Evidence row 1505378

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "List available public World Bank indicators and Election.org civic research collections/charts. No personal notebooks, opinions, feedback, voice or account data.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "read_public_catalog"
    },
    {
      "description": "Read existing public Election.org collections or a catalog chart. Preserve citations, methodology, coverage and dates. Does not read private participants, political profiles or user conversations.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "chart": {
            "enum": [
              "us-voter-turnout-rate-1964-2024",
              "reported-voters-in-america-1964-2024",
              "us-voting-age-population-1964-2024",
              "estimated-registered-voters-in-america-1966-2024",
              "registered-but-did-not-vote-1966-2024",
              "presidential-election-voter-turnout-1964-2024",
              "midterm-election-voter-turnout-1966-2022",
              "presidential-vs-midterm-voter-turnout-1964-2024",
              "us-voter-registration-rate-1968-2024",
              "voter-turnout-by-race-and-ethnicity-1980-2024",
              "gender-voter-turnout-gap-1964-2024",
              "state-voter-turnout-ranking-2024",
              "democrat-republican-independent-identification-1988-2025",
              "party-identification-with-leaners-1991-2025",
              "american-political-ideology-1992-2025",
              "party-identification-by-generation-2025",
              "house-party-balance-1917-2025",
              "senate-party-balance-1917-2025",
              "congressional-majority-margin-1917-2025",
              "women-in-congress-1917-2025",
              "women-in-congress-by-party-1917-2025",
              "women-share-of-congress-1917-2025",
              "women-share-house-vs-senate-1917-2025",
              "federal-candidate-filing-records-by-state-2026",
              "federal-candidate-receipts-by-state-2026",
              "current-state-legislative-roles-by-state",
              "current-state-legislator-party-composition",
              "us-local-government-types-2025",
              "us-house-election-margin-distribution-2022",
              "states-with-most-close-us-house-races-2022"
            ],
            "type": "string"
          },
          "district": {
            "maxLength": 2,
            "pattern": "^\\d{1,2}$",
            "type": "string"
          },
          "office": {
            "enum": [
              "H",
              "S",
              "P"
            ],
            "type": "string"
          },
          "query": {
            "maxLength": 100,
            "type": "string"
          },
          "resource": {
            "enum": [
              "charts",
              "elections",
              "election-rules",
              "office-guides",
              "authority-topics",
              "offices",
              "people",
              "candidates",
              "results"
            ],
            "type": "string"
          },
          "state": {
            "maxLength": 2,
            "pattern": "^[A-Z]{2}$",
            "type": "string"
          },
          "year": {
            "maxLength": 4,
            "pattern": "^(19|20)\\d{2}$",
            "type": "string"
          }
        },
        "required": [
          "resource"
        ],
        "type": "object"
      },
      "name": "read_public_civic_records"
    },
    {
      "description": "Read sourced World Bank indicator observations with units, notes, update dates and missing values. Compare at most two three-letter country codes. Never substitute estimated chart points.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "compare": {
            "maxLength": 3,
            "pattern": "^[A-Z]{3}$",
            "type": "string"
          },
          "country": {
            "maxLength": 3,
            "pattern": "^[A-Z]{3}$",
            "type": "string"
          },
          "metric": {
            "enum": [
              "population",
              "urban",
              "unemployment",
              "life_expectancy",
              "internet",
              "renewable_electricity"
            ],
            "type": "string"
          }
        },
        "required": [
          "metric",
          "country"
        ],
        "type": "object"
      },
      "name": "read_public_indicator"
    }
  ]
}

What the leaf hashes

{"body":"00941fcc52727f4f1b46142d21bf22fa31f61c09faf8431c770f2429b7f088ae","id":1505378,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793472355449022,"prev":null,"subject":"23dd04a2-224a-43e1-88fd-8bfed897245a","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xb2b29e40f879e43709613d329ea44cb7e20bcb999ef425a57c09231b84ae8cb4
2. 0xcc4adbd73c2fcae4784adbe8a6ea355f19abe3626b0ef2eedda890748a419bbe
3. 0x4903455eb5d795aff93354bdc931d4fb39e05c51e073a24f3e97a93a655cf5f1
4. 0x56730a412da66229bd899fbbfc586c2af53efbd1a4243ac0b3ff116788a4fb74
5. 0xedc330cde31f0d5eeaa6e01b6128af18ebe6dcfa967fc8f8dc55ac713b1400c0
6. 0xb96a41364ef0a11787429dc42068b3b2c4f1828656d0a47a36d719d72c224bd3
7. 0x880a909d182d63e9f7d1d4840dd20a2557ea46b1940d64ed0d5a7969d8815644
8. 0xa9de16af5bc258026c69a3779077b3b6a270627c18b0ded0c22b5705f719ba3e
9. 0xd171caa862895462b855ac8ee74147466cfa601855e4893aa30591c95825cc90
10. 0x3e33a796f22b48876daa3d0887de153e16d62cef8e95285a322447da4b1c71be
11. 0x2d3d5a3a9e470b1df6a1bff3880777c94c30e8e3a3884417149a2533c9ef2454
12. 0x5ae0a7b65cc56319c356f6c30697c26127f3d1e7e67bb05a5e0fbc4d103968fd
13. 0xc3ddb373f637398d9ec8fb5c1463a1261a97d1401cfa2b7e180df020e4d48003
14. 0x8185eeafe9adefad89b2d62fb2c2a6beb3fde0409e51deb7d5c1a3c4cb40d65a
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0