Evidence row 258371

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "域名历史：RDAP 注册事件 × Wayback 分段/空窗/换主结论。2 credits",
      "inputSchema": {
        "properties": {
          "domain": {
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "domain_timeline"
    },
    {
      "description": "查我的 credits 余额（免费）",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_usage"
    },
    {
      "description": "新词脉搏：最新账本期的首现新词数（免费端点）",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "ledger_pulse"
    },
    {
      "description": "词账本查询：按类型(新词|二次爆火|长期大词|存量)/方向(AI|游戏|工具)/站群匹配过滤。1 credit",
      "inputSchema": {
        "properties": {
          "direction": {
            "enum": [
              "AI",
              "游戏",
              "工具"
            ],
            "type": "string"
          },
          "limit": {
            "default": 30,
            "type": "number"
          },
          "site": {
            "description": "站群匹配（如 voicememotext）——该词该进你哪个站",
            "type": "string"
          },
          "type": {
            "enum": [
              "新词",
              "二次爆火",
              "长期大词",
              "存量"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "ledger_words"
    },
    {
      "description": "SERP 前十构成打分（proxy-kd，0-100+判定）。喂入 [{url,domain?}]。1 credit",
      "inputSchema": {
        "properties": {
          "keyword": {
            "type": "string"
          },
          "results": {
            "items": {
              "type": "object"
            },
            "type": "array"
          }
        },
        "required": [
          "results"
        ],
        "type": "object"
      },
      "name": "proxy_kd_score"
    },
    {
      "description": "HN 新站发现（free=免费托管子域/custom=自有域名）。1 credit",
      "inputSchema": {
        "properties": {
          "hosting": {
            "enum": [
              "free",
              "custom",
              "all"
            ],
            "type": "string"
          },
          "limit": {
            "default": 30,
            "type": "number"
          },
          "min_points": {
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "site_radar_latest"
    },
    {
      "description": "Stripe 官方引荐月榜（跑通闭环的新玩家信号）。1 credit",
      "inputSchema": {
        "properties": {
          "month": {
            "pattern": "^\\d{6}$",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "stripe_leaderboard"
    },
    {
      "description": "谷歌趋势上升词（Breakout 优先，读采集缓存）。2 credits",
      "inputSchema": {
        "properties": {
          "keyword": {
            "maxLength": 120,
            "type": "string"
          }
        },
        "required": [
          "keyword"
        ],
        "type": "object"
      },
      "name": "trends_rising"
    }
  ]
}

What the leaf hashes

{"body":"178a1cec0e39459e9a19a3ba80ad8243b00e862fb3cdfb364824b11aef92b9f2","id":258371,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793030095938734,"prev":null,"subject":"47612101-24ce-4ef1-84ac-2cf44275515e","subject_kind":"endpoint"}

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. 0x6e840450184793ce9cbbcc5ad205791a78c31011891f9f8e5b29b8169d2f26bc
2. 0x5df11177ccfa6e58e91368055f893886bd4c74ff97eb9667b6949027dc241332
3. 0x5736fa37c626f5c03014e7771eefa2ce11c3cf3409348339632630a127dd8bbf
4. 0x7419f177b6c4a6e8f2c88ee3e3e889f0d027736ee893c4401444757f33f66b73
5. 0x606dc85a86d9e4c8cf1c6ccf2c37e9edbf5f4d9f1bd8a84c44b05a47cecf9311
6. 0x65935d466bfc4760fb68eaebbd3531f7de8cdebcd9da0cecb7a5eb39a749a2e4
7. 0xdfafeac14d3b8ccc7b832f0ee84be4d71e30bddf65bc523fa878d29c247b5ed7
8. 0xf7e14d55bf19f3dfdc8de6b8940b232768da8b20060e578a1a392054cc5d993f
9. 0x027bacb03f66fd117cebcfa0c93fcbed349f8cd34d7ca4b62a1550f1b51d83c1
10. 0xaee08b0a7fe6600aebc470a11e9a419553ea293db9d18d86b66fe6794f3e5b55
11. 0x3167834b22bda59442a4af0440d698d3a42612c3d6ce4e293e0fa97975320c38
12. 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae