Evidence row 2091304

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "claim the one-time free first Solo month for your first server (the POST /trial/claim operation; Bearer token required; EIP-191 proof required — first call the REST POST /trial/challenge, sign the returned message with your registered wallet, then pass nonce + signature here, exactly as REST)",
      "inputSchema": {
        "properties": {
          "apply_shims": {
            "type": "boolean"
          },
          "check": {
            "type": "object"
          },
          "clients": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "full_matrix": {
            "type": "boolean"
          },
          "idp_shape": {
            "enum": [
              "dcr_friendly",
              "cognito_like",
              "strict_loopback"
            ],
            "type": "string"
          },
          "nonce": {
            "description": "single-use nonce from POST /trial/challenge",
            "type": "string"
          },
          "server_config": {
            "type": "object"
          },
          "server_name": {
            "type": "string"
          },
          "signature": {
            "description": "EIP-191 personal_sign signature of the challenge message by the claimed wallet",
            "type": "string"
          },
          "wallet": {
            "description": "optional; must equal the account's registered payer wallet",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "claim_trial"
    },
    {
      "description": "run one full client x IdP-shape conformance matrix (the POST /check operation; x402 $0.01 per check unless your account has an active Solo subscription/trial, metered exactly as REST)",
      "inputSchema": {
        "properties": {
          "apply_shims": {
            "type": "boolean"
          },
          "clients": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "full_matrix": {
            "type": "boolean"
          },
          "idp_shape": {
            "enum": [
              "dcr_friendly",
              "cognito_like",
              "strict_loopback"
            ],
            "type": "string"
          },
          "server_config": {
            "type": "object"
          }
        },
        "type": "object"
      },
      "name": "conformance_check"
    },
    {
      "description": "list only your own account's past matrix runs (the GET /history operation; Bearer token required)",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "run_history"
    },
    {
      "description": "activate/extend a subscription via x402 X-PAYMENT header (the POST /subscribe operation; Bearer token required): Solo $9/mo per server by default, or Fleet $29/mo for up to 10 servers with tier=fleet (WO-F-P22-17/RT-20 — the tier parameter is advertised here exactly as in the REST OpenAPI). The embedded check shape (server_config / idp_shape / full_matrix / clients / apply_shims / check) is accepted and stored for hourly re-runs, exactly as REST.",
      "inputSchema": {
        "properties": {
          "apply_shims": {
            "type": "boolean"
          },
          "check": {
            "type": "object"
          },
          "clients": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "full_matrix": {
            "type": "boolean"
          },
          "idp_shape": {
            "enum": [
              "dcr_friendly",
              "cognito_like",
              "strict_loopback"
            ],
            "type": "string"
          },
          "server_config": {
            "type": "object"
          },
          "server_name": {
            "type": "string"
          },
          "servers": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "tier": {
            "enum": [
              "solo",
              "fleet"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "subscribe_solo"
    },
    {
      "description": "your account's subscription status (the GET /subscription operation; Bearer token required)",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "subscription_status"
    }
  ]
}

What the leaf hashes

{"body":"d7d55cb5c64722fbb95b71ea3a41ec76d10327304427a25cf91169d25cc5bb57","id":2091304,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793607572799512,"prev":1776909,"subject":"e88f2fce-d841-4af5-b2a0-d0911b0481a3","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xc4148f3fa7a604ae57d92250edfbc4cdfc169075fe10e00ba9ccce25e62c6909
2. 0x604fff70665a90f9cc39b3f340d2dab2d1d50c46e2ac04b3b707ddf606344dcc
3. 0x68ca9ab86d983944cefefc5bf1e39d025a25055d0403fa4015ec46c6c1956654
4. 0x0f87ae70ea4acfdc6fed073892a7bd2c8e71f5f491998fe3e5c30d56f9fab1dc
5. 0xc18fef7d6680b31815174533cbaac59f8fe8abe51af1916cdc7a4823f2d6240f
6. 0xc10e60a8b38e0741045690fe02749a4279726a205b023d81c75f9edc68197c07
7. 0x9069e23dfda8e3e103bce2c17d4b4a25b7ff3bfac2ed948a1ccd71613fc034c9
8. 0xec8159390ca67f297d4b446b35802e10006b03a69563d9e8ddb998aa608ebdf6
9. 0xe2808ddcdebdbc187ed9d6bc9d6014acfdccb8b5de7968e8ce941d9dbf494479
10. 0x28a538e50eb01f299f8bff933f4e0a459a8a2361ef9a815ba0e57478388e8e82
11. 0x6c721ad6d4bdfbed1536a71cbae39160ab188c4ecc438306357e9d6779174ad2
12. 0xe48e5215fb157d5670abc594c0a51b4c0fb5dc5d14ae1acb3119d3200fb933b5
13. 0x61ee210f299fdcda2ea75817592c9621ccbd35e0e4358cb705a10dd284df07af
14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af