Evidence row 453264

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": 106,
      "l30DaysUniquePayers": 21,
      "lastCalledAt": "2026-10-27T05:16:24.382Z"
    },
    "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":"a9571b382fac686ee4107754f7b457bb97b2e8410477eef886e031a10fc1dc5e","id":453264,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100612530550,"prev":426808,"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. 0x7eb0b85864c84b7a85b2203fde5e4d2b7c87a29aeacc4632e1e37a494fed90d4
2. 0x78f152d0d0d709ec5d14156857988fa215a8d23467f0ebd20078ebfd984e2564
3. 0xffe38d0fa8f1d34030b177556aa18b1358adf1bf97b7a760948461ed92c3f60f
4. 0x048bc94e1f7cf34bea9dd68e8b7767c524abdd5dba8a14370501f73d3b4b0f7a
5. 0x235f8cb2143ef0887e150f5d01b1738c8d53c1d3e979b0df673887946e114de9
6. 0x9f44be6d4cf1aad9d9b81814e7a60a78b2a96e7d8cdde24b3753a183db5685a5
7. 0x4d5423e8d1dfc4286019ff676d5077ec16adf2b10dcc1028c18fd1074b28ac3b
8. 0x58c4bb9636c4902ca229756c1b03366710cd22841e9c905db81656da0a453852
9. 0x9fc556b45095dfbfde5cc73a618f10d1e3f91ad7c4884414f5268495313a164c
10. 0x570cb12c20cd5012b2bb587c01cdd898d9e25ca22fad8fbf3449412b030ca1ec
11. 0x868e095a0e024f898de0327309385070aef4560771a159bdc58d9e1c53b28672
12. 0x4b98c7145f5ead65ac9430579969acab10bc70758d3533f5a4fd4dbb462a2b61
13. 0xbc7cf10ae301dcdbc5db5be8c29e1b3618ffaf1c196a74cb6a9e6c4fae0bbeed
14. 0xfa0c8e8f1a1710ff197533b0a28208f2e168afe71abb7bb3416e09d1ac371d60
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4