Evidence row 409209

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": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T12:04:38.683Z"
    },
    "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":"f9b178237fed2271fa08fbad0c6ef1bdd4d8a880395e5733e8b6ae7bdf13c538","id":409209,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080353714102,"prev":70688,"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. 0x8b9841544c5928988f3cb77fbb223347858d4f96c783f069581da58cbafa00f1
2. 0x0c394fe276e84022c5cdb82016926e32bf9975d0a529db7ffbcb54d58b03d8ad
3. 0x178c974daafb3b3d6905bb06f98bd057553276460381f5b1da1bf9bf2216ae5a
4. 0x0993d9cd0ff97dab54468d57add034e70816259b7d71fe030d5c84d67fabc387
5. 0x16ae20a0d984dfcb78c7f53f0a49773a84e471d8eb9c349fdc845d597905e889
6. 0x4144471c360565ea2d370e3bc65441c0fbd35de9d80ef0d4e0d146af8b18ddfb
7. 0x4c55049242925392d1a6473ff80ecaeacabc9a0b19b9fdcfe1e509fada61e20d
8. 0xf640fa04aeacab25ba1f4f0b80b913a260aa7031aa8701abe402b59ae1df7420
9. 0x2d7d45ff680434190b8afaeac0e174794ab02d968b20c730968db76f8020c8e1
10. 0x0ca30ec94337e2e0b4a0b00e9e5686108240f05cc6751241e417346db4380f8d
11. 0xcdbeb854b5cb2391772ef949ab5c1e3c24cc8221d97cd112ccb987b02e3d89da
12. 0xe9b891332733aa3fa69ace7f82b036df13816078968e2c10034f79c2255498d0
13. 0xea3d566bf95ca7a3a7f6de9c4f77180bd8c5ffd160486a27d870e8a2fb6d0b9e
14. 0x06e3b43165f5b3c31d850bc32f20b2e25b844564c4e042c141b9748c26a5a600
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4