Evidence row 407479

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": "2026-10-27T04:33:07.58Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-24T23:40:05.238Z"
    },
    "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":"db2de61639165401e1c48c8150e4b75baec314d1f35c8b35a980a76b970ccaf6","id":407479,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080248923302,"prev":75964,"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 2026-10-27 (273461 rows).

1. 0xc5873f0074328dca81c8d47fea36347f19c594dd413e62398ccab3c1b8190275
2. 0x06f5ae0baeb389eef60b6110667c54b9f52e6521d7f195e59f76d7c8edf8d4cd
3. 0xdd9e822defeb04ea562d783d48330dfc9472db1e77a6f5c6b34aedc694405851
4. 0xebb0ba4b0d6128875918e8777ee48bd9e1b12e958fd28d502a1370fad41dcd90
5. 0x2a46b196c0ab6770a704bd491c531b513ef77e885c586622474bc59d544c7d3c
6. 0xb728fabb44bc134860ca9998545b73ccd85526ea74361bd631f5030b41b4db1c
7. 0xebdb4aa433bf6e06ee10292ce638fda5d810664563efb4443a5fe6e6057e5923
8. 0x613691fa934c9860e6a4aa33ab2bceef30d0e27772321ddc106d8262f79ce636
9. 0xa18fc07711c01beabf1cea14b84183d394dc76e32b5d92e69f62efce096686ea
10. 0x8df52d496471e75e89f2aaedf085eeb513c13af12e3f665315115c5ce8eb9e9f
11. 0xaee0b65107319ac7d478b02b678408530570d0ec7f9fc1210cadd287c876dc5a
12. 0xee8734682e9314905d7abd2575a48cec1c4d752265d2b88ce346211a72684543
13. 0x72d49c3472216d5e76117068ea9a2a5f617bdb2ffda241f677ce8098a0219dfc
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4