Evidence row 568479

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Compare the top AI services in one secondary category on Korean UI, KRW pricing, starting price and trial conditions. Up to 10 services.\n2차 분류 하나의 상위 서비스를 한국어·원화·시작가·체험 조건으로 비교합니다.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "Secondary category slug (see list_categories)",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "sort": {
            "default": "korean",
            "description": "korean = Korean suitability first",
            "enum": [
              "korean",
              "popular",
              "pricing"
            ],
            "type": "string"
          }
        },
        "required": [
          "category"
        ],
        "type": "object"
      },
      "name": "compare_category"
    },
    {
      "description": "Find alternatives to an AI service within the same category, ranked by a public rule-based score (not ads or user ratings). Up to 5 results.\n같은 분야의 대안 서비스를 찾습니다(규칙 기반, 광고·평점 미반영).",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "key": {
            "description": "Service key from search results",
            "maxLength": 200,
            "type": "string"
          },
          "korean_ui_only": {
            "default": false,
            "description": "Only alternatives whose Korean UI was verified",
            "type": "boolean"
          },
          "limit": {
            "default": 5,
            "maximum": 5,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "key"
        ],
        "type": "object"
      },
      "name": "find_alternatives"
    },
    {
      "description": "Get details of one AI service: Korean description, verified Korean support and trial conditions with plain-language evidence, pricing, platforms, login methods and links. Pass the `key` from search results or the service's official URL.\n서비스 하나의 상세 정보(국문 설명, 한국어·체험 실측 근거, 가격, 링크)를 돌려줍니다.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "key": {
            "description": "Service key from search results, e.g. 'notion.so'",
            "maxLength": 200,
            "type": "string"
          },
          "url": {
            "description": "Official site URL, used when the key is unknown",
            "maxLength": 300,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_ai_service"
    },
    {
      "description": "List AIFinder categories (slug, Korean name, number of listed services). Use the slugs for the `category` argument of other tools.\n분류 slug·한국어 이름·서비스 수 목록입니다. 다른 도구의 category 값으로 씁니다.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "parent": {
            "description": "Primary category slug to list only its subcategories",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "Search AI services listed on AIFinder, a Korean AI-tool directory whose Korean-language support, KRW pricing, Korean business registration and free-trial conditions are verified on each official site. Accepts natural-language Korean or English queries and filters. Returns up to 10 services per call with measurement dates and AIFinder links.\nAIFinder 에 수록된 AI 서비스를 검색합니다. 한국어 화면·원화·국내 사업자·체험 조건 실측값으로 거를 수 있습니다.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "Primary or secondary category slug (see list_categories). Korean category names are also accepted.",
            "type": "string"
          },
          "korean": {
            "description": "ui = Korean UI verified, krw = KRW prices, kr = Korean business, native = made in Korea",
            "enum": [
              "ui",
              "krw",
              "kr",
              "native"
            ],
            "type": "string"
          },
          "limit": {
            "default": 5,
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "page": {
            "default": 1,
            "maximum": 3,
            "minimum": 1,
            "type": "integer"
          },
          "platform": {
            "enum": [
              "web",
              "ios",
              "android",
              "desktop",
              "api",
              "extension",
              "cli",
              "mcp"
            ],
            "type": "string"
          },
          "pricing": {
            "enum": [
              "free",
              "freemium",
              "paid",
              "open_source",
              "contact"
            ],
            "type": "string"
          },
          "query": {
            "description": "Keywords or a sentence, e.g. '회의록 요약', 'meeting notes'. Omit to browse by filters only.",
            "maxLength": 200,
            "type": "string"
          },
          "sort": {
            "default": "popular",
            "description": "popular = most visited on AIFinder, attention = web popularity within category, recent = newly listed",
            "enum": [
              "popular",
              "attention",
              "recent"
            ],
            "type": "string"
          },
          "try": {
            "description": "instant = usable without sign-up, free = free to start, nocard = no card required, demo = demo available",
            "enum": [
              "instant",
              "free",
              "nocard",
              "demo"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_ai_services"
    }
  ]
}

What the leaf hashes

{"body":"962aa75d4b07e58c0c58199bf771d7d546d3b4aca56644fc84bbbfe0663e995c","id":568479,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139027814185,"prev":null,"subject":"505e31ae-8ff8-4fa6-bea9-fa85fbfcf53b","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. 0x11dc1d26b8414e90b369dcdad66d139f6f67a8adfdca024b4eac6ddeb83e9409
2. 0x7ebe72f828b41fc99b142ce4183b72056f7c50e2f43ffc46ae38c200a063590b
3. 0x7aa997273ba52adc187150532bdd58638eb624805b333d1663b9fd2b892aa343
4. 0x4e0673d44bcf3e55955cf285168f74c368f013557492833acbd79be17550c3b2
5. 0x8ca8378a83d82247f1d6d183e03e6d86eba5c1bf4e548d2a818c2f5aeb58a241
6. 0x523414bdcca03487ef32e8579a1fa9eb36567ea668a1af294c10bc8e4815d937
7. 0xf6452bd51dab98f497e759e6c3cac60c2e1e40646c7fdd4318d08430c6ae4335
8. 0xabbc8c7559f04cd327aba7f1be46063d5a3b77ccee75687804172f87dcdfb443
9. 0x843a679c57e2fc78b54209379b5ef6428d445f73512549477557392fb8ede828
10. 0x6e22fb765b966c541e3468b59dfec36ffffbd46a95455fe13a6af28e98f383a2
11. 0x1cbfc3174d380856d91d5d8671de3295675aa53e10c03d319a246544c0421064
12. 0x7578555e40efa7fabcea1fc203440565253b358954d398ba44e9e10d228eb3b9
13. 0xedf6ab3c3733ce137d888d3e5f7006ba77ab04b8f1fe576519f7b056959665ee
14. 0x52c5141da0cbee106a30396ee7d1360fd22f55084aca2ca436c8007892775670
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4