Evidence row 989883

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Price ranges for a home project from Chet's cost guides, every figure with its published source. The guides cover the San Francisco Bay Area so far. Returns the closest guides, or the list of all guides when none fits.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City of the property, if known, for example \"Oakland\".",
            "maxLength": 60,
            "type": "string"
          },
          "project": {
            "description": "What needs doing, for example \"water heater replacement\" or \"electrical panel upgrade\".",
            "maxLength": 500,
            "type": "string"
          }
        },
        "required": [
          "project"
        ],
        "type": "object"
      },
      "name": "get_cost_guide"
    },
    {
      "description": "How Chet works, what it costs, where it works and who sees the homeowner's details. Use it before suggesting Chet or when someone asks about it.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "how_chet_works"
    },
    {
      "description": "Builds a link that opens Chet's request form with the homeowner's project already filled in. Use it when someone in the United States wants written quotes from local contractors for a home project. Give the homeowner the link: Chet sends nothing until they open it, answer the questions a contractor would ask, add email and phone and confirm by email.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "project": {
            "description": "The project in the homeowner's words, one or two sentences, for example \"Replace a 50 gallon gas water heater in the garage\".",
            "maxLength": 500,
            "type": "string"
          },
          "zip": {
            "description": "5-digit US ZIP code of the property, if known.",
            "pattern": "^[0-9]{5}$",
            "type": "string"
          }
        },
        "required": [
          "project"
        ],
        "type": "object"
      },
      "name": "start_quote_request"
    }
  ]
}

What the leaf hashes

{"body":"007dcfb536c8969e97d27144e16fb70f249a29eb0feca85ac0273a4f9d299905","id":989883,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793243684019640,"prev":null,"subject":"8d1ca015-dfdb-4a37-b005-2283a75edc70","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x68b625d2d70b6dd205eef83ff08f13559c3569f4c559364ee874ea04faef7747
2. 0x3860f241e5b1770d24732d57c574abcb44ec5feaed98983f1ce282b1dcc0968e
3. 0x4761447befe705463773614f6e61aed2dd508df2fa7663b749d2caa39140df52
4. 0x5d5275e3ed5c312577c0a318aba7a61bb7a043cade5ba90db30b97772b15a5be
5. 0x569dd10040aad0ceb41395640bfcf06185260e9fcbec5162f98b43fac42c0ece
6. 0x4531e4a9e290691481517179bdda25863bcbeeea878af9b3e44d0ac6e89cd165
7. 0x9c155b2f9b9311122bec3b731a21bf892800ca500d359f3707b1d25f4b0232c0
8. 0x87b45cfd61bca8a63b657a9fbce63f0ac091a30ef7e4debb147dba66cc289db8
9. 0x550a30e08c7710057db956b2839f89ad8798743abe5f7e57b57b3f780f9fcadf
10. 0x98d97538ecdc092781d7d3ea5f632818762a37f133101cd08cd3d5806d6fee83
11. 0x368916cd85b581292ba703222eb59932f6be86b544ef6097e428f1cd0ce86689
12. 0x34927fba5659d7476b2ececd1a2c505e299813f72ef221044c8a736cb85df401
13. 0x0a70f94ba839c32042590eb96f6114034cb5b3ed8dd1b48fb4158efe13cb8084
14. 0xec2e740df411d32a080c5e65c8b0ca511ad665b213532cee58525a97aebd2893
15. 0x60b5befbd81f025904c8a3936b7ba86e3245ad5b37c615d01d42aa3227e3ed2e
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1