Evidence row 3971516

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/crypto/convert/arb/usd/arb-usd"
    ]
  ],
  "name": "api.x402node.dev/crypto/convert/arb/usd/arb-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 ARB to USD at live price. Pass ?amount=1 for value in US Dollar. Arbitrum兑换美元换算。アービトラムを米ドルに換算。Convertir Arbitrum a dólar. 아비트럼를 달러로 환전. arb to usd, Arbitrum 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": "要换算的数量，如 ?amount=1",
                      "type": "string"
                    }
                  },
                  "required": [
                    "amount"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-16T00:21:42.085Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-16T00:21:41.918Z"
    },
    "resource": "https://api.x402node.dev/crypto/convert/arb/usd/arb-usd",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert ARB to USD at live price. Pass ?amount=1 for value in US Dollar. Arbitrum兑换美元换算。アービトラムを米ドルに換算。Convertir Arbitrum a dólar. 아비트럼를 달러로 환전. arb to usd, Arbitrum convert. Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"21b09ba8ccc9fffa18f83ab313cba7cf420c570e3cf0adb778f1458bca410432","id":3971516,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083713472862,"prev":1532057,"subject":"x402_bazaar:https://api.x402node.dev/crypto/convert/arb/usd/arb-usd","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0x44051f8b57ce41fab46ddc522cd750f00899d5feea533b35feb82677a2bb5ae0
2. 0x891858acc947ad39ef2aa66ab1b01b258c39d2dd16c682e24ef1b56937ef168d
3. 0xad6e5bc64ac4f0a0593199fc251422b05ec8981ee19d77eb6f3dd0059c5d9de7
4. 0x73bd7fe9adabb47efe9ed4924649a64661340361495e12e55682fd8a21eb42b9
5. 0x3b1e5ff8436fc3d041f60f9d6b6af1fc650a5371ba9523f672a17948d06ff563
6. 0x16c3910cd7aee64ef952e8096ff6fb2156dbe98613ea6f11cfc894b7d9d48d77
7. 0xa496625184e613d1400ecf6ab6a9ee065a241a928df7c61272793b1d17ffdafe
8. 0xb45b92d7daca02a34912546d0c5f6d022ec109f49ac4722118482876e1a4e050
9. 0x2be94eba5b51073d30e2cbf44d6cb27eaaab36961b92fc7aaf527c4c933c5e8e
10. 0xa09697baab3d926eb245c3fab763e43670e1ad3d6ecdb5de243e933b42887e63
11. 0x4d299d01814fbfc1db9d93d597b83b8ab542a8466acb4712ab034a319b8d68ff
12. 0x0183144ec1655b03a3c578495fcf8de18d8ed2894d21add36c02a879952776fe
13. 0x094372e12efe4d9d8ccfae291537c4c1354d5f2a93d1a54e3be53e44939cabea
14. 0x62f69e19a85a01019b04cf82cf89e7ecaed4f1828e18c1a83c33f808b13e077f
15. 0x1440bd4864ece4f3cb1a2fc48e88ddbd78cefd359ae16ceeb69a13e36b55021a
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa