Evidence row 258258

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Get the full Markdown body of a specific blog article by slug.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "Article slug, e.g. mcp-server-security-top-10-vulnerabilities-2026",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_article"
    },
    {
      "description": "List all blog articles with slug, title, description, date, tags, and reading time.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "tag": {
            "description": "Filter by tag (optional)",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_articles"
    },
    {
      "description": "Full-text search across article titles, descriptions, tags, and bodies. Returns matching articles with a relevance score.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "query": {
            "description": "Search terms",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_articles"
    }
  ]
}

What the leaf hashes

{"body":"f069eb821769f6ebacf6d4c3f0a2184ca357439025abcf4c3db7ce85fa2d13e2","id":258258,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793030020749173,"prev":null,"subject":"7bf99c49-ef0c-4c69-90da-52b09d512365","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. 0xd718c8464faae3519c0aed2cf2ca28d53db3a238f0761707491c0447957a62d0
2. 0x9a2a5de446f64d8909d40523249bb5f0dfa43eb16120052731edba6a75ea02d9
3. 0x387875e92fde75eba455570a7b9c0a887d8254a14583b3df24d20cdbd2e8f470
4. 0xc6dab9593083eb5dfbdbe36374fb962fd7bd74d55b6b9873a14a30dd487bac43
5. 0x09c5400667eaa0789d326e968098573ff61b7af2cd4bf622698bba608a150238
6. 0xd1dd17ab8e653a8fb95c5e2cb3ed3160e5546f9a95daf2765779df107cf65778
7. 0xec4ed55b7e7f1a4b284e97f54795573c1eab412386b9fe2bc8988a189e866fd1
8. 0x85f32b8c80ecec577c7f38a41ec36abbd9ccf7e0af1e318f3f863ca77902d6dc
9. 0x6a821e804f58fbab35dd58effefb1c77533f5327dcdf2a295bb991ecd4473953
10. 0x206287918135573a87e376ef5dd28f3e452e64e037a8e2c8a8f5db3f0e0e7d4c
11. 0x681ef979e2591e4ee00c2230855c75508aa926b1abc5e4e5e6a9348a15261045
12. 0x39d84ffb833c94bfff15760ea7da987f5303e407884de386d5a33b2328c7d785
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae