← The evidence ledger
Evidence row 126815
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.shizu.me/gas
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c1df4a4f5d9d486349ce1df86d7ca3f053430e64081e635ccb8df36760510a1a
- Leaf
- 0xaef059bb6e8aaef72547ac172490efe6f1195ff678aa8fb2b56cd564c39b4c36
What was observed
{
"endpoints": [
[
"x402",
"https://x402.shizu.me/gas"
]
],
"name": "EVM Gas Price Oracle",
"owner_address": "0x217e5fe265eb78b29067bf8324ef03a7d8e167c4",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x217e5Fe265EB78b29067bF8324ef03a7D8e167C4",
"scheme": "exact"
}
],
"description": "Current gas prices for Base or Ethereum mainnet: legacy gas price, EIP-1559 base fee and suggested priority fee (all gwei), plus the latest block number. Query: chain (base | ethereum, default base). Real-time from public RPC. Use to time on-chain transactions, estimate costs, and monitor fee spikes.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"chain": "base"
},
"type": "http"
},
"output": {
"example": {
"base_fee_gwei": 0.008,
"block": 27100000,
"chain": "base",
"gas_price_gwei": 0.012,
"priority_fee_gwei": 0.001
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"const": "GET"
},
"queryParams": {
"properties": {
"chain": {
"type": "string"
}
},
"required": [
"chain"
],
"type": "object"
}
},
"required": [
"method"
],
"type": "object"
}
}
}
}
},
"lastUpdated": "2026-10-21T21:43:36.654Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-21T21:43:35.878Z"
},
"resource": "https://x402.shizu.me/gas",
"serviceName": "EVM Gas Price Oracle",
"tags": [
"gas",
"gas-price",
"ethereum",
"base",
"evm"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Current gas prices for Base or Ethereum mainnet: legacy gas price, EIP-1559 base fee and suggested priority fee (all gwei), plus the latest block number. Query: chain (base | ethereum, default base). Real-time from public RPC. Use to time on-chain transactions, estimate costs, and monitor fee spikes."
}What the leaf hashes
{"body":"c1df4a4f5d9d486349ce1df86d7ca3f053430e64081e635ccb8df36760510a1a","id":126815,"kind":"listing","method":"baseline/1","observed_us":1793025637149405,"prev":null,"subject":"x402_bazaar:https://x402.shizu.me/gas","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xaef049f458adda433c017abf11b426dcb3655d3a421da204e777da3efa9dc2f6
- 0x91e09ecd8dd925a877dc4e9be1075493d5ae55619a35377e56f84708a200d705
- 0xa7b017dc47612cbdccd7d58f28d55e016ad32972140a469268ac9949f79dab16
- 0x58a8044151f3121cdf8587dc2f08391bee5355970fcb63b3df50d98e9f30c6dd
- 0x41eab7ab620642839d32fc457b332e7647c7cb1a5cf4ee3a7a13ce41e2cbd2a2
- 0x5ce98b222cc6032c0cfaa4819697d4a77b1b5419bd797668067d9a6fc635ba39
- 0x19f98944597923044e306a486d8a5fe8b35f46e157084d03738793d8699e8f64
- 0x210883504a8db1389b91d85ae262a5f1314a8836242415405dafb269ba3f4900
- 0x2a68c46b8e4d47dfbc02abd4f2e679318ed73cf04bec95ec2bebc22e39cc388c
- 0x3107fa81688f3046afda2f948045d364316b247469a8a303ed99d9184e826a89
- 0x863ea2425c8cc958ae125e95c3e3170c9ac576a8c72849cb3f596e616b6fd6a8
- 0xd17258d4f01d074dcaf38f36218b36058144c3d50c3b488953a815c54d6674d2
- 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
- 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae