Paid call
The blob, as servednamed by its sha256
{
"schema": "teppi.evidence.v1",
"capability_id": "cap_01M1A51PB8WXC2Q6FMNC4RMEMK",
"probe_id": "prb_01M3RB6MK4Y7HKVM0QP0HD5A4D",
"golden_task_id": "gt_01M3KRFD09QYKD6K6SNPXN7MHC",
"observed_at": "2026-10-01T02:17:24.610Z",
"transcript_hash": "sha256:716e5ffecb58c9263bdbba75c8b3e5808de9abe755599af4385d04d3f9f8f529",
"request": {
"url": "https://base-gas-x402-production.up.railway.app/gas?gasLimit=21000",
"method": "GET",
"body_hash": "sha256:44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a"
},
"response": {
"status": 200,
"body_hash": "sha256:142f9133c80091b5055d8889e51bab147c8599ef282151ff2e85e97a228462ef",
"latency_ms": 1460
},
"payment": {
"advertised": "5000",
"settled": "5000",
"asset": "USDC",
"network": "eip155:8453",
"tx_hash": "0xf784776a1beb33129bbf82e46c4172757b0cc9e2e32196ca445fd8eca6bc9852",
"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 52015840",
"generated": {
"template": "gt_01M3KRFD09QYKD6K6SNPXN7MHC",
"network": "eip155:8453",
"subject": {},
"truth": {
"kind": "base_fee"
},
"before": {
"block": {
"number": "52015840",
"hash": "0x5ce373bd71d570958f1dcc78ce6c511cf6fab7bcb6f36c4e81adcadc1e9a35c7"
},
"values": {
"number": "52015840",
"hash": "0x5ce373bd71d570958f1dcc78ce6c511cf6fab7bcb6f36c4e81adcadc1e9a35c7",
"parentHash": "0xe90357d1e6929ef4ba802600e155cadab7cadbb9000d32abfbe1e0897af32187",
"timestamp": "1790821027",
"gasUsed": "41650160",
"gasLimit": "400000000",
"miner": "0x4200000000000000000000000000000000000011",
"txCount": "186",
"baseFeePerGas": "5000000"
},
"answers": [
{
"provider": "rpc-base.blockmachine.io",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319b2e0",
false
]
},
"value": "{\"number\":\"52015840\",\"hash\":\"0x5ce373bd71d570958f1dcc78ce6c511cf6fab7bcb6f36c4e81adcadc1e9a35c7\",\"parentHash\":\"0xe90357d1e6929ef4ba802600e155cadab7cadbb9000d32abfbe1e0897af32187\",\"timestamp\":\"1790821027\",\"gasUsed\":\"41650160\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"186\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base-rpc.publicnode.com",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319b2e0",
false
]
},
"value": "{\"number\":\"52015840\",\"hash\":\"0x5ce373bd71d570958f1dcc78ce6c511cf6fab7bcb6f36c4e81adcadc1e9a35c7\",\"parentHash\":\"0xe90357d1e6929ef4ba802600e155cadab7cadbb9000d32abfbe1e0897af32187\",\"timestamp\":\"1790821027\",\"gasUsed\":\"41650160\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"186\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base.drpc.org",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319b2e0",
false
]
},
"value": "{\"number\":\"52015840\",\"hash\":\"0x5ce373bd71d570958f1dcc78ce6c511cf6fab7bcb6f36c4e81adcadc1e9a35c7\",\"parentHash\":\"0xe90357d1e6929ef4ba802600e155cadab7cadbb9000d32abfbe1e0897af32187\",\"timestamp\":\"1790821027\",\"gasUsed\":\"41650160\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"186\",\"baseFeePerGas\":\"5000000\"}"
}
]
},
"after": {
"block": {
"number": "52015843",
"hash": "0x18d88e59c055e73254c424f74f3fd6f5f2122753f532efe31e1945c14b32524b"
},
"values": {
"number": "52015843",
"hash": "0x18d88e59c055e73254c424f74f3fd6f5f2122753f532efe31e1945c14b32524b",
"parentHash": "0xd1767214ffc0ddc883aea4ecc294f547c6fcfe3fc7fef4eeb41cc8ef53995693",
"timestamp": "1790821033",
"gasUsed": "37507596",
"gasLimit": "400000000",
"miner": "0x4200000000000000000000000000000000000011",
"txCount": "147",
"baseFeePerGas": "5000000"
},
"answers": [
{
"provider": "rpc-base.blockmachine.io",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319b2e3",
false
]
},
"value": "{\"number\":\"52015843\",\"hash\":\"0x18d88e59c055e73254c424f74f3fd6f5f2122753f532efe31e1945c14b32524b\",\"parentHash\":\"0xd1767214ffc0ddc883aea4ecc294f547c6fcfe3fc7fef4eeb41cc8ef53995693\",\"timestamp\":\"1790821033\",\"gasUsed\":\"37507596\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"147\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base-rpc.publicnode.com",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319b2e3",
false
]
},
"value": "{\"number\":\"52015843\",\"hash\":\"0x18d88e59c055e73254c424f74f3fd6f5f2122753f532efe31e1945c14b32524b\",\"parentHash\":\"0xd1767214ffc0ddc883aea4ecc294f547c6fcfe3fc7fef4eeb41cc8ef53995693\",\"timestamp\":\"1790821033\",\"gasUsed\":\"37507596\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"147\",\"baseFeePerGas\":\"5000000\"}"
},
{
"provider": "base.drpc.org",
"call": {
"method": "eth_getBlockByNumber",
"params": [
"0x319b2e3",
false
]
},
"value": "{\"number\":\"52015843\",\"hash\":\"0x18d88e59c055e73254c424f74f3fd6f5f2122753f532efe31e1945c14b32524b\",\"parentHash\":\"0xd1767214ffc0ddc883aea4ecc294f547c6fcfe3fc7fef4eeb41cc8ef53995693\",\"timestamp\":\"1790821033\",\"gasUsed\":\"37507596\",\"gasLimit\":\"400000000\",\"miner\":\"0x4200000000000000000000000000000000000011\",\"txCount\":\"147\",\"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/sha256:5ba1e987fd4d8cea77bb06fc30951661ff09677a69abca64323d9bd94bd3bd98 | sha256sumnpx teppi-check https://base-gas-x402-production.up.railway.app/gas?gasLimit=21000