Evidence row 305678

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Whether ChatGPT, Claude, Gemini and Muse officially support a country (ISO 3166-1 alpha-2, e.g. US, HK, CN), from each company's published list.",
      "inputSchema": {
        "properties": {
          "country": {
            "type": "string"
          }
        },
        "required": [
          "country"
        ],
        "type": "object"
      },
      "name": "ai_availability"
    },
    {
      "description": "Judge an IPv4/IPv6 address: residential vs datacenter, purity score 0-100, risk-list hits, and whether ChatGPT, Claude, Gemini and Muse accept its region/type. Data: ipjudge.org.",
      "inputSchema": {
        "properties": {
          "ip": {
            "description": "IPv4 or IPv6 address",
            "type": "string"
          },
          "lang": {
            "default": "en",
            "enum": [
              "en",
              "zh"
            ],
            "type": "string"
          }
        },
        "required": [
          "ip"
        ],
        "type": "object"
      },
      "name": "check_ip"
    },
    {
      "description": "Judge the public IP this agent/server is calling from (its own network exit) — use it to check whether Claude / ChatGPT will accept the machine the agent runs on.",
      "inputSchema": {
        "properties": {
          "lang": {
            "default": "en",
            "enum": [
              "en",
              "zh"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "my_exit"
    },
    {
      "description": "Official live status (Statuspage) of Claude, OpenAI, Cursor, GitHub, Cloudflare and more, refreshed every 3 minutes.",
      "inputSchema": {
        "properties": {
          "service": {
            "description": "optional key, e.g. claude, openai",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "service_status"
    }
  ]
}

What the leaf hashes

{"body":"f04f86a22fa3d4ab9a2bae8bc9e3d2c1067522aaecca6215bdaa64c456b79902","id":305678,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056585482056,"prev":null,"subject":"3c0ae4a6-8531-4c56-82de-11f87ffaa370","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. 0x036f8f4a0136ef9af2788e2dad6c2f4d4a1fcb6a7072095299c661e0bfb525f7
2. 0xeecb7fe23f36d61629c689ee0c72112f4b55d6948ccd2c1b08c94683e321fa29
3. 0x33e1d3c19b49ccbd851f4869ad15e55b25615c1adef39e028e0f0405266b0b58
4. 0xb3fba79ff713da0b01ba497bc0e24eb9e5ea2f893f76aa8ab1f257d2dc56ce38
5. 0x136af0b8d6168f95bb8908463d52423b845c808ef6c85ce0eaeb627d7592a9bf
6. 0xc1b6a3a25d49f2f3cdf2a659efe3abce17736d07a28acf30a8eebb9b66d67dfb
7. 0x3bad33c87bd8249564e4b02c179ad00c9701b9dec380a9dc96b41a78d121b8bc
8. 0x1cd7ba5b93b74a79a74130bd3c49d4afc60dc366d6533e0f36e813674e9a7efe
9. 0xeceb26d8aaea7d66ee2c55e530235102292a9f81ab75e7cb11e0b2eb838c8131
10. 0x7eb88a3b9eed96824d9e196c7f83cd784e15460aa54a9a4dc628a19fb1c77aa6
11. 0x4e18f6df894eff467396bfe85f6d6b90f40522629a1dd7517152c38e1c70e111
12. 0xd75ede2689ed83bbc8980becaf4f32a77c7e05567790cd351e997bb28aa0844c
13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae