Evidence row 309924

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Run the Day rate take-home calculator calculator: Annual invoice value; Umbrella margin (£25/week); Gross pay (after employer costs); Employer NI (15%, funded from your rate). Missing inputs fall back to their documented defaults.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "dayRate": {
            "default": 500,
            "description": "Day rate",
            "maximum": 5000,
            "minimum": 0,
            "type": "number"
          },
          "daysPerWeek": {
            "default": 5,
            "description": "Days worked per week",
            "maximum": 7,
            "minimum": 1,
            "type": "number"
          },
          "expenses": {
            "default": 0,
            "description": "Annual business expenses (outside IR35 only)",
            "maximum": 100000,
            "minimum": 0,
            "type": "number"
          },
          "ir35": {
            "default": "inside",
            "description": "IR35 status",
            "type": "string"
          },
          "weeksPerYear": {
            "default": 46,
            "description": "Working weeks per year",
            "maximum": 52,
            "minimum": 1,
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "calculate"
    },
    {
      "description": "The inputs this calculator takes (with units, ranges and defaults), the outputs it returns, and the assumptions and tables behind it.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "calculator_describe"
    },
    {
      "description": "Read first. States plainly what submit_enquiry does on Contractor Pay Calculator: it starts an enquiry with human providers who quote directly. Nothing is bought, ordered or paid; no quote is guaranteed; it is free. Also returns who receives the details, the consent wording, and how the person confirms.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "enquiry_describe"
    },
    {
      "description": "Every field of the Contractor Pay Calculator enquiry: key, label, type, whether required, help text and the allowed options where there are any. Pass answers to submit_enquiry keyed by field key.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "enquiry_fields"
    },
    {
      "description": "Submits an enquiry to Contractor Pay Calculator — NOT a purchase, NOT a guaranteed quote. Step 1: call with the answers (keyed by field key from enquiry_fields) and consent=true; it validates and returns a summary, the consent line and a confirmation token — show the person the summary and the consent line. Step 2: only if the person agrees, call again with the same answers, consent=true and the confirmation token; the enquiry is then submitted, and the person receives an email with a link they must click before any provider sees it. Consent means the person has read and agreed to: \"Send my contact details to up to three accountancy and tax firms, chosen by Contractor Pay Calculator, who'll contact me directly. I'll be emailed each firm's name as my details go to it, and can stop any more firms getting them.\"",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "answers": {
            "additionalProperties": {
              "type": [
                "string",
                "number",
                "boolean"
              ]
            },
            "description": "the person's answers, keyed by field key",
            "type": "object"
          },
          "confirmation": {
            "description": "the confirmation token from step 1, after the person has approved the summary",
            "type": "string"
          },
          "consent": {
            "description": "true only when the person has agreed to: Send my contact details to up to three accountancy and tax firms, chosen by Contractor Pay Calculator, who'll contact me directly. I'll be emailed each firm's name as my details go to it, and can stop any more firms getting them.",
            "type": "boolean"
          }
        },
        "required": [
          "answers",
          "consent"
        ],
        "type": "object"
      },
      "name": "submit_enquiry"
    }
  ]
}

What the leaf hashes

{"body":"28e81a24f1cd691e353f47b9368ababc13bb18d0a9fbfbb8a21dcb797a5d8aa0","id":309924,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793059185526848,"prev":null,"subject":"3ab92dc9-d885-4939-91c5-2ff302189b9d","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. 0x33f1aad40d21e3d06c32b66b2097b51191d33fbb09a423f8cc3b8ccd849c6439
2. 0xaaf11dfb606674eba337e27722054b5d49e3e064ca868221c184304d6e8d69aa
3. 0x88301d79c62a5b0275e59cf0e7f5a5baeb68fd92e33992d36d8314655a5fe062
4. 0x6deb6f336f48e0ff347f2468ef4a5d7924412843d9f88bbda5de2e05be5dbbfe
5. 0x9f454c872c93c4ed33502edce8f0365108bfb9061e0b0f7382954a51be440944
6. 0x8431b101b948e436ae738584998dc0fb10b4f1c03a405d6303b4609f19a25f45
7. 0xa8bbf008ec0ab26ae5b190f4c42d902dfe6687f50560f4e393b185d7fc751d4e
8. 0x0b68bd3b37c2077b0e1bd8547053a400b9477294857e484264805b5d5d5b24da
9. 0xb0cb876c305275438f5625256195a4633b377ef42d92a57edc6f5fdd90665e5a
10. 0x177012e4764007ed1fc9fe062981493cb1e87dce78b4d705154fc6b59f179dc8
11. 0x25f1494b636c5e3c47bd014c16b8f4b5df5a8fb62efdc32979420416a8736679
12. 0xe57be1a98d96d75db9e9d2122794eabebfd735dea66e9d16ca63347243b3d483
13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae