Evidence row 515811

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Use when the user wants a domain name, is naming a business or project, or asks whether a domain is taken. Checks up to 20 full domain names (you can suggest variations and check them together) and returns whether each is available and its price.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "domains": {
            "description": "Full domain names, e.g. [\"getrapp.ai\", \"getrapp.com\"]",
            "items": {
              "type": "string"
            },
            "maxItems": 20,
            "type": "array"
          }
        },
        "required": [
          "domains"
        ],
        "type": "object"
      },
      "name": "check_domain"
    },
    {
      "description": "Use when someone is naming a business, startup, product, brand, app, side hustle, shop, podcast or project. Brainstorm candidate names first, then check up to 8 at once: for each, which domains (.com, .co, .ai, .io, .app by default) are free with prices, and whether the GitHub name is free. Results are ranked, a free .com counts most. Suggest new candidates and check again if the best ones are taken.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "endings": {
            "description": "Optional domain endings to check, e.g. [\"com\", \"shop\"]",
            "items": {
              "type": "string"
            },
            "maxItems": 5,
            "type": "array"
          },
          "names": {
            "description": "Candidate names, e.g. [\"Rise and Crumb\", \"Northwind Bakery\"]",
            "items": {
              "type": "string"
            },
            "maxItems": 8,
            "type": "array"
          }
        },
        "required": [
          "names"
        ],
        "type": "object"
      },
      "name": "check_names"
    },
    {
      "description": "Use when the user wants to buy an available domain. Explains how to register it: AI agents pay per call; people ask us and we register it for them. Nothing is bought by this tool.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "domain": {
            "description": "The domain to register",
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "register_domain"
    },
    {
      "description": "Use when the person wants something none of these tools can do and says yes to passing the request on. Records only the request text they agree to send (no name or contact). Ask before calling it.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "request": {
            "description": "What they want, in a sentence, as they agreed to send it",
            "type": "string"
          }
        },
        "required": [
          "request"
        ],
        "type": "object"
      },
      "name": "request_service"
    }
  ]
}

What the leaf hashes

{"body":"303c9c2b9a4558b6e431cb734e58864561235803b9fd9cde17db30200742c1b9","id":515811,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793120263337389,"prev":null,"subject":"08423cc3-4e2e-4eae-acd4-e9e6f22ca145","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. 0xc83c819e22d6b1a96863c2290991277cc82cd6c87123df6d09efcb9b53b7d86b
2. 0x37ea9b6d19be4af7d6cb572e0b764db4acdef222050cc604f006a11be362cfd9
3. 0x100f7521abda66669db8e16e649c6fd9c4216e58f8fbb005d3e2a5da126ad466
4. 0x0355eba59b2c66bd87ec60c1910e114c7856c89ec4cca3b34cd7374f5adf3e32
5. 0x646d23e7bb49185d25f6dc9aadc843d81026d408df02507d23955a0cd49c6506
6. 0xd93fe300d1e7d97704baca77a3e44cb222412998901e468381a213fbf70310e9
7. 0x4dd38f3b94605d3c00f5bc4b8f7a9be429628a2f88f619ca57190638c09a788c
8. 0x74e508677679a4070c1ae68d081bf2e059437842720b87d137de7d199560bd26
9. 0x1e1c2d11c4bdb290ace435c237d234129af18ab138f5e8491471c62fbdac8993
10. 0xbfaf40e8c4f3a485ca887e2403dd98c5474d6af3e3f929d0f705767f8e82a946
11. 0x057a79dae7284d2b0542272663bf1bcad5f3c4a13e38a7fdd7392ad650b50c86
12. 0xd16d7e5f125e1d777c4add2d34626605aa2a6b03288469395f9c1f401de8e9e1
13. 0x938752e9acd199cd15f468392bc2dd8eefc52293e7144e30b87b241ca6b2513b
14. 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4