Evidence row 72834

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://crypto-market-data.zafermemon87.workers.dev/mcp"
    ]
  ],
  "name": "crypto-market-data.zafermemon87.workers.dev/mcp",
  "owner_address": "0xa41015022322640f03a895bc439da80ddfd73954",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa41015022322640f03a895bc439da80ddfd73954",
        "scheme": "exact"
      }
    ],
    "description": "Live prices with 5-minute, 1-hour, 4-hour and 24-hour change and 24-hour volume for the top 50 crypto coins, refreshed every minute. Costs USD 0.003 per call, paid with x402 (USDC on Base); calls that fail are not charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "description": "Live prices with 5-minute, 1-hour, 4-hour and 24-hour change and 24-hour volume for the top 50 crypto coins, refreshed every minute. Costs USD 0.003 per call, paid with x402 (USDC on Base); calls that fail are not charged.",
            "example": {
              "tokens": "BTC,ETH"
            },
            "inputSchema": {
              "properties": {
                "tokens": {
                  "description": "Comma-separated tickers, e.g. BTC,ETH,SOL (up to 50). Empty means all top 50.",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "toolName": "prices",
            "transport": "streamable-http",
            "type": "mcp"
          },
          "output": {
            "example": {
              "as_of": "2026-10-23T20:03:00+05:30",
              "charged": true,
              "data_age_s": 60,
              "engine": "data-1.0",
              "note": "Public market data, refreshed every minute. Not financial advice.",
              "plain": "2 coins. Biggest 1-hour move: BTC -0.3%.",
              "price_usd": null,
              "rows": [
                {
                  "change_1h_pct": -0.32,
                  "change_24h_pct": -0.35,
                  "change_4h_pct": -0.24,
                  "change_5m_pct": 0.2,
                  "price": 81538,
                  "rank": 1,
                  "token": "BTC",
                  "volume_24h_usd": 1073687475
                },
                {
                  "change_1h_pct": -0.25,
                  "change_24h_pct": -0.34,
                  "change_4h_pct": -0.11,
                  "change_5m_pct": 0.31,
                  "price": 2398.77,
                  "rank": 2,
                  "token": "ETH",
                  "volume_24h_usd": 740411768
                }
              ],
              "snapshot_seal": "eb08dce6d854951431a0fb2732282227e1d954ec072422c9bfc5bee2f3ed695f",
              "tool": "prices"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "description": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                },
                "inputSchema": {
                  "type": "object"
                },
                "toolName": {
                  "type": "string"
                },
                "transport": {
                  "enum": [
                    "streamable-http"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "mcp",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "toolName",
                "inputSchema"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-24T04:11:43.019Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-24T04:11:42.644Z"
    },
    "resource": "https://crypto-market-data.zafermemon87.workers.dev/mcp#prices#prices",
    "type": "mcp",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live prices with 5-minute, 1-hour, 4-hour and 24-hour change and 24-hour volume for the top 50 crypto coins, refreshed every minute. Costs USD 0.003 per call, paid with x402 (USDC on Base); calls that fail are not charged."
}

What the leaf hashes

{"body":"10aba410abf6ecbe3aa1259929422088048e0e16805c49f21624eda0bb5cd2c1","id":72834,"kind":"listing","method":"baseline/1","observed_us":1793025486529032,"prev":null,"subject":"x402_bazaar:https://crypto-market-data.zafermemon87.workers.dev/mcp#prices#prices","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. 0x2b970fac6b208b969ad352810e48e0c795763870d42175a5f17800fbbca0f444
2. 0x9d50bcebf4490e2738a419cd080723a8cc9546a3203e42673de71fa4d1e7c04f
3. 0xe02707c206701ca1e3df57491ac8ed551122d5f04df1439ade485d07a277d757
4. 0x667936fe0a53cf3b7e0e5c1658040f57f15269d474a1f01d9d906d678af9de1d
5. 0x6bbc2cf3587549ca66cb1369e4c89a3a8ad47782ec726a0c30354ebec058d178
6. 0x0b378757f81b3b802cba642b6d15559e50408932b0b3babb9d9587126fc04826
7. 0xbb7c8eed4f4fccc50337837182fca6534f0d3e9bb1e4eb7e48d45e4fef181908
8. 0x06a4f5e215952ef997348fc8a030009d1605904571f9e741cb6415af8afa25d0
9. 0x3a6ecefaa8fcbb3b2cdae229fc6f4c6315d2d9b9754b649cc06f960700c2f727
10. 0x755e8bb86bef8a205359ea18e6bb499124975e318b315b74b91ac3dddeb77d5e
11. 0xde76827525517f5c8aef4ffd7831eab09ee63757dcc2282bc64307fd6ee67ad1
12. 0xe8bf822fd6c66b233e3e13e08596e8fb41c1ed9b85be0e4d50cfc9b740c0e206
13. 0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae