Evidence row 426599

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentx.sale/x402/gas-check"
    ]
  ],
  "name": "agentx.sale/x402/gas-check",
  "owner_address": "0x9702ddf83ecb770f87ff6af04156be7241a3fe83",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9702dDF83ECB770f87FF6AF04156Be7241a3fe83",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "CL4gJQMCuBNLoRPdbEgwdRkyH6RLC2Eak6yombja4vD9",
        "scheme": "exact"
      }
    ],
    "description": "Gas price check: live gwei on Base, Ethereum, Polygon, Avalanche, Arbitrum or OP Mainnet, with USD cost of a token transfer",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "chain": "Base",
              "gasPriceGwei": 0.006,
              "transferCostUsd": 0.0003
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "chain": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T02:13:25.873Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T02:13:25.374Z"
    },
    "resource": "https://agentx.sale/x402/gas-check",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Gas price check: live gwei on Base, Ethereum, Polygon, Avalanche, Arbitrum or OP Mainnet, with USD cost of a token transfer"
}

What the leaf hashes

{"body":"8699239e5b4bf341c58cb4e3843a164dcfc7f529bd212758300d047137703c99","id":426599,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086293162274,"prev":409209,"subject":"x402_bazaar:https://agentx.sale/x402/gas-check","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. 0xd888f6d2c8326f37b64e9fed7c547c7dfad3d9ed7427b717510f2bdb04971143
2. 0x76c36deb0a42b99c1360010910d6c8866bf68533ac70b4f11c5b184e808a2416
3. 0x79174dac96f8a1c424668caf40b629c4086279a029c1058049dc5485f2b2668c
4. 0xfb8c507fee0cee11f8ae7075ba9cf8c527eaf91f5d729d3e0444ca2f54347263
5. 0xb4185e5e308f4f6d9a7cfc99f18d877675ab5409bc3a6a487398db55ceb36358
6. 0xa57954faf81222139e6a3e42cc25836fa4bbdaf9e98342348495ad9cbb7d499d
7. 0xceee415a7ff2a682d84321f0005a3cfc976de8b9d527fe2bed5a4eeeca61b910
8. 0x46bf2069a67145cc3affa1187e347e3df1fe4e96605a76a81f8025ade1e1918b
9. 0xa422445ad40b5e912992d3fcbd05da500df33bfb854cac5048135a6930993f94
10. 0xb53d1c4a76e033644f89ac53f7cf54305fe5dc930aec990b2077c8a49cdfeb26
11. 0x3dca44952a9682a51f9efd327b03aab50a00e491555a6e0d2002b9d4c8a802cd
12. 0x849261a3d4118e022f8782d6166f4778e44fb4b1ae758bb02cd94e56b5df0896
13. 0x13692b463800846f580925c8ea49b43f92b7df3f9e8d32b8a18802640cca3780
14. 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4