Evidence row 426680

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent-data-tools.revmesh2074.workers.dev/unichain/nft-balance"
    ]
  ],
  "name": "NFT balance, Unichain",
  "owner_address": "0x2074c40346ae2a90e0e4a391bcee6f16bf5277f5",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "82wfSCZhCmZA7zwqqt6Q3FG8nqYBwUvbThP6M97fa9Q6",
        "scheme": "exact"
      }
    ],
    "description": "NFT balance, Unichain. How many NFTs of one ERC-721 collection a wallet holds on Unichain (balanceOf), with the collection's name and symbol. Use to check a holder before a token-gated action or to see whether a wallet still holds a collection; for who holds one token id use unichain_nft_owner. Both inputs are 0x addresses; a missing contract is 404, a contract that is not ERC-721 422, both uncharged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "contract": "0x943e6e07a7E8E791dAFC44083e54041D743C46E9"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "balance": "2",
              "chain": "Unichain",
              "chainId": 130,
              "contract": "0x943e6e07a7E8E791dAFC44083e54041D743C46E9",
              "name": "Uniswap V3 Positions NFT-V1",
              "symbol": "UNI-V3-POS"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "0x wallet address",
                      "examples": [
                        "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
                      ],
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "contract": {
                      "description": "0x ERC-721 collection contract address",
                      "examples": [
                        "0x943e6e07a7E8E791dAFC44083e54041D743C46E9"
                      ],
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "contract",
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "address": {
                      "type": "string"
                    },
                    "balance": {
                      "type": "string"
                    },
                    "chain": {
                      "type": "string"
                    },
                    "chainId": {
                      "type": "number"
                    },
                    "contract": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "symbol": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_09e30bdm"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792567527/bazaar-icons/a67d2da18841a325.png",
    "lastUpdated": "2026-10-27T01:08:48.658Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T01:08:48.523Z"
    },
    "resource": "https://agent-data-tools.revmesh2074.workers.dev/unichain/nft-balance",
    "serviceName": "NFT balance, Unichain",
    "tags": [
      "unichain",
      "nft",
      "erc721",
      "balance",
      "wallet"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "NFT balance, Unichain. How many NFTs of one ERC-721 collection a wallet holds on Unichain (balanceOf), with the collection's name and symbol. Use to check a holder before a token-gated action or to see whether a wallet still holds a collection; for who holds one token id use unichain_nft_owner. Both inputs are 0x addresses; a missing contract is 404, a contract that is not ERC-721 422, both uncharged."
}

What the leaf hashes

{"body":"387e2d0238ec1be7a9f1efc7b4485b26ddaad266e8ed1c2b341811abe48e54eb","id":426680,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086298659817,"prev":409040,"subject":"x402_bazaar:https://agent-data-tools.revmesh2074.workers.dev/unichain/nft-balance","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x91e04e054e8f082a5932e2ccb8c75ff9c17e4a56cd53bf51ccf5e0032f755244
2. 0x35c4d74c61ce009c95b94bb7f5162f240be0ad94b91ece302890a49a7496431c
3. 0x80299a0f971e06d32dc7815962f00c13c6201ea941f410bca10e4ce7576eca0b
4. 0x9fc34109aea1d2b1431a18e887039a6831aa2dcff29e251d712c6dcdda38ba5d
5. 0xac71c2d02f23241bf96319aa9e26edbe80008d0cc454efe9313ac8819327eea6
6. 0x4f80080ac44cfe84ac35a467473e6624cd735eb1cd5807b0fc563caf398e6a07
7. 0xdcfa162658e48575ef556991811e33c3509d0c12e0e5ce0d074fdbde4745f4ae
8. 0x823229c18ce04cafbe5185d8b3ca391bb1376a17bd03bfcaa02df17b615d5fc3
9. 0xe9a0ea44abe3e26789f4ef0721e201de1cea156c2064a544b8f0490cf986e1ea
10. 0x661ad45868f05f6657414194f024a4b958ade814e0bdf453fcda52c79b0de636
11. 0xaa9773e9c492a92149563af713a17e44011b905d5edb354dd70fb0a97c82a438
12. 0xfd2b06953e26e4e360d929209ec04f8c67b7bbdc4861dbc60618fbc5f9b393f0
13. 0x5c9cbca5bb1d6be4d84e301b4e4c1a280536eb16ee98ed4add9057142c132dde
14. 0x06e3b43165f5b3c31d850bc32f20b2e25b844564c4e042c141b9748c26a5a600
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4