\"timestamp\":\"1790940573\",\"gasUsed\":\"52215411\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"275\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base.drpc.org",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31a9c5d",
false
]
},
"value": "{\"number\":\"52075613\",\"hash\":\"0x125d1de1b6c596846abe4840393cfa1a5913bb2a554e3ba2497c6af3a3055a43\",\"parentHash\":\"0x0acb4822d0a66bbdafdbc39e313f63749cfc144216935d2adee457a7a330b0a4\",\"timestamp\":\"1790940573\",\"gasUsed\":\"52215411\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"275\",\"baseFeePerGas\":\"5000000\"}"
}
]
},
"after": {
"block": {
"number": "52075615",
"hash": "0x04ec0730c47341a4da3d66eacc2a94d6a2b4446de5754ac991c9ede2f56a692d"
},
"values": {
"number": "52075615",
"hash": "0x04ec0730c47341a4da3d66eacc2a94d6a2b4446de5754ac991c9ede2f56a692d",
"parentHash": "0x095ca56df21d491db137ffe48d6a534fc8e97da56f6d25ea5b7cd82f05ea9338",
"timestamp": "1790940577",
"gasUsed": "48299067",
"gasLimit": "400000000",
"miner": "0x4200000000000000000000000000000000000011",
"txCount": "164",
"baseFeePerGas": "5000000"
},
"answers": [
{
"provider": "rpc-base.blockmachine.io",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31a9c5f",
false
]
},
"value": "{\"number\":\"52075615\",\"hash\":\"0x04ec0730c47341a4da3d66eacc2a94d6a2b4446de5754ac991c9ede2f56a692d\",\"parentHash\":\"0x095ca56df21d491db137ffe48d6a534fc8e97da56f6d25ea5b7cd82f05ea9338\",\"timestamp\":\"1790940577\",\"gasUsed\":\"48299067\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"164\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base-rpc.publicnode.com",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31a9c5f",
false
]
},
"value": "{\"number\":\"52075615\",\"hash\":\"0x04ec0730c47341a4da3d66eacc2a94d6a2b4446de5754ac991c9ede2f56a692d\",\"parentHash\":\"0x095ca56df21d491db137ffe48d6a534fc8e97da56f6d25ea5b7cd82f05ea9338\",\"timestamp\":\"1790940577\",\"gasUsed\":\"48299067\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"164\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base.drpc.org",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31a9c5f",
false
]
},
"value": "{\"number\":\"52075615\",\"hash\":\"0x04ec0730c47341a4da3d66eacc2a94d6a2b4446de5754ac991c9ede2f56a692d\",\"parentHash\":\"0x095ca56df21d491db137ffe48d6a534fc8e97da56f6d25ea5b7cd82f05ea9338\",\"timestamp\":\"1790940577\",\"gasUsed\":\"48299067\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"164\",\"baseFeePerGas\":\"5000000\"}"
}
]
},
"answers": [
{
"pointer": "/baseFeePerGas",
"field": "baseFeePerGas",
"seller": "0.005",
"truth": "5000000 to 5000000",
"shown": "0.005 to 0.005",
"verdict": "agrees"
}
]
}
}
],
"verdict": {
"correctness": 1,
"honesty": 1,
"schema_conformance": null,
"liveness": 1
},
"injection_observed": false,
"verifier_version": "2026.09.7"
}Verify it yourself
curl -s https://api.teppi.xyz/v1/evidence/sha256:f8dbb9f1d857b704cb7aebc6a0887c88e63bdfc957800cd6f47a7a152680712e | sha256sumnpx teppi-check https://base-gas-x402-production.up.railway.app/gas?gasLimit=21000