Evidence row 409143

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/finance/forex"
    ]
  ],
  "name": "api.x402node.dev/finance/forex",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "8000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "8000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "Real-time forex / exchange rates from the European Central Bank (via Frankfurter). Pass from=USD and to=EUR (or batch to=EUR,GBP,JPY,CNY). Returns rates, inverse rates and last-update date. For AI agents needing exchange rate, currency conversion, fx rate and forex data. 实时外汇汇率,支持批量与反向汇率。 Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "from": "string",
              "to": "string"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "from": {
                      "description": "Base currency code (single), e.g. USD. Alias: base. Default USD.",
                      "type": "string"
                    },
                    "to": {
                      "description": "Target currency or comma-separated list, e.g. EUR or EUR,GBP,JPY,CNY. Alias: symbols.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T03:06:42.628Z",
    "quality": {
      "l30DaysTotalCalls": 116,
      "l30DaysUniquePayers": 21,
      "lastCalledAt": "2026-10-26T04:48:06.766Z"
    },
    "resource": "https://api.x402node.dev/finance/forex",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Real-time forex / exchange rates from the European Central Bank (via Frankfurter). Pass from=USD and to=EUR (or batch to=EUR,GBP,JPY,CNY). Returns rates, inverse rates and last-update date. For AI agents needing exchange rate, currency conversion, fx rate and forex data. 实时外汇汇率,支持批量与反向汇率。 Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"41c86a07f4273267bebb81dbea197b1b8a88ca55f191cab2eae485e9cc9e54cc","id":409143,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080348269063,"prev":67409,"subject":"x402_bazaar:https://api.x402node.dev/finance/forex","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. 0x9faed495aa1da52a7a28ff743be550b9fa64f0e24b9376ab31a97e3a843c49fb
2. 0x7b0d086e9023d11a809d58606336b5d5faf37b726386943947ca803b9854fe84
3. 0x5ee8d85b981e56b20a4a864774a20067f10d1a96de08d4cc8f78e320a3539dd0
4. 0xfd7f46c985fd92546915ccf1680e273e4a681dc9d3eb7936d56789c20a3596ef
5. 0x1867cfe785029d2482e18f829e98962c55791e5bb97909377c72dba102197e09
6. 0x120ce0a33cdfd483923fb866b4aa0400d584617bfad896d818fef073d841e8ca
7. 0x38ec491d081c96cb03c20a7ff74e0356282466e376ea87afd6a4484944b9f336
8. 0x030f5d243cc4ccfbf8378abbf20e4612cda75856292a27b61e81f027d5ee78bb
9. 0x30caf7a13cc90e3af6c2d6742c6c4ed401196828fbf2a108208b95b043ff66d4
10. 0x9f4eee77d8e6f50fe4369710b97c373f905852cb900084def77f27b459bf7a49
11. 0x70dbf5e56b082ea372d9f6f322b44de4dc06b3985cb3c1eb26e7a0dab527ff28
12. 0x121ffc8b387c54931bc53056e106d9ada0e2f7c1d32ebc819c3306406c952295
13. 0xa91c23113464e2fc1e93d41e407b7c6c254bee2eac2f7a550e2f9a1275eef26a
14. 0xb37e6165108af3c1962db6b76953aee5ee86201747a07444ad2760bf2d5dca23
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4