← The evidence ledger
Evidence row 786046
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.professorsausages.com/gas-oracle/prices
- Recorded
- Previous row
- #752162
- Body SHA-256
- 247c08693f2f4d2bf95e0aee851f396b3ff902d21ad1bc0975ebd96a7da54b68
- Leaf
- 0x049cdbc00e750cec5db2e896a123efb3cc59a1fd813f80ca86ad4e13dc2145ea
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": "2026-10-28T09:27:57.287Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-28T09:27:56.825Z"
},
"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":"247c08693f2f4d2bf95e0aee851f396b3ff902d21ad1bc0975ebd96a7da54b68","id":786046,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211314790310,"prev":752162,"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 (231336 rows).
- 0x049cdc6ab70f28162a958d986dba54f357cf843c4d0238d3ee0367d1da9d44bf
- 0xee29ad7389d14e309b70ea197ea44b43e084addb3c5faaeafc01d886709b3caa
- 0xbf46b01762462274bd5bb2f25c9afb3aaed68109f41baa34c1019be9fea0fb29
- 0xa388e757f9670ce9b48cbbd8f5eb845dc8a6921e6340de249498b841274d54a7
- 0x82f436c05846627e912ae77d99f912f9d90b1aa649643fb2f9a8bf2da48b8016
- 0x5f28e4d423bb0028a553956ab431cab89e4a8763ec1b7b9f2518becad4596556
- 0xf05dd996cf9926f3016a31082975feb7bcf229c4e53370183097a9ebddfb05e3
- 0xd0d11bd90e543ccff7dbb031499961be2de449db5e348251999cbf6b01a9ce45
- 0x86e6a047f154b55dcb05b55d6437a454e44798fae5a4f741a91bb479d8e06860
- 0xef007c4ab9e42d91a5898c291a6e752b8c7eac2d24fc90a317025f6ce1bf22f2
- 0xad249d4a88ccd32ed2c089cf53c81f3a1181b4e6be19153e70ca128bd3eda233
- 0x9722c620cf81fff3efae49c1a81beb5abd16550ccb0add5141be4cd89a95ce68
- 0x8dcd5f3419d7730712ce62dbc974d197b0e9c47ee96e0172cdc134c7a6bf73f2
- 0xf3fd571846115a5778f2f20ec53a7e9b272de5f8737a627379966b3745ad5e29
- 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
- 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
- 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
- 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae