← The evidence ledger
Evidence row 77394
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.561.group/v1/base-chain/gas-oracle
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 598847348b962dd766fd474bb263fe7a5c943fe4474fce0c607f9dbc1e2aa81d
- Leaf
- 0x83de850a271a2efcddeff66ed86d1d99505b1fce7a6b1f422fa92eead2207c00
What was observed
{
"endpoints": [
[
"x402",
"https://market.561.group/v1/base-chain/gas-oracle"
]
],
"name": "base-chain-gas-oracle",
"owner_address": "0x32886f6f361c1d570255c2762967a2e41d0e9b1a",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x32886F6F361C1d570255c2762967A2e41D0E9B1a",
"scheme": "exact"
}
],
"description": "Current Base network gas price, read live from a public Base RPC node (eth_gasPrice) and returned in both wei and gwei with the snapshot block it was read at.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"gweiGasPrice": 1,
"snapshotBlock": "1",
"weiGasPrice": "1000000000"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"gweiGasPrice": {
"type": "number"
},
"snapshotBlock": {
"type": "string"
},
"weiGasPrice": {
"type": "string"
}
},
"required": [
"weiGasPrice",
"gweiGasPrice",
"snapshotBlock"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"sign-in-with-x": {
"info": {
"domain": "market.561.group",
"expirationTime": "2026-10-23T22:30:34.961Z",
"issuedAt": "2026-10-23T22:25:34.961Z",
"nonce": "838564ae8e5cd2fe15189f55fd4eee4b",
"resources": [
"https://market.561.group/v1/base-chain/gas-oracle"
],
"statement": "Sign in to use what this wallet has been granted at market.561.group.",
"uri": "https://market.561.group/v1/base-chain/gas-oracle",
"version": "1"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"address": {
"type": "string"
},
"chainId": {
"type": "string"
},
"domain": {
"type": "string"
},
"expirationTime": {
"type": "string"
},
"issuedAt": {
"type": "string"
},
"nonce": {
"type": "string"
},
"notBefore": {
"type": "string"
},
"requestId": {
"type": "string"
},
"signature": {
"type": "string"
},
"statement": {
"type": "string"
},
"type": {
"type": "string"
},
"uri": {
"type": "string"
},
"version": {
"type": "string"
}
},
"required": [
"domain",
"address",
"uri",
"version",
"chainId",
"type",
"nonce",
"issuedAt",
"signature"
],
"type": "object"
},
"supportedChains": [
{
"chainId": "eip155:8453",
"type": "eip191"
}
]
}
},
"lastUpdated": "2026-10-23T22:25:35.174Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-23T22:25:33.58Z"
},
"resource": "https://market.561.group/v1/base-chain/gas-oracle",
"serviceName": "base-chain-gas-oracle",
"tags": [
"base",
"chain-data",
"gas"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Current Base network gas price, read live from a public Base RPC node (eth_gasPrice) and returned in both wei and gwei with the snapshot block it was read at."
}What the leaf hashes
{"body":"598847348b962dd766fd474bb263fe7a5c943fe4474fce0c607f9dbc1e2aa81d","id":77394,"kind":"listing","method":"baseline/1","observed_us":1793025493914374,"prev":null,"subject":"x402_bazaar:https://market.561.group/v1/base-chain/gas-oracle","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).
- 0x83de7e0a9ea1fd17a6fb430ec28daf34331c5dc83778b4049834e328ed7640bc
- 0xac8b367839c1705619d6ff95f9d8a5919e6744eed2f1bb31fd5a37c744eea7cf
- 0xc4604807a54fce52a16f11fd3ad7d7cfec655a517b920eb469b809f7e5fe510d
- 0x4cf34f2c15d7a9c851fea357f2e03be1fdb039c387a822c7c02fcd065965e797
- 0x3640f91f1ac0bec0a195f16258d4eddf447045962cf998feebad549439c97136
- 0x515707c67b567b5fb001cb694fa02b3dc6c9ccac6db41b8253a2b3a16bff2173
- 0x99a17ef9d29b63d648e0564424e52b8c00e21d1a5d54e0b968229a1168a016ef
- 0xeb5b99abb3e6d678b37d4a13cc8174afa6065062b99d155c104f7673fe0f8b64
- 0xa5e9a7d3f11a078919b79a649d5cac45bb07a6061d20bee3b964c61c255e4415
- 0x18033a2c4d97bdf70116da2594b654dbb6f1d12267646015d8db5a14fd3724c4
- 0xdb4295ae338449b07243daebee8c36f16b3aaca1599a8f860eb80e22bca21e79
- 0xfdaa032291ded0df2cf35d6e9dc6e7a2643d0fe027dd3ab321971f1f7bf69147
- 0x91c2ae93ec20c7fed5088112fe3941ca622dfb3f8f1022c4844726c361244bd4
- 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
- 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae