Evidence row 258529

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "取航通社单篇文章全文 markdown（含 front matter、正文与发布日期标注）。",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "或直接给 _posts 文件名（如 2026-09-18-ai-duan-pian-da-sai-xian.md）",
            "type": "string"
          },
          "url": {
            "description": "文章页 URL（list_articles/search_articles 结果中的 url）",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_article"
    },
    {
      "description": "取「每日 AIGC 早报」单期全文 markdown（同日重发不覆盖，以每日首次同步版本为准）。",
      "inputSchema": {
        "properties": {
          "date": {
            "description": "日期，支持 2026-09-28 / 2026.9.28 等写法",
            "type": "string"
          }
        },
        "required": [
          "date"
        ],
        "type": "object"
      },
      "name": "get_daily_issue"
    },
    {
      "description": "分页浏览航通社全站文章（按发布时间倒序）。支持按分类、标签、年份、关键词过滤。不返回正文。",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "按分类过滤，如 AI、科技、传媒",
            "type": "string"
          },
          "page": {
            "description": "页码，默认 1",
            "type": "number"
          },
          "page_size": {
            "description": "每页条数，默认 20，最大 100",
            "type": "number"
          },
          "q": {
            "description": "标题/摘要包含的关键词（粗过滤）",
            "type": "string"
          },
          "tag": {
            "description": "按标签过滤，如 featured",
            "type": "string"
          },
          "year": {
            "description": "按年份过滤，如 2026",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_articles"
    },
    {
      "description": "分页浏览「每日 AIGC 早报」期号（按日期倒序）。支持按年份与日期区间过滤。",
      "inputSchema": {
        "properties": {
          "date_from": {
            "description": "起始日期 2026-09-01",
            "type": "string"
          },
          "date_to": {
            "description": "截止日期 2026-09-28",
            "type": "string"
          },
          "page": {
            "description": "页码，默认 1",
            "type": "number"
          },
          "page_size": {
            "description": "每页条数，默认 20，最大 100",
            "type": "number"
          },
          "year": {
            "description": "按年份过滤，如 2026",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_daily_issues"
    },
    {
      "description": "关键词搜索航通社全站文章（标题加权、标签/分类次之、摘要兜底），返回命中列表与评分。",
      "inputSchema": {
        "properties": {
          "limit": {
            "description": "返回条数上限，默认 10，最大 30",
            "type": "number"
          },
          "query": {
            "description": "关键词，可空格分隔多词",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_articles"
    },
    {
      "description": "航通社（lishuhang.me，书航的博客）站点概览：文章与早报总数、最新内容、全部 agent 入口。首次接触本站时调用。",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "site_overview"
    }
  ]
}

What the leaf hashes

{"body":"c91a01cc443e0821af6b27ab99d6ef60a85beb8991af23c76b58ad0c46928c1a","id":258529,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793030216972269,"prev":null,"subject":"fc27f52a-42d9-41ec-9c32-130caba09d82","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. 0xe34d0be458723a18fb49fd1493e8a51bbcd0868caf9d68e1d46ef4312dee075d
2. 0x90bce66f93b5b19053fa431740eb7f91eb8ab1fb2b44c877ad7d2db739e9c7b0
3. 0x867e3a417433a9250080fc456c6cd5745230b6bd2341dc8188d2bffe51c5a99d
4. 0xbe8c6478452d1afaa70019959ea9da45004f14d5d54dfa9c0bd555591f17725b
5. 0x192632f2db48adec9ae9dd30f25efc8f01f92c167812dde12d7567ea77bd1d70
6. 0xdc04e07d44d2eec7aa9603da7b4f31ec14656153ec0e8e44bf87dc3fd6b1a5e9
7. 0x94c5ed26e25b5154f764a5b080551bee42dbcf9367db1c9101784b5f83c352c6
8. 0x07ec84e1934da207fd0d951d13d9d9c8c51f2380ef0fb0036d4288262c996af2
9. 0x36d8bacd2c79197358e1bd6d4ab712e5271c8a222b6f14605cbc9d5f2df416f6
10. 0x524cdad3ff21631a037fd9cf4afb42f4fe79c72ee7a2da0b514327762fb35ecc
11. 0xb545b804be0d2933a674be6ac915c6c6235897d0274e66143aa7cf879b9d86a3
12. 0x8e135936797442c4eea61915f2c9f8f6df06e1322204cd0e6986ada3e54c77cc
13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae