Evidence row 1507801

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": "2026-10-31T18:40:04.792Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T10:49:36.609Z"
    },
    "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":"1bbc09c71d1d6f3ce8eacd3cc62a2457a80a91108031b645940e2efd699b61e0","id":1507801,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472704946540,"prev":1261880,"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 2026-10-31 (246033 rows).

1. 0xbb11ffebe4679b719c4dd09eb0db89f0d87ad5b31a18bb4f3ef293eea18ec378
2. 0x48d4f7815f45782ef8a93cd79f2e088a0e3f25a47c24cc5a29f5992e6de750bb
3. 0x6a0bc60970061f4e804d715d2058c1a5bbc50b13b99501a7207254651492f130
4. 0x23d40b1a164062db7e597e7558b811337f86fc3df3c8ea2ba3a40ce8e94a931c
5. 0xdc35997089e89d3660331e03352c952db454bfda5d254622cf777ccbb5a316e2
6. 0x50e2ddd2ecc0753c3901a157d76f9ac508a309da265ed8e4f8ae3da6ac798bfc
7. 0xf1f4956ebfa77696a616a491cdbf21f142933c0ded6e340d97a4def2bb9b1a6a
8. 0x2e2bc3a8036519a02b4427d2e926cbff37375a7c94488c19598cf63e5ad2c817
9. 0x22444e4d089764a478246f89c496810be09311afa6152572f89dfe312da1275a
10. 0xbbf3df285df107bc6d23113e17ba608e37c06a462442c3ce0cb68ef99c1b93ed
11. 0x3fb72458caef297ea68c38bca67cb133fc0b7a147169bf4acee831078d4e0c12
12. 0x9f30cd684272f5492f71fbb9c973b9c7e8be8833d5ebcd4e235b89ebf080cc91
13. 0x2e3af79e569e22a770a061aed37789a38fa8f77d55a49fabc9b98ec41109db25
14. 0x8185eeafe9adefad89b2d62fb2c2a6beb3fde0409e51deb7d5c1a3c4cb40d65a
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0