Evidence row 72039

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ca-tax-api-mainnet.lxtap.workers.dev/arbitrum/balances"
    ]
  ],
  "name": "Arbitrum One Onchain Data",
  "owner_address": "0x2ecb9e1fcca7a62758c679f11bc3241466d181d8",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2ECB9E1fcca7A62758c679F11bC3241466d181d8",
        "scheme": "exact"
      }
    ],
    "description": "Native ETH balance of a Arbitrum One wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Arbitrum One.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "tokens": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831,0x912CE59144191C1204E64559FE8253a0e49E6548"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "chain": "arbitrum",
              "nativeBalance": "0.159411760906900921",
              "nativeSymbol": "ETH",
              "tokens": [
                {
                  "balance": "158.162265",
                  "decimals": 6,
                  "raw": "158162265",
                  "symbol": "USDC",
                  "token": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831"
                },
                {
                  "balance": "23.671066717268252605",
                  "decimals": 18,
                  "raw": "23671066717268252605",
                  "symbol": "ARB",
                  "token": "0x912CE59144191C1204E64559FE8253a0e49E6548"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "Wallet address on Arbitrum One",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "tokens": {
                      "description": "Comma-separated ERC-20 contract addresses on Arbitrum One, up to 20",
                      "pattern": "^(0x[0-9a-fA-F]{40})(,0x[0-9a-fA-F]{40}){0,19}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T08:16:01.526Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T08:16:01.404Z"
    },
    "resource": "https://ca-tax-api-mainnet.lxtap.workers.dev/arbitrum/balances",
    "serviceName": "Arbitrum One Onchain Data",
    "tags": [
      "arbitrum",
      "onchain",
      "erc20",
      "token",
      "wallet"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Native ETH balance of a Arbitrum One wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Arbitrum One."
}

What the leaf hashes

{"body":"7b10eaf6ba8db9068e4c79e2d1235fcad63b2091cf31b0ca820a9c6296326b2d","id":72039,"kind":"listing","method":"baseline/1","observed_us":1793025485153858,"prev":null,"subject":"x402_bazaar:https://ca-tax-api-mainnet.lxtap.workers.dev/arbitrum/balances","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. 0xd50ac9758fe514e391be634433b30d21a2aa0930172d1591135de4e8fc08486d
2. 0x56bb9bddc1f308798c5a213cb70f2c341443da4ae8b63c09062dd2a4fc29bd88
3. 0xdfa76bb19f84fc1e05f574bcaf5e50706cee975e671a4220d84647670ea72c5d
4. 0xf735020645fac76862187edcae43619abb9a4583c15c500b61cb4ac31de30218
5. 0xed232003267e4c12679288e42fa1399b424ddaa13b7963e16686339b15fb56ea
6. 0xf280a6cf54165b99192f02c6022251ebfd83dc52cef4ea1e1a22325816a7d2e9
7. 0x00818c759a1cbc4edea4cd2b2f081321970824162f86a8a40c5c19caa7b1ff76
8. 0x296a7dd1433e3ccb719aa73126f570746e8221698fa4504176fdd793eb2381db
9. 0xd574190c8f34f0f722f5ae9a12e7d965573611bd86afd47858cff27cb0537b74
10. 0x692eeb197968cd5781b6a621b2983348b30fee6c6aea503398abf2207d9af77b
11. 0x13af2618b202e3256bff92107d30a646eb897d2992ea1f3e08e75bf4bef84c31
12. 0x7026808261896a203198354548e5e8cabce4a06e89d077c172084841b47ae119
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae