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Evidence row 64227

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://agentx402pay.com/api/wallet-balance
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
2934aad52ddfcef0de215da5523e0d6c42dbb8929483d0bcb36755b7677155d6
Leaf
0x921aa11b11880413d9f83638723ecdec4ec2b9fc6698b9555f955175f98ea36c

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentx402pay.com/api/wallet-balance"
    ]
  ],
  "name": "x402 Wallet Balance Lookup",
  "owner_address": "0xb2bdc37b8481f4cdcf38402cfcd446ae5133beef",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "FGbmnF4YVfNfh3VCJGGh4VkXxS5X2nzh4sw1UwahSESX",
        "scheme": "exact"
      }
    ],
    "description": "Native and (optional) ERC-20 token balance for a wallet address across major EVM chains (base, ethereum, polygon, arbitrum, optimism)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "chain": "Base",
              "native": {
                "balance": "1.24031",
                "symbol": "ETH"
              },
              "token": {
                "address": "0x8335...",
                "balance": "500.0",
                "decimals": 6,
                "symbol": "USDC"
              }
            },
            "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": "EVM wallet address (0x...)",
                      "type": "string"
                    },
                    "chain": {
                      "description": "Chain to query: base, ethereum, polygon, arbitrum, optimism (default base)",
                      "type": "string"
                    },
                    "token": {
                      "description": "Optional ERC-20 token contract address to also check",
                      "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"
        }
      },
      "offer-receipt": {
        "info": {
          "offers": [
            {
              "acceptIndex": 0,
              "format": "eip712",
              "payload": {
                "amount": "10000",
                "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "network": "eip155:8453",
                "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
                "resourceUrl": "https://agentx402pay.com/api/wallet-balance",
                "scheme": "exact",
                "validUntil": 1792449031,
                "version": 1
              },
              "signature": "0xb26c3bcf0df9423f1f7c5e9da51a3ddda652f034f0b341d88882e9dfee67441e7db8160c48fe28072db836ae85c53d8465966a4ccb4d87332bce45f50997c54a1c"
            },
            {
              "acceptIndex": 1,
              "format": "eip712",
              "payload": {
                "amount": "10000",
                "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
                "network": "eip155:137",
                "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
                "resourceUrl": "https://agentx402pay.com/api/wallet-balance",
                "scheme": "exact",
                "validUntil": 1792449031,
                "version": 1
              },
              "signature": "0x0e715da99048599bc7c295e162c604ed8389e63e15a6cea251c7f7388eecb9373606559c31f85f5eaa7cbf854bdb9dddb4ca9936f93a411cb26ae957d57fc7fb1c"
            },
            {
              "acceptIndex": 2,
              "format": "eip712",
              "payload": {
                "amount": "10000",
                "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
                "network": "eip155:42161",
                "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
                "resourceUrl": "https://agentx402pay.com/api/wallet-balance",
                "scheme": "exact",
                "validUntil": 1792449031,
                "version": 1
              },
              "signature": "0xc0cd61aae64c4788c4bffd1ebb7d3f0febf55e868aeabc0f262327a5386a887b6a46569a401ec16b9c332d0a4bcb67a547041e810874a46ac166b71d59ffe1d91b"
            },
            {
              "acceptIndex": 3,
              "format": "eip712",
              "payload": {
                "amount": "10000",
                "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
                "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
                "payTo": "FGbmnF4YVfNfh3VCJGGh4VkXxS5X2nzh4sw1UwahSESX",
                "resourceUrl": "https://agentx402pay.com/api/wallet-balance",
                "scheme": "exact",
                "validUntil": 1792449031,
                "version": 1
              },
              "signature": "0x1ba86d312ccd47ddf76d320d954e894ac7c35720032296576570605145ab3a2e4574d47a7202a0cf65eab7c76c1afefa213363c8fd1cf1f88fd71e760a47ff8a1b"
            }
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "offers": {
              "items": {
                "properties": {
                  "acceptIndex": {
                    "type": "integer"
                  },
                  "format": {
                    "type": "string"
                  },
                  "payload": {
                    "properties": {
                      "amount": {
                        "type": "string"
                      },
                      "asset": {
                        "type": "string"
                      },
                      "network": {
                        "type": "string"
                      },
                      "payTo": {
                        "type": "string"
                      },
                      "resourceUrl": {
                        "type": "string"
                      },
                      "scheme": {
                        "type": "string"
                      },
                      "validUntil": {
                        "type": "integer"
                      },
                      "version": {
                        "type": "integer"
                      }
                    },
                    "required": [
                      "version",
                      "resourceUrl",
                      "scheme",
                      "network",
                      "asset",
                      "payTo",
                      "amount"
                    ],
                    "type": "object"
                  },
                  "signature": {
                    "type": "string"
                  }
                },
                "required": [
                  "format",
                  "signature"
                ],
                "type": "object"
              },
              "type": "array"
            }
          },
          "required": [
            "offers"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792349576/bazaar-icons/2476206f1e041b3f.png",
    "lastUpdated": "2026-10-19T22:25:31.589Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T22:25:31.375Z"
    },
    "resource": "https://agentx402pay.com/api/wallet-balance",
    "serviceName": "x402 Wallet Balance Lookup",
    "tags": [
      "wallet",
      "balance",
      "ethereum",
      "on-chain",
      "blockchain"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Native and (optional) ERC-20 token balance for a wallet address across major EVM chains (base, ethereum, polygon, arbitrum, optimism)"
}

What the leaf hashes

{"body":"2934aad52ddfcef0de215da5523e0d6c42dbb8929483d0bcb36755b7677155d6","id":64227,"kind":"listing","method":"baseline/1","observed_us":1793025456343200,"prev":null,"subject":"x402_bazaar:https://agentx402pay.com/api/wallet-balance","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x921b09b356df3618ca5dbba40f6412fadbcede5cc2a75d6f1365872dd34a4c0a
  2. 0x9236bc495dbd873049e50a82f0e293347b62c469d8ce500acad3dc0c77e73bb4
  3. 0xc0c3305b2921a0465c4c7a6a47a2c9636e1e7b4098266d03e062bc59008b427b
  4. 0xc83da8661a9ac58bf031fd2ae2bcbb9c1dbd06fd295cf51e1ad2f83f965e951d
  5. 0x4bb3e7c0d9a044500cf402bb8e5263d62557c0fa3f24144be718412b9531a9de
  6. 0xcebe397c99261e93f9b4f8cb8b3d3fef23586aae2769317c852655125182afe7
  7. 0x2e8547a52d097b95b7be9414a1e3ad90e0a879a347c100feefdd8a3764a49f4d
  8. 0xc5e4bddb037303c79e15231d3a6f99b3ea56e816ebf5275515ad1193fb5d8a0f
  9. 0x5e3a9e8753e009a1c5d774835c1440ea5baa86bc7363444b76f653c7ff87173d
  10. 0x832f34bb008802b110406e880902a2a6955e0c595bbbe020688b9d51bc08dc80
  11. 0x316efc275d57dcc035269c8eb6bada510779068882f33960d16f7f84af2b4432
  12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
  13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
  14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
  15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON