Evidence row 306058

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Get FEC campaign finance data for federal election candidates. Returns fundraising totals, cash on hand, and spending by office (President/Senate/House), state, or party.",
      "inputSchema": {
        "properties": {
          "election_year": {
            "default": "2026",
            "description": "Election cycle year (default: 2026)",
            "type": "string"
          },
          "limit": {
            "default": 20,
            "description": "Number of results (max 50)",
            "type": "number"
          },
          "name": {
            "description": "Candidate name search",
            "type": "string"
          },
          "office": {
            "description": "P=President, S=Senate, H=House",
            "type": "string"
          },
          "party": {
            "description": "DEM, REP, IND",
            "type": "string"
          },
          "state": {
            "description": "2-letter state code (TX, CA, NY)",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_fec_candidates"
    },
    {
      "description": "Get individual donor/contribution data for a candidate or committee from FEC Schedule A filings. Find who is funding campaigns.",
      "inputSchema": {
        "properties": {
          "candidate_id": {
            "description": "FEC candidate ID (e.g. P80001571)",
            "type": "string"
          },
          "committee_id": {
            "description": "FEC committee ID (e.g. C00703975)",
            "type": "string"
          },
          "election_year": {
            "default": "2026",
            "description": "Election cycle (default: 2026)",
            "type": "string"
          },
          "employer": {
            "description": "Donor employer to search (e.g. \"Google\", \"Goldman Sachs\")",
            "type": "string"
          },
          "limit": {
            "default": 20,
            "description": "Number of results",
            "type": "number"
          },
          "min_amount": {
            "description": "Minimum donation amount",
            "type": "number"
          },
          "state": {
            "description": "Donor state filter",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_fec_donors"
    },
    {
      "description": "Get campaign spending data. Type=independent for Super PAC / outside group spending for/against candidates. Type=expenditures for direct campaign spending.",
      "inputSchema": {
        "properties": {
          "candidate_id": {
            "description": "Filter by candidate ID",
            "type": "string"
          },
          "committee_id": {
            "description": "Committee ID (required for type=expenditures)",
            "type": "string"
          },
          "election_year": {
            "default": "2026",
            "description": "Election cycle (default: 2026)",
            "type": "string"
          },
          "limit": {
            "default": 20,
            "description": "Number of results",
            "type": "number"
          },
          "type": {
            "default": "independent",
            "description": "independent (Super PAC spending) or expenditures (campaign disbursements)",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_fec_spending"
    }
  ]
}

What the leaf hashes

{"body":"eaa24ad6c52a83bf825a4c41b91c53d20834dbb01fd36fcf8966ce47a9e9892d","id":306058,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056792659388,"prev":null,"subject":"97f73909-212d-4e31-b035-6ed36d6d5ab6","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. 0xb8bdb43c7aa7bc44bde4091cba5ca2264994f67cd9a0246b807aa93c096ecaaa
2. 0xa67cfcc893edac0c47d3acd9c9bd19a08200a09ae66904ee7039ce26fdb8e6b2
3. 0xc7c8429e02c12b826ddcc03620279710880b9d1644119f3b4cb6630eb7831cdf
4. 0xb175022c9df9e24f21ae6972f3391e94eafa74ca7d3c55a88214686d9bae8877
5. 0x22cd8605e46cda3cde8567347a7353f6133288f520054f08c117df1f26c35956
6. 0xef8b1eeff5c0da9d5d01c3ccc7ebecc2ad19e4f701cbb08d5141d16f75fffb4d
7. 0xba3d423fd8cb120c91dad6d27030ea385e14164a545929bb3d0f07c49b8477df
8. 0x3bb49657ba9f9874d29731256da0cb43dc3a56093998f316a5a1c44770aa9e94
9. 0x3e22965437ad0de1b511721c0d328319e39da6fec796fed49f0bbfb4d3539221
10. 0x258835beede438ebebc963b639363480e6d4ea3839ccb62aeaaad82cefc2fe04
11. 0xcf50b54d8921f0c22877e0b8d6b8393a1954218f000f7cac374e9f40a024f700
12. 0xb6efd79902cac6d5a402ebecb8069402f00961ab80cd71b4d647fbc686d975ec
13. 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae