← The evidence ledger
Evidence row 122210
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://tanod.dev/v1/chain/quote
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a76f1820fb6dafb51fb52b5fb0cab5707dc2b0d9a31dac009517da38a73337c8
- Leaf
- 0xee7436c4e6267229f3dbf345734a8b6555a6a807e8562f991fd625ab875201df
What was observed
{
"endpoints": [
[
"x402",
"https://tanod.dev/v1/chain/quote"
]
],
"name": "Tanod chainpeek",
"owner_address": "0x593857a4a4f619543ea12394137c3004ce841720",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
}
],
"description": "chainpeek (Tanod) swap quote: the best Uniswap V3 single-pool exact-input quote over the 0.01/0.05/0.3/1% fee tiers on Ethereum or Base. A spot quote, not a firm price. Read-only.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"amount_in": "1",
"chain": "base",
"token_in": "0x4200000000000000000000000000000000000006",
"token_out": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"amount_in": "1",
"amount_in_raw": "1000000000000000000",
"amount_out": "2581.028349",
"amount_out_raw": "2581028349",
"block": 52290474,
"chain": "base",
"dex": "uniswap_v3",
"disclaimer": "On-chain spot quote from Uniswap V3 QuoterV2 at the latest block: one pool, exact input, no gas or other venues included. Not a firm price or an execution guarantee; it changes every block and can be manipulated, especially for illiquid pools. Do not use it as an oracle.",
"failed_tiers": [],
"fee_tier": 100,
"gas_estimate": "75682",
"price": "2581.028349",
"quoter": "0x3d4e44Eb1374240CE5F1B871ab261CD16335B76a",
"tiers": [
{
"amount_out_raw": "2581028349",
"fee": 100,
"gas_estimate": "75682",
"initialized_ticks_crossed": 0
},
{
"amount_out_raw": "2579463015",
"fee": 500,
"gas_estimate": "75740",
"initialized_ticks_crossed": 1
},
{
"amount_out_raw": "2574527842",
"fee": 3000,
"gas_estimate": "72853",
"initialized_ticks_crossed": 1
},
{
"amount_out_raw": "2566901997",
"fee": 10000,
"gas_estimate": "81545",
"initialized_ticks_crossed": 1
}
],
"token_in": {
"address": "0x4200000000000000000000000000000000000006",
"decimals": 18,
"symbol": "WETH"
},
"token_out": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"decimals": 6,
"symbol": "USDC"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"amount_in": {
"anyOf": [
{
"maxLength": 160,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Exact input as a decimal in token_in units, e.g. \"1000\" or \"0.5\" (give exactly one of amount_in or amount_in_raw)."
},
"amount_in_raw": {
"anyOf": [
{
"maxLength": 78,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Exact input as an integer in token_in base units (give exactly one of amount_in or amount_in_raw)."
},
"chain": {
"description": "Chain to quote on (Uniswap V3).",
"enum": [
"ethereum",
"base"
],
"type": "string"
},
"token_in": {
"description": "Token sold (0x + 40 hex).",
"maxLength": 42,
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"token_out": {
"description": "Token bought (0x + 40 hex).",
"maxLength": 42,
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
},
"required": [
"chain",
"token_in",
"token_out"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"amount_in": {
"type": "string"
},
"amount_in_raw": {
"type": "string"
},
"amount_out": {
"type": "string"
},
"amount_out_raw": {
"type": "string"
},
"block": {
"type": [
"integer",
"null"
]
},
"chain": {
"type": "string"
},
"dex": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"failed_tiers": {
"items": {
"type": "integer"
},
"type": "array"
},
"fee_tier": {
"type": "integer"
},
"gas_estimate": {
"type": "string"
},
"price": {
"type": [
"string",
"null"
]
},
"quoter": {
"type": "string"
},
"tiers": {
"type": "array"
},
"token_in": {
"properties": {
"address": {
"type": "string"
},
"decimals": {
"type": [
"integer",
"null"
]
},
"symbol": {
"type": [
"string",
"null"
]
}
},
"required": [
"address"
],
"type": "object"
},
"token_out": {
"properties": {
"address": {
"type": "string"
},
"decimals": {
"type": [
"integer",
"null"
]
},
"symbol": {
"type": [
"string",
"null"
]
}
},
"required": [
"address"
],
"type": "object"
}
},
"required": [
"chain",
"dex",
"token_in",
"token_out",
"amount_in_raw",
"amount_out_raw",
"amount_out",
"fee_tier",
"disclaimer"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_h7pxv14u"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"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": "2026-10-08T20:53:09.611Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T20:53:09.19Z"
},
"resource": "https://tanod.dev/v1/chain/quote",
"serviceName": "Tanod chainpeek",
"tags": [
"chainpeek",
"ens",
"calldata",
"erc20",
"ethereum"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "chainpeek (Tanod) swap quote: the best Uniswap V3 single-pool exact-input quote over the 0.01/0.05/0.3/1% fee tiers on Ethereum or Base. A spot quote, not a firm price. Read-only."
}What the leaf hashes
{"body":"a76f1820fb6dafb51fb52b5fb0cab5707dc2b0d9a31dac009517da38a73337c8","id":122210,"kind":"listing","method":"baseline/1","observed_us":1793025621228903,"prev":null,"subject":"x402_bazaar:https://tanod.dev/v1/chain/quote","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).
- 0xee7427330fe4b568911476994053fe76ed024a02b3bf06ba45e7903ad201c170
- 0x8ea65ef7062a6fa144b20c306046866727cce0184b4afa62dc4b151792348941
- 0x413ba9b9d6c62116fe2007764deb20d36d262cf9766367ba2562e46a9dbeb67e
- 0x6177ae10148b80930f5874dd9d66cf570f99ba453accba3bdce82759db4d0731
- 0x9b18f3c7581a352dfa1766f0b5f15928742f055145e4ea52c52bfbfdd8c45488
- 0x58c61245274bc1864c5ed823eae8bf8da1748e337b3d232bf4742018e1b8da1d
- 0x4ac76e34144d7e57479def9f2ace4fbb81baac2ca953a21dc162f9d52032b35b
- 0xfa0c63a97410343c5394a7c177246c11ba1e1aab2b11c567c830beeac4c9fcc7
- 0x7084cd3d864c3a9e0b71070dc7e40ee89972541dec82ca743206a05c94a6830d
- 0x369a54d4fb4b5d5efccd93cfab5ea92ec0db3c689c151271b86dbcfa3a3a2a8f
- 0x31325ab4dbdfc029b65672f927dfb6f0b046d1c4c19b63eb548ad58c295af08c
- 0xe158f09cdbfb4f7be1bfd45fce3afcad32c2b3bb2fc2e181dadc193bbf194bfc
- 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae