Evidence row 70278

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/chain/balance"
    ]
  ],
  "name": "api.x402node.dev/chain/balance",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "4000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "Native coin balance for any address on Ethereum, Base, Arbitrum, Optimism or Polygon, optionally an ERC20 token balance with symbol and decimals. wallet balance, eth balance, erc20 token balance, check address balance, multichain balance Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "string",
              "chain": "string",
              "token": "string"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Wallet address (required)",
                      "type": "string"
                    },
                    "chain": {
                      "description": "ethereum, base (default), arbitrum, optimism, polygon",
                      "type": "string"
                    },
                    "token": {
                      "description": "Optional ERC20 contract address for token balance",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-20T00:57:55.81Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-20T00:57:55.43Z"
    },
    "resource": "https://api.x402node.dev/chain/balance",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Native coin balance for any address on Ethereum, Base, Arbitrum, Optimism or Polygon, optionally an ERC20 token balance with symbol and decimals. wallet balance, eth balance, erc20 token balance, check address balance, multichain balance Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"22d04ee5d2650577477920ecf22a4726d45da230dab8e5e1664d618b49c2d3f1","id":70278,"kind":"listing","method":"baseline/1","observed_us":1793025480114664,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/chain/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. 0x37e7877b8d87ab11ef34332c24e53263c03924dbb4c638af8f0167ea468e1df2
2. 0x841b021b1e255be8ab8f823e95b4ed54008e8a969b0041b48c3ba6a0b166d5d8
3. 0xf726d9152238c0c53bcfa29a1014ac0b4af4ac4a0edb0858908148eed83cdff2
4. 0x4fa66223fc88da3b4067972162eac1781a12846229506723fedd6abdd43fe965
5. 0xd0507e9969733cf498cce8f3bdfc3b26140868aa800454c07335e4339cb623a1
6. 0xbaba0a02162f2f345db830f1b5a348f540aae1990b2ecd4b3ea668b0350ed780
7. 0xddfde155f0474d8f20e4863bb48ab7ab8f0f2a012c251ab091bb4fb8e9bbcd32
8. 0x02b29fa3b6e04f7e9deb1e2206f3c9b9a1f9c6caac91fc8a9fe3c6118b3ae1a1
9. 0x1ce20812126b1222ee3e342710d3746521bf215e3c38b28fda9cb34e6d3bb871
10. 0xff1ff8dcc12c50635e4a66c3c00beef7e027b751a84ecfd916d28b30b631ab0f
11. 0xac34ddbc48fae726d62603aa0121ea4aa01a5fe05b84c5335b25521c1e72ed07
12. 0x8b23d34f6cd746f123b1e4d09449280800a81e00febe1fd9224b6802057238d5
13. 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae