Evidence row 555423

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/forex/rate/cny/hkd/cny-hkd"
    ]
  ],
  "name": "api.x402node.dev/forex/rate/cny/hkd/cny-hkd",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "4000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "Live CNY to HKD exchange rate (Chinese Yuan / Hong Kong Dollar). Zero-param: GET returns current rate. 人民币兑港币实时汇率。人民元/香港ドル 為替レート。Tipo de cambio yuan-dólar de Hong Kong. 위안 홍콩 달러 환율. cny hkd, cny-hkd, CNY/HKD forex quote. Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:55:07.64Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T09:55:07.429Z"
    },
    "resource": "https://api.x402node.dev/forex/rate/cny/hkd/cny-hkd",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live CNY to HKD exchange rate (Chinese Yuan / Hong Kong Dollar). Zero-param: GET returns current rate. 人民币兑港币实时汇率。人民元/香港ドル 為替レート。Tipo de cambio yuan-dólar de Hong Kong. 위안 홍콩 달러 환율. cny hkd, cny-hkd, CNY/HKD forex quote. Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"ec00d8106e0812dc55b2a3b45c196846fa7ccdccf882fa97bf7f511409741c66","id":555423,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133790937347,"prev":456494,"subject":"x402_bazaar:https://api.x402node.dev/forex/rate/cny/hkd/cny-hkd","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. 0xd8a9f2b78f455db6d8f6b88effccc4f3a799f3207c048beb6cb5e146c119564d
2. 0x590b3cbf1104ba918344beb421a07fe5438694e444a85a4a86bb8ea8bf5544c6
3. 0xadffc025e3748719a20630565d23b951ca43ada535b22b0e7991a7471a6d62fb
4. 0xe4c287ec49271ff6028a3500ab9d9acf0f4f612a044d0d4f6e9e74c4c03317dd
5. 0xb9e2dfcc38ef94bb717776ae770c21fd5e2734ff9347d2b554bba1c5a822222a
6. 0xb1a49a3b6b1450fef361cd214b16bbedb620015f996412892ff16d0d05f8556d
7. 0xbfb53bc360edcf1dd8906f6ca61967ce563cc7585eddbf54d300748199dcd75f
8. 0xdbda9d06f14c6999bd8c996ef3198e79e1e42a2d8641fc0f0d3844a3738ea9b3
9. 0x11f7db7aa886b80fff9ef585dab246321de4697929550975a471952e0cfe37cb
10. 0xb53d1c4a76e033644f89ac53f7cf54305fe5dc930aec990b2077c8a49cdfeb26
11. 0x3dca44952a9682a51f9efd327b03aab50a00e491555a6e0d2002b9d4c8a802cd
12. 0x849261a3d4118e022f8782d6166f4778e44fb4b1ae758bb02cd94e56b5df0896
13. 0x13692b463800846f580925c8ea49b43f92b7df3f9e8d32b8a18802640cca3780
14. 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4