Evidence row 65603

Observed 26 Oct 2026, 14:37 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://api.chainmarket-api.workers.dev/api/finance/mexc-tickers
Recorded: 26 Oct 2026, 14:37 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 9c816b3d44b6909ee50f40cc39bc9f5186f174504e8c4d5fb2942c6100f88474
Leaf: 0x5436a230bd733fdfdaf711a66150ab9c55978ec7fe3034f01fe2f26e2c56392c

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.chainmarket-api.workers.dev/api/finance/mexc-tickers"
    ]
  ],
  "name": "SiteCheck Crypto & Finance",
  "owner_address": "0xb8491f953e6860d3b5840b73c60883ff099ceafa",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J8vnmBx4pS1X7UUBTfz1yWBKiw69Dj2yRGRHDaXBRdhR",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:5042",
        "payTo": "0xa4751fCAa83c9669cfe507bb6807507729839be3",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x79A02482A880bCE3F13e09Da970dC34db4CD24d1",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:480",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GBIX2M7HNL2G2VYU5KZ446OSN55ZWHS3WBEUP4JTLS6R34VXIGTDOAFI",
        "scheme": "exact"
      },
      {
        "amount": "0.002",
        "asset": "524C555344000000000000000000000000000000",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "c07aa9d2-fc08-433f-bbef-18449a2a169a",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      },
      {
        "amount": "1549",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "935b3359-0356-4237-931a-a6b7e3ae51f5",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      }
    ],
    "description": "MEXC spot last price for one pair (e.g. BTCUSDT), from MEXC's public ticker endpoint. Last price only; no order book or history.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "symbol": "BTCUSDT"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "checkedAt": "2026-10-23T09:36:13.884Z",
              "price": 81616.27,
              "source": "https://api.mexc.com/api/v3/ticker/price",
              "symbol": "BTCUSDT"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "symbol": {
                      "description": "MEXC spot pair, e.g. BTCUSDT",
                      "type": "string"
                    }
                  },
                  "required": [
                    "symbol"
                  ],
                  "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": "2026-10-25T11:05:42.107Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T11:05:41.557Z"
    },
    "resource": "https://api.chainmarket-api.workers.dev/api/finance/mexc-tickers",
    "serviceName": "SiteCheck Crypto & Finance",
    "tags": [
      "finance",
      "mexc",
      "tickers"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "MEXC spot last price for one pair (e.g. BTCUSDT), from MEXC's public ticker endpoint. Last price only; no order book or history."
}

What the leaf hashes

{"body":"9c816b3d44b6909ee50f40cc39bc9f5186f174504e8c4d5fb2942c6100f88474","id":65603,"kind":"listing","method":"baseline/1","observed_us":1793025458699667,"prev":null,"subject":"x402_bazaar:https://api.chainmarket-api.workers.dev/api/finance/mexc-tickers","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).

0x5436c573aceddbe5e91facbc9e3152a014bd304c8aa0f386546e75a596485beb
0xbc682744f9152a9dd20ec08a3f6a804c8b68ea1756fe855388d79e7a975d5337
0x7ab3b8eabcc88a105b659ee6245c3216ced73ef18ed537234e7f248dc04f5460
0xf13cba520bd299fd660df7bd06bebdfb56878794854353b8cfabde98392ed3f9
0xe840233711fd506f83907955c7f6bb89a8171d21d3a1ee512ae46aa04566c82f
0x013aac99dc9dc433de6cf267862908f242a486499598a0090481f5325f572875
0x0fd94dcf5bea518cbcb839aba8c158129b0885a7ed916c04ee877db45d690485
0x0b38222ef6cdb87ace762836edd6c5ce4e905be4c60135d199fb0b285a532947
0x40581d4b92f98d03f4d30c02fe130618ca6e557f88c320ec8e64c0093ec35134
0xbe52a1de9424037e1e4260713fa281437aa5a001a2cf6c6f46bcd832ee5770bd
0xec824c3c9c635c0935294afc42b42d41176d63a67e608b45abf49b05e262e664
0x774d66905c34a786c6d34bf1c4491dbdb08f534c9eb5f76cf3de03385d28f388
0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON