Evidence row 519601

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "One bus category in full, by slug, including the related categories worth considering instead.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "e.g. school-bus, cutaway-bus, motorcoach",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_bus_category"
    },
    {
      "description": "How sourcing works here, what capacity bands and fuel types mean in practice, and what the service does and does not do. Read this before telling a buyer what to expect.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_buying_context"
    },
    {
      "description": "The commercial bus categories, each with what it actually is, typical passenger capacity, what operators use it for, and whether it needs a CDL endorsement.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_bus_categories"
    }
  ]
}

What the leaf hashes

{"body":"f69743c90ebb5d3dedb3437bfc4ecaef884fce749c97130a0a8c2216b8cb5807","id":519601,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793122374318825,"prev":null,"subject":"aef7d77a-3ce7-46c7-8285-285abc96dec8","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. 0x8556322fe0d6b502115d5661f276e476b613ae590207c54d8d2ca1ce6ff1d4c6
2. 0x345f66f65bc5e5a236232f6cc5681e1f897f4d41cd574811d8aa5779e981178b
3. 0x00196fd93e9e1f8e0a00af15bfc304dc743f734e8c0740327f7ad1fb50359ca8
4. 0xb3ab780006a76ac88eefb3e4031baad8ea1f8b86fba18d67d10ffcde23d57d17
5. 0x7837fc0cd1893c1b0a4fbd1e735af3e278091d881492c644daf855d911588758
6. 0x67f3ff01a47802241f7711d0a89323657cb879a32239344b0e5e7c507fd47a9b
7. 0x91542457dd1e2754584e87418ae0d7cfe5853519882df9c4c6e693a8d748ad5c
8. 0xf02518ac46d36536a53f320b4f44b653d990a9a13f1143a087988e9ba6a4e68a
9. 0x8a04da4fc8983d598c4a303c3645f65b559b89a493159f5c5b3fd44eaf010b9e
10. 0x3c150bdbbad54aa1b426f50030643b1678b77c1b17e9e75364dede347df698db
11. 0x94b5117661526893571c5099bb213b21f54068dc9f381d688b9be7c593a99d91
12. 0xe5ce8ac1ba4d6152605e0a032058cac5906d85f82e3fda1ad44852337b713b17
13. 0x07d414626f116f3edc6ddb34183ed02538c3a805fec6db00f9d764f8fd595d04
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4