Evidence row 1262202

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kr-x402-mvp.kgy5612.workers.dev/crypto/wallet-snapshot"
    ]
  ],
  "name": "Crypto Microdata for Agents",
  "owner_address": "0xe4be4d0bd82d8e68203deff81f79ede0529f2617",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe4be4d0bd82d8e68203deff81f79ede0529f2617",
        "scheme": "exact"
      }
    ],
    "description": "One-call Base wallet quick check (agent self-check or counterparty/payee check before you pay): native ETH + nonce + USDC balance + live gas cost of an ERC-20 transfer, and can_pay_gas / can_pay_x402 booleans. Cheaper than eth-balance + erc20-balance + base-gas separately ($0.006). wallet=0x..",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "wallet": "0xe4be4d0bd82d8e68203deff81f79ede0529f2617"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "can_pay_gas": false,
              "can_pay_x402": true,
              "chain": "base",
              "eth": 0,
              "gas_cost_erc20_transfer_eth": 4e-7,
              "nonce": 0,
              "usdc": 0.079,
              "wallet": "0xe4be4d0bd82d8e68203deff81f79ede0529f2617"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "wallet": {
                      "description": "Wallet",
                      "examples": [
                        "0xe4be4d0bd82d8e68203deff81f79ede0529f2617"
                      ],
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "wallet"
                  ],
                  "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": "2026-10-30T01:32:22.28Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T01:32:22.166Z"
    },
    "resource": "https://kr-x402-mvp.kgy5612.workers.dev/crypto/wallet-snapshot",
    "serviceName": "Crypto Microdata for Agents",
    "tags": [
      "crypto",
      "base",
      "wallet",
      "wallet-quick",
      "payee-check"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "One-call Base wallet quick check (agent self-check or counterparty/payee check before you pay): native ETH + nonce + USDC balance + live gas cost of an ERC-20 transfer, and can_pay_gas / can_pay_x402 booleans. Cheaper than eth-balance + erc20-balance + base-gas separately ($0.006). wallet=0x.."
}

What the leaf hashes

{"body":"0011ad67a730207f2ee88a59461332335b8f6cf3709ad324986f1e7ad375ab12","id":1262202,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385520577630,"prev":null,"subject":"x402_bazaar:https://kr-x402-mvp.kgy5612.workers.dev/crypto/wallet-snapshot","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xac95a1f4f9226b849d944f853bdb48e68ea49078d2a7f2ebf529dbf520558eb7
2. 0x5d17eb209a2394e8e768ccacb818196b3d1b5c5b5b7df4645c7d0d3c815cf3e4
3. 0xf49557125d88285b25b93d45da13231ab18b1bd59f628f726f4d846cb5038fd2
4. 0x6ba2ca9754c44f76d1ed2f7012adef459acbb7adc44da5e15b146729f3be74d7
5. 0x36dbdb2b3d4b65f820eb6cba99395e32b3a39e875140e3b57a57f73d0d3a9688
6. 0x9fdb0bba2fc2529cb5a2ad51e0a2ebc5dd0df4f96bf2f51861712e690bface08
7. 0x7bacc3dfc285b8f772c3d786abbc65bd9d71d019c2ef55cf1d889c224d63ca4e
8. 0xb87c7ead5b820d55b52e4135eac322a095b00abdec27aa6b302e96491beca9e0
9. 0xa3082ccc2d7d41e8decfd6433fc645858fb35e57dcefe366915d2637784ecfb6
10. 0x4452a8396e747ebc80e888885825debca45cbd9c9866ec5aea11f16442ac2491
11. 0x4a421255b1067e9950c61438b9a0af43982710037e033134f119b4b2f8c209c6
12. 0xf50221ca652ce2d14481b6c066bd45668186607e6def3b9f0fdefc2c0b32f857
13. 0x0409d601a89a50f7eb5f4894cbcd524cb8f362e2e58241fd0551016000226646
14. 0x4943cf5368ac3124a50a8845e933556cda4f3f7ee527441ef6351afbceee79d8
15. 0xa0b1f6bc1eecfaf70581673c1a7f638b96d1769a5c578c460337f7db0dbe963e
16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861