Paid call
The blob, as servednamed by its sha256
{
"schema": "teppi.evidence.v1",
"capability_id": "cap_01M1A51PB8WXC2Q6FMNC4RMEMK",
"probe_id": "prb_01M3YBVJ4449SJ1QXN9445HVP4",
"golden_task_id": "gt_01M3KRFD09QYKD6K6SNPXN7MHC",
"observed_at": "2026-10-03T17:44:38.187Z",
"transcript_hash": "sha256:357dd75dc3a214714765c6f0fe121b788b8582c306e3136e23e64877bf81ba51",
"request": {
"url": "https://base-gas-x402-production.up.railway.app/gas?gasLimit=21000",
"method": "GET",
"body_hash": "sha256:44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a"
},
"response": {
"status": 200,
"body_hash": "sha256:9401b5cd5b8c02cf45a9ae6b552d36a77f6121aad4d2284d14579d9c950768f2",
"latency_ms": 1254
},
"payment": {
"advertised": "5000",
"settled": "5000",
"asset": "USDC",
"network": "eip155:8453",
"tx_hash": "0x67159140871ee9766637c516a3b9892a20898fa83d815c57165c14dbf5455f72",
"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 52130058",
"generated": {
"template": "gt_01M3KRFD09QYKD6K6SNPXN7MHC",
"network": "eip155:8453",
"subject": {},
"truth": {
"kind": "base_fee"
},
"before": {
"block": {
"number": "52130058",
"hash": "0x00a3a0d8d9e29fa4033c51307d28ca26f46e9165788e0d605abbf258bc9bf1c5"
},
"values": {
"number": "52130058",
"hash": "0x00a3a0d8d9e29fa4033c51307d28ca26f46e9165788e0d605abbf258bc9bf1c5",
"parentHash": "0x2153563f2c905545552d8479bd5292140a8073204abbc4c61e04ce9cb2af7202",
"timestamp": "1791049463",
"gasUsed": "26792214",
"gasLimit": "400000000",
"miner": "0x4200000000000000000000000000000000000011",
"txCount": "153",
"baseFeePerGas": "5000000"
},
"answers": [
{
"provider": "rpc-base.blockmachine.io",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31b710a",
false
]
},
"value": "{\"number\":\"52130058\",\"hash\":\"0x00a3a0d8d9e29fa4033c51307d28ca26f46e9165788e0d605abbf258bc9bf1c5\",\"parentHash\":\"0x2153563f2c905545552d8479bd5292140a8073204abbc4c61e04ce9cb2af7202\",\"timestamp\":\"1791049463\",\"gasUsed\":\"26792214\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"153\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base-rpc.publicnode.com",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31b710a",
false
]
},
"value": "{\"number\":\"52130058\",\"hash\":\"0x00a3a0d8d9e29fa4033c51307d28ca26f46e9165788e0d605abbf258bc9bf1c5\",\"parentHash\":\"0x2153563f2c905545552d8479bd5292140a8073204abbc4c61e04ce9cb2af7202\",\"timestamp\":\"1791049463\",\"gasUsed\":\"26792214\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"153\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base.drpc.org",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31b710a",
false
]
},
"value": "{\"number\":\"52130058\",\"hash\":\"0x00a3a0d8d9e29fa4033c51307d28ca26f46e9165788e0d605abbf258bc9bf1c5\",\"parentHash\":\"0x2153563f2c905545552d8479bd5292140a8073204abbc4c61e04ce9cb2af7202\",\"timestamp\":\"1791049463\",\"gasUsed\":\"26792214\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"153\",\"baseFeePerGas\":\"5000000\"}"
}
]
},
"after": {
"block": {
"number": "52130060",
"hash": "0x5bf2b2b2c541ab3cd8794f880f5c4c1e19a0a7115124e5163408bdf3345db6e2"
},
"values": {
"number": "52130060",
"hash": "0x5bf2b2b2c541ab3cd8794f880f5c4c1e19a0a7115124e5163408bdf3345db6e2",
"parentHash": "0x90a297cb98f735f1596e1d310043b74d7b467042a23e2226ed9c8c279f2f11c4",
"timestamp": "1791049467",
"gasUsed": "36429012",
"gasLimit": "400000000",
"miner": "0x4200000000000000000000000000000000000011",
"txCount": "111",
"baseFeePerGas": "5000000"
},
"answers": [
{
"provider": "rpc-base.blockmachine.io",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31b710c",
false
]
},
"value": "{\"number\":\"52130060\",\"hash\":\"0x5bf2b2b2c541ab3cd8794f880f5c4c1e19a0a7115124e5163408bdf3345db6e2\",\"parentHash\":\"0x90a297cb98f735f1596e1d310043b74d7b467042a23e2226ed9c8c279f2f11c4\",\"timestamp\":\"1791049467\",\"gasUsed\":\"36429012\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"111\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base-rpc.publicnode.com",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31b710c",
false
]
},
"value": "{\"number\":\"52130060\",\"hash\":\"0x5bf2b2b2c541ab3cd8794f880f5c4c1e19a0a7115124e5163408bdf3345db6e2\",\"parentHash\":\"0x90a297cb98f735f1596e1d310043b74d7b467042a23e2226ed9c8c279f2f11c4\",\"timestamp\":\"1791049467\",\"gasUsed\":\"36429012\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"111\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base.drpc.org",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x31b710c",
false
]
},
"value": "{\"number\":\"52130060\",\"hash\":\"0x5bf2b2b2c541ab3cd8794f880f5c4c1e19a0a7115124e5163408bdf3345db6e2\",\"parentHash\":\"0x90a297cb98f735f1596e1d310043b74d7b467042a23e2226ed9c8c279f2f11c4\",\"timestamp\":\"1791049467\",\"gasUsed\":\"36429012\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"111\",\"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/sha256:3d9b1b5a4ceb8f1dcda04ec6d1037d2f2e6248631a4de0ae5729eaf518a5060f | sha256sumnpx teppi-check https://base-gas-x402-production.up.railway.app/gas?gasLimit=21000