← The evidence ledger
Evidence row 126751
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.professorsausages.com/gas-oracle/prices
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c5866e72c734afab67b2ecb49d72d8f7069973c584a4139a89a97ed31ae6820f
- Leaf
- 0xd25aa80955c5ecd2adf7c1a41a51986b3bff477391546cd2aa12e97fb272b63e
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": "2026-10-21T03:31:38.419Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-21T03:31:37.984Z"
},
"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":"c5866e72c734afab67b2ecb49d72d8f7069973c584a4139a89a97ed31ae6820f","id":126751,"kind":"listing","method":"baseline/1","observed_us":1793025636006469,"prev":null,"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 (296695 rows).
- 0xd259dbecc8e69dce859736507e9ce06f294d491163146527d82c7a84489e883e
- 0x94ac5f1627c38cb714680c9fed2ec85fb4e2b82707fbcee250d086d8e770081d
- 0xc7acf7daad57b054e4b4f85bca63d4eb492756cfdc2ff7b7dff8235e20503a00
- 0xd6f555686599693722a2d136f6d11ff4bfc931b30d02d5ae2f102e58a7f8b2c0
- 0x2744d405d716105671d8c931f2420716639427c1ae88086e2e56cddfcb691db3
- 0xe95a1ebd05f429efa170332ea78d1dffc9b6372f28175d571fa97689f586dc48
- 0x84450683dcf568bbb1214d48c2aefcb90fa3ca6bee876d677260ddd531cc9184
- 0x11f95c9ec668f5a4e6d3db903cf3b7f3d3cfc501e416dc1a5f0400a0b06d633f
- 0xfbb63b4727e1ae463ce3d25820d264eca59816de60dee3823dff31e718bc8442
- 0xd1acd3a5e8f2e6b382461a84161503858e24e84a33d111371b0fdb2f41706bc2
- 0xeaf3195c275963f3eeb4749105d68120537a7f4d52fd74b2b409cf37abd6484b
- 0x9f6b360f1992898cb3f17e45d0bf5a96f946d7eaf9705a57af03c151a407d239
- 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
- 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae