Evidence row 61778

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent-data-tools.revmesh2074.workers.dev/ink/allowance"
    ]
  ],
  "name": "Token allowance, Ink ERC-20",
  "owner_address": "0x2074c40346ae2a90e0e4a391bcee6f16bf5277f5",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "82wfSCZhCmZA7zwqqt6Q3FG8nqYBwUvbThP6M97fa9Q6",
        "scheme": "exact"
      }
    ],
    "description": "Token allowance, Ink ERC-20. ERC-20 token allowance on Ink: how much a spender may move from an owner's wallet (allowance), raw and in token units, and whether the approval is unlimited. Use to check an approval before a swap or to audit risky open approvals; for the owner's balance use ink_token_balance. Token is a ticker (USDC, USDT, WETH…) or a 0x contract; a missing contract is 404 and a non-ERC-20 422, both uncharged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "owner": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
              "token": "0xF1815bd50389c46847f0Bda824eC8da914045D14"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "allowance": "0",
              "chain": "Ink",
              "chainId": 57073,
              "decimals": 6,
              "owner": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "raw": "0",
              "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
              "symbol": "USDC",
              "token": "0xF1815bd50389c46847f0Bda824eC8da914045D14",
              "unlimited": false
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "owner": {
                      "description": "0x wallet that gave the approval",
                      "examples": [
                        "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
                      ],
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "spender": {
                      "description": "0x contract or wallet allowed to spend (the example is Uniswap Permit2)",
                      "examples": [
                        "0x000000000022D473030F116dDEE9F6B43aC78BA3"
                      ],
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "token": {
                      "description": "Token: a ticker such as USDC or WETH, or the 0x ERC-20 contract address",
                      "examples": [
                        "0xF1815bd50389c46847f0Bda824eC8da914045D14"
                      ],
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "token",
                    "owner",
                    "spender"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "allowance": {
                      "type": "string"
                    },
                    "chain": {
                      "type": "string"
                    },
                    "chainId": {
                      "type": "number"
                    },
                    "decimals": {
                      "type": "number"
                    },
                    "owner": {
                      "type": "string"
                    },
                    "raw": {
                      "type": "string"
                    },
                    "spender": {
                      "type": "string"
                    },
                    "symbol": {
                      "type": "string"
                    },
                    "token": {
                      "type": "string"
                    },
                    "unlimited": {
                      "type": "boolean"
                    }
                  },
                  "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": "2026-10-26T12:16:54.559Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T12:16:54.434Z"
    },
    "resource": "https://agent-data-tools.revmesh2074.workers.dev/ink/allowance",
    "serviceName": "Token allowance, Ink ERC-20",
    "tags": [
      "ink",
      "erc20",
      "allowance",
      "approval",
      "token"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Token allowance, Ink ERC-20. ERC-20 token allowance on Ink: how much a spender may move from an owner's wallet (allowance), raw and in token units, and whether the approval is unlimited. Use to check an approval before a swap or to audit risky open approvals; for the owner's balance use ink_token_balance. Token is a ticker (USDC, USDT, WETH…) or a 0x contract; a missing contract is 404 and a non-ERC-20 422, both uncharged."
}

What the leaf hashes

{"body":"fcc207886915fc1ad516b61df7b241a2d4f502628c4d48283e46a84b68170f8d","id":61778,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025451819646,"prev":null,"subject":"x402_bazaar:https://agent-data-tools.revmesh2074.workers.dev/ink/allowance","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. 0x1593c0be118f6cb1c02b6be063f005e72f887c4db4c2da4932052db164a49d96
2. 0x0385e6af26ed11c1d22c451724ff8cb5692a1e962658392fb1c0ae017bf5542a
3. 0x4ac79f23fd6c2f0e2ad36de636465d5fa844b71ca2aba50de2321fe8ad0a3b21
4. 0xcafd344799367e88f063a42f250020f36b8d34c1c7ad4c938c88e51a49c4cc7b
5. 0x11519a9b3b3a102cacf9e9ea620ccd6bc689d121b568880dbfb804006c4ee640
6. 0x8b7223dd43b6f9a2fde4923bc084100e3d455a5a67121c2131325e03c0bfb9be
7. 0x2001c21354ee68febf1bd7a50814ff14a775e440b6f21d44c8f82bf1704be9b7
8. 0xcb8eb418784adf4d23b5733c65909f6e86e7c29fb41e1fdea30d71d71d2da71f
9. 0xc6f624ee07d2c93d3ca5b5c9ed13dd98b7195b7a64fcab7ce8d001dc468c8f15
10. 0xf07924bfe64608cf73375c37b3056cb1fc69bc858212ca3c92cf95f1a82935f6
11. 0xed7aa4f0a0c93f40e8bb99589e49cbc6da4d8144091eb55a8707245d7bf94039
12. 0x856fd0d049baa5f07cd2d5d524b40c994bed22cb46ea15af4cc075b3f3f3d444
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae