Evidence row 3405378

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Book details by ISBN, or search books by title or author. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "isbn": {
            "description": "string",
            "type": "string"
          },
          "limit": {
            "description": "number 1-25",
            "type": [
              "number",
              "string"
            ]
          },
          "query": {
            "description": "string",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "book_lookup"
    },
    {
      "description": "Convert length, mass, volume (UK and US), area, speed, energy, data, pressure and temperature. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "from": {
            "description": "unit, required",
            "type": "string"
          },
          "to": {
            "description": "unit, required",
            "type": "string"
          },
          "value": {
            "description": "number, required",
            "type": [
              "number",
              "string"
            ]
          }
        },
        "type": "object"
      },
      "name": "convert_units"
    },
    {
      "description": "Format an amount in any currency and locale, compact form, and optionally in words (for cheques and contracts). (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "amount": {
            "description": "number, required",
            "type": [
              "number",
              "string"
            ]
          },
          "currency": {
            "description": "ISO code, default GBP",
            "type": "string"
          },
          "locale": {
            "description": "default en-GB",
            "type": "string"
          },
          "words": {
            "description": "boolean",
            "type": [
              "boolean",
              "string"
            ]
          }
        },
        "type": "object"
      },
      "name": "format_money"
    },
    {
      "description": "Who owns an IP address: network name, range, country, organisations (RDAP). (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "ip": {
            "description": "string, required",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "ip_lookup"
    },
    {
      "description": "Food product by barcode: name, brand, ingredients, allergens, Nutri-Score, nutrition per 100g. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "barcode": {
            "description": "string, required",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "product_barcode"
    },
    {
      "description": "Lead summary, description, coordinates and Wikidata id for a Wikipedia article. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "lang": {
            "description": "two-letter code, default en",
            "type": "string"
          },
          "title": {
            "description": "string, required",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "wikipedia_summary"
    }
  ]
}

What the leaf hashes

{"body":"773328c6251dfcbe04a947704211797dc8aa072fe14ca624ee6002a2da16365f","id":3405378,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793883644258950,"prev":null,"subject":"0e5ec03e-2392-411e-a22e-d8b1017c3db0","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x594fd905ea9232a5de34d627be2960f8d3c93eaeedf343a909f1203739a03e09
2. 0x9827de79e6f54ea3ebdfa17cc0bd42827a576962d3b7acb3d5730bb072a81202
3. 0xd3c9ee20d0220bfd5f61b844992be65abcbd0015edc42691db5fbb940c24c2a5
4. 0x93520cc0b7d14e43c8b0100b5099ef05dedbc8ec406a48fed60205a119709ba0
5. 0x74c30d6d0aa9365e35a4ab60aa079fb6b86b2ceb5fa6fe447b57055f8cfe422b
6. 0x7a04d9a2cada3d0af74a4dbe2fd1da0edb0dff5e7f826483647bc27f8cb9eab1
7. 0xc781fc4f6c1f9913170422b56aadad163b4e8b8689351c3f7d6867ecd5214d4d
8. 0x050e6ac5064b60fff4b240ddd4306da3a464b89ddd8b756200c4a49912602b4a
9. 0xbcdb46e07765b3a19599eaad7d422e73e7fec465cb7534e307857ea038372ea9
10. 0xab6f3c5d5dc951ea86b6dd515d8a385bdc5d16bb0659b9dfd73c843e0107e309
11. 0x77ea5cb3942f5d27b24b275548075ece945a8a5ef8cd18e65dd8621f2936e508
12. 0xa396e711923ac839bf302fa560a13842d131de53c0dd7bfea508acab8ba1d277
13. 0x723c3e88e54d51eb95a3d77c2c7829d44edf19c69fc7606db919e6d272a81d1e
14. 0x449cf1e61bccebdf54815ea279ddc57c99a96619eb284a92aff809d999dc68c3
15. 0x20ca3add72ff47f6497449b7ee3adf1c6f2cdbedf8b5a49a56da543bf096a5fe
16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94