Evidence row 60674

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://89-116-220-218.sslip.io/base/usdc-balance"
    ]
  ],
  "name": "89-116-220-218.sslip.io/base/usdc-balance",
  "owner_address": "0x427f423908233dbca2c51e4c6ae36d18f821641c",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x427F423908233DbCA2C51e4c6AE36D18f821641c",
        "scheme": "exact"
      }
    ],
    "description": "Live Base mainnet USDC and ETH balance for one address, read with eth_call at the latest block; returns decimal and raw values plus the block number. Use it to check a wallet can cover a payment or that funds arrived before acting. Simpler than running an RPC client and decoding ERC-20 calls yourself, and the block number makes each reading reproducible. Query: ?address=0x...",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x4200000000000000000000000000000000000016"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x4200000000000000000000000000000000000016",
              "block": 36000000,
              "chain": "base",
              "eth": 0.25,
              "eth_wei": "250000000000000000",
              "usdc": 12.5,
              "usdc_raw": "12500000"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Base address to read (0x + 40 hex chars)",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "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": "2026-10-21T12:01:41.583Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-21T12:01:40.874Z"
    },
    "resource": "https://89-116-220-218.sslip.io/base/usdc-balance",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live Base mainnet USDC and ETH balance for one address, read with eth_call at the latest block; returns decimal and raw values plus the block number. Use it to check a wallet can cover a payment or that funds arrived before acting. Simpler than running an RPC client and decoding ERC-20 calls yourself, and the block number makes each reading reproducible. Query: ?address=0x..."
}

What the leaf hashes

{"body":"8690ffa09c83ca8be150afc25801cd5410917bff357a12f8852d2fcbad341fbc","id":60674,"kind":"listing","method":"baseline/1","observed_us":1793025449156927,"prev":null,"subject":"x402_bazaar:https://89-116-220-218.sslip.io/base/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 2026-10-26 (296695 rows).

1. 0x98f0660451fd045d1408abb52a7e45d84e9c1b25b6f7f55ec2608ee8114aa091
2. 0x9dd175595c4a77359c6850924981d8472d659cbbf3935e03b3e958af16e6ad1e
3. 0xa5fcd714ae7cf540127fd94163258e6e8d5d6af17bc232626804bd340b2e60c1
4. 0x17a2bc2976691d907b77eca0217a6121d0557a6f8cda71b8a88c2954ff25e74e
5. 0x74d6f5bc7ebf0ca23ca3a79bfe5928082f373833f369ff29866bc3c97fa8f2aa
6. 0xc983118694221ad69f21c3618fb048bda6177f610fb37e36683efa43486e75be
7. 0x986ef49eb040d01cad5370b7f0c402883c6bff30981b3cca12675093df0771da
8. 0x204f059b2eb71a40e1ec64a68d80af61581178473ac9b5193d60ea658a37ae47
9. 0x5ebed75ca678129fe62392901b6d67c57f4dace48f5a0ab017ff64af5a40a159
10. 0x2b4f513a842f0518600372c41655e79b425e107967347efd041a1f46774282f2
11. 0xd3f19437d703373e99e0bf69c4ca06561426260f599f7d259e3257085a387573
12. 0x6ae9e6ee1b544d831982666bd3570457659e78fc0064894d7ec23f971a37ff2f
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae