Evidence row 1039535

Observed 29 Oct 2026, 18:27 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://mintintel.35-171-220-195.sslip.io/v1/base/allowance/:token/:owner/:spender
Recorded: 29 Oct 2026, 18:27 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 57a578794819416505ebe880b1574b4b38f5ac1d4771e066ad09e507ee5a02f6
Leaf: 0x7acd1c57a552019b56c46d5351acf7deb67fc1be1cbaec714bc5db25dadbc3d1

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mintintel.35-171-220-195.sslip.io/v1/base/allowance/:token/:owner/:spender"
    ]
  ],
  "name": "Mint Intel: Base chain data",
  "owner_address": "0xd5f3a78ab272eb36a997f4aa249b876bdb9692e3",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xd5f3A78AB272Eb36a997f4aA249b876BDB9692E3",
        "scheme": "exact"
      }
    ],
    "description": "ERC-20 allowance on Base via allowance(owner, spender) (eth_call) - how much a spender such as Permit2 or a DEX router may move from an owner's wallet, decimal-adjusted, with unlimited-approval flag and known-spender label.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "owner": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "allowance": "0",
              "allowanceRaw": "0",
              "chain": "base",
              "chainId": 8453,
              "network": "Base",
              "owner": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
              "spenderLabel": "Uniswap Permit2",
              "symbol": "USDC",
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "unlimited": false
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/base/allowance/:token/:owner/:spender",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "additionalProperties": false,
                  "properties": {
                    "owner": {
                      "description": "0x-prefixed 20-byte EVM address",
                      "type": "string"
                    },
                    "spender": {
                      "description": "0x-prefixed 20-byte EVM address",
                      "type": "string"
                    },
                    "token": {
                      "description": "0x ERC-20 token contract address",
                      "type": "string"
                    }
                  },
                  "required": [
                    "token",
                    "owner",
                    "spender"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "allowanceRaw": {
                      "type": "string"
                    },
                    "token": {
                      "type": "string"
                    },
                    "unlimited": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "token",
                    "allowanceRaw",
                    "unlimited"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T10:23:40.16Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T10:23:40.074Z"
    },
    "resource": "https://mintintel.35-171-220-195.sslip.io/v1/base/allowance/:token/:owner/:spender",
    "serviceName": "Mint Intel: Base chain data",
    "tags": [
      "base",
      "evm",
      "erc20",
      "onchain-data",
      "rpc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "ERC-20 allowance on Base via allowance(owner, spender) (eth_call) - how much a spender such as Permit2 or a DEX router may move from an owner's wallet, decimal-adjusted, with unlimited-approval flag and known-spender label."
}

What the leaf hashes

{"body":"57a578794819416505ebe880b1574b4b38f5ac1d4771e066ad09e507ee5a02f6","id":1039535,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298442495668,"prev":null,"subject":"x402_bazaar:https://mintintel.35-171-220-195.sslip.io/v1/base/allowance/:token/:owner/:spender","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).
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Day root: 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
Chained: 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
Published: On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1

How to check it · This row as JSON