Evidence row 567413

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "The full content (markdown) of one article by slug.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "lang": {
            "default": "en",
            "description": "Content language (all content exists in both en and ro)",
            "enum": [
              "ro",
              "en"
            ],
            "type": "string"
          },
          "slug": {
            "description": "Slug from portfolio_list_blog_posts",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "portfolio_get_blog_post"
    },
    {
      "description": "Who Marian Matinca is: career history (roles at Weco-Travel Romania), certifications and the measurable results of his projects. Same data as shown on mmatinca.eu.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "lang": {
            "default": "en",
            "description": "Content language (all content exists in both en and ro)",
            "enum": [
              "ro",
              "en"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "portfolio_get_profile"
    },
    {
      "description": "One project by id: the problem it solves, the outcome, the long description (markdown, with relevant links — live site, GitHub where open source) and the list of technical details.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Id from portfolio_list_projects, e.g. \"digital-compass\"",
            "type": "string"
          },
          "lang": {
            "default": "en",
            "description": "Content language (all content exists in both en and ro)",
            "enum": [
              "ro",
              "en"
            ],
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "portfolio_get_project"
    },
    {
      "description": "Articles published on the mmatinca.eu blog (enterprise AI adoption, automation, lessons from practice), newest first: slug, title, excerpt, date.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "lang": {
            "default": "en",
            "description": "Content language (all content exists in both en and ro)",
            "enum": [
              "ro",
              "en"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "portfolio_list_blog_posts"
    },
    {
      "description": "All projects by Marian Matinca (AI Adoption Lead, Bucharest): id, title, category, one-line result, tags, live site. Call portfolio_get_project with {id} for full details.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "lang": {
            "default": "en",
            "description": "Content language (all content exists in both en and ro)",
            "enum": [
              "ro",
              "en"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "portfolio_list_projects"
    },
    {
      "description": "Single entry point: full-text search across projects, blog articles, experience, certifications and measurable results. Returns typed hits with a snippet and a URL; follow up with portfolio_get_project / portfolio_get_blog_post for full content.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "lang": {
            "default": "en",
            "description": "Content language (all content exists in both en and ro)",
            "enum": [
              "ro",
              "en"
            ],
            "type": "string"
          },
          "limit": {
            "default": 5,
            "description": "Maximum number of results",
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Search terms, e.g. \"AI compliance projects\"",
            "minLength": 2,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "portfolio_search"
    }
  ]
}

What the leaf hashes

{"body":"54bc22588201e3e62c84cc88d535becb671e1697531969fc486d340aecd801aa","id":567413,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138725539455,"prev":null,"subject":"a8db7061-172d-4a4f-8c0f-a4a21df2a446","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. 0x660f3de6a68444127eb085e43ed5548fd6bc3539da3e8cda367577a6771ff6ec
2. 0xffd799739b3abbdc19ef7f0415118929d64cecea6b6ecfd9bb40ced9a694752f
3. 0x5d164fd3814c442c218661a4d5b0e74aa61147a8ff2ed3d4a80bd87a461495a2
4. 0x720481c016c53268fc3cef94212f6dc90ce6f8882735bceacb2e8573bdb5aca5
5. 0xb6e593142466e90f819fbef85e3b8c8138a3e0abb98d4328c0c7aaa92f00d6e9
6. 0x60f24401eeafeab9a361ecd24fdc78151acc4c0751531b4555196f96aedac8c4
7. 0x5ca72ccd74f6e18863414e3178e261eae359b6143f62bd337c27763bc9846eeb
8. 0x24c55d466cce83c1e0430e5ae8411322afb4a0262d12c3f32ccd1447af0a5a78
9. 0x3233c14b531d210df838ccd0675bc3bb08c2a9ffe2b0e2a3c8762b0931892c40
10. 0xa7cbb8858264e8d035c4c8c9f44bacf605dcf936e96a132ec2b57cf640e1d117
11. 0x2790beb45139410d982bf832095cfc669288d124f5200d2bdd191f14d8df7e4e
12. 0xfc80c3ec28002b5abbe969b82c8409cc3216ef75df720eab92db371621f671d9
13. 0x4c257542b0421f909cc313308d9054fb29b4b46d9dca1b83169d04797233fda2
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4