Evidence row 522983

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Fetch current price, stock and details for one Gameshop Enter product by its SKU (as returned by search_products). Includes the product-page URL (url) and a direct checkout link (checkoutUrl) that puts the item in the cart and opens checkout; with the buyer's country, url and local follow that country as in search_products.",
      "inputSchema": {
        "properties": {
          "country": {
            "description": "Optional ISO-2 country of the buyer, e.g. \"SG\", \"US\", \"AU\", \"DE\". A country with its own store (US, CA, AU, NZ, SG, HK, CH, IL, AE, SA …) gets url on that store and, where that store charges in its own currency, local with the price in it (SGD for SG); another country gets url in its own language (German for DE). Omit for the Dutch product page in EUR.",
            "type": "string"
          },
          "sku": {
            "description": "Product SKU, e.g. \"GBA-177714825902\"",
            "type": "string"
          }
        },
        "required": [
          "sku"
        ],
        "type": "object"
      },
      "name": "get_product"
    },
    {
      "description": "Answer \"what does this cost in total, delivered?\" — items, the exact checkout shipping tier, any running promotion and the total in EUR, for any of the 219 destination countries (all 27 EU countries plus Monaco, US, CH, AU, NZ, HK, SG, LI, IL, AE, SA, QA, KW, CA, PR, CL, GB and 175 more countries worldwide; for the US the import duties are included). Pass the same SKU twice for quantity 2. Includes a checkoutUrl. For a country with its own store and currency (US → USD, CH → CHF, AU → AUD, NZ → NZD, HK → HKD, SG → SGD, IL → ILS, AE → AED) the quote also carries `local` (the same amounts in that currency at the fixed shop rate the store charges) and `storeUrl` (that country's store); item URLs then point to the product pages in that store.",
      "inputSchema": {
        "properties": {
          "country": {
            "description": "ISO-2 destination country, e.g. \"NL\", \"BE\", \"DE\" (default \"NL\")",
            "type": "string"
          },
          "skus": {
            "description": "Product SKUs from search_products; repeat a SKU for quantity",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "skus"
        ],
        "type": "object"
      },
      "name": "get_quote"
    },
    {
      "description": "Search the live catalog of Gameshop Enter — original retro Nintendo games, consoles, PlayStation 4/5 games and Pokémon TCG, all personally tested, shipping to all 27 EU countries plus Monaco, to 16 countries outside the EU with their own store (US, CH, AU, NZ, HK, SG, LI, IL, AE, SA, QA, KW, CA, PR, CL, GB) and to 175 more countries worldwide. Understands abbreviations (\"gba\"), Dutch and English game names, typos, and Pokémon version names in German, French, Italian and Spanish (\"pokemon feuerrot\", \"pokémon rubis\"). Returns products with price in EUR, stock status, the product-page URL (url) and a direct checkout link (checkoutUrl) that puts the item in the cart and opens checkout. Pass the buyer's country to get the product pages of that country's own store with the price in its currency (local), or the product pages in the buyer's language.",
      "inputSchema": {
        "properties": {
          "country": {
            "description": "Optional ISO-2 country of the buyer, e.g. \"SG\", \"US\", \"AU\", \"DE\". A country with its own store (US, CA, AU, NZ, SG, HK, CH, IL, AE, SA …) gets url on that store and, where that store charges in its own currency, local with the price in it (SGD for SG); another country gets url in its own language (German for DE). Omit for the Dutch product page in EUR.",
            "type": "string"
          },
          "limit": {
            "description": "Max results (default 10, cap 25)",
            "type": "integer"
          },
          "maxPrice": {
            "description": "Optional maximum price in EUR",
            "type": "number"
          },
          "platform": {
            "description": "Optional platform filter, e.g. \"Game Boy Advance\", \"N64\", \"Switch\"; abbreviations work too (ds, 3ds, gba, gbc, snes, nes, wii, wii u, gamecube, ps4, ps5, tcg). \"ds\" means Nintendo DS only (not 3DS), \"wii\" means Wii only (not Wii U).",
            "type": "string"
          },
          "query": {
            "description": "Game title, character, franchise or SKU",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_products"
    },
    {
      "description": "Shipping costs and delivery times per country (EU and 191 non-EU destinations), free-shipping thresholds (EU only), customs rules outside the EU, 30-day return policy, payment methods, languages and the public profiles where Gameshop Enter can be verified.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "store_info"
    }
  ]
}

What the leaf hashes

{"body":"31c77616f6069dc615320f8a02185ae6cb9bb5eb3ad9f888c92d09ba3e367e8f","id":522983,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793124072807107,"prev":null,"subject":"209af473-4763-4cdf-9830-0cd75b12c6d8","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xf50608b2db4be1651fe35524dc0162a45d83e664c32bc72ee5911665342466a3
2. 0x7a5c098acd1f334de6739f8e73331dbd402cad514ee53389cf58e49049cf8a3e
3. 0x5ca2ac02f8d7207d543e25bbf442a188ba5445104034c3ae0b04e71d75fa322f
4. 0x356b41345898f65e1a5746e6acc396df482494922e9697ce798808b0f0791b18
5. 0x87d681d36d030c31a4f684290f93f2b3ba4e65c6bfb348276fb522cf98e201dd
6. 0x614e54413b41d6713b95130d340b9911c8413e59bf486aebde47b51e04eca079
7. 0xeba1fdce282b77def4a1243e2a666b3db550a431d19d15054ddf7e96a32c8c20
8. 0xb903996c95bc51e435b0cee540ab8bdc1c85388ee1a85a771e3bab1ee1ec0f36
9. 0xada3cd8f79645dafe16116f799c9d819f91cd18629a07eb6f39f297e8373a7b2
10. 0x93fc5308107b180f57d801c3d45bf7c4b0bcf9c2e5d1bda9bb75b99123fad1ef
11. 0x1ffe67ce384817ba887de8b4161984586f165c7fa95cef6567ef55d47adb58f2
12. 0xd80cea574304ef1eee7c8b03c1efcaf66eb83498acb1756c4e37eb1d063b48be
13. 0x47993ad5e402c748d96928c5127292d12f5f590d15cf544698f6bb348ad7dc9b
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4