Evidence row 426600

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": "2026-10-27T02:13:24.123Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T02:13:23.633Z"
    },
    "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":"a1c323852ac48c4fd172772663e3cc85dcab74252f7a0f4a8fd98d43e6c48b88","id":426600,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086293164564,"prev":409210,"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 2026-10-27 (273461 rows).

1. 0x86d8b91c2aea72e6ea92c17ff95a4c6fe65803c1733d17f1013b475738e65840
2. 0xaf0769131017fa7e78d9beb44255fbf86959852ba329835d156f42cc14617481
3. 0xfa1d6ea0886d47816aaabf771a1185003f0b3560819ce04c0df09d39fa85c63d
4. 0xb7f075b3156c81feded187645097d34ccbcc700925a23af3a28b135f7e3cecad
5. 0x5bc4c74225c8e5b291ec5161b7be0ce4973a817d7b274765343d78a960346430
6. 0x0ad789e5dc44354f03ca0958bdf56280cdc701e02056e283de914ced35f3440a
7. 0xe5f81115d358ecd2884c3fcbf200aee8464518d924bd53249a04071026977307
8. 0x50aeb0933f758aa3380efd47027e4b5951a42e140f9e524faba7f97203422f2d
9. 0xfe9c8b4512e24a544838a1623e599eaef004c2b9c4a3d409bda4a08a3273b0c5
10. 0x62b856b44e16d175a37058c6919f0c4acdf69afdf756c53db4e59cf54aa2a004
11. 0xa422cf0aa2444c11b145e66f51596fb564431c83c30bc600fea79ecf01652ab4
12. 0xe5ce8ac1ba4d6152605e0a032058cac5906d85f82e3fda1ad44852337b713b17
13. 0x07d414626f116f3edc6ddb34183ed02538c3a805fec6db00f9d764f8fd595d04
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4