Evidence row 548488

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/finance/convert"
    ]
  ],
  "name": "api.x402node.dev/finance/convert",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "Convert an amount between currencies at current ECB rate. Returns input amount, target amount, rate, date. Use ?amount=100 and from=USD and to=EUR. Built for AI agents quoting prices in multiple currencies. Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "amount": "string",
              "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": {
                    "amount": {
                      "description": "Amount (optional)",
                      "type": "string"
                    },
                    "from": {
                      "description": "Source format (required)",
                      "type": "string"
                    },
                    "to": {
                      "description": "Target format (required)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T08:04:19.705Z",
    "quality": {
      "l30DaysTotalCalls": 114,
      "l30DaysUniquePayers": 20,
      "lastCalledAt": "2026-10-27T08:04:19.565Z"
    },
    "resource": "https://api.x402node.dev/finance/convert",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert an amount between currencies at current ECB rate. Returns input amount, target amount, rate, date. Use ?amount=100 and from=USD and to=EUR. Built for AI agents quoting prices in multiple currencies. Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"7652ac6ffe65c6d9496604210093ed2e13388eea8423204b964d7568734f3a05","id":548488,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133306663391,"prev":453271,"subject":"x402_bazaar:https://api.x402node.dev/finance/convert","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. 0x1833fafb454cb1bfb17f2f7e06030f90042a468f8ac9a4ac7625a2c414dc49ae
2. 0xb54f1ccd0952885736c0236e9a9ac6771e705ca2c366324151b28e1b65738541
3. 0x1780faad59d5510685567ad7106c0a4294282052ddd12065c83cce8f07383d22
4. 0x1cf88873f08f8dbed2065bc943ba87913d8d18df82fb9817b6998d97b74b3a9f
5. 0xfedba75d1007f3da733f5d68b455039915bf76dc40bb7da0b7b6778a87dc3bc4
6. 0x168e72101054479efedbc7bba427a289ebec10f4976aa8d63060d2c797500192
7. 0xf8dc7b3ed8451e458daee76198621c9ed496f3eef70ed9a653c7d3d51ae6042f
8. 0xc9dc1861758f252b8e97ab4bcde6b1b4af85925165b264c26b0d8c81bf5cab28
9. 0x092a9ce1f90c43bc954fbc156f548e262813377a0155740218d48249ef2e563e
10. 0xb2c61af36f4e381bd25df0021429da8b6682607f7465069a85856784ca9840ba
11. 0x3a308d481ae12b05ff4d5f5a64f87b375db92eb3a8ef3972c9ec3311eb3e6ae7
12. 0x7afa806e5533c63e57a18fda23b38702b370e8b298a35edc0c1de641c8ffcaec
13. 0xca0b37bb3b043ccf0f24c50fccd9c2f22b7e5290df49886008fc2ff55380fdd1
14. 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4