Evidence row 264596

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Create a one-time link to a cart on nb8floral.com pre-filled with the given products.\n    Nothing is charged: the cart is reviewed and paid on nb8floral.com. Quantities are rounded up\n    to whole packs and prices are recalculated from today's data. The link works once and expires\n    after 30 minutes. Ships to the contiguous US only. Items that can't be added (pre-order, price\n    on request, not enough stock) are returned in needs_quote.",
      "inputSchema": {
        "$defs": {
          "CartLine": {
            "properties": {
              "color": {
                "anyOf": [
                  {
                    "type": "string"
                  },
                  {
                    "type": "null"
                  }
                ],
                "default": null,
                "description": "Color wanted, e.g. 'white'.",
                "title": "Color"
              },
              "slug": {
                "description": "Product slug (pre-order items can't be added to a cart).",
                "title": "Slug",
                "type": "string"
              },
              "stems": {
                "description": "Total stems wanted; rounded up to whole packs.",
                "maximum": 100000,
                "minimum": 1,
                "title": "Stems",
                "type": "integer"
              }
            },
            "required": [
              "slug",
              "stems"
            ],
            "title": "CartLine",
            "type": "object"
          }
        },
        "properties": {
          "items": {
            "description": "Products and stem quantities to buy.",
            "items": {
              "$ref": "#/$defs/CartLine"
            },
            "maxItems": 40,
            "minItems": 1,
            "title": "Items",
            "type": "array"
          }
        },
        "required": [
          "items"
        ],
        "title": "create_checkout_linkArguments",
        "type": "object"
      },
      "name": "create_checkout_link"
    },
    {
      "description": "Save a product list for a price quote (pre-order items, large or custom orders, or\n    shipping outside the contiguous US) and return an order code like NB8-7K3QX. Nothing is\n    ordered or charged; the code is sent to NB8 Floral by email or WhatsApp to receive a quote.",
      "inputSchema": {
        "$defs": {
          "QuoteLine": {
            "properties": {
              "color": {
                "anyOf": [
                  {
                    "type": "string"
                  },
                  {
                    "type": "null"
                  }
                ],
                "default": null,
                "description": "Color wanted.",
                "title": "Color"
              },
              "name": {
                "anyOf": [
                  {
                    "type": "string"
                  },
                  {
                    "type": "null"
                  }
                ],
                "default": null,
                "description": "Product name as shown to the user.",
                "title": "Name"
              },
              "slug": {
                "description": "Product slug, including pre-order slugs like 'preorder:…'.",
                "title": "Slug",
                "type": "string"
              },
              "stems": {
                "description": "Total stems wanted.",
                "maximum": 1000000,
                "minimum": 1,
                "title": "Stems",
                "type": "integer"
              }
            },
            "required": [
              "slug",
              "stems"
            ],
            "title": "QuoteLine",
            "type": "object"
          }
        },
        "properties": {
          "event_date": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Optional event date, YYYY-MM-DD — helps us check pre-order timing.",
            "title": "Event Date"
          },
          "items": {
            "description": "Products and stem quantities.",
            "items": {
              "$ref": "#/$defs/QuoteLine"
            },
            "maxItems": 60,
            "minItems": 1,
            "title": "Items",
            "type": "array"
          },
          "project_name": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Optional label, e.g. 'Smith wedding'.",
            "title": "Project Name"
          }
        },
        "required": [
          "items"
        ],
        "title": "create_quote_requestArguments",
        "type": "object"
      },
      "name": "create_quote_request"
    },
    {
      "description": "Get today's price, pack size, stock and delivery time for specific NB8 Floral products by\n    slug, optionally in a given color.",
      "inputSchema": {
        "$defs": {
          "ProductRef": {
            "properties": {
              "color": {
                "anyOf": [
                  {
                    "type": "string"
                  },
                  {
                    "type": "null"
                  }
                ],
                "default": null,
                "description": "Color wanted, e.g. 'white'.",
                "title": "Color"
              },
              "slug": {
                "description": "Product slug, as returned in search or identification results.",
                "title": "Slug",
                "type": "string"
              }
            },
            "required": [
              "slug"
            ],
            "title": "ProductRef",
            "type": "object"
          }
        },
        "properties": {
          "items": {
            "description": "Products to look up.",
            "items": {
              "$ref": "#/$defs/ProductRef"
            },
            "maxItems": 20,
            "minItems": 1,
            "title": "Items",
            "type": "array"
          }
        },
        "required": [
          "items"
        ],
        "title": "get_productsArguments",
        "type": "object"
      },
      "name": "get_products"
    },
    {
      "description": "Identify the flower types and colors in a photo given by public image URL, and match each\n    to NB8 Floral products. Stem counts are approximate.",
      "inputSchema": {
        "properties": {
          "image_url": {
            "description": "Public http(s) URL of a photo of flowers, a bouquet or an arrangement.",
            "title": "Image Url",
            "type": "string"
          }
        },
        "required": [
          "image_url"
        ],
        "title": "identify_flowersArguments",
        "type": "object"
      },
      "name": "identify_flowers"
    },
    {
      "description": "Search NB8 Floral's artificial (silk) flower catalog by flower type, color and keywords.\n\n    Returns matching products with price per pack, stems per pack, price per stem, delivery time,\n    free-shipping flag, product link and photo. When nothing matching is listed on the website,\n    returns pre-order options (estimated price, lead time on request). When the flower type is not\n    recognized, returns the list of flower types in the catalog.",
      "inputSchema": {
        "properties": {
          "color": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Color, e.g. 'white', 'blush pink', 'burgundy', 'sage green'.",
            "title": "Color"
          },
          "flower_type": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Flower or greenery type in English, e.g. 'peony', 'rose', 'hydrangea', 'eucalyptus', 'babys breath'. Empty means keyword-only search.",
            "title": "Flower Type"
          },
          "limit": {
            "default": 5,
            "description": "How many products to return (1-10).",
            "maximum": 10,
            "minimum": 1,
            "title": "Limit",
            "type": "integer"
          },
          "query": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Extra keywords matched against product names, e.g. 'sample box', 'bouquet', 'real touch'.",
            "title": "Query"
          },
          "us_stock_only": {
            "default": false,
            "description": "Only return items in the US warehouse (about 7-day delivery).",
            "title": "Us Stock Only",
            "type": "boolean"
          }
        },
        "title": "search_productsArguments",
        "type": "object"
      },
      "name": "search_products"
    }
  ]
}

What the leaf hashes

{"body":"352ed6fb16627bdc34f2efe9cc4c7ef4827cc5ef3ad68df23502718b11838990","id":264596,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793034284050190,"prev":null,"subject":"5e9f6642-168c-4671-bb99-0f2a23a1097a","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. 0x040af5ee4e7370c2c6d370d8ff8c719927fe8ff32cecd72985d9a0ad9860163b
2. 0x959918be71c37e3bca5b71134305a0a3e57faca5dc39af6bce3277cf988d389b
3. 0xb4da083baf90868ea72a291b4c96fa13740fa82da043e5a6d602a370ad420d90
4. 0x4f07efc87de070fde6a644f5659e895e3e76a7b5a58b70a9ed9107e690ec4b25
5. 0x63e7708ca975c0132d38c2d7f43c3a1e62f07709d69a57325dce372b364981cc
6. 0x2a5d91cdc41aef414548984a63f3729c14ea2bad48aea645eb3467c5b2bcdc09
7. 0x6e362e4ec91fe8d070a2cccf9deaf78de67dbda0a492f8119d2fd54bd0c7a9d3
8. 0x362f2bb785000a886bf857e9f936d3a9d8bfb3fa1c7e3e0617ade31b204231d1
9. 0xd78e00fa1d778becb725175fd7f00b0f161a35f4a02784eb7f7e1d11bd776a02
10. 0x28efbda3043fe0ad6931419f72618781ad3b289c046ef258b300ab314d01bde2
11. 0x0dadbaadc61f6ee6be4586a11afb533e54da3f5fef5c8ec2ecba1bfa573ce6d3
12. 0x23033d81d9f4be06225e4276d276e0e8e02abc173d156a1b9a8fd5e4803ad199
13. 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae