Evidence row 565445

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Full recipe for one use case id: source credit, what they did, result as claimed, every named tool, cost note, setup time, difficulty, step-by-step setup and a copyable setup prompt for Claude Code, Codex or Grok Bot.",
      "inputSchema": {
        "properties": {
          "id": {
            "description": "Use case id from search_use_cases, latest_use_cases or use_cases_by_tool.",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_use_case"
    },
    {
      "description": "Recently sourced use cases (by source publish date), newest first. Use to browse what builders shipped this week.",
      "inputSchema": {
        "properties": {
          "days": {
            "default": 7,
            "maximum": 90,
            "minimum": 1,
            "type": "integer"
          },
          "limit": {
            "default": 20,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "latest_use_cases"
    },
    {
      "description": "List the 8 KitRank categories with ids, blurbs and use-case counts. Call this before filtering search_use_cases by category.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "Search KitRank for real, sourced AI agent use cases people actually shipped. Prefer concrete goals people type into Google: \"faceless youtube shorts\", \"cancel subscriptions with AI\", \"google ads dashboard\", \"meeting notes to CRM\", \"claude code mac voice\". Returns title, summary, tools, cost badge, setup time, difficulty, verification and source URL.",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "Optional category id from list_categories.",
            "enum": [
              "creators-video",
              "vibe-coding",
              "automation",
              "research",
              "personal",
              "money",
              "marketing",
              "dev-ops"
            ],
            "type": "string"
          },
          "limit": {
            "default": 8,
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Goal, tool name, or topic the user is trying to accomplish.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_use_cases"
    },
    {
      "description": "List use cases that name a specific consumer tool (claude-code, n8n, cursor, elevenlabs, remotion aliases, etc.). Useful when the user already picked a stack.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 10,
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "tool": {
            "description": "Tool id or common name, e.g. claude-code, n8n, Cursor, Claude Code.",
            "type": "string"
          }
        },
        "required": [
          "tool"
        ],
        "type": "object"
      },
      "name": "use_cases_by_tool"
    }
  ]
}

What the leaf hashes

{"body":"5d69c47e9dd86228e749286ba53920e2e2daa18687de5195998ddf0efac71a2a","id":565445,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138159171644,"prev":null,"subject":"ad2ba11d-3528-44db-9278-f91dd660d321","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. 0x37b307b000c88d1fc1c1564e4d8895af3e3e7d47a1e47734d9fe7b372a194c2e
2. 0xfb3e5573eeb6f6f158e8af3ad98062b1a2378e7f0fc490fe32cb3a82ae63aa92
3. 0xcd32c35da08cebb46bc17bd8df3b8ae736d7672bf77450a099c266b8456711a0
4. 0xcfd20aecfc4d72eee0c651a0431bffa5e0e553730105df6dae433bd46a06bc5e
5. 0x348864e6c96b4e6ffa797b6d4966ab1468f665090fd88d0266c1b9730a64f321
6. 0x1976ecfd2f3d72e06c39425975b6a1d48f31b67a1004fb925710c672994e3dfb
7. 0xe95261b5db1b95e6d6c591180f7ffd407e1516bb0724b85a29579c45f76ff7ae
8. 0xf73c333ce3340d83cc0e891e0339f927612737bbbcd29228243a6166b40fb9af
9. 0x94a91fcd05d4e8571c9812659f5ff788300a00c146fe3d7312e8f006007787ea
10. 0xe04da64f3dbf61273891d2946fa9de2fb84d9fe322a117347aef900b03c57875
11. 0x160b9e0a5f6c26ccb98c1f74a04e70c445fda00b5550757fe51e4055a32c3e7f
12. 0xdb9db1a3e6d5dbf0cebe03506aac88a6794bcc4c262bb265cd126434710b66f9
13. 0x5a6a2d80130a2a2e783e8f8096057d594b53c7bc148344100f2c40afa809745f
14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4