Evidence row 71387

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://automaton-tx-explainer.vercel.app/v1/base/approvals"
    ]
  ],
  "name": "Base Token Approval Check",
  "owner_address": "0x679af3a893edd0aef4ac4c7776ba581b238c0717",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x679af3a893eDd0AeF4ac4c7776Ba581b238C0717",
        "scheme": "exact"
      }
    ],
    "description": "Check a Base wallet's ERC-20 approvals: allowances for 8 major tokens (USDC, WETH, USDbC, DAI...) to common spenders (Permit2, Uniswap Universal Router, Uniswap SwapRouter02, Aerodrome Router...); flags unlimited approvals.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x679af3a893eDd0AeF4ac4c7776Ba581b238C0717"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "checkedPairs": 64,
              "nonZeroApprovals": [
                {
                  "allowance": "unlimited",
                  "spender": "Permit2",
                  "token": "USDC",
                  "unlimited": true
                }
              ],
              "owner": "0x...",
              "unlimitedCount": 1
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Base wallet address (owner)",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "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": "2026-10-15T14:59:12.307Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-15T14:59:12.163Z"
    },
    "resource": "https://automaton-tx-explainer.vercel.app/v1/base/approvals",
    "serviceName": "Base Token Approval Check",
    "tags": [
      "base",
      "onchain",
      "evm",
      "crypto"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check a Base wallet's ERC-20 approvals: allowances for 8 major tokens (USDC, WETH, USDbC, DAI...) to common spenders (Permit2, Uniswap Universal Router, Uniswap SwapRouter02, Aerodrome Router...); flags unlimited approvals."
}

What the leaf hashes

{"body":"c823bd9d051bf1b9b00870a534c6d64ba185ce5d772035ec249f999b030efdc2","id":71387,"kind":"listing","method":"baseline/1","observed_us":1793025482086869,"prev":null,"subject":"x402_bazaar:https://automaton-tx-explainer.vercel.app/v1/base/approvals","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. 0xb9618cc108504cd4f8fcdb0cb92074dd0a46d078fbac50c734e1f7b36c2fb779
2. 0x372afa4d89392983a2f3d5f07f3eb23e7537af8da1f0b3a089d05c236abfcbac
3. 0x3fd9db0fa2898cd62147655b0c8a9324b000c76e6af96ae2d2a0942209109aba
4. 0xa38f10701b7f7ef2ecffc3d34e8d15920960cd975759157d9d0b00ff3a6ff57b
5. 0x5f9011b178d7adb20211540345dc02e9962f55473825310e4dcc6afdc6b8a1ac
6. 0x75c18d63b62c73d020d9fb03a6ccee9638b83ee05ebaf10b84a1ec5b9bec71da
7. 0xfa23f8ed61ff08ee1ec032532fe3064b64fae9186875bf7cd71e3344c654f573
8. 0xae03a5f4f2b28dcf146d631f3a96e4a9c33b2aaa844f724f424b45b5b0966ccc
9. 0x9bc815709ef4617796e520b1c2fe2f937d4fcee1ca427b494b0585f8683819ab
10. 0x2a5c6878834071db08774384e91dbce1a180bcb1f079fcc809e29d3efca761f5
11. 0xcf50b54d8921f0c22877e0b8d6b8393a1954218f000f7cac374e9f40a024f700
12. 0xb6efd79902cac6d5a402ebecb8069402f00961ab80cd71b4d647fbc686d975ec
13. 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae