Evidence row 266784

What was observed

{
  "count": 9,
  "tools": [
    {
      "description": "STUB — not yet live. EU Safety Gate (RAPEX) vehicle alerts are being added; until then this returns covered:false with the official Safety Gate URL and points to fr_recalls_* (RappelConso republishes the Safety Gate automobile alerts that concern France).",
      "inputSchema": {
        "properties": {
          "brand": {
            "type": "string"
          },
          "model": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "eu_safety_gate_recalls"
    },
    {
      "description": "Official French vehicle recall notices (RappelConso, DGCCRF open data; 1663 automobile fiches 2018-01-19 → 2026-08-07) for a brand and model: fiche number, date, risks, defect description (motif, in French), commercialisation periods and the official fiche link. Omit model to list a brand. Matches by a reviewed alias table plus whole-word text match; each fiche says which.",
      "inputSchema": {
        "properties": {
          "brand": {
            "description": "e.g. peugeot, Mercedes-Benz, VW",
            "type": "string"
          },
          "model": {
            "description": "e.g. 208, Classe A, Golf (optional: omit to list the brand)",
            "type": "string"
          }
        },
        "required": [
          "brand"
        ],
        "type": "object"
      },
      "name": "fr_recalls_for_model"
    },
    {
      "description": "Keyword search across all RappelConso automobile fiches (brand, model text, label, defect description, risks), newest first, optionally since a date. Text is French and lowercase (\"airbag\", \"incendie\", \"takata\", \"batterie haute tension\"). Use for cross-brand questions (\"recent EV battery fire recalls in France\").",
      "inputSchema": {
        "properties": {
          "since": {
            "description": "optional ISO date YYYY-MM-DD — only fiches published on/after it",
            "type": "string"
          },
          "text": {
            "description": "words that must all appear, e.g. \"airbag takata\"",
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "fr_recalls_search"
    },
    {
      "description": "Owner defect reports filed with MLIT's 不具合情報ホットライン (39954 across 313 models): total reports for a model and the breakdown by defective device (brakes, lights, engine, body…) from the newest sample. Reports are unverified owner submissions — compare shapes, not raw counts. Accepts English or Japanese names.",
      "inputSchema": {
        "properties": {
          "make": {
            "description": "e.g. honda",
            "type": "string"
          },
          "model": {
            "description": "e.g. n-box",
            "type": "string"
          }
        },
        "required": [
          "make",
          "model"
        ],
        "type": "object"
      },
      "name": "jp_complaints_summary"
    },
    {
      "description": "Official Japanese recall filings (国土交通省 MLIT; 3283 filings matched to 313 models sold in Japan, incl. Lexus and imports) for a make and model: notification number, date, defective device, affected vehicles, situation and remedy (Japanese originals) and the official filing PDF. Accepts English (Toyota Prius, Honda N-BOX) or Japanese (トヨタ プリウス) names.",
      "inputSchema": {
        "properties": {
          "make": {
            "description": "e.g. toyota, Honda, スズキ",
            "type": "string"
          },
          "model": {
            "description": "e.g. prius, N-BOX, ジムニー",
            "type": "string"
          }
        },
        "required": [
          "make",
          "model"
        ],
        "type": "object"
      },
      "name": "jp_recalls_for_model"
    },
    {
      "description": "Real UK MOT failure data for a used car: per-category failure rates (overall and interpolated at a given mileage) and the riskiest components with typical failure mileages, for one model generation. Live proxy to whatbreaks.uk (same operator; aggregated from DfT anonymised MOT results). Use when a user is buying, comparing or maintaining a car sold in the UK. If several generations match, the result lists candidates — retry with year or the exact model name.",
      "inputSchema": {
        "properties": {
          "make": {
            "description": "e.g. Volkswagen",
            "type": "string"
          },
          "mileage": {
            "description": "optional current mileage in miles",
            "type": "number"
          },
          "model": {
            "description": "e.g. Golf — generation resolved via year",
            "type": "string"
          },
          "year": {
            "description": "optional registration year",
            "type": "number"
          }
        },
        "required": [
          "make",
          "model"
        ],
        "type": "object"
      },
      "name": "uk_mot_reliability"
    },
    {
      "description": "Search the 530 UK model generations covered by the MOT dataset by free text (e.g. \"focus\", \"golf\"). Use to check coverage or disambiguate a generation before uk_mot_reliability. Live proxy to whatbreaks.uk.",
      "inputSchema": {
        "properties": {
          "q": {
            "description": "free-text query",
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "uk_mot_vehicle_search"
    },
    {
      "description": "Official UK vehicle safety recalls (DVSA, Open Government Licence; 4876 recalls launched 2016-01-01 → 2027-02-03, 272 makes) for a make and model: recall number, launch date, concern, defect and remedy text (DVSA's English originals), build-date range, vehicles affected and a GOV.UK recall-checker link. Omitting model lists the make's recalls and model names. \"Vauxhall Corsa\", \"vauxhall corsa\" and \"VAUXHALL CORSA\" resolve identically; \"Mercedes-Benz\", \"VW\" and \"Land Rover\" are understood. Covers cars, vans, HGVs, buses, motorcycles, trailers and components, not individual VINs.",
      "inputSchema": {
        "properties": {
          "make": {
            "description": "e.g. Vauxhall, Mercedes-Benz, VW, Land Rover",
            "type": "string"
          },
          "model": {
            "description": "e.g. Corsa, A Class, Golf (optional: omit to list the make)",
            "type": "string"
          },
          "since": {
            "description": "optional ISO date YYYY-MM-DD — only recalls launched on/after it",
            "type": "string"
          }
        },
        "required": [
          "make"
        ],
        "type": "object"
      },
      "name": "uk_recalls_for_model"
    },
    {
      "description": "Keyword search across all served DVSA recalls (make, model names, concern, defect and remedy text), newest first, optionally since a date. Text is English (\"airbag\", \"fire\", \"steering rack\", \"takata\", \"high voltage battery\"); every word must appear. Suited to cross-make questions such as recent EV battery fire recalls in the UK.",
      "inputSchema": {
        "properties": {
          "since": {
            "description": "optional ISO date YYYY-MM-DD — only recalls launched on/after it",
            "type": "string"
          },
          "text": {
            "description": "words that must all appear, e.g. \"airbag takata\"",
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "uk_recalls_search"
    }
  ]
}

What the leaf hashes

{"body":"8c0b46250072990c44862d544f9e93e007824cae7820d34cf27988e0ba4aa215","id":266784,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793035533601238,"prev":null,"subject":"32a94a70-e785-4aa4-8e13-b2170d2ea9b4","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. 0xd6d25eb0bd03833f3afc8cac8466594cb930ec4bde981e8d7bd8662c7c7cf4d5
2. 0x9745eaabe573c8faa5ba54da9d97eec604e798c26fa46578e99967692738cfb7
3. 0x66696744ae94ed887a54241e4445f528089e770bf4312203046d9f82b73ca6eb
4. 0x122884e8d901782c76f7889e49a831c73d50ae52bb4a884944d0b09335a5ca3f
5. 0x9418fd66ccd8955fffd9c51da7a8a29b6c7d75a02b13fb5e0d14e533bad89833
6. 0x245451f06c94dd720063d292518c18907547366713138ea181a7e142e2555086
7. 0xbbf248486d2a009d9b971cf3725c9292d17e46ac1e95f71a3c5eba6e385615b0
8. 0x17c9fc37c2dae1c12f78a16ce4bcc248b995e2966f612e7e9304304ce3e9844a
9. 0xda40352f4c3e9bb16eb1be95235380e545a169dcbe4a5adb1d4681bd81972196
10. 0x206287918135573a87e376ef5dd28f3e452e64e037a8e2c8a8f5db3f0e0e7d4c
11. 0x681ef979e2591e4ee00c2230855c75508aa926b1abc5e4e5e6a9348a15261045
12. 0x39d84ffb833c94bfff15760ea7da987f5303e407884de386d5a33b2328c7d785
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae