Evidence row 1508247

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://gogeta2-u35175.vm.elestio.app/agents/v1/payments/usdc-balance"
    ]
  ],
  "name": "USDC Balance on Base",
  "owner_address": "0xe414ad5c7542ce63d890526f0e2133ff8da6f22d",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe414aD5c7542CE63D890526f0e2133ff8da6F22D",
        "scheme": "exact"
      }
    ],
    "description": "Current USDC balance of an address on Base or Base Sepolia (balanceOf on the official Circle contract).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0xe414aD5c7542CE63D890526f0e2133ff8da6F22D"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "address": "0xe414ad5c7542ce63d890526f0e2133ff8da6f22d",
                "balance_raw": "0",
                "billing_unit": "address",
                "block_number": 52980236,
                "chain": "base",
                "chain_id": 8453,
                "generated_at": "2026-10-23T10:03:40Z",
                "price_usd": 0.001,
                "response_time_ms": 227,
                "source": "eth_call balanceOf on the official USDC contract",
                "sources": [
                  {}
                ],
                "usdc_balance": 0,
                "usdc_contract": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"
              },
              "service": "usdc_balance"
            },
            "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": "Address (0x...)",
                      "type": "string"
                    },
                    "chain": {
                      "default": "base",
                      "description": "base (default) or base-sepolia",
                      "enum": [
                        "base",
                        "base-sepolia"
                      ],
                      "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"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792822083/bazaar-icons/c9484d899d6f5520.png",
    "lastUpdated": "2026-10-31T00:30:16.64Z",
    "quality": {
      "l30DaysTotalCalls": 11,
      "l30DaysUniquePayers": 9,
      "lastCalledAt": "2026-10-31T00:30:16.209Z"
    },
    "resource": "https://gogeta2-u35175.vm.elestio.app/agents/v1/payments/usdc-balance",
    "serviceName": "USDC Balance on Base",
    "tags": [
      "usdc",
      "balance",
      "base",
      "wallet",
      "agent-payments"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current USDC balance of an address on Base or Base Sepolia (balanceOf on the official Circle contract)."
}

What the leaf hashes

{"body":"21bd8c98ee1cc264747eae70df4776156d3a927304a3dee08d95383b726b8c6d","id":1508247,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472708418309,"prev":1261465,"subject":"x402_bazaar:https://gogeta2-u35175.vm.elestio.app/agents/v1/payments/usdc-balance","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x877caa1d3738a3f75f0ef99d066be58b10a8e4b27b0a1fcd85da025ec2f62b0f
2. 0x1d9bbe926f2fd0798c07dfc6d8df179c9834a31c4ea7f414dcf7de70b96dc601
3. 0xf15a27546b8b8e4b3a16a6b79291407070c53b642932042b3cfa039deeb619c7
4. 0x386893974e5ed8967beff50f13993366e142b651016923d5a19ee118c8000149
5. 0x25415c793a98d36d5b77333aff242725b32cbc3e43cbcf43268668f80a49e9d5
6. 0xa695cdbdad460cd71a32aea48d33c4a691a1ef5392be0d48968f8fa8d94a9957
7. 0x3e01f257b9775bc886228664a2dff2847406f9b70119d1a868b4bdde378f84b7
8. 0x8a3185696dee51ddde0de5e034d4ca32b1d183436833788d6e9309d3a507d803
9. 0x480a2e119b237bfc036f69911cb1e9c8a8492837a5c70c0631d7f6355f5ab773
10. 0xf378d080bbdbb70c234806faadedfa06e5d1fa0d8ccba80ae4f5e0928d0cfa6b
11. 0xc0bb45c99562841f0edd11d7e7f30ca3058c8f9f239a91e2d37a99b314d3c0f6
12. 0xfafb97a1e78b1178204f2aa3ec355bd0798084ee2e6893e58ea0011ab04d48c7
13. 0xcad3c97cf166a2798df8342c196596fa38be5970e65d8bdb79bbec9bde84fdf5
14. 0xa59dc4109e7747a67ff1c74b854a6a84d4177b254204f0623f549d72e4be7445
15. 0xb553c856ad5fb96dd995dd0c40f65a2d8efc7b7f254a1ac0f2c104350e544985
16. 0x919f237dec4df392868ab95f1d4300b185479ae64464cbc2e7385ad1fd6ab390
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0