← The evidence ledger
Evidence row 60672
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://89-116-220-218.sslip.io/base/network
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- aba35ddbc0ad9fc62175f231bf59926ad081d1b28a86a0a7f853f527bcb43cee
- Leaf
- 0xe740a28b29e1ccea1f918e0976c8ed27558bc1ec9ddc370ffcf1480c8c56eb92
What was observed
{
"endpoints": [
[
"x402",
"https://89-116-220-218.sslip.io/base/network"
]
],
"name": "89-116-220-218.sslip.io/base/network",
"owner_address": "0x427f423908233dbca2c51e4c6ae36d18f821641c",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0x427F423908233DbCA2C51e4c6AE36D18f821641c",
"scheme": "exact"
}
],
"description": "Base mainnet head: latest block number, block age in seconds, base fee and gas price in gwei. Use it to check the chain is advancing and to estimate fees before sending a transaction. One small JSON read instead of several raw RPC calls and unit conversions.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"type": "http"
},
"output": {
"example": {
"base_fee_gwei": 0.005,
"block": 36000000,
"block_age_s": 2,
"chain": "base",
"chain_id": 8453,
"gas_price_gwei": 0.006
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-20T18:49:27.165Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-20T18:49:26.681Z"
},
"resource": "https://89-116-220-218.sslip.io/base/network",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Base mainnet head: latest block number, block age in seconds, base fee and gas price in gwei. Use it to check the chain is advancing and to estimate fees before sending a transaction. One small JSON read instead of several raw RPC calls and unit conversions."
}What the leaf hashes
{"body":"aba35ddbc0ad9fc62175f231bf59926ad081d1b28a86a0a7f853f527bcb43cee","id":60672,"kind":"listing","method":"baseline/1","observed_us":1793025449154467,"prev":null,"subject":"x402_bazaar:https://89-116-220-218.sslip.io/base/network","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).
- 0xe7414447edafa0cb6012442d5818c60377e896302fe9e084c31ee242b6632cc1
- 0xd9a166ed9615e11d1352703f019cf5f338221838687f8bf0f5a20242a685296d
- 0xe807f1bdd35f4d39dc9fb4c4b0676bf66bd88c32c41db327230b1e5fcf112c78
- 0x00585e76edb0f4dedf30472da861b4a52a663255fd0863c0a934128539f73f0a
- 0x4accf52e47ec3251da39e3d792a12434786e5c07639e0aac4d8eb357d94dfada
- 0x5536af660d0fb9ccf1b2f0cecaee590f31527bbcba337ec9fe7f82c3add313ca
- 0xbe0d40a5a64f215095b4b6e3dbdba907b21705e805ed2b64f1f4db8910ba1fc4
- 0x49fc16891648636612ed5bc25f23ee5c444b2c5d126d8c4c2c8c9e21606fce2b
- 0x7ac3b0988445398aa46dab8c66370eba9af298b98f0fbd41fe2bb0ed965c3be1
- 0x7deeb175e21dc795de5c6a6747c18815aec2ac086521557682cc9d301183bd2e
- 0x59e039ae04bb13d1c4f6760e5371456ed0590ed6a27668ea3df8a519b5fd4655
- 0xb866b513dd861c870688f5d1a8e434b170eaa2fafb0961d6a674d452b8e58381
- 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
- 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae