← The evidence ledger
Evidence row 3767053
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.professorsausages.com/gas-oracle/prices
- Recorded
- Previous row
- #3066536
- Body SHA-256
- 902ce134b2f93b89c9caa91f6ce4ab5bc81e46225499dc05ddccf991146f41a6
- Leaf
- 0xa7562d07e716c92c04c0e07bef2028f6efda56e36ede331c3477cd293f522b7e
What was observed
{
"endpoints": [
[
"x402",
"https://x402.professorsausages.com/gas-oracle/prices"
]
],
"name": "Multichain Gas Oracle",
"owner_address": "0x54ebfcf3870439b9db62381848c5dabc05c70d5b",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
"scheme": "exact"
}
],
"description": "Chainlink native-token USD prices (ETH/BNB/POL) with round metadata",
"extensions": {
"bazaar": {
"category": "defi",
"info": {
"input": {
"method": "GET",
"type": "http"
},
"output": {
"properties": {
"about": {
"description": "What this response is and where its data comes from, in one sentence.",
"type": "string"
},
"decimals": {
"type": "integer"
},
"fetchedAt": {
"type": "string"
},
"freshness": {
"description": "How fresh the data is, measured when you called. `age_seconds` is the number to act on; `max_age_seconds` is the refresh cadence (null = deterministic, cannot go stale).",
"properties": {
"age_seconds": {
"minimum": 0,
"type": "integer"
},
"as_of": {
"description": "Newest datum this answer is based on (ISO 8601).",
"type": "string"
},
"max_age_seconds": {
"minimum": 0,
"type": [
"integer",
"null"
]
},
"note": {
"type": "string"
},
"tier": {
"example": "nightly",
"type": "string"
}
},
"required": [
"tier",
"as_of",
"age_seconds",
"max_age_seconds"
],
"type": "object"
},
"prices": {
"description": "Keyed by symbol (ETH/BNB/POL).",
"type": "object"
},
"related": {
"additionalProperties": {
"type": "string"
},
"description": "Next steps as paths on this origin. Each is priced by its own 402 challenge; GET /.well-known/x402 prices the whole origin in one free call.",
"type": "object"
},
"source": {
"enum": [
"chainlink-on-ethereum"
],
"type": "string"
}
},
"required": [
"prices",
"source",
"decimals"
],
"type": "object"
}
},
"routeTemplate": "https://x402.professorsausages.com/gas-oracle/prices",
"schema": {
"properties": {
"input": {
"type": "object"
},
"output": {
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"help": {
"docs": "https://x402.professorsausages.com/gas-oracle",
"example": "https://x402.professorsausages.com/gas-oracle/prices",
"openapi": "https://x402.professorsausages.com/gas-oracle/openapi.json",
"sample": "https://x402.professorsausages.com/gas-oracle/sample"
}
},
"lastUpdated": "2026-11-04T03:33:25.608Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-11-04T03:33:25.157Z"
},
"resource": "https://x402.professorsausages.com/gas-oracle/prices",
"serviceName": "Multichain Gas Oracle",
"tags": [
"gas",
"fees",
"eip1559",
"l2",
"evm"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Chainlink native-token USD prices (ETH/BNB/POL) with round metadata"
}What the leaf hashes
{"body":"902ce134b2f93b89c9caa91f6ce4ab5bc81e46225499dc05ddccf991146f41a6","id":3767053,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996756083837,"prev":3066536,"subject":"x402_bazaar:https://x402.professorsausages.com/gas-oracle/prices","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).
- 0xa7567e646568abaaa10a9b275f0239551240207fd996a384f525723c8c8c4cf6
- 0xfc2d976b619e341a7ecbf7f088da340a2834d752d9f6775dc9410dc34be504c3
- 0x9a746698f34623414c0fa1ebcc3cc0feabf70b2d7d1b0fee9c2d77d22fa266db
- 0x0959505e239548deb994fa5b00024c9dde97788402e64cb11a13c0daee7d8b08
- 0x53f1ca69f15e5f9d395fe6fa12d48c96b1c44952a85dae1f818120f66568beec
- 0x0e9477b76307b1c72075a62ce937251b5b8f5f524f0a294a5dbc435b932e6caa
- 0xc775277bd861722b648bccc2d6e9d96d5614823f445f5919eb3507f270a8ea17
- 0xb436552d378185ce2615a092afaf380e19bff563261665c4dc3f9b6e710348e8
- 0xf7275699becfa9b7ca369c902227cb40b56a238baa60baebb39726fc2e314979
- 0x0d5443e08e61456d5f517ebb3a4b2c7377e5311f1e7fabfaddaa4c1deb5a0d50
- 0x580e3bbc4bb6c4f429e9c0badf12f7cede0d8ac3f7c08fcd40bf1feb99e9f301
- 0xe7ecb96ab295a12100ffefef4fd91a5a605c776cb033477ee9019b943e863cb7
- 0xb02c1cb653a7746407d955b2e76a432691b775223105f0f2bf6cdd963c56a912
- 0xb8cdc3434f126e876ea2c3ff38768a8afbd1988aaba81d57ab2a78f3dfcd545b
- 0xb12c082ef1a62be55def66eb167199a0d5bfcaf36f2f6e389298bc918cf1b0bc
- 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
- 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
- 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
- 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
- Day root
- 0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
- Chained
- 0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
- Published
- On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1