Evidence row 426807

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": 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":"ae9e95e80fde4b66d5238ca1471b302510010ecb3aeeeb3512a51d8f3e82224a","id":426807,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086308704161,"prev":409143,"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. 0xa6396ee9c32e4bdf78ae117e416e6900513381aa378805da57ba5c197b1e2b6a
2. 0x16002f700b78f5afe6786cd0ddc8c2a58e0b52c6465988c43d1b1ac9532fa916
3. 0x72ea387b768a4a0755bbcebce05700c22ed976ca24d00dca1f8e0041dbd1c634
4. 0x773202ad91be00538baaa6ee69bed4c2acc95e9e9285c839951c724a8f6b582c
5. 0x4b0fc11403abd213c2653e58a8fc37b71d2089d3dc846b48814a07bd38eab461
6. 0xe9c6ac9421fb81e7f1f432727a2770ca9d234a1e35c1df2138b7c04082d90904
7. 0xd1913c5ed9268b0f9e0753fe2b3cea37a8597c98a0387a5f1ac1cb4209840d07
8. 0xc5a1f12d5720a3fbaa106171dac6f135d3b90cc7ffcf16be30f5ca18b8033e56
9. 0xb21e8277609b8bd9c1eefc660c58e5b6e42da5aede751109c965b7df4e2dbc8c
10. 0x76451fed97381489257eac8b70a8a7a4ba15cd6724712eb382b994f2d9295bcc
11. 0x034cc06723268ab88a0185a8a88debb3a8fa6b85f9f28c3208420f7ab19160f8
12. 0x98f564dcc2f0d0fd67cbc3a17211687e12a4becc9b9c47ef78c02ff7431b734a
13. 0xb37156a04839055daed26674da38864f8dae598cab9742c6fb3e74eb3178f2d4
14. 0x0644f7e2a4b5bf9b66f185cc3fbb766d456ad94490183852f4c6db5855114cc5
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4