Paid call
The blob, as servednamed by its sha256
{
"schema": "teppi.evidence.v1",
"capability_id": "cap_01M1A51PB8WXC2Q6FMNC4RMEMK",
"probe_id": "prb_01M3TN64Y15J8GNQ67SCD7DCAZ",
"golden_task_id": "gt_01M3KRFD09QYKD6K6SNPXN7MHC",
"observed_at": "2026-10-01T12:06:38.186Z",
"transcript_hash": "sha256:39a51a544b5444ed1330a685223d7fb4afa035b4df1cc89d548e1503ab543ab2",
"request": {
"url": "https://base-gas-x402-production.up.railway.app/gas?gasLimit=21000",
"method": "GET",
"body_hash": "sha256:44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a"
},
"response": {
"status": 200,
"body_hash": "sha256:1121edf622065c813250f7712cb673d90a38067e3a89b3a23ce0f456f446bc1e",
"latency_ms": 1238
},
"payment": {
"advertised": "5000",
"settled": "5000",
"asset": "USDC",
"network": "eip155:8453",
"tx_hash": "0x5695fcddcc526ca863b1c839d5435d151f7760241a59d2b17fddd25b15dc11c7",
"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 52033518",
"generated": {
"template": "gt_01M3KRFD09QYKD6K6SNPXN7MHC",
"network": "eip155:8453",
"subject": {},
"truth": {
"kind": "base_fee"
},
"before": {
"block": {
"number": "52033518",
"hash": "0x39d536a5cee8e1d308777ae3be3afe0a9554752c55aaedebd79f2fb0168ea874"
},
"values": {
"number": "52033518",
"hash": "0x39d536a5cee8e1d308777ae3be3afe0a9554752c55aaedebd79f2fb0168ea874",
"parentHash": "0x40b93321d598269e768010c764999137fdd546a8326859615d871a14b5ddbbd8",
"timestamp": "1790856383",
"gasUsed": "49654077",
"gasLimit": "400000000",
"miner": "0x4200000000000000000000000000000000000011",
"txCount": "158",
"baseFeePerGas": "5000000"
},
"answers": [
{
"provider": "rpc-base.blockmachine.io",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319f7ee",
false
]
},
"value": "{\"number\":\"52033518\",\"hash\":\"0x39d536a5cee8e1d308777ae3be3afe0a9554752c55aaedebd79f2fb0168ea874\",\"parentHash\":\"0x40b93321d598269e768010c764999137fdd546a8326859615d871a14b5ddbbd8\",\"timestamp\":\"1790856383\",\"gasUsed\":\"49654077\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"158\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base-rpc.publicnode.com",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319f7ee",
false
]
},
"value": "{\"number\":\"52033518\",\"hash\":\"0x39d536a5cee8e1d308777ae3be3afe0a9554752c55aaedebd79f2fb0168ea874\",\"parentHash\":\"0x40b93321d598269e768010c764999137fdd546a8326859615d871a14b5ddbbd8\",\"timestamp\":\"1790856383\",\"gasUsed\":\"49654077\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"158\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base.drpc.org",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319f7ee",
false
]
},
"value": "{\"number\":\"52033518\",\"hash\":\"0x39d536a5cee8e1d308777ae3be3afe0a9554752c55aaedebd79f2fb0168ea874\",\"parentHash\":\"0x40b93321d598269e768010c764999137fdd546a8326859615d871a14b5ddbbd8\",\"timestamp\":\"1790856383\",\"gasUsed\":\"49654077\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"158\",\"baseFeePerGas\":\"5000000\"}"
}
]
},
"after": {
"block": {
"number": "52033520",
"hash": "0x85e1db0306e587fd3b007e16f7ce520a73ed3daa6d823d07ef14a3bff9bf2431"
},
"values": {
"number": "52033520",
"hash": "0x85e1db0306e587fd3b007e16f7ce520a73ed3daa6d823d07ef14a3bff9bf2431",
"parentHash": "0x2956a791cb588bf587c008cbe8143c89e30a59c7d518a55cd642a68f242afc07",
"timestamp": "1790856387",
"gasUsed": "65893693",
"gasLimit": "400000000",
"miner": "0x4200000000000000000000000000000000000011",
"txCount": "326",
"baseFeePerGas": "5000000"
},
"answers": [
{
"provider": "rpc-base.blockmachine.io",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319f7f0",
false
]
},
"value": "{\"number\":\"52033520\",\"hash\":\"0x85e1db0306e587fd3b007e16f7ce520a73ed3daa6d823d07ef14a3bff9bf2431\",\"parentHash\":\"0x2956a791cb588bf587c008cbe8143c89e30a59c7d518a55cd642a68f242afc07\",\"timestamp\":\"1790856387\",\"gasUsed\":\"65893693\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"326\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base-rpc.publicnode.com",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319f7f0",
false
]
},
"value": "{\"number\":\"52033520\",\"hash\":\"0x85e1db0306e587fd3b007e16f7ce520a73ed3daa6d823d07ef14a3bff9bf2431\",\"parentHash\":\"0x2956a791cb588bf587c008cbe8143c89e30a59c7d518a55cd642a68f242afc07\",\"timestamp\":\"1790856387\",\"gasUsed\":\"65893693\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"326\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base.drpc.org",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319f7f0",
false
]
},
"value": "{\"number\":\"52033520\",\"hash\":\"0x85e1db0306e587fd3b007e16f7ce520a73ed3daa6d823d07ef14a3bff9bf2431\",\"parentHash\":\"0x2956a791cb588bf587c008cbe8143c89e30a59c7d518a55cd642a68f242afc07\",\"timestamp\":\"1790856387\",\"gasUsed\":\"65893693\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"326\",\"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": "2026.09.6"
}Verify it yourself
curl -s https://api.teppi.xyz/v1/evidence/sha256:dc626e4c316474f9b35e9eb5d51beaa094baf13cfce6a9716f294c2f79c68bce | sha256sumnpx teppi-check https://base-gas-x402-production.up.railway.app/gas?gasLimit=21000