Evidence row 76248

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://heb-utils-x402.hebutils-api.workers.dev/base-erc20-balance"
    ]
  ],
  "name": "heb-utils-x402.hebutils-api.workers.dev/base-erc20-balance",
  "owner_address": "0x1cd76fe5f38ae5b2785962ee5a3799e846e9fa52",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x1CD76fe5f38Ae5B2785962EE5a3799e846E9fA52",
        "scheme": "exact"
      }
    ],
    "description": "Get the ERC-20 token balance of any wallet on Base mainnet. Pass the token contract address and the holder address. Returns the raw balance, decimals, token symbol and the human-readable balance in one JSON response. Works for USDC, WETH, DAI or any standard ERC-20. Read-only, live on-chain data.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "holder": "0x1CD76fe5f38Ae5B2785962EE5a3799e846E9fA52",
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "balance": "1.5",
              "balance_raw": "1500000",
              "chain": "base",
              "checked_at": "2026-10-12T00:00:00.000Z",
              "decimals": 6,
              "holder": "0x1CD76fe5f38Ae5B2785962EE5a3799e846E9fA52",
              "symbol": "USDC",
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "holder": {
                      "type": "string"
                    },
                    "token": {
                      "type": "string"
                    }
                  },
                  "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": "2026-10-25T20:39:49.613Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T20:39:49.476Z"
    },
    "resource": "https://heb-utils-x402.hebutils-api.workers.dev/base-erc20-balance",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Get the ERC-20 token balance of any wallet on Base mainnet. Pass the token contract address and the holder address. Returns the raw balance, decimals, token symbol and the human-readable balance in one JSON response. Works for USDC, WETH, DAI or any standard ERC-20. Read-only, live on-chain data."
}

What the leaf hashes

{"body":"79be951ea2aa1f05e7484758e83d603eb0620c7cd2fcb447a2301128aedd5a8a","id":76248,"kind":"listing","method":"baseline/1","observed_us":1793025491854287,"prev":null,"subject":"x402_bazaar:https://heb-utils-x402.hebutils-api.workers.dev/base-erc20-balance","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. 0x5ef4fc9620f808281d29aa8a50d7133d2bf63712a6349268bc2d6859cdddf293
2. 0xd5df94e85a423122bb490b4548946754d79ba68172d112d9d2d9b201c76679f2
3. 0x1ad9d777772992c800741a1a7390742313976dc9524e5c755d7a8e9d9f0c01ec
4. 0x23ff16733ccf8735a93536717394171d1e42bf12a6c42ca9d1d2d88f55b9a974
5. 0xdf8dba6fa195c99f42e7d340024077215048760c41b8faf871e42fd9b6e87b48
6. 0x55e39bd8197f5d1e3c7d0a10619cf0555035273d7ca640f4cebb2adfa5868b11
7. 0xa466f005e98e11a620a9c7cf5dc38b857762fc3895fc245c894a16af3934183b
8. 0x351eb67eaae4c0f124e4adb156db4376f75da7841ab7f9dbc14645b4eea0d68d
9. 0x999d703b352a38603d62e41f9b45b41c08519f950856709c0d04ae71a108dad3
10. 0x8a5cdded34bdb5e67f8d0ea283d9fd99467d39dd780b50b89398e9d04700430a
11. 0x8088b42b1c11cbc36b44c4b08d0759628b035caa2738251cd28ed0e7242e65bc
12. 0x5ab25c2fdf4695beeefb0726a5fc73e189b68f8d9fb2a3f6321ff7223b166fdd
13. 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae