Evidence row 552148

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "1台のデバイスについて、AI接続性と自律度の判定根拠、接続口(API/SDK/MCP/ハック)、必要なひと手間、出典と確認日、関連する接続ガイドを返す。slug は search_devices の結果から取る。",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "slug": {
            "description": "デバイスの slug(例: switchbot-hub-2)",
            "pattern": "^[a-z0-9-]{1,80}$",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_device"
    },
    {
      "description": "AI接続性(AI-0〜AI-5)と自律度(1〜3)の判定基準を返す。数値の意味を説明するときに使う。",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_rating_criteria"
    },
    {
      "description": "機種別の接続ガイド・組み合わせレシピ・コラムの一覧(タイトル・概要・URL)を新しい順に返す。",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "category": {
            "description": "guide=接続ガイド / recipe=レシピ / column=コラム",
            "enum": [
              "guide",
              "recipe",
              "column"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_guides"
    },
    {
      "description": "ロボ図鑑の収録デバイスを検索する。語句(製品名・ブランド・概要の部分一致)、カテゴリ、AI接続性の下限、接続口の種類で絞り込める。条件を省くと全件をAI接続性の高い順に返す。",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "category": {
            "description": "カテゴリ",
            "enum": [
              "smart-home",
              "vacuum",
              "3d-printer",
              "drone",
              "camera",
              "robot-arm",
              "mobile-robot",
              "agriculture",
              "security",
              "other"
            ],
            "type": "string"
          },
          "interface_type": {
            "description": "この種類の接続口を持つデバイスに限る",
            "enum": [
              "cloud-api",
              "local-api",
              "sdk",
              "mcp-official",
              "mcp-community",
              "hack"
            ],
            "type": "string"
          },
          "limit": {
            "default": 20,
            "description": "最大件数(1〜50)",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "min_ai_rating": {
            "description": "AI接続性の下限(0〜5)",
            "maximum": 5,
            "minimum": 0,
            "type": "integer"
          },
          "query": {
            "description": "製品名・ブランド・概要に含まれる語句(例: SwitchBot, Tapo, ROS2)",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_devices"
    }
  ]
}

What the leaf hashes

{"body":"6251a4cbf1c039f09710e547acf564b0047118993470542b37b05201bcdc975c","id":552148,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793133564383813,"prev":null,"subject":"6ade20aa-6f49-4eb7-9dd4-fe330e763e83","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x4266f638c4375cae67f4ad7e9c366d5e27f739c3ea4f25cf2f57bdcc8d985e22
2. 0x2bcc518ad815c0b2cb7a539563ded68885c43debb243d89b4dd54e491929758d
3. 0xfc313bd0db14ab066d96b0893f912a408fc593cd91868a2c47381d9cfad11756
4. 0x980af60a2764c7000957410dec3eb774c06dd5f7839ee10f6d336a3512e31860
5. 0xf4bc00c120d9a16df973116269ef0232a53c62f69c9febd94df9215130d8b122
6. 0x75ecd2cf628390d6daf0f89d0aa786ebd89dec5acf0b52ba4caaf4e94faf3a06
7. 0x0cb6f3f6bf77d28a3a3dc4bb2ccae941d0dcd417d6f7dd7880de37e469c629f7
8. 0x5bdef6b6261ef2aab729bf82cc2f63e18bdd474b5561d581b63979edcc0e075d
9. 0x974ac82da9427d59b0d01cf200146361dad6f805d2469c312a71a9af89b472f1
10. 0x78b251d669b352b039d8a8fe3f8f2225795af189202ef7d7076eec47144953e9
11. 0xfd91625eaaf9a70c689df6148f05bf46a5b16da2b57967e1e74462f5e514be57
12. 0xc897d71d9632ce913abe93619ab42cfbeb45fae1da80e2533fb77a3b950138a9
13. 0x4b4a1e815a33d351cc45dfa35f97aef5faf461590a54756a40dc36a0bbabf04b
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4