Evidence row 383567

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Get details of one vacancy by its Finder id (from search_vacancies). For Russia pass country=\"ru\" (ids from finder.work): title, employer, city, salary,\ndescription (up to 1500 chars) and the finder.work page url where the user can apply.",
      "inputSchema": {
        "properties": {
          "country": {
            "default": "",
            "description": "Pass 'ru' for Russian (finder.work) vacancies; leave empty for other countries",
            "title": "Country",
            "type": "string"
          },
          "id": {
            "description": "Vacancy id from search_vacancies results",
            "title": "Id",
            "type": "integer"
          }
        },
        "required": [
          "id"
        ],
        "title": "get_vacancyArguments",
        "type": "object"
      },
      "name": "get_vacancy"
    },
    {
      "description": "List countries supported by Finder with their ISO code and site url.",
      "inputSchema": {
        "properties": {},
        "title": "list_countriesArguments",
        "type": "object"
      },
      "name": "list_countries"
    },
    {
      "description": "Salary statistics (25th/50th/75th percentile, sample size) from active vacancies on Finder.\ncountry: ISO code; profession: name in local language (e.g. 'Бухгалтер', 'Programmierer'); empty = all jobs;\ncity optional. Returns the matching Finder salary page url when available.",
      "inputSchema": {
        "properties": {
          "city": {
            "default": "",
            "description": "Optional city name as written locally",
            "title": "City",
            "type": "string"
          },
          "country": {
            "description": "Country ISO code: ru (Russia, finder.work), by, kz, kg, de, fr, be, ch, se, id",
            "title": "Country",
            "type": "string"
          },
          "profession": {
            "default": "",
            "description": "Profession in local language, e.g. 'Бухгалтер', 'Programmierer'. Empty = all jobs",
            "title": "Profession",
            "type": "string"
          }
        },
        "required": [
          "country"
        ],
        "title": "salary_statsArguments",
        "type": "object"
      },
      "name": "salary_stats"
    },
    {
      "description": "Search active job vacancies on Finder. country: ISO code (ru, by, kz, kg, de, fr, be, ch, se, id; ru = finder.work, Russia).\nquery: job title / keywords in any language (e.g. 'бухгалтер', 'python developer'). city: city name as written\nlocally (e.g. 'Минск', 'Алматы', 'Berlin'). Returns up to `limit` (≤20) newest matches with links to finder.work.",
      "inputSchema": {
        "properties": {
          "city": {
            "default": "",
            "description": "City name as written locally, e.g. 'Минск', 'Алматы', 'Berlin'. Empty = whole country",
            "title": "City",
            "type": "string"
          },
          "country": {
            "description": "Country ISO code: ru (Russia, finder.work), by, kz, kg, de, fr, be, ch, se, id",
            "title": "Country",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "description": "Max results, 1-20 (default 10)",
            "title": "Limit",
            "type": "integer"
          },
          "query": {
            "default": "",
            "description": "Job title or keywords in any language, e.g. 'бухгалтер', 'python developer'. Empty = newest vacancies",
            "title": "Query",
            "type": "string"
          }
        },
        "required": [
          "country"
        ],
        "title": "search_vacanciesArguments",
        "type": "object"
      },
      "name": "search_vacancies"
    }
  ]
}

What the leaf hashes

{"body":"6d3eb791c02b34885982bae24f57ee0b99915a45173f5eb9c8bed9455030e2d7","id":383567,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793060037082488,"prev":null,"subject":"29459254-d2f4-445a-96d4-dcf9574806cd","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. 0xfebd24cd97464f61f2fc82e3ecb7d95057aada049140a42f333ef340bcf0b29b
2. 0x9fc380307b855b53861daaa6657a1f4b47435d2fe0e2d33590bef2073b5f918b
3. 0xa97bd94ef2c3b155c5b4559a26a588dfd1baa850cd74c456451c2cbccaa83540
4. 0x6de4e77acd16fe72c410fdbb6c7dfa13e31c7d98891688bfc13558f9d399112e
5. 0x4d5ef338a08991415c8ab1b544c27d976629f00f073ccda800de1003d46ff604
6. 0x3e4adaa7d73c030ce959f4aa5d1052b224c5bdc9b2ca5eba57b0f71444b9a93a
7. 0xe942416024fe21a4b50552a65c72d775fc56716dfd83dd21f79a58f20abc7689
8. 0x233ff927dd7d11bbcd84928574777c85a008d82492922869026aa4d82148826d
9. 0xf8aca400b727983eb397f062eb8d9bb8e20a2e7cfadf3b3594196ccbbca9e4df
10. 0xf179e4d2b4d92ba70a88e4e0c878d2992c4f8b914d33d3817a4b8a43200735ac
11. 0x2e46f3f4a54c5bd4593fdcffcdac06f2162a9caae3cbf2922131682671bb12a1
12. 0x405c03a710a7150f5182f236dbd76258bf856f8cdf3ac954821ac082524f65da
13. 0x56e872147e60f01cdcee33340b018a7ad7be91ec5b5daef0d2c629c3ca13cbd8
14. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4