Evidence row 521671

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "WOOKANG TECH company facts: phone, address, hours, business registration no., service area, licenses held (credentials, not track record), warranty and A/S hours, document links. Read-only.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "get_company_info"
    },
    {
      "description": "LED display (LED 전광판) price range in KRW for a given size: min–max, VAT included, installation extra. Same numbers as the wooktech.co.kr price calculator. result=\"staff_quote\" means no amount — quote nothing. Read-only.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "height_m": {
            "description": "Screen height in meters (세로, m). e.g. 1.44",
            "maximum": 30,
            "minimum": 0.2,
            "type": "number"
          },
          "place": {
            "description": "indoor(실내: 강당·로비·실내 무대) or outdoor(옥외: 건물 밖·정문·옥상). If omitted or unclear, the server guesses from what_where (default indoor) and returns place_hint.",
            "maxLength": 40,
            "type": "string"
          },
          "what_where": {
            "description": "Optional: what to show and where, in the user's words (e.g. \"학교 정문, 행사 안내\"). Used to prefill quote_url.",
            "maxLength": 200,
            "type": "string"
          },
          "width_m": {
            "description": "Screen width in meters (가로, m). e.g. 3.2",
            "maximum": 30,
            "minimum": 0.2,
            "type": "number"
          }
        },
        "required": [
          "width_m",
          "height_m"
        ],
        "type": "object"
      },
      "name": "get_price_range"
    },
    {
      "description": "Search WOOKANG TECH answers about LED displays in Korea: budget, 수의계약, outdoor-sign permit (옥외광고물 허가·신고), warranty/하자보증, PC content control, choosing a vendor, size, pitch, power. Returns question, answer, source page. Read-only.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "cat": {
            "description": "Optional category key",
            "enum": [
              "price",
              "install-cost",
              "size",
              "pitch",
              "environment",
              "power",
              "lifespan",
              "maintenance",
              "trouble",
              "as",
              "procurement",
              "permit",
              "schedule",
              "structure",
              "compare",
              "company",
              "region",
              "facility",
              "content",
              "banner"
            ],
            "type": "string"
          },
          "limit": {
            "description": "Max results (default 5)",
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "q": {
            "description": "Question in the user's words, Korean or English. e.g. \"하자보증 기간\"",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "search_faq"
    },
    {
      "description": "Send a call-back request to WOOKANG TECH; staff call within 1 business day. Call only after the user gives a real phone number and explicit consent (consent=true). Write action. 문의를 넣기 전에 반드시 사용자에게 \"우강테크가 전화 상담을 위해 이 전화번호를 쓰는 것\"에 동의하는지 묻고, 동의한 경우에만 consent:true 로 보낸다. 동의 없이 보내면 400 으로 거절된다.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "agent_name": {
            "description": "Name of the AI assistant submitting (e.g. \"ChatGPT\", \"Claude\")",
            "maxLength": 60,
            "type": "string"
          },
          "consent": {
            "const": true,
            "description": "true only if the user explicitly agreed to be called back on this number (개인정보 수집·이용 동의).",
            "type": "boolean"
          },
          "height_m": {
            "description": "Height in meters if known",
            "maximum": 30,
            "minimum": 0.2,
            "type": "number"
          },
          "org": {
            "description": "Organization / shop name if the user gave one",
            "maxLength": 100,
            "type": "string"
          },
          "phone": {
            "description": "User's Korean phone number, mobile preferred (e.g. 010-1234-5678). Landline with area code also accepted.",
            "maxLength": 20,
            "minLength": 9,
            "type": "string"
          },
          "place": {
            "description": "indoor or outdoor if known",
            "enum": [
              "indoor",
              "outdoor"
            ],
            "type": "string"
          },
          "what_where": {
            "description": "What to display and where, in the user's words (무엇을 어디에). e.g. \"학교 정문, 행사 안내\"",
            "maxLength": 500,
            "type": "string"
          },
          "width_m": {
            "description": "Width in meters if known",
            "maximum": 30,
            "minimum": 0.2,
            "type": "number"
          }
        },
        "required": [
          "phone",
          "consent"
        ],
        "type": "object"
      },
      "name": "submit_inquiry"
    }
  ]
}

What the leaf hashes

{"body":"2cb06a560ee13b5544e871f4af9fef5d0ee223f341518925cd4ddcc8c439a276","id":521671,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793123377236200,"prev":null,"subject":"9754490b-bd9c-4d34-b4fe-b68c18e8d630","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. 0x08ad6c04ec62b8d51e1658558ddb3ac44d0346dd09aeb8d60bad1a27f30ced0a
2. 0x713c5747fe8cb5cd6986169cdd791fe12724687e0736d14bbb57200567141e1b
3. 0xa6d4b7040b2fd368bd7f3983eb8df46bd090daf75a334a911ca8ba66a47d1ef6
4. 0x9bb99edea09b8595e2e8372e4426f30151e911a266da2e3c71d316c160672491
5. 0x2a7ec4fcfc09d9abb4455d617d7fe0e0db717de57a33f34f0dd9bce5000748ae
6. 0xdbd1fb489c3593b27afe60778177bf56ea27dbbab099030e63318f55f05a08ed
7. 0x96e76a9536947874987285e509091c05ca10c9c32d1f1b3b168557b3bb0b7208
8. 0xe14fa200589c6a6102c21f7f92f0edd63ea88405e5229d7bd0ff86bea8bcae96
9. 0x33ea352b32e2caed58a66b5d160daffbcabd2d35cf0f5bf2a00c1f13dcdf1f61
10. 0x9b0ee21fb0dd4ea92822e278c74c3eb75e4e9befde7e8b9320eae9afc29fc065
11. 0x32ff11116925d4f6cb886f2b10aaee347411638da7594e1a01520f7289fefe5e
12. 0x032ecda033bf8a986e559148b1dda067c67bf4dee01f0000782b450c72286406
13. 0x74ffd6144e8464591ea30392b981f197426cfd361178829fb8a66915e2f727b0
14. 0x3e0ec8a2a8a954695a9b53a4a48a7656d7e3fd6a8795c73b49e2ef05b201ec3f
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4