Evidence row 266726

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Current UK (2026-27) rates and thresholds, verified against gov.uk with source URLs and verification dates. Categories: income-tax, national-insurance, minimum-wage, student-loans, vat, isa, state-pension, state-pension-age, stamp-duty, capital-gains, pensions, dividends, savings, marriage-allowance, statutory-sick-pay, statutory-parental-pay, child-benefit. Covers UK income tax, National Insurance, minimum wage, student loans, VAT, ISAs, pensions, stamp duty, capital gains, dividends, savings, the State Pension and State Pension age, statutory sick/maternity/paternity pay and Child Benefit.",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "one of: income-tax, national-insurance, minimum-wage, student-loans, vat, isa, state-pension, state-pension-age, stamp-duty, capital-gains, pensions, dividends, savings, marriage-allowance, statutory-sick-pay, statutory-parental-pay, child-benefit (omit to list all)",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "uk_rates_lookup"
    }
  ]
}

What the leaf hashes

{"body":"a5ca58d9ef7347ec52f6c74e32d267b190ec65c6d7136cef90aed73a01edb9b0","id":266726,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793035503609013,"prev":null,"subject":"11969cb5-eb86-456a-b14e-854bd4252f36","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. 0xc8dd20c6da3f13373df8e77d664cd4e950e10565c75549245118f958e9b3bed7
2. 0x2e8f6d6c7f32aa9de737131fedad34290c47363fc59734223e864871f81d98c5
3. 0xb0e3ac3ef40bb4b1aa40552d13ff42c2df949bcad358da2ad2655c9a3c13ac62
4. 0xded20140233fdcdd64c5617bea3a0af7722b903d2802e037f4d8d73e602b663c
5. 0x88c46f5c781d9a42074a8116aa559dc8142e50a2081427030411841a45d73f37
6. 0x98f009941de90f1fc95cb49fe7f2a6ef3ca4fc9884385da62f990fc66a01d7ba
7. 0x915ef2e1d3e7d972c4522d28a33c0af57a14b340d687953a6bcf1e5f22d311ca
8. 0x7a0f376eee4f1fa97bdb1e09cff681d3eaa63959645436b402e66be4d3104630
9. 0x5edd226db42fed876a44f79f37937484c5fb73b7666e620e2459bde9f174bca7
10. 0x99b83a0d8096cc6e79ca10fec0381f61738bb5a26cb8d4668d93598ea82a302a
11. 0xde080106ffe5b9071b2505ae31b17f7da4d3a9c7f4f4d9819f700d720702beeb
12. 0xde09984239f27618a13932caf48f5d39831fc5021500b0581dce0dabd570bd6e
13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae