Evidence row 548429

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/chain/gas-compare"
    ]
  ],
  "name": "api.x402node.dev/chain/gas-compare",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "Live gas price across Base, Ethereum, Arbitrum, Optimism, Polygon and BSC sorted cheapest first - lets agents pick the cheapest chain to execute an operation right now, real-time data that changes constantly and LLMs cannot know. gas comparison, cheapest chain, multi chain gas, gas prices, which chain cheapest, cross chain gas Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:05:06.22Z",
    "quality": {
      "l30DaysTotalCalls": 108,
      "l30DaysUniquePayers": 22,
      "lastCalledAt": "2026-10-27T10:05:06.08Z"
    },
    "resource": "https://api.x402node.dev/chain/gas-compare",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live gas price across Base, Ethereum, Arbitrum, Optimism, Polygon and BSC sorted cheapest first - lets agents pick the cheapest chain to execute an operation right now, real-time data that changes constantly and LLMs cannot know. gas comparison, cheapest chain, multi chain gas, gas prices, which chain cheapest, cross chain gas Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"4adba748379f5549d1a969d42a6521883809ab1509a6f6754cf8dcbd06770220","id":548429,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133304527915,"prev":453264,"subject":"x402_bazaar:https://api.x402node.dev/chain/gas-compare","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x994a7c016cda13e5b59e578641cc02085ab099f6b540eec459a34a1e93a5a393
2. 0xcaf67da94d44980af57268c0374b6b0eb5c939068b643b609aa5d70c8e34de21
3. 0x454330984a8bce359ff43276aa0c8abf66283d15c67dc9fa65028dd0138f9010
4. 0xe589fb38034f2227a4a3145a89bfd9018257c46a04e0d939990cb01188e3c7e2
5. 0xafb7448addd2d2163177f3ee14b5d23917535e580f01557c162f432daf6884ae
6. 0xccf340e380f870fb55ba026fdcf825539ea1d6bd77903b10b3e732ba166ccf25
7. 0xce0f59a2efefe20cb7775e026641061012f0981b4a3139b534b4ae2b2a710b36
8. 0x1c9c63d84fb84b48421095a31015b60992abf6909e06fcdf74e600b403a99f13
9. 0x958c41e2efbce04af91bcb1333624cb9c0ec93bf1454475a392ebe31fbd73cb9
10. 0xfafd7acbbf81c514ccd69cca332a22472485a9a7b44a7be505ade4139587597a
11. 0xa41abe253efa912fb9578616717d0a43d778c1509c3109fa4cfcc00433d8500d
12. 0xff66a3c0db6d61623a5ee399a8625355b32e95a4eb77e6d9f9ca4ae4dcbc5937
13. 0xfe6d2e9a468b7e99de9162a2ef30ac0b0e3b318387b4356bf524493aa67b295b
14. 0xa3c9c760ee424c178bab782711c2b9d3e15a80a6fde99165972cb75b306bb8b4
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4