Evidence row 1497607

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Retrieve published 2026 federal campaign receipts, spending, cash, debts, linked committees and separately labeled outside-spending totals for an FEC candidate ID. Returns reporting periods, sources and coverage limits. Campaign balances are not a candidate's personal net worth. Contributions do not establish influence or wrongdoing. Missing financial summaries remain null.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "candidate_id": {
            "description": "Public FEC candidate identifier, as returned by search_candidates, e.g. H8CA28054.",
            "pattern": "^[HSP][0-9A-Z]{8}$",
            "type": "string"
          }
        },
        "required": [
          "candidate_id"
        ],
        "type": "object"
      },
      "name": "get_campaign_finance"
    },
    {
      "description": "Return the published 2026 federal general election date and congressional primary/runoff schedule, optionally filtered to a state's public election jurisdiction. Source dates and tentative/changeable status are included. Does not include every local election, registration deadline or polling location; confirm actionable dates with the state's election authority.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "state": {
            "description": "Two-letter state or territory code of the public records being researched, not the user's location.",
            "pattern": "^[A-Za-z]{2}$",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_election_calendar"
    },
    {
      "description": "Retrieve source-backed U.S. House and Senate results for an explicitly requested year. The archive currently covers 2016, 2018, 2020, 2022 and 2024. Other years return an unsupported-year error, never substituted historical results. Includes votes, sources, record links and calculation caveats. Not live returns, projections or presidential results.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "candidate": {
            "maxLength": 120,
            "minLength": 2,
            "type": "string"
          },
          "district": {
            "maxLength": 30,
            "minLength": 1,
            "type": "string"
          },
          "limit": {
            "default": 5,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "office": {
            "enum": [
              "H",
              "S"
            ],
            "type": "string"
          },
          "state": {
            "description": "Two-letter state or territory code of the public records being researched, not the user's location.",
            "pattern": "^[A-Za-z]{2}$",
            "type": "string"
          },
          "year": {
            "maximum": 2100,
            "minimum": 1900,
            "type": "integer"
          }
        },
        "required": [
          "year"
        ],
        "type": "object"
      },
      "name": "get_election_results"
    },
    {
      "description": "Search Election.org's 2026 FEC candidate filings by public name or FEC ID, state, office, or district. Returns party, filing status, available campaign totals, source dates and record links. FEC records stay in data.records. A separately sourced data.state_authority_records list currently adds Mississippi federal qualifying entries, including candidates with no matched FEC ID. Check both collections; neither proves final ballot certification or complete nationwide/local coverage. Do not request federal finance for a null FEC ID. Federal filings are ordered by reported receipts, not an endorsement. No party is excluded.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "district": {
            "pattern": "^\\d{1,2}$",
            "type": "string"
          },
          "limit": {
            "default": 5,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "office": {
            "enum": [
              "H",
              "S",
              "P"
            ],
            "type": "string"
          },
          "q": {
            "maxLength": 120,
            "minLength": 2,
            "type": "string"
          },
          "state": {
            "description": "Two-letter state or territory code of the public records being researched, not the user's location.",
            "pattern": "^[A-Za-z]{2}$",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_candidates"
    },
    {
      "description": "Search named cities, counties, school systems and special districts in Election.org's Census-based public-body directory. Returns source-backed institution records, available office contacts and enriched coverage, with record links. Similar names can refer to different jurisdictions. Directory inclusion does not establish current officials or exact service boundaries. Does not locate a user's home or provide private personal contacts.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 3,
            "maximum": 5,
            "minimum": 1,
            "type": "integer"
          },
          "q": {
            "description": "A distinctive partial institution name, e.g. Bethel Township Municipal. Search matches consecutive text; shorten the query if punctuation or parenthetical words cause no matches.",
            "maxLength": 100,
            "minLength": 2,
            "type": "string"
          },
          "state": {
            "description": "Two-letter state or territory code of the public records being researched, not the user's location.",
            "pattern": "^[A-Za-z]{2}$",
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "search_governments"
    },
    {
      "description": "Search permanent public offices and their sourced holders by official name, office title, or jurisdiction. Federal, state, executive and selected local coverage is included; local coverage is incomplete and source verification dates must be retained. Not an address-to-representative lookup. A missing holder is not proof of a vacancy.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "level": {
            "description": "State includes legislative and executive offices.",
            "enum": [
              "federal",
              "state",
              "local"
            ],
            "type": "string"
          },
          "limit": {
            "default": 5,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "q": {
            "maxLength": 120,
            "minLength": 2,
            "type": "string"
          },
          "state": {
            "description": "Two-letter state or territory code of the public records being researched, not the user's location.",
            "pattern": "^[A-Za-z]{2}$",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_offices"
    }
  ]
}

What the leaf hashes

{"body":"f5e469118a51245ed2afd07f31b08312242795ba2da13ffe42d398339543b8d2","id":1497607,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793464121783834,"prev":null,"subject":"203fd67a-52c1-4ac4-a300-d44a03e86ba2","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. 0xfc921e91a02e83739d001e9381856cf3aa1b182a8d175ea638361ac4325f2ef3
2. 0x36fea2d5d8265bacf8bda6567b8016d776c0dd4dd037911d2ad6c9a14e81db1e
3. 0x81d7a81b33269fd7968a82724a3709e3640874274611b9469bff776476b49bab
4. 0x552a89c297f33c8821c4331137d373c1e7c472da0b507c4bc13051919770b43c
5. 0x5eeb96f13c31ebdbea67702ffc16985108219665e30a8ddc4959c30c03b5a1cd
6. 0x3d01b4cfe6e9b7bb61aded580a429de0b1760ddbf750a355e685ab1e900d3d4c
7. 0x4858dabeac64d67f4a4289a9ab5abbc7fa7440773688006785ebf5fa25c1d37c
8. 0x976388a25c690c3c10a63357e884d979b063fd8a18976484c90f1e2eac47281d
9. 0x0a6b2844d6e9a4b72a14930011f74484641f2bc2348cfe443a6e19b0804116d3
10. 0x49ce61d1dfcbf5645dfb614fda21a527a61d5d0a6235a369d26b94f2a1f9a6e2
11. 0x218ed53467f0ee9bc3abb077b2522cbd47fae8469b2fdc2a102acfe81e83e14e
12. 0x375de592a0d98fa5e760f9df5f554fa88fad10d4436619193ddeb7a3453fe6ce
13. 0x5351bb459a6a771e5069a93e1e2e3827a67e432c5691b54849b4102bbcbf5577
14. 0xe2a6611300abdb7312e664a37fe7f1b470ff8ebe48733a7b7064c0db1f012dd5
15. 0xe9e97d8cdaf19b6da06606a22b4eea548063df6bacb661abea4c37aa637b5c3b
16. 0x4befbbd74452b2a3a89b7e1e809ba011f1be78aeb8153059503fda47c454d086
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0