Evidence row 453258

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": "2026-10-27T07:52:47.582Z",
    "quality": {
      "l30DaysTotalCalls": 114,
      "l30DaysUniquePayers": 21,
      "lastCalledAt": "2026-10-27T03:06:42.272Z"
    },
    "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":"e3ecbafc2b28768cf610c09141d79851830c8d607af621338cc71b7e2eb085ad","id":453258,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100612480097,"prev":426807,"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. 0xa50bd8aabced88d443114bad39f438158659f503817196cc15ab8c5a76f778c9
2. 0x772e9b3da70d7d3d0689d5136d0b260339c8d935f43fb0c9f389262d2eb9834c
3. 0xe660e485beb7a6319dbd7e5dabb4fb178ca0c30c2eebdd527f83c30c7fe31ced
4. 0xb93f6e4f7e7db73c5ea2e45bd18320e90d7a53aecfbc42ddab3adf16fc0502d0
5. 0x118d4c07730e2c8afe40607aa61fa873a916449c3245c5338d37d4a158fa3a82
6. 0x6c3e9b851c07488776a526a7e0c4cbff11aed1b47ab2abe8be8e976c115a7a76
7. 0x0f275c2a6345208e4179409767889825449232dc1eb35bfca386906bc75818a2
8. 0x7d1b8e158b62e427646bcc7878deb199eecdb484cff74c4db60d761c3576c630
9. 0x8ebdcb1150015f2ebd44a44ff4d91f18d5a42f8eea61859bcd454f8afbb8894f
10. 0x30b2bef539cfc666f7f3777825128bd81742169d36767f8b1b3d432a4f6a0f04
11. 0x69951fe7bef20c8209773a6c17f837f8a4e6e5fd13d18dd1c35d4587df471a68
12. 0xc99f276d750460ec390a64510fe7ad6b609e36fddb943e81299b02a623e63048
13. 0x87816aee66e8f6e0f1e55ea83733bb58cf9612d36c45fd5b7fc5d6f4484b78fd
14. 0x0644f7e2a4b5bf9b66f185cc3fbb766d456ad94490183852f4c6db5855114cc5
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4