Evidence row 266814

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "UK vehicle tax (VED) and MOT rules for 2026-27, verified against gov.uk, by category: ved-first-year (first-year rate by CO2 band for cars registered on or after 1 April 2017, petrol/RDE2-diesel and other-diesel columns), ved-standard (the flat rate from the second year and the Direct Debit surcharges), ved-expensive-car (list price threshold, annual supplement, years applied), ved-2001-2017 (bands A–M), ved-pre-2001 (engine size), ved-electric (zero-emission cars taxable since 1 April 2025), historic (40-year MOT exemption and the vehicle-tax exemption build date), mot (first MOT at 3 years, maximum fees by class, early renewal, retests, exemptions) and penalties (no MOT, dangerous vehicle, untaxed vehicle). Each figure carries its value, unit, the quoted line from the page, its source URL, effectiveFrom and the previous year's value; the answer carries verifiedDate, freshness and a citation permalink. No category returns the listing; an unknown category answers covered:false with the nearest keys.",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "one of: ved-first-year, ved-standard, ved-expensive-car, ved-2001-2017, ved-pre-2001, ved-electric, historic, mot, penalties (omit to list all)",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "uk_vehicle_rules_lookup"
    }
  ]
}

What the leaf hashes

{"body":"b50adf35f8be5babb1c202e5d4b4f02dd15afd9dccdd645c0af481ba50f1b425","id":266814,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793035547534757,"prev":null,"subject":"b6bd16e5-94e2-4470-96f9-e25aa9e8ff38","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. 0x9111751b43a74eba72ac198fea1d1f7159de9d4a4c40199ea3fd834c991e88e2
2. 0x724899a2843c55d8ed91123c27157e94e92de360fe3729c259a550eee8cbf704
3. 0x25b65ae5bb5b6a690938a736c1e46e70f403dab960256f6acd54d502e2d7fd7e
4. 0xab70e0626aab3c5c31763e2e464465c62dd8f419e1d2efd74decef8a2287eda3
5. 0x9f5d44bf1f49cc1a7c670b20468cbe329122fb5f2df65f31864872767ba1d616
6. 0xe55cbc697fc7b4c9be3da2250797ad2075063337ec3c56d730a0497dd6964a4d
7. 0xfdd8ffabcd3067bf8e1efd69dd78a244ff6b6e509e96581aaf2778797f15357e
8. 0xe64599658ea2859bacd8c6613492d05a39a8c2af043198e5df00937c1e4e2774
9. 0x03c0c3cee400a3c7cbef5ae45d720ec88677a3ba97e4945c8109c8e6eec16587
10. 0x5d6495469a224b0c8739fabdb7652717dcf778029d8f8eb34051fdf9d5ed5ee5
11. 0x6c9f1a764b7efa4ca549bf1cbbf8b397ce3c92cc35a0932f2dbf0706ae892c07
12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae