← The evidence ledger
Evidence row 122201
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://tanod.dev/v1/chain/info
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 89b2824701b1a19d8c9311ec451366ded54ab3a7090fa373f836803ddb9a2ce4
- Leaf
- 0xef127fd71e7e4fbd496c90d641e1f16b484c892be8097e1753511765cb17e215
What was observed
{
"endpoints": [
[
"x402",
"https://tanod.dev/v1/chain/info"
]
],
"name": "Tanod chainpeek",
"owner_address": "0x593857a4a4f619543ea12394137c3004ce841720",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus",
"scheme": "exact"
},
{
"amount": "1000000000000000",
"asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
"extra": {
"assetTransferMethod": "permit2",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:56",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
}
],
"description": "chainpeek (Tanod) chain info: chain id, latest block, head age and gas price of Ethereum, Base or Robinhood Chain. Use when an agent needs a health check of Ethereum, Base or Robinhood Chain: chain id, head block, head age and gas price.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"chain": "base"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"base_fee_gwei": "0.005",
"block_number": 52373611,
"block_timestamp": 1791536569,
"chain": "base",
"chain_id": 8453,
"gas_limit": "400000000",
"gas_price_gwei": "0.006",
"gas_price_wei": "6000000",
"gas_used": "40814221",
"head_age_s": 3,
"native_symbol": "ETH",
"note": "RPC reads are cached up to 30 s"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"chain": {
"description": "ethereum, base or robinhood (Robinhood Chain, chain id 4663).",
"enum": [
"ethereum",
"base",
"robinhood"
],
"type": "string"
}
},
"required": [
"chain"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"base_fee_gwei": {
"type": [
"string",
"null"
]
},
"block_number": {
"type": "integer"
},
"block_timestamp": {
"type": "integer"
},
"chain": {
"type": "string"
},
"chain_id": {
"type": "integer"
},
"gas_limit": {
"type": "string"
},
"gas_price_gwei": {
"type": "string"
},
"gas_price_wei": {
"type": "string"
},
"gas_used": {
"type": "string"
},
"head_age_s": {
"type": "integer"
},
"native_symbol": {
"type": [
"string",
"null"
]
},
"note": {
"type": "string"
}
},
"required": [
"chain",
"chain_id",
"block_number",
"block_timestamp",
"head_age_s",
"gas_price_wei",
"gas_price_gwei"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_h7pxv14u"
},
"schema": {
"additionalProperties": false,
"properties": {
"a": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"erc20ApprovalGasSponsoring": {
"info": {
"description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.",
"version": "1"
},
"schema": {
"properties": {
"amount": {
"pattern": "^[0-9]+$",
"type": "string"
},
"asset": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"from": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"signedTransaction": {
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
},
"spender": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"version": {
"pattern": "^[0-9]+(\\.[0-9]+)*$",
"type": "string"
}
},
"required": [
"from",
"asset",
"spender",
"amount",
"signedTransaction",
"version"
],
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png",
"lastUpdated": "2026-10-25T23:37:02.635Z",
"quality": {
"l30DaysTotalCalls": 9,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-25T23:37:01.93Z"
},
"resource": "https://tanod.dev/v1/chain/info",
"serviceName": "Tanod chainpeek",
"tags": [
"chainpeek",
"chain",
"info",
"ens",
"calldata"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "chainpeek (Tanod) chain info: chain id, latest block, head age and gas price of Ethereum, Base or Robinhood Chain. Use when an agent needs a health check of Ethereum, Base or Robinhood Chain: chain id, head block, head age and gas price."
}What the leaf hashes
{"body":"89b2824701b1a19d8c9311ec451366ded54ab3a7090fa373f836803ddb9a2ce4","id":122201,"kind":"listing","method":"baseline/1","observed_us":1793025621212720,"prev":null,"subject":"x402_bazaar:https://tanod.dev/v1/chain/info","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).
- 0xef128469124cd15c1190360dc4c7d22b1069c5588a9b5057bdc35f26ce9022af
- 0x71dfdd942a8124680aa761d58eb5cca510509d2a6693b64b9fc61d4d072c2678
- 0xcf298ce2947be252a6968470c087ca5137507f6c533aed9fb150e50bbe32ebf7
- 0x943fcf0899556396ca45010e4917591dbcf98a43d6aaca01c089fc1739c86434
- 0x479335c930843eae965e5aecc1a61bb049aa665c0f8f199256bd31c744ea8155
- 0xc28e4e9edb9b364f72fdd93e5244ab566bda3142f62bd9c3cc1405ce888eb34e
- 0xfb16823f59ad13ce7184dd23068574e456694f68f8e59b28a7daba3309916579
- 0x837936f65bd56cda1962d67691b3954b24d74f56eabe60fb28f78141b311c80e
- 0x440aa12f458b66a948dfcf0f50ac4296e97c9dae5b280a17eee2db6252d7c2b5
- 0x561cc4451e40804fde77fce39392adfcb80c38ec84eb38d744520de2446c6e57
- 0xd1f02e907670bf2f4c72056210a7d4ee252934850293a927f852acd3952f44a4
- 0xb0cc0b4ce5a68e83d3e3e55b0387f828adf6f5eb6cfa666d75f6e16ed9d89c1f
- 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae