Evidence row 561206

What was observed

{
  "count": 11,
  "tools": [
    {
      "description": "Use this when the user asks to change one of their CAD drawings in words (\"make the kitchen 4.2 m wide\", \"move the garage to the left\", \"add a window to bedroom 2\"). The drafter makes the change as a new version (earlier versions stay in the studio). Spends credits from the user's AI Architectures account (usually 60 to 600 per change). Then call get_cad_drawing.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "change": {
            "description": "What should change, in the user's words.",
            "maxLength": 4000,
            "minLength": 3,
            "type": "string"
          },
          "drawing_id": {
            "pattern": "^[a-z0-9]{6,32}$",
            "type": "string"
          }
        },
        "required": [
          "drawing_id",
          "change"
        ],
        "type": "object"
      },
      "name": "change_cad_drawing"
    },
    {
      "description": "Use this to check a drawing started with start_cad_drawing (or one of list_my_cad_drawings): status, what the drafter says, room names, a preview image, the studio link and, when the account allows, DXF, DWG and PDF download links (valid for 10 minutes; call again for fresh ones). While it is still drawing this waits up to wait_seconds for it to finish.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "drawing_id": {
            "description": "The id from start_cad_drawing or list_my_cad_drawings.",
            "pattern": "^[a-z0-9]{6,32}$",
            "type": "string"
          },
          "wait_seconds": {
            "default": 20,
            "description": "How long to wait for a running drawing to finish before answering.",
            "maximum": 45,
            "minimum": 0,
            "type": "integer"
          }
        },
        "required": [
          "drawing_id"
        ],
        "type": "object"
      },
      "name": "get_cad_drawing"
    },
    {
      "description": "Use this when the user asks how many AI Architectures credits their account has left before starting or changing a drawing.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "get_credit_balance"
    },
    {
      "description": "Use this when the user wants something AI Architectures does on its website from a photo or image: a remodel preview on a photo of their own home, a photoreal render from a sketch or model view, a render from a description, virtual staging, a listing photo kit, a clean floor plan image from a sketch or scan, a CAD drawing from a sketch, or before/after examples. Returns the page that does it; the user uploads the photo there.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "task": {
            "description": "What the user wants to do.",
            "enum": [
              "remodel_preview",
              "architecture_render",
              "render_from_description",
              "virtual_staging",
              "listing_kit",
              "floor_plan_image_from_sketch",
              "cad_from_sketch",
              "examples_gallery"
            ],
            "type": "string"
          }
        },
        "required": [
          "task"
        ],
        "type": "object"
      },
      "name": "get_design_tool_link"
    },
    {
      "description": "Use this to show one house plan from search_house_plans in detail: description, every floor plan image and all free download links (PDF plan set, DXF per level, IFC, GLB).",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "The plan slug from search_house_plans.",
            "maxLength": 120,
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_house_plan"
    },
    {
      "description": "Return the AI Architectures account behind this connection. The opaque id is the account id, unique and unchanged across token refresh, reconnection and changes to the email or name.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "get_profile"
    },
    {
      "description": "Use this when the user asks about their own drawings in the Plan Chat CAD studio. Lists them newest first with id, title, number of versions and whether one is being drawn now.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 10,
            "maximum": 30,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "list_my_cad_drawings"
    },
    {
      "description": "Use this when the user wants a floor plan drawn as CAD (DXF/DWG) but is not signed in to an AI Architectures account here, or prefers to continue on the website, or wants to attach a sketch there. Returns a link that opens the Plan Chat CAD studio with the request already typed in; nothing is drawn or charged until the user presses send on the site.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "brief": {
            "description": "The building in the user's words: type, rooms, sizes, storeys, plot. Any language.",
            "maxLength": 2000,
            "minLength": 3,
            "type": "string"
          }
        },
        "required": [
          "brief"
        ],
        "type": "object"
      },
      "name": "prepare_cad_drawing_link"
    },
    {
      "description": "Use this when the user wants ready-made house plans, floor plan ideas or downloadable plans (for example \"3 bedroom ranch under 2,000 sq ft\", \"small ADU\", \"barndominium\"). Searches a library of about 500 free house plans by AI Architectures, each with a floor plan image, room sizes and free PDF, DXF, IFC and GLB downloads. Returns plan cards with links to the plan page and to change the plan in the CAD studio. Filters are optional; leave out what the user did not ask for.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "bathrooms": {
            "description": "Minimum number of bathrooms.",
            "maximum": 8,
            "minimum": 0,
            "type": "number"
          },
          "bedrooms": {
            "description": "Exact number of bedrooms (0 = studio).",
            "maximum": 8,
            "minimum": 0,
            "type": "integer"
          },
          "garage": {
            "description": "true = only plans with a garage, false = only without.",
            "type": "boolean"
          },
          "limit": {
            "default": 6,
            "maximum": 12,
            "minimum": 1,
            "type": "integer"
          },
          "max_sqft": {
            "description": "Largest living area in square feet.",
            "maximum": 20000,
            "minimum": 0,
            "type": "integer"
          },
          "min_sqft": {
            "description": "Smallest living area in square feet (1 m² = 10.76 sq ft).",
            "maximum": 20000,
            "minimum": 0,
            "type": "integer"
          },
          "query": {
            "description": "Style or type words, e.g. \"modern farmhouse\", \"ranch\", \"ADU\", \"barndominium\", \"narrow lot\", \"30x40\".",
            "maxLength": 200,
            "type": "string"
          },
          "stories": {
            "description": "Number of storeys.",
            "maximum": 3,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "search_house_plans"
    },
    {
      "description": "Use this when the user wants to see what the AI drafter draws, or examples of AI-made CAD floor plans. Lists published drawings from the Plan Chat CAD studio (real, unretouched output), each with a preview, the brief it was drawn from, a free DXF download and a link to draw a similar one.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 6,
            "maximum": 12,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Optional words to filter by, e.g. \"townhouse\", \"office\", \"3 bedrooms\".",
            "maxLength": 200,
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "show_community_cad_drawings"
    },
    {
      "description": "Use this when the user asks to draw or design a floor plan as a real CAD drawing and wants it made now. The AI drafter of the Plan Chat CAD studio draws a layered, dimensioned plan (walls, doors, windows, furniture, dimensions, room names and areas) from the description and, if attached, a sketch or photo of a plan. Needs the user's AI Architectures account and spends credits from it (usually 700 to 1,800 credits per drawing; get_credit_balance shows the balance). Drawing takes 1 to 5 minutes; then call get_cad_drawing with the returned drawing_id. Confirm the brief with the user before starting.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "brief": {
            "description": "The building: type, rooms with sizes if known, storeys, overall size or plot, style. Any language. With a sketch, say what it shows.",
            "maxLength": 4000,
            "minLength": 3,
            "type": "string"
          },
          "sketch": {
            "additionalProperties": false,
            "description": "A sketch, photo or screenshot of a floor plan the user attached in the chat.",
            "properties": {
              "download_url": {
                "type": "string"
              },
              "file_id": {
                "type": "string"
              },
              "file_name": {
                "type": "string"
              },
              "mime_type": {
                "type": "string"
              }
            },
            "required": [
              "download_url",
              "file_id"
            ],
            "type": "object"
          },
          "sketch_url": {
            "description": "Optional https URL of a sketch, photo or screenshot of a floor plan (JPG, PNG, WebP, HEIC; up to 15 MB), if no file was attached.",
            "maxLength": 2000,
            "type": "string"
          },
          "units": {
            "default": "m",
            "description": "m = metres and m², ft = feet-inches and sq ft. Use ft for US users.",
            "enum": [
              "m",
              "ft"
            ],
            "type": "string"
          }
        },
        "required": [
          "brief"
        ],
        "type": "object"
      },
      "name": "start_cad_drawing"
    }
  ]
}

What the leaf hashes

{"body":"7e9856d50e3f80eb6818b40529b6f4e8831b2a5526eff0bb1419975d9df02a08","id":561206,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793136807383399,"prev":null,"subject":"fdbc44e9-cc8f-4113-a85c-76c91618211a","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. 0x2045d872a9a50a25ce03bcd5df9fc0cfccd032bf1b029d8383e50af1cb3d7809
2. 0xe50a0b4f34a2086c2efc08b433645683078528fc6158385eae3a11090401967c
3. 0xa021b235b733110c83512afc8bdd70a11eb798879e8c11d020a12f348afdc98c
4. 0x3b6db4ad3484a6a636d3892bedefe51f5db377aa58163ea76c974da617b65605
5. 0xadfb9cdb12514fc0399ab3a31027479fb9043c5fa8fa7731e052de8726b2c1df
6. 0x896110a9a2734a9e7ad259258a93bf9e63754e37960ccf9b201011f37c9f7d0b
7. 0x0ac967a8c054d59505af9c0d5d307bc7356605fe174535b07c632d65f0e5043e
8. 0xba3f59cf6d2bdb13ec069bb8c64970cac5e3e6131af8675ba632d971dd888df7
9. 0xd8296b6b395c14cd51624f5a3cdc48d63ba64d10cdf08d55269372c893b9ab9f
10. 0xb199ba890edf687ced6e709304afc3d2a644959e04bfcc4e4cf7c255e48af8a8
11. 0x5b0b64ab1e36bf2ec3c04be82716d130476b3af9a60be0d19dcbdf8a3b7e3da9
12. 0xd4460ea292e8308ed2accdcd5b386b0914636a5b8cec975011dff814c29ff99a
13. 0x20ca24353b8aca3e061eedf55f49b69ae8369b88135dfdabf30039ed34db329a
14. 0xe8ee6f6ed50253c5ee2d1aa85a4b1a38ce94bca7f3b72fd1850f496152dbe285
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4