Evidence row 70436

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/forex/convert/eur/usd/eur-usd"
    ]
  ],
  "name": "api.x402node.dev/forex/convert/eur/usd/eur-usd",
  "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": "Convert EUR to USD at live rate. Pass ?amount=100 for value in US Dollar. 欧元兑换美元换算。ユーロを米ドルに換算。Convertir euro a dólar. 유로를 달러로 환전. eur to usd convert. Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "amount": "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": {
                    "amount": {
                      "description": "要换算的金额，如 ?amount=100",
                      "type": "string"
                    }
                  },
                  "required": [
                    "amount"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:13:11.452Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:13:11.296Z"
    },
    "resource": "https://api.x402node.dev/forex/convert/eur/usd/eur-usd",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert EUR to USD at live rate. Pass ?amount=100 for value in US Dollar. 欧元兑换美元换算。ユーロを米ドルに換算。Convertir euro a dólar. 유로를 달러로 환전. eur to usd convert. Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"4b062c078483d28f7cfd65501146bd20a9c9450d95516cf60e01295bc341b437","id":70436,"kind":"listing","method":"baseline/1","observed_us":1793025480315791,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/forex/convert/eur/usd/eur-usd","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x87f2871ef175d4f9069adc9d3405282cea2e046c90c3f7e079fcc789397c3264
2. 0x8fbfef37f2dbf0b17d16f7dcb54bd02fd87b5334756576eb982f6887986aee54
3. 0xaa36c140ca3319737ddf9197be9bbf3f7d07df8575cc14dcc219bb33c5ef2466
4. 0xce5da6fef06e1a1c8a36380198d0c9a8e26891fc0ea4dcf8c665b93e087b8ba7
5. 0xed7fd8d18957cedda835f47d87a32b21b3851a3bba648f70be5f3d043d5044de
6. 0x17595633c8ae0b7b392d41526b494a003a2c658c788890f19380fc10633338f1
7. 0x3676c566ae038da71461fcfcb18e08fe041bba6d648c9cc6f723da9e85411961
8. 0xe14d732b56c95aa36e3810e3e6c39eef6fa281e07e5a3ad7c69bf292b2054ac6
9. 0x15dc08124bff9640e01c778aa68e9d252341331352ace94a61fdac8d4ce27f87
10. 0x07754f5d18ae94a58145ba055e77f9866d011c666e0e742dac34d5f46dce7f76
11. 0xab0c5c1fde083e427b8955a771d679773808751fc069bed2944e88e84fcb655e
12. 0x099dd43573993f2a1bea674129b7ed050429a0ac76c3bfda8aaf82a3af126469
13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae