← The evidence ledger
Evidence row 1038798
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://premium.35-171-220-195.sslip.io/v1/tip/eth-gas
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 75e6e9c5445b9b3811acee1968428228d8395412614b5087d6dc0f131185b0a8
- Leaf
- 0x39f7fa5f5990004dd1886fe6fa2f2231fbe6663e54016ed398a38261dde1e928
What was observed
{
"endpoints": [
[
"x402",
"https://premium.35-171-220-195.sslip.io/v1/tip/eth-gas"
]
],
"name": "Mint Intel Pro",
"owner_address": "0xd5f3a78ab272eb36a997f4aa249b876bdb9692e3",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xd5f3A78AB272Eb36a997f4aA249b876BDB9692E3",
"scheme": "exact"
}
],
"description": "Ethereum mainnet gas tip for agents that send transactions: latest block number and age, base fee, eth_gasPrice, eth_maxPriorityFeePerGas and a suggested maxFeePerGas (2x base fee + priority), from one batched RPC call every 4 s. Long-poll with ?since=<seq>&wait=25. Prepaid meter price $0.0002/call (packs at /v1/meter); SSE at /v1/stream/tips.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"ageMs": 420,
"changed": true,
"data": {
"blockAgeSeconds": 5,
"blockNumber": 23700000,
"chain": "ethereum",
"chainId": 1,
"gwei": {
"baseFee": 0.41,
"gasPrice": 1.41,
"maxPriorityFee": 1,
"suggestedMaxFee": 1.82
}
},
"observedAt": "2026-10-29T12:00:00.000Z",
"seq": 812,
"stale": false,
"topic": "eth-gas"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"since": {
"description": "long-poll: the seq you already have; answers as soon as a newer value exists",
"minimum": 0,
"type": "integer"
},
"wait": {
"description": "long-poll: seconds to wait for a newer value (0..25); with a prepaid token an unchanged answer is free",
"maximum": 25,
"minimum": 0,
"type": "integer"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"type": "object"
},
"observedAt": {
"type": "string"
},
"seq": {
"type": "integer"
},
"topic": {
"type": "string"
}
},
"required": [
"topic",
"seq",
"data"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-29T11:45:35.82Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-29T11:45:35.478Z"
},
"resource": "https://premium.35-171-220-195.sslip.io/v1/tip/eth-gas",
"serviceName": "Mint Intel Pro",
"tags": [
"realtime",
"long-poll",
"sse",
"ethereum",
"gas"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Ethereum mainnet gas tip for agents that send transactions: latest block number and age, base fee, eth_gasPrice, eth_maxPriorityFeePerGas and a suggested maxFeePerGas (2x base fee + priority), from one batched RPC call every 4 s. Long-poll with ?since=<seq>&wait=25. Prepaid meter price $0.0002/call (packs at /v1/meter); SSE at /v1/stream/tips."
}What the leaf hashes
{"body":"75e6e9c5445b9b3811acee1968428228d8395412614b5087d6dc0f131185b0a8","id":1038798,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298276155543,"prev":null,"subject":"x402_bazaar:https://premium.35-171-220-195.sslip.io/v1/tip/eth-gas","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).
- 0x39f7ad65a7ff16b9328d5da7a3161c546d3987f0ac1bd0681c8d1ab99614b995
- 0x6d99a021ccbe8ad4fe9bc9ade2e096b2f1e975d8e5c9fe5ae98d5a288b2ae72d
- 0x90cd36c3fe478e1e4c2ee8491157accdf47d2ae8d36c81140205912453bbd5d0
- 0x7f3495028993f95a98d590f94ce71366446903dd84ed7b110cb29b301a6e693d
- 0x6bffa4125e72584e1a2e716f285a2cf504f48f801f18d427a634e4bee9d61ca2
- 0x976701650508e42591bbecc01f48431422a7f6ac196af3865d2ce005b3f7325c
- 0xe1383408e9491425c1cdaac85261621d8a6796463d76075ebe179f102ddce6e4
- 0x6d5f3bc5180884308276469945d0629f757e7eebd759b1ec8da6d44e478a1dcd
- 0xda6a124561605da1a39bf7f4483117a6266a047e430499697c50e8faa5290b29
- 0x417fc303eeba9884cc04f3d807aa2b70052de957d052854ba40cc00e41ee114d
- 0xec762f4c2d03974f74a7f1bf16368606eb68a80f1928758498bcd47dfbc281c6
- 0x323c003b20088ff5fc994bd02dcef5bb060fb6e3c817a34b4c86849e5240cf52
- 0x4b7bfa7784180e2ff8d66e25e97761344643b8692c744c82acf0f77be5670a82
- 0x14b86aca7e0af6917fa29c5b89b8f3eab1f2340a671c3d06e6ac6a34fd3a07ee
- 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
- 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
- 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
- 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1