Evidence row 548448

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": "2026-10-27T07:52:47.428Z"
    },
    "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":"9abe18cc9fb7ede79bc4e2a56d023573fcb84d2475015c0f0522780009c587c7","id":548448,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133306074145,"prev":453258,"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. 0x358a20bfe566ba0d78531b5d79f8ac7dad19def621b60e1111aad2cc85167587
2. 0xb368f0cf51c5443cfa6b89c4789638167b39890ad72354e8fb02b65786e9b073
3. 0x284631bf531eee0f08cfcd995865c6276cdc6e330369da0f8c349098c648590f
4. 0x06ce221918e334cfbcdfbbcd172c9529d0ffdcc19cef03eda305ca0c8c927b53
5. 0xedefe444d1f3ac9407e60ed8cdf4ca2546884584d94dc844dc466f1857e52556
6. 0x477c6a2856e5c4709c83327511103ad546cf49554c14c822f476da7d4702fd48
7. 0x4cd5a3226a3ef2361590e9fb5779059e43332d9bed8141d5a3f3ea9ebae94587
8. 0xe91edfc1d5444ae5487a53ef879ba3b194e792e5db3d1833119f9d539ffce641
9. 0xf2586cb85218f9c76d746aa96aa096956fde01af527f20035d5dd8756305260f
10. 0xecfcd53ac79b70d08a13f2d77817adc7520939d2bdbbb220a967aabc3c18ef72
11. 0x7d16ca26502bd3cffc15f5f1d96c750b48f891e77865e69e164c7296932a66f7
12. 0x0491d1aef43a95c6e235bd50f122c12c8c56196bb71b329f055061f0e9ee7115
13. 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4