← The evidence ledger
Evidence row 123834
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://verifylite.hydratinghealingtouch.workers.dev/chain/price
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 29dbf4fd16e38df74ecb54f303e78ae4e9eae3577b256a592b6fb87f475d28c9
- Leaf
- 0x039b2ae38c654831560e01243487b4d8922f2c53380a9a137eb5cf6c2ee65df3
What was observed
{
"endpoints": [
[
"x402",
"https://verifylite.hydratinghealingtouch.workers.dev/chain/price"
]
],
"name": "VerifyLite",
"owner_address": "0xb33134504393140cfd963d76f62907d660880932",
"raw": {
"accepts": [
{
"amount": "2900",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb33134504393140cfd963d76f62907d660880932",
"scheme": "exact"
}
],
"description": "Current prices in USD from Chainlink Data Feeds on Base mainnet: ETH, BTC, cbBTC, SOL, USDC, DAI, and EUR. One pair or all at once, each with the feed's last update time, age in seconds, and a stale flag, read straight from the oracle contracts (the same prices DeFi protocols use). Useful for valuing balances, converting USDC amounts, and checking a stablecoin peg. Not charged for an unknown pair or when the feeds can't be read.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"pair": "ETH/USD"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"chain": "base",
"price": "3912.4471",
"prices": [
{
"ageSeconds": 312,
"pair": "ETH/USD",
"price": "3912.4471",
"stale": false,
"updatedAt": "2026-10-21T17:00:00.000Z"
}
],
"source": "Chainlink Data Feeds on Base",
"tool": "chain_price"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"pair": {
"description": "Optional pair, e.g. \"ETH/USD\" or \"BTC\". Omit for all: ETH/USD, BTC/USD, CBBTC/USD, SOL/USD, USDC/USD, DAI/USD, EUR/USD.",
"type": "string"
}
},
"required": [],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"s": [
"cdp_sdk_server"
]
},
"schema": {
"$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"
}
},
"eip2612GasSponsoring": {},
"erc20ApprovalGasSponsoring": {}
},
"lastUpdated": "2026-10-22T16:00:51.786Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-22T16:00:51.563Z"
},
"resource": "https://verifylite.hydratinghealingtouch.workers.dev/chain/price",
"serviceName": "VerifyLite",
"tags": [
"price",
"crypto",
"chainlink",
"oracle",
"eth"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Current prices in USD from Chainlink Data Feeds on Base mainnet: ETH, BTC, cbBTC, SOL, USDC, DAI, and EUR. One pair or all at once, each with the feed's last update time, age in seconds, and a stale flag, read straight from the oracle contracts (the same prices DeFi protocols use). Useful for valuing balances, converting USDC amounts, and checking a stablecoin peg. Not charged for an unknown pair or when the feeds can't be read."
}What the leaf hashes
{"body":"29dbf4fd16e38df74ecb54f303e78ae4e9eae3577b256a592b6fb87f475d28c9","id":123834,"kind":"listing","method":"baseline/1","observed_us":1793025623768717,"prev":null,"subject":"x402_bazaar:https://verifylite.hydratinghealingtouch.workers.dev/chain/price","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).
- 0x039b7a17ae7bb460264c9616c6b932e0f114d70b2bac6cf9c4765e23d3c1367a
- 0xb1f5b26f3d4e5bca0edb765bae296869c9afdaa9c08cf1b2cd3c12468c2fc810
- 0x61837c7bfb6afd5bcc9632c13fe9435dd59c97d6a4e00a1b153913fba59b4d80
- 0xe03daa2518e01d200f3a854ed4d5872ef34bc78d21efd561470a0b786fa1fd0c
- 0xf1268dc3e2de323e67b88aa0bb6e2458cac1182b3c0a8f67d1ecfb217e8e1bf2
- 0xc2646ca2da4bb3975db78054c50fa4e549ae45e3d31f047ba20f5879fd14aa24
- 0x40f013e4eb008c959dbb640c01a8697c0c0e8b306a123ac47413f0ded551d510
- 0x17ffa792a59e1f74e98a0e907bc84c8c6ee9925e9146f297ef63e840e691e0be
- 0x9369d7f705c2d6b0561162386f50f3ea46e36c4caebc9cfbecf87ecd6909ace5
- 0x1f18e0b2e922935cd8cf72485fb2b121046aa17f2946bfa3d06b3e3837120a98
- 0x0dadbaadc61f6ee6be4586a11afb533e54da3f5fef5c8ec2ecba1bfa573ce6d3
- 0x23033d81d9f4be06225e4276d276e0e8e02abc173d156a1b9a8fd5e4803ad199
- 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
- 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae