Evidence row 265254

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Look up evidence-graded research context for a supplement ingredient from\nthe curated registry (99 ingredients).\n\nReturns canonical name, aliases, health goals, mechanisms of action,\nevidence grade (Strong / Moderate / Preliminary), research notes, and\nrecommended iHerb search terms.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "name": {
            "description": "Ingredient name, alias, or health goal keyword, e.g. \"magnesium\",\n  \"ashwagandha\", \"sleep\", \"testosterone\", \"weight_loss\".",
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "get_ingredient_info"
    },
    {
      "description": "Retrieve complete details for a single iHerb product by its numeric product ID\n(visible in iHerb URLs, e.g. \"72711\" from https://www.iherb.com/pr/p/72711).\n\nReturns the full supplement facts panel (nutrients, amounts, % daily values),\ningredients list, warnings, serving info, and the affiliate purchase link.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "product_id": {
            "description": "iHerb numeric product ID as a string, e.g. \"72711\".",
            "type": "string"
          }
        },
        "required": [
          "product_id"
        ],
        "type": "object"
      },
      "name": "get_supplement_detail"
    },
    {
      "description": "List top-rated in-stock products within a specific iHerb category.\nUse list_categories first to discover valid category slugs.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category_slug": {
            "description": "Category slug, e.g. \"vitamins\", \"supplements\",\n           \"brain-cognitive\", \"sports\", \"magnesium-complex\".",
            "type": "string"
          },
          "limit": {
            "default": 20,
            "description": "Maximum results (1–60). Default 20.",
            "type": "integer"
          },
          "min_rating": {
            "default": 4,
            "description": "Minimum star rating (0.0–5.0). Default 4.0.",
            "type": "number"
          }
        },
        "required": [
          "category_slug"
        ],
        "type": "object"
      },
      "name": "get_supplements_by_category"
    },
    {
      "description": "Return all available iHerb product categories with their URL slugs and live\nproduct counts.  Use the slug value with get_supplements_by_category to\nbrowse products within a specific category.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "Find products that contain a specific ingredient or compound in their\ningredients list (e.g. \"ashwagandha\", \"CoQ10\", \"zinc bisglycinate\").\n\nAlso returns evidence-graded research context from the ingredient registry\nwhen the ingredient is recognised — goals, mechanisms, evidence grade.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "ingredient": {
            "description": "Ingredient or compound name to search for.",
            "type": "string"
          },
          "limit": {
            "default": 20,
            "description": "Maximum products to return (1–40). Default 20.",
            "type": "integer"
          }
        },
        "required": [
          "ingredient"
        ],
        "type": "object"
      },
      "name": "search_by_ingredient"
    },
    {
      "description": "Search the iHerb product database using a natural-language query, benefit\nkeyword, ingredient name, or brand name.\n\nUses the PostgreSQL GIN full-text search index first (fast, relevance-ranked),\nthen falls back to a broader ILIKE scan if FTS yields no results.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 20,
            "description": "Maximum results (1–60). Default 20.",
            "type": "integer"
          },
          "min_rating": {
            "default": 4,
            "description": "Minimum star rating filter (0.0–5.0). Default 4.0.",
            "type": "number"
          },
          "query": {
            "description": "Search term, e.g. \"magnesium sleep support\", \"omega 3 fish oil\",\n        \"vitamin D immune\", or a brand name.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_supplements"
    }
  ]
}

What the leaf hashes

{"body":"17e38afdcfd05bdb820ab7dcc231b9465e1b435e99ace78b49b86cf4034fd8e6","id":265254,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793034687633825,"prev":null,"subject":"8e9d75a5-36f0-4e1f-8106-53f3f7591238","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. 0x26bdb1f9393da53cfaeeb28c51194960d8ef15ffdc8eabdde916d170a5a02c3b
2. 0xcb48d971bcae4563d8e19e8ced232fc7e99f3fb85d1213aeb8b007dd2254e8cc
3. 0xf518ce7c3d2453fb9896b00a430dee22fae4137820150f9261be0d2cc7d7d6b0
4. 0x6715a72b4f3958b3e8734ab29ea47477825bafd4a59df236e2d16ea7943aaffd
5. 0x5d3fd46eebae942ba390c27aae1105cd89b525c20a9c4fa88fb3d02494b9765f
6. 0x1f5d6d3c2092a42e3a8122dc52319afb78886341206ee07f51882f40f2a35ece
7. 0xd170f6512c85b7f63bf792fadfca76906668d344504de00b8803cfcc7821d5fd
8. 0x2622effbff1d7d7c5d04a9b14803c48876cb1da0ca9859f75fbd2590203029f1
9. 0x390d74ada87601d669e15979a01ae413edc5a0fe9f3bd85dba6bda7c7497c5c4
10. 0xad558df47956c7575e501c0b81dc4eb03d9b165e990657293028c04774a19b4c
11. 0x90f2b3a28efa276421488834f526df2e5769ef8f14ee569439eea7b97f77a866
12. 0x266d991b0a994042474d2789bd5d3ba2433a122ae3c1027e2ccd7c0f4cf63071
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae