Evidence row 307140

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Show documentation for a Rust item by path.",
      "inputSchema": {
        "examples": [
          {
            "description": "Look up a trait",
            "path": "serde::Deserialize"
          }
        ],
        "properties": {
          "path": {
            "description": "Item path, e.g. `serde::Deserialize` or `std::vec::Vec`. A crate segment\nmay carry an `@`-suffixed semver requirement (not an exact version):\n`tokio@1::runtime::Runtime` serves the newest 1.x, while `tokio@=1.40`\npins an exact release.",
            "type": "string"
          }
        },
        "required": [
          "path"
        ],
        "type": "object"
      },
      "name": "get"
    },
    {
      "description": "Search for items within a crate's documentation, or — without a crate —\ndiscover which crate to use.",
      "inputSchema": {
        "examples": [
          {
            "crate": "serde",
            "description": "Find deserialization items in serde",
            "query": "deserialize"
          },
          {
            "description": "Discover which crate to use for MQTT",
            "query": "mqtt client"
          }
        ],
        "properties": {
          "crate": {
            "description": "Crate to search within, optionally with an `@`-suffixed semver\nrequirement (not an exact version): `serde`, `tokio@1` (newest 1.x), or\n`tokio@=1.40` to pin an exact release.\n\n**Omit only to discover which crate to use.** With `crate`, the search\nruns over that crate's full documentation — item names and prose.\nWithout it, it searches a different, much shallower dataset: crates.io\ncrate names, descriptions, and declared keywords. It returns crates,\nnot items, and cannot see any crate's actual documentation. If you\nalready know the crate name, always pass it.",
            "type": "string"
          },
          "query": {
            "description": "Search query — one or more complete words. With `crate`, matched\nagainst item names and documentation prose; without it, against crate\nnames, descriptions, and declared keywords.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search"
    }
  ]
}

What the leaf hashes

{"body":"af2b668ba3d1ad469fb0650d09454245977727f8b742993ac2678cad7880f3da","id":307140,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793057479650573,"prev":null,"subject":"c7d47c68-645c-408f-a50c-a38c44a3c76b","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. 0xa3de060ce57bc1fef550b941962979c97f3d52666f163c78fc8dcfa3b7700608
2. 0x1ac0785577ef180ac2148094ed66f2bdc02861342bdd58f8d817f6f964b3776d
3. 0xf72b2eb925e426d87f52ee55a18729230570bcdc39bf1a3fbc7cd6a0f7672c80
4. 0x271154e0de427e08b72912efa426b1832796b25713ee87a0674889f36bffa5de
5. 0xcb4ab4d5ec62085514cbba67dbad644c0ccd4b8c17abae824736cf614e2e7d95
6. 0x9b284c28fbd1d4bfb7d498b33e328183b6dd612d37b4761714fb9174ebc41a4d
7. 0x134a54c0a6ba708973bf2ee3959fb850cb667fbc69adf4ee8ee8a07729494d76
8. 0x39fb57078dc9c97a739715891aa93aaa1f4ee4294989abc0017d50c26bf35b5d
9. 0x78fde7b709e6e55ad9a4e9212d8138abddd3ae38821487602e87956fa71abd08
10. 0x98005a23cbe74a9cdea08497a91d96ddecf46b8942b406963266e78529eea12d
11. 0xf02ec0f13d875e636ca9d24097cc2a185cdb09429c8c4ade598b8089f42bb140
12. 0x19537c574979327583a539261287714af2eee831125de819abab0f155acd3a75
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae