Evidence row 303260

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "The full markdown of one published case study, by slug.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "slug": {
            "description": "The slug from list_case_studies.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_case_study"
    },
    {
      "description": "How to reach Ryan Lindsey, and his working timezone.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_contact"
    },
    {
      "description": "The full markdown of one published post, by slug.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "slug": {
            "description": "The slug from list_writing.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_post"
    },
    {
      "description": "Ryan Lindsey's résumé: JSON Resume data, the published markdown document, or a short prose summary.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "format": {
            "default": "json",
            "description": "json = JSON Resume schema; markdown = the published document; summary = a short prose read.",
            "enum": [
              "json",
              "markdown",
              "summary"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_resume"
    },
    {
      "description": "Published case studies with their metadata and citation URLs.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_case_studies"
    },
    {
      "description": "Published posts with their descriptions and citation URLs.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_writing"
    },
    {
      "description": "Explains the private access tier and how to request a scoped token.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "request_private_access"
    },
    {
      "description": "Semantic search across the published posts, case studies and résumé. Each result is a passage, the URL it is published at, and an \"exact\" flag saying whether the excerpt is the passage that matched.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "limit": {
            "default": 5,
            "description": "How many passages to return. Defaults to 5.",
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "What to look for, in natural language.",
            "maxLength": 500,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_writing"
    }
  ]
}

What the leaf hashes

{"body":"797de3efb512fdd81ced3d5d262291b1fa5cce3a87953cdb828df0358f5f644e","id":303260,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793055256226884,"prev":null,"subject":"5f7b00ae-6a73-4a2f-994d-7bbc25892005","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. 0xf99dec7bac0d87c41706adfce5d44f3f87a1285eef593ed7f044e72cd203e5bb
2. 0x247d638b6d4c31d66880b4d2ee3ae98e498c585ecdbbe7ba59d312a1516120f8
3. 0x6c2822cc368322c3f4237093c7213e930c0d4f12e28e44817354292515a0cdcb
4. 0x6df68f7cef9dc94528e68446a3e626a0a9a439c43de4f25b8c4bd5999287c76f
5. 0xe31cbe28a33beb38b0f417042566d542132d6e654362d410751767ad85cf3ff5
6. 0x6a87c7414d76d0ed05d347c434b62d59d32759e9d5feef136c533b71546c3ad1
7. 0xa90c33d273b4568805bd79c94a4744895f26eb8db75ea0a2a0df179e6ad1c44d
8. 0xa0f11ce8c9ef39d8be8752666ed3fbdbc1a0e6a3da0f048a503895203eb49b91
9. 0x04fe9c57fc07321446ca0265950ced1e44e5de527f191fb06d86595452e8947b
10. 0x85210340e2640f36393a2bdeeec5e5efdaeac321e157ec624c11a1fb0537912e
11. 0xacf2bf89327756cda11b6915c35395a33fba4f7cdd91adfd8c5f45018f6ddfe8
12. 0x08d20884523152a869ac5da32efc7de7b28316f6e9c2a28242f5ea9da742852f
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae