Evidence row 304583

What was observed

{
  "count": 9,
  "tools": [
    {
      "description": "Check both pickup and return dates against a fresh calendar snapshot. Returns available_in_snapshot, blocked or unknown. Without dates, lists known blocked dates; never reserves gear.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "from_date": {
            "description": "YYYY-MM-DD",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "slug": {
            "description": "Exact slug from list_equipment",
            "type": "string"
          },
          "to_date": {
            "description": "YYYY-MM-DD",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "check_availability"
    },
    {
      "description": "Check a rental lens against the client's camera mount. Unknown or unverified mounts require confirmation; fixed-lens cameras cannot take interchangeable lenses.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "camera_mount": {
            "description": "Your camera's lens mount, e.g. canon_rf for Canon R8/R6; model names are not mount identifiers",
            "enum": [
              "canon_rf",
              "canon_ef",
              "sony_e",
              "nikon_z",
              "fujifilm_x",
              "micro_four_thirds",
              "unknown"
            ],
            "type": "string"
          },
          "slug": {
            "description": "Exact slug from list_equipment",
            "type": "string"
          }
        },
        "required": [
          "slug",
          "camera_mount"
        ],
        "type": "object"
      },
      "name": "check_compatibility"
    },
    {
      "description": "Get prices, verified mount and kit contents, specs, availability snapshot and booking links.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "Exact slug from list_equipment",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_equipment_details"
    },
    {
      "description": "Estimate a listing's rental, Gearbooker fee and total. Return day is free; applies minimum, Friday-to-Monday and weekly pricing. Returns a shareable quote URL; final checkout is on Gearbooker.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "from_date": {
            "description": "YYYY-MM-DD",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "locale": {
            "description": "Language for customer-facing planner links and estimate cards; agent text remains English",
            "enum": [
              "en",
              "nl"
            ],
            "type": "string"
          },
          "slug": {
            "description": "Exact slug from list_equipment",
            "type": "string"
          },
          "to_date": {
            "description": "YYYY-MM-DD",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          }
        },
        "required": [
          "slug",
          "from_date",
          "to_date"
        ],
        "type": "object"
      },
      "name": "get_rental_quote"
    },
    {
      "description": "Pickup address, hours, booking process, insurance, rental limits and contact for questions.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "how_to_rent"
    },
    {
      "description": "List FotoRent camera gear for pickup in Diemen, Amsterdam area. Optional category filter.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "enum": [
              "cameras",
              "lenses",
              "drones"
            ],
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "list_equipment"
    },
    {
      "description": "Estimate selected listings together. Rejects duplicate or already-included gear. Multi-listing fees are the sum of separate estimates; shared inventory and combined checkout require confirmation.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "from_date": {
            "description": "YYYY-MM-DD",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "locale": {
            "description": "Language for customer-facing planner links and estimate cards; agent text remains English",
            "enum": [
              "en",
              "nl"
            ],
            "type": "string"
          },
          "slugs": {
            "items": {
              "description": "Exact slug from list_equipment",
              "type": "string"
            },
            "maxItems": 10,
            "minItems": 1,
            "type": "array",
            "uniqueItems": true
          },
          "to_date": {
            "description": "YYYY-MM-DD",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          }
        },
        "required": [
          "slugs",
          "from_date",
          "to_date"
        ],
        "type": "object"
      },
      "name": "quote_kit"
    },
    {
      "description": "Suggest up to three real kits for portrait, events, interview, travel, instant or FPV, respecting dates, minimum rental and total budget. Optional owned_camera_mount returns compatible lenses for a client's own camera. Over-budget alternatives are labelled explicitly; availability is a snapshot, not a reservation.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "budget_total": {
            "exclusiveMinimum": 0,
            "maximum": 100000,
            "type": "number"
          },
          "from_date": {
            "description": "YYYY-MM-DD",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "locale": {
            "description": "Language for customer-facing planner links and estimate cards; agent text remains English",
            "enum": [
              "en",
              "nl"
            ],
            "type": "string"
          },
          "owned_camera_mount": {
            "description": "Your camera's lens mount, e.g. canon_rf for Canon R8/R6; model names are not mount identifiers",
            "enum": [
              "canon_rf",
              "canon_ef",
              "sony_e",
              "nikon_z",
              "fujifilm_x",
              "micro_four_thirds",
              "unknown"
            ],
            "type": "string"
          },
          "to_date": {
            "description": "YYYY-MM-DD",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "use_case": {
            "enum": [
              "portrait",
              "events",
              "interview",
              "travel",
              "instant",
              "fpv"
            ],
            "type": "string"
          }
        },
        "required": [
          "use_case",
          "from_date",
          "to_date",
          "budget_total"
        ],
        "type": "object"
      },
      "name": "recommend_kit"
    },
    {
      "description": "Get the Gearbooker booking link and a FotoRent quote page. This only returns links: no booking, account or payment is created. Optional paired dates preserve the estimate on FotoRent.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "from_date": {
            "description": "YYYY-MM-DD",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "locale": {
            "description": "Language for customer-facing planner links and estimate cards; agent text remains English",
            "enum": [
              "en",
              "nl"
            ],
            "type": "string"
          },
          "slug": {
            "description": "Exact slug from list_equipment",
            "type": "string"
          },
          "to_date": {
            "description": "YYYY-MM-DD",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "start_booking"
    }
  ]
}

What the leaf hashes

{"body":"0d30ce11a202a609ff5e17896d5d6dd66ea3372cffd825607fe9aa8f6fc1cfba","id":304583,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793055978324805,"prev":null,"subject":"f72d78e2-f1f6-466b-b189-ca731773ac9c","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. 0x53cd9f3c0fe7db3c3049a39615e389d693d3bf28f91caa338e8c83d42b4fa47e
2. 0x6b0370ea4b9df509b5ec622e44914d1d8726175bbb74b92afd9ac86420cdce9a
3. 0xafad9c1d263f3cce2c6b528bcb98dfb1d6989a44cb207d17b3b4d28d47436abc
4. 0xcac6db94029f2d3a0c08b1081ad3b8e896bdc78a13bfae79f4f767861dd5f4bd
5. 0xd60a2f6a367cd7427a568efed09dda9d788a347a34f74fdc2f7d988881c6b44f
6. 0xe60817d677ccba8e9c14f9f10bd871f81091fa789220a9e2f61a1a99cf687ef0
7. 0x115b542a328460b18f5bed8f0223b29c89474787b514ce39b8f4c6076cc39d8c
8. 0x1c06d288d0c2db2cbfcd6b154ba4f137552ddcf534a599ac6903ad60ee56a129
9. 0x6de35252275872c66261656ad91778274bf661defd7004071c1996b7c44932fc
10. 0x51f5ff307937bdcac2eeb604499c77e1e67ec126246e5fead94e1044a2a751f5
11. 0xa1d1c99aa28ad1dadb7dae5386ee0342e06cf642d29909897d3feca675a6d839
12. 0x774d66905c34a786c6d34bf1c4491dbdb08f534c9eb5f76cf3de03385d28f388
13. 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae