Evidence row 302202

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "Map any Persian or English lighting phrase onto the canonical taxonomy — «داون‌لایت توکار», 'trimless plaster frame', 'high bay'. Backed by 522 learned type→category pairs plus rules measured at 95% agreement. Returns null for a phrase that names no category rather than guessing.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "term": {
            "description": "A product type, in Persian or English.",
            "type": "string"
          }
        },
        "required": [
          "term"
        ],
        "type": "object"
      },
      "name": "classify_lighting_term"
    },
    {
      "description": "Which suppliers cover a category, with counts, share, and per-facet data coverage. Coverage describes what each supplier's SOURCE stated, never product quality, and a one-supplier category says so rather than pretending to be a comparison.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "Category slug from list_categories.",
            "enum": [
              "downlight",
              "wall",
              "magnetic",
              "linear",
              "pendant",
              "bollard",
              "ceiling-surface",
              "plaster-frame",
              "inground",
              "accessory",
              "track",
              "portable",
              "lamp",
              "street",
              "strip-profile",
              "industrial",
              "stair",
              "floodlight",
              "facade",
              "panel"
            ],
            "type": "string"
          }
        },
        "required": [
          "category"
        ],
        "type": "object"
      },
      "name": "compare_brands"
    },
    {
      "description": "One supplier in full: what they make, the product families they run, and — the field worth the call — doesNotDo, a statement of what they genuinely do NOT make, computed from absence in their product list rather than inferred from their marketing.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "Supplier slug from list_brands.",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_brand"
    },
    {
      "description": "Every field on file for one product, by the id search_products returns ('brand/product-slug'), including provenance: whether the fact came from the supplier's own website or from a page of their PDF catalog, and when it was read.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Product id, e.g. 'spl/hangwire-puzzle-hangwire'.",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_product"
    },
    {
      "description": "Every supplier on file with what they cover, how complete their data is, and when it was last read. No contact details — see the server instructions.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_brands"
    },
    {
      "description": "The 20 canonical categories with Persian and English names, product counts, and which suppliers are in each. Small enough to fetch once and reason over the whole market; flags categories that only one supplier covers.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "Search the catalog of real products stocked by the suppliers on file. Accepts Persian or English. Returns normalized facets (mounting, indoor/outdoor, IP, colour temperature, and wattage/lumen where stated) plus what the query matched on. Colour temperature is returned but is NOT filterable: a fixture is usually sold in several, and the row carries the one its source printed. The response always reports what the filters excluded and why, split into 'not stated in our data' and 'did not match' — a product missing from a result is NEVER evidence that a supplier does not make it; use get_brand's doesNotDo for that.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "brand": {
            "description": "Restrict to one supplier.",
            "enum": [
              "spl",
              "mazinoor",
              "nooran",
              "shoa",
              "candle",
              "setareh-shomal",
              "eslight",
              "beco"
            ],
            "type": "string"
          },
          "category": {
            "description": "One of the 20 canonical categories — see list_categories.",
            "enum": [
              "downlight",
              "wall",
              "magnetic",
              "linear",
              "pendant",
              "bollard",
              "ceiling-surface",
              "plaster-frame",
              "inground",
              "accessory",
              "track",
              "portable",
              "lamp",
              "street",
              "strip-profile",
              "industrial",
              "stair",
              "floodlight",
              "facade",
              "panel"
            ],
            "type": "string"
          },
          "environment": {
            "description": "indoor, outdoor, or both. 'indoor' also returns fixtures rated for both.",
            "enum": [
              "indoor",
              "outdoor",
              "both"
            ],
            "type": "string"
          },
          "has_image": {
            "description": "Only products with an image on file.",
            "type": "boolean"
          },
          "ip_min": {
            "description": "Minimum IP rating, e.g. 65 for a wet location.",
            "maximum": 69,
            "minimum": 20,
            "type": "integer"
          },
          "limit": {
            "description": "Results per page (default 20, max 50).",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "mounting": {
            "description": "How it mounts.",
            "enum": [
              "inground",
              "magnetic",
              "track",
              "pendant",
              "semi-recessed",
              "recessed",
              "surface",
              "wall",
              "pole",
              "spike",
              "portable"
            ],
            "type": "string"
          },
          "offset": {
            "description": "Pagination offset; use nextOffset from the previous call.",
            "maximum": 5000,
            "minimum": 0,
            "type": "integer"
          },
          "price_tier": {
            "description": "The price band the SUPPLIER declared for its whole range. Self-declared and per brand, not per product, and not a quoted price — no supplier on file publishes prices.",
            "enum": [
              "budget",
              "mid",
              "premium"
            ],
            "type": "string"
          },
          "q": {
            "description": "Free text in Persian or English, e.g. «چراغ خطی توکار» or 'recessed linear profile'.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_products"
    },
    {
      "description": "Turn a described need into a link the person opens themselves, where an adviser builds a brief and matches it against suppliers' real stock. This is how someone actually reaches a supplier: there are no contact details in this server, and this call does not contact anyone. It stores nothing and it REFUSES any personal data — no name, no number, no email. Describe the project, not the person.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "client": {
            "description": "Optional: a short name for your app, so we can tell which assistants send people here. Self-reported, lowercase slug.",
            "type": "string"
          },
          "need": {
            "description": "The project in the person's own terms, in Persian or English — space, use, style, constraints. No personal details: the call is refused if it contains a phone number, an email or a handle.",
            "type": "string"
          }
        },
        "required": [
          "need"
        ],
        "type": "object"
      },
      "name": "start_consultation"
    }
  ]
}

What the leaf hashes

{"body":"4d526deef9e6d2f02fb63e2b14a0fd52aedf5396876ab02165757abd88803135","id":302202,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793054544649911,"prev":null,"subject":"f54b0c4b-30c7-4af2-8f5a-89f3d29b18f6","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. 0x024507cc2534da3ed03587495e699f3a454e62cd8775fbaf0a446e0d5f1affc2
2. 0x9e938eca5a6b812bc95853eea1cbf7b25437fb63778ece5c6ce952d300c3abf1
3. 0x8721e542a6e73be9564f2d0909726c0377c767cdeea33f23b0f34f67c27b69f8
4. 0x5af926c39a4cdbf2776888a92b141e619d7f5ddd0698b4c8daf7a13c4a312d39
5. 0x6f2098d99894aea74104cf84e11a3d65d6becc25fa49971dce4c4016656d565b
6. 0x3d1461b1b8352da2f1c9a646b10ec126a818a29c1f970d2e87eeba8aa5e77943
7. 0x92d4489cade3da608df61bd23e3753ec666cf730041c114d9af0ca5165660ef6
8. 0xb819445f0f748c9c5165ae832a0c8efa20e763beec4a2616e56451c014d74263
9. 0x3dae337e94f37e272aa4e9b08fbab19b028d39cd7f13ce8e38f4c720322a624f
10. 0xcb5a291603d9ef68cbc616de43c6b978db217c1515810eeebbd2bbe77370af1c
11. 0x588f372bbaaf730e538542f070b005c0dd23fdb8c7f43a940481de0c1681aae1
12. 0xd75ede2689ed83bbc8980becaf4f32a77c7e05567790cd351e997bb28aa0844c
13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae