Evidence row 3967588

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://tools.nythosx.com/v1/price"
    ]
  ],
  "name": "NythosX Agent Tools",
  "owner_address": "0x803522d25f7b6f2e6df006650cdc032e644057a2",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x803522D25f7B6f2E6Df006650CDc032e644057a2",
        "scheme": "exact"
      }
    ],
    "description": "USD price of a chain's native token, no gas data. Just the native-token USD price (ETH, POL or SOL), sourced from MEXC/Gate.io/Coinbase with the same price feed get_gas_price uses. Use this when you only need the asset price, not fees — get_gas_price and compare_gas_costs already return nativeUsd alongside gas data, so call this instead only to skip the gas lookup (e.g. valuing a wallet balance, not estimating a transaction).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "chain": "base",
              "name": "Base",
              "nativeSymbol": "ETH",
              "usd": 2468.07
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "chain": {
                      "description": "Chain whose native token to price",
                      "enum": [
                        "base",
                        "ethereum",
                        "arbitrum",
                        "optimism",
                        "polygon",
                        "solana"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "chain"
                  ],
                  "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": "2026-11-07T07:09:41.989Z",
    "quality": {
      "l30DaysTotalCalls": 13,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-11-07T07:09:41.611Z"
    },
    "resource": "https://tools.nythosx.com/v1/price",
    "serviceName": "NythosX Agent Tools",
    "tags": [
      "gas",
      "fees",
      "crypto",
      "evm",
      "solana"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "USD price of a chain's native token, no gas data. Just the native-token USD price (ETH, POL or SOL), sourced from MEXC/Gate.io/Coinbase with the same price feed get_gas_price uses. Use this when you only need the asset price, not fees — get_gas_price and compare_gas_costs already return nativeUsd alongside gas data, so call this instead only to skip the gas lookup (e.g. valuing a wallet balance, not estimating a transaction)."
}

What the leaf hashes

{"body":"621da419f14cefea0b864d0b4043be49cac61a01c6c1cb1138dca4c679a341f4","id":3967588,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083413177825,"prev":3764425,"subject":"x402_bazaar:https://tools.nythosx.com/v1/price","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0xf58fb0c2669df61286648e5ed7c98bfdb3ce2f877feee34e7b4b5028905c34b9
2. 0xfe5774456ec25ab50e9a98432136df9ce874b1ef3edda264d23457a86e1de427
3. 0xe79102dc9fbee45f5d74fb14f959a48576d567dc1a4e0d7b71fab4dfe61d91de
4. 0x557e2584eb815e6afbca8b578205e2d2a4a6d49809edc8545b4450a738251958
5. 0x86cee6b7cca1331efbc9750dfa7da6f5ed4ce76aed9f7f90fc8021759ba79a66
6. 0x787f1a4a00ef5a1860628de42ffe3ca79bc2d186f2de89c46dd23d17aa8c9466
7. 0x7617479b769744e6c66bf23fc436c5665d552c1a0b46f09d3dda3fc35ad12742
8. 0x02356ad28ca5e033817a1d4d85a86160fc66f2043e74ec14b68bc56e6ec327c2
9. 0xc2fbdf8a465f18bc836cc2e000e66dd42fd959bf3631d4c0d80e0419f750fa5d
10. 0x684290f209c9c9272bc76fc1d120dc30bf80fdd17ef09b15e2b629032f39593b
11. 0xda9901c62fb3065d860545dcdf054da05b02b32d7b7a778004d88a6567841fb3
12. 0x1f098fcda70c9e30abf88e454f62a1caf59bf8dd4e7091186dbf6b6b40157fff
13. 0xbb9fa9b6d258e3bdd3a398a3707add7a5e88a5c2c78305ea2b7ea696f4cf0b12
14. 0xf43413f83ed03b7c7cf9da72bbeca9e32610d671fd1e4e2b0c0cf6b3d8b94516
15. 0xb6dc07358d0932b83c713d4c82df6764849db6e58ee1c7cbc06d03f381a6b36b
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa