Evidence row 237219

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Explains what TauFunctions is and how to activate this MCP server (no API key on this session yet).",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "tau_get_started"
    },
    {
      "description": "Create a new TauFunctions tenant on the free plan (10 functions, 100 invocations/day). Returns a live API key immediately (shown once) and unlocks all TauFunctions tools in this session. No email or card required.",
      "inputSchema": {
        "properties": {
          "agent": {
            "description": "Name of the agent signing up (optional), e.g. \"claude-code\"",
            "type": "string"
          },
          "tenantId": {
            "description": "Tenant slug: 3-64 chars, lowercase alphanumeric + hyphens, e.g. \"my-project\"",
            "type": "string"
          }
        },
        "required": [
          "tenantId"
        ],
        "type": "object"
      },
      "name": "tau_signup"
    }
  ]
}

What the leaf hashes

{"body":"8730be5443f6f27454e6fa353a98e2f6819c5b3f6ce22e5d4fe7ce73af4aabf5","id":237219,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793029248058379,"prev":null,"subject":"cabc14b9-2b6e-4d90-a92d-3cfac9a5806e","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. 0xe5bd770ff3c1ad588cd153213bc2b395516a27b3f99c5db7398fd3026581bea1
2. 0x84373275d6022e782a027485af3b3f429cb080002040891e180abce7e281fd88
3. 0x22de4e2b17ba6662e4c04517d0e098c69e9467a53d9ad5c7864fd45162ecb6e3
4. 0x587858b38228b7657501fbb40c7c930d817c032cf1c2182338f7374e467e7414
5. 0x6a3002c6b4ea881a8215c55dd06f67424cb04cd2d3e12375bb12e1494375c7d0
6. 0x8803fffb9fe34a94cd068dcd4f8c52a692858339054da3bb6335f25a0ea8a87d
7. 0xfafd26a3ed1b153940346a0a474215c1c674b29796b23406bcadb0d005a65370
8. 0x331d672941fac5316dbaf557812c08cfca1f2503e4cf7fd653a1b7a2c2c33dc1
9. 0xf7b3c9a103586a2e800787fbf56873924ac3cb3ce7d24cd2aec0f5f48287e347
10. 0xcbd148ef9ef69a55476f415c8c65fbd198c86afa61a13e712804c482ee3c6193
11. 0x29ce97b519f8e4dff85ae3006efb1220983d391295891bc9cbd27db51c46ec37
12. 0x2fc38b57208d692aab1ee89b6e26917df292126314027c27360c5644a63fd0bc
13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae