Evidence row 555385

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://138-197-15-135.sslip.io/v1/base/erc20-balance"
    ]
  ],
  "name": "138-197-15-135.sslip.io/v1/base/erc20-balance",
  "owner_address": "0x10741397e86340a4608c771a9b823038d762ea42",
  "raw": {
    "accepts": [
      {
        "amount": "2500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x10741397e86340a4608C771a9B823038d762ea42",
        "scheme": "exact"
      }
    ],
    "description": "ERC20 balance of any wallet on Base, Ethereum, Arbitrum or Optimism (USDC by default) via balanceOf, with decimals applied. Deterministic, no LLM.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "base",
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "wallet": "0x10741397e86340a4608C771a9B823038d762ea42"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "balance": "1.5",
              "chain": "base",
              "decimals": 6,
              "raw": "1500000",
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "wallet": "0x…"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "chain": {
                      "description": "Chain: base (default), ethereum, arbitrum, optimism",
                      "type": "string"
                    },
                    "token": {
                      "description": "Token contract (default USDC)",
                      "type": "string"
                    },
                    "wallet": {
                      "description": "Wallet address",
                      "type": "string"
                    }
                  },
                  "required": [
                    "wallet"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "queryParams"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T16:50:54.784Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T16:50:54.685Z"
    },
    "resource": "https://138-197-15-135.sslip.io/v1/base/erc20-balance",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "ERC20 balance of any wallet on Base, Ethereum, Arbitrum or Optimism (USDC by default) via balanceOf, with decimals applied. Deterministic, no LLM."
}

What the leaf hashes

{"body":"4339f5605d97d7f5569033545888e0b74f5f4ff77419833b67a944f0413aa08c","id":555385,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133790047732,"prev":null,"subject":"x402_bazaar:https://138-197-15-135.sslip.io/v1/base/erc20-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. 0x0fdcb5964d8b9eb75e8ebba6c59012cccd4c162e224088ebb2c2eb9ffb6f2ffb
2. 0xccd7b6ebf82bdb4946052c4b6a0fa775152609f090017f85e55443f2e9e992ec
3. 0x81acb00a1757b2479d896d5cce1850ba18fff5f4689de8d706a6e0cb0c49e94e
4. 0x25b8bb706d24e84fcfa20d927cfb1392404dab336292abfb6b7288a19b644fe6
5. 0x8a5c8a8f0995c1227efaeb5bfaa4d3d90b6e68d423114694777f6ca982e07185
6. 0x5d81727499713f8a4dc07177cfe5020eea8077b9b92a9b2117175d590e3148d3
7. 0xcd157db42bb37a6bc72dc8392a835982a2bbc70a38062d7c72c75b2dbe627c83
8. 0x8c321988df1d6b0bd9964645efca8cecae5e4f138bece5955264ee8a7adc7530
9. 0x427c9ebc48aea6f5253a26e6a59ec3e50c7af140d2765eb6f7db2ad8e62ee4f6
10. 0x881c655bfa9ead003aa2814cbe7266bcbe27d192dbf9beca8cd2e542c42640ce
11. 0x8ac2fe99f9dd601ab64a254bbaed16deea227866f6b921e1bd7aaefef2e05b53
12. 0x0d3ea2b5e8eb21cf4cb25a0567ff70340d50d07631267f35ddfc7cd1de74eea5
13. 0xedf6ab3c3733ce137d888d3e5f7006ba77ab04b8f1fe576519f7b056959665ee
14. 0x52c5141da0cbee106a30396ee7d1360fd22f55084aca2ca436c8007892775670
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4