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Evidence row 771802

Observed , by probe.mcp/1.

Kind
mcp.tools
About
endpoint 6597cff1-0e11-423e-beed-c2366a784d9b
Recorded
Previous row
#578016
Body SHA-256
ab01197310fe2d37cf2d8a1554b2b49a136b02674e3f49af372269b39a2f7e68
Leaf
0xbb47a59c62b77e9cf4baed4de3e5e84fb5914e46ebf806f093ce25449335bf06

What was observed

{
  "count": 12,
  "tools": [
    {
      "description": "按最新或指定日期汇率换算两种货币金额，货币用 ISO 三字母代码。Example: {\"amount\":100,\"from\":\"USD\",\"to\":\"CNY\"}",
      "inputSchema": {
        "examples": [
          {
            "amount": 100,
            "from": "USD",
            "to": "CNY"
          }
        ],
        "properties": {
          "amount": {
            "default": 1,
            "description": "金额，默认 1",
            "type": "number"
          },
          "date": {
            "default": "",
            "description": "历史日期 YYYY-MM-DD，留空取最新",
            "type": "string"
          },
          "from": {
            "description": "源货币代码，如 USD、CNY、JPY",
            "type": "string"
          },
          "to": {
            "description": "目标货币代码，如 CNY、EUR、HKD",
            "type": "string"
          }
        },
        "required": [
          "from",
          "to"
        ],
        "type": "object"
      },
      "name": "currency_convert"
    },
    {
      "description": "查询主要货币兑基准货币的实时汇率，返回主流币种汇率。Example: {\"base\":\"USD\"}",
      "inputSchema": {
        "examples": [
          {
            "base": "USD"
          }
        ],
        "properties": {
          "base": {
            "description": "基准货币代码，默认 USD，如 USD、CNY、EUR",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "exchange_rate"
    },
    {
      "description": "搜索 Hacker News 科技资讯与讨论，返回标题/链接/热度/评论数。Example: {\"query\":\"MCP\",\"hitsPerPage\":10}",
      "inputSchema": {
        "examples": [
          {
            "hitsPerPage": 10,
            "query": "MCP"
          }
        ],
        "properties": {
          "hitsPerPage": {
            "description": "返回条数，默认 10",
            "type": "number"
          },
          "query": {
            "description": "搜索关键词，如 AI agent、MCP",
            "type": "string"
          },
          "tags": {
            "description": "内容类型过滤，如 story、show_hn、ask_hn",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "hacker_news_search"
    },
    {
      "description": "查询中国法定节假日与调休安排：某天是否放假、节日名称。Example: {\"date\":\"2026-10-01\"}",
      "inputSchema": {
        "examples": [
          {
            "date": "2026-10-01"
          }
        ],
        "properties": {
          "date": {
            "default": "",
            "description": "日期 YYYY-MM-DD，留空为今天",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "holiday_cn"
    },
    {
      "description": "查询 IPv4 地址的地理位置与网络信息（国家/省市/运营商/时区），ip 留空查出口 IP。Example: {\"ip\":\"8.8.8.8\"}",
      "inputSchema": {
        "examples": [
          {
            "ip": "8.8.8.8"
          }
        ],
        "properties": {
          "ip": {
            "description": "IPv4 地址，如 8.8.8.8；留空查询当前出口 IP",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "ip_info"
    },
    {
      "description": "查询 IPv4 地址的归属地（国家/省市/运营商/时区），ip 留空查调用方出口 IP。Example: {\"ip\":\"8.8.8.8\"}",
      "inputSchema": {
        "examples": [
          {
            "ip": "8.8.8.8"
          }
        ],
        "properties": {
          "ip": {
            "default": "",
            "description": "IPv4 地址，如 8.8.8.8；留空查询调用方自身 IP",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "ip_locate"
    },
    {
      "description": "查询指定时区的当前日期时间，用于问现在几点、今天日期或某时区时间。Example: {\"timezone\":\"Asia/Shanghai\"}",
      "inputSchema": {
        "examples": [
          {
            "timezone": "Asia/Shanghai"
          }
        ],
        "properties": {
          "format": {
            "default": "iso",
            "description": "输出格式：iso（默认）或 human（中文可读）",
            "enum": [
              "iso",
              "human"
            ],
            "type": "string"
          },
          "timezone": {
            "default": "Asia/Shanghai",
            "description": "IANA 时区名（如 Asia/Shanghai）或中文城市名（如 东京），默认 Asia/Shanghai",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "time_now"
    },
    {
      "description": "管理待办事项清单：新增/查看/完成/删除/清空，数据按调用方隔离。Example: {\"action\":\"add\",\"title\":\"周五前提交周报\"}",
      "inputSchema": {
        "examples": [
          {
            "action": "add",
            "title": "周五前提交周报"
          }
        ],
        "properties": {
          "action": {
            "description": "操作：add 新增 / list 查看 / complete 完成 / delete 删除 / clear 清空已完成",
            "enum": [
              "add",
              "list",
              "complete",
              "delete",
              "clear"
            ],
            "type": "string"
          },
          "id": {
            "description": "待办 ID（complete/delete 时必填，list 结果中可见）",
            "type": "integer"
          },
          "include_done": {
            "default": true,
            "description": "list 时是否包含已完成，默认 true",
            "type": "boolean"
          },
          "list": {
            "default": "default",
            "description": "清单名，默认 default",
            "type": "string"
          },
          "title": {
            "description": "待办内容（add 时必填），如 周五前提交周报",
            "type": "string"
          }
        },
        "required": [
          "action"
        ],
        "type": "object"
      },
      "name": "todo_manage"
    },
    {
      "description": "在长度/重量/温度/体积/速度/面积/数据量单位间换算，单位支持中英文。Example: {\"value\":100,\"from\":\"km\",\"to\":\"mi\"}",
      "inputSchema": {
        "examples": [
          {
            "from": "km",
            "to": "mi",
            "value": 100
          }
        ],
        "properties": {
          "from": {
            "description": "源单位（中英文均可），如 km、公斤、°C、GB",
            "type": "string"
          },
          "to": {
            "description": "目标单位，如 mi、斤、°F、MB",
            "type": "string"
          },
          "value": {
            "description": "数值，如 100",
            "type": "number"
          }
        },
        "required": [
          "value",
          "from",
          "to"
        ],
        "type": "object"
      },
      "name": "unit_convert"
    },
    {
      "description": "查询指定城市的当前天气与未来数日预报（温度/天气现象/风力/湿度）。Example: {\"city\":\"北京\",\"days\":3}",
      "inputSchema": {
        "examples": [
          {
            "city": "北京",
            "days": 3
          }
        ],
        "properties": {
          "city": {
            "description": "城市名，如 北京、上海、深圳、Hangzhou",
            "type": "string"
          },
          "days": {
            "default": 1,
            "description": "预报天数 1-7，默认 1（仅当前天气）",
            "type": "integer"
          }
        },
        "required": [
          "city"
        ],
        "type": "object"
      },
      "name": "weather_query"
    },
    {
      "description": "抓取指定 URL 网页并提取正文纯文本（去脚本/样式/标签）。Example: {\"url\":\"https://example.com\",\"max_chars\":3000}",
      "inputSchema": {
        "examples": [
          {
            "max_chars": 3000,
            "url": "https://example.com"
          }
        ],
        "properties": {
          "max_chars": {
            "default": 3000,
            "description": "返回正文最大字符数，默认 3000，上限 10000",
            "type": "integer"
          },
          "url": {
            "description": "完整 URL（含 http:// 或 https://）",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "web_fetch"
    },
    {
      "description": "查询指定时区的当前日期时间、星期与夏令时状态。Example: {\"timezone\":\"Asia/Shanghai\"}",
      "inputSchema": {
        "examples": [
          {
            "timezone": "Asia/Shanghai"
          }
        ],
        "properties": {
          "timezone": {
            "description": "IANA 时区名，如 Asia/Shanghai、America/New_York、Europe/London",
            "type": "string"
          }
        },
        "required": [
          "timezone"
        ],
        "type": "object"
      },
      "name": "world_time"
    }
  ]
}

What the leaf hashes

{"body":"ab01197310fe2d37cf2d8a1554b2b49a136b02674e3f49af372269b39a2f7e68","id":771802,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793189826136048,"prev":578016,"subject":"6597cff1-0e11-423e-beed-c2366a784d9b","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).

  1. 0xbb477933b799b3498b9cee1ed0ca915ff6422e700796667a8c0fb2301595d46f
  2. 0x9ff88006ffb61f0f4dc4b670895b74de5b94fbab6ffab68231976b22d6867edf
  3. 0xa1c29a439d9532e5bdf78e2144469c03019f4aa1305db2bcf2ae5ff3428e6bba
  4. 0xc6aae02c733fc6d912c3c1f4706d2aa2d8e45109bc5ade16e71668b056a38d94
  5. 0x7181dbe21aa6d37042e2e1706a775950d593b9cb4465ff8a7713164d1eb2e778
  6. 0x5a5ce5fb16b7bc62d580fcd27f4808d1a180a513e9680f4298a4a4d5db228ff2
  7. 0x80c8b62fa9821c991e9a5b58e1c47f3571fcf375dcb29ad10688f41435fabf9a
  8. 0xbd80fc7ecd19dfd92795de666a32c9edb027796becde1f0b71a22add06cb08e0
  9. 0xe2c5b730f911de7e75b002e3d2f8bf0b8afdf07a1c2d30a9adc2b88fc96a9434
  10. 0xe5e4c18378357d6987f279d18d8decf54eb19b58dfb830805db225f5ac77660f
  11. 0xdc17d09d616964f6d4ff09478ef10d80d1749cd342c52a13a766eb0e24872a7d
  12. 0xa42249b090ae432aa9ec0f4e12cf99fad33a8413dd4f3af6b68755cb14247205
  13. 0x744c716c853a3362037fdca13f258e5f46e796ddc212d5fca6bed32d9a3b234a
  14. 0xbff5cb8c10a36d79ad312f3729888eb704e81907920e704f80c8e5b670139050
  15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
  16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
  17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
  18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af
Day root
0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
Chained
0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
Published
On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae

How to check it · This row as JSON