Evidence row 279634

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentx.sale/x402/fx-rates"
    ]
  ],
  "name": "agentx.sale/x402/fx-rates",
  "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": "FX rates: ECB reference rates for any fiat pair, e.g. base=USD&symbols=GBP,EUR,JPY",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "base": "USD",
              "symbols": "GBP,EUR"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "base": "USD",
              "date": "2026-10-23",
              "rates": {
                "EUR": 0.9,
                "GBP": 0.75
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "base": {
                      "type": "string"
                    },
                    "symbols": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "base",
                    "symbols"
                  ],
                  "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": "2026-10-26T12:23:48.737Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T12:23:48.298Z"
    },
    "resource": "https://agentx.sale/x402/fx-rates",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "FX rates: ECB reference rates for any fiat pair, e.g. base=USD&symbols=GBP,EUR,JPY"
}

What the leaf hashes

{"body":"3c2d24d98123c8cedaca1f71778e81db9aa6fa93c65bebe7e12479ca6d20a142","id":279634,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042342520082,"prev":219803,"subject":"x402_bazaar:https://agentx.sale/x402/fx-rates","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xef42910f46da95124c86a2c7d1b0c6dc486f9b0bf0348be6f7cb4af6260504b0
2. 0xe849f6b93c771177c4ad6b2bcd12b54d6065ad7a937c0ec2f251c1fffeba4b7d
3. 0x7de9f0a2928def533562f4350a76f5883ae994c198f4f6835f6dfb9799953c2d
4. 0xebc9a55793864e1f55758bc4edcb016ef7b30a4220918596e1b2a7617fe611d6
5. 0x1807301582d1ce800da1167a195177dca4287e49dec7e0c63d5a6b2fb41e5d6d
6. 0xfa39ab2d9abbe4441c20ce44c698c2fc1df4e4f0b6c0920df3173f43d59604eb
7. 0x4bb5c10c65160a3df36e52e9fffba5b8efd5d0c12251bb009f8e3a95df90fff5
8. 0x97dbb9d37a09afb1211421852dd000f7a62ec1591427dbb84f02bab190a03b8a
9. 0x440aa12f458b66a948dfcf0f50ac4296e97c9dae5b280a17eee2db6252d7c2b5
10. 0x561cc4451e40804fde77fce39392adfcb80c38ec84eb38d744520de2446c6e57
11. 0xd1f02e907670bf2f4c72056210a7d4ee252934850293a927f852acd3952f44a4
12. 0xb0cc0b4ce5a68e83d3e3e55b0387f828adf6f5eb6cfa666d75f6e16ed9d89c1f
13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae