Evidence row 1475304

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "Counts South African working days between two dates (inclusive), excluding weekends and public holidays. Optionally counts Saturdays as working days. Useful for notice periods, payment terms and delivery dates.",
      "inputSchema": {
        "properties": {
          "end": {
            "description": "YYYY-MM-DD",
            "type": "string"
          },
          "include_saturdays": {
            "default": false,
            "type": "boolean"
          },
          "start": {
            "description": "YYYY-MM-DD",
            "type": "string"
          }
        },
        "required": [
          "start",
          "end"
        ],
        "type": "object"
      },
      "name": "business_days_between"
    },
    {
      "description": "Returns BCEA minimum leave (annual, sick, family responsibility), notice period and retrenchment severance pay for an employee, given days worked per week, start date and pay.",
      "inputSchema": {
        "properties": {
          "as_at": {
            "description": "Date to evaluate, default today",
            "type": "string"
          },
          "days_per_week": {
            "description": "Days worked per week, e.g. 5 or 6",
            "type": "number"
          },
          "start_date": {
            "description": "Employment start, YYYY-MM-DD",
            "type": "string"
          },
          "weekly_wage": {
            "description": "Ordinary weekly wage in rand (for severance)",
            "type": "number"
          },
          "worker_type": {
            "default": "general",
            "enum": [
              "general",
              "farm",
              "domestic"
            ],
            "type": "string"
          }
        },
        "required": [
          "days_per_week",
          "start_date"
        ],
        "type": "object"
      },
      "name": "leave_and_termination"
    },
    {
      "description": "Checks whether an hourly, daily, weekly or monthly wage meets South Africa's National Minimum Wage on a given date (farm and domestic workers included). Returns the legal minimum, the shortfall and monthly equivalents.",
      "inputSchema": {
        "properties": {
          "amount": {
            "description": "Wage in rand",
            "type": "number"
          },
          "date": {
            "description": "YYYY-MM-DD, default today",
            "type": "string"
          },
          "hours_per_day": {
            "description": "Ordinary hours per day (needed for day). Default 9",
            "type": "number"
          },
          "hours_per_week": {
            "description": "Ordinary hours per week (needed for week/month). Default 45",
            "type": "number"
          },
          "period": {
            "enum": [
              "hour",
              "day",
              "week",
              "month"
            ],
            "type": "string"
          },
          "worker_type": {
            "default": "general",
            "enum": [
              "general",
              "farm",
              "domestic",
              "epwp"
            ],
            "type": "string"
          }
        },
        "required": [
          "amount",
          "period"
        ],
        "type": "object"
      },
      "name": "minimum_wage_check"
    },
    {
      "description": "Calculates BCEA pay for a pay period: ordinary hours, weekday/Saturday overtime (1.5x), Sunday work (1.5x if ordinarily worked, else 2x), and public holiday work (s18). Flags breaches of overtime limits and checks the BCEA earnings threshold (employees above it have no statutory overtime entitlement).",
      "inputSchema": {
        "properties": {
          "annual_earnings": {
            "description": "Regular annual earnings, to test the BCEA threshold (optional)",
            "type": "number"
          },
          "date": {
            "description": "YYYY-MM-DD, default today",
            "type": "string"
          },
          "hourly_rate": {
            "description": "Ordinary hourly rate in rand",
            "type": "number"
          },
          "ordinarily_works_sunday": {
            "default": false,
            "type": "boolean"
          },
          "ordinary_daily_hours": {
            "default": 9,
            "description": "Hours in a normal shift, for public holiday minimum. Default 9",
            "type": "number"
          },
          "ordinary_hours": {
            "description": "Ordinary hours worked in the period",
            "type": "number"
          },
          "overtime_hours": {
            "default": 0,
            "description": "Weekday/Saturday overtime hours",
            "type": "number"
          },
          "public_holiday_hours": {
            "default": 0,
            "type": "number"
          },
          "public_holiday_is_ordinary_workday": {
            "default": true,
            "type": "boolean"
          },
          "sunday_hours": {
            "default": 0,
            "type": "number"
          },
          "weeks_in_period": {
            "default": 1,
            "description": "Weeks covered, used to check the 10h/week overtime cap. Default 1",
            "type": "number"
          }
        },
        "required": [
          "hourly_rate",
          "ordinary_hours"
        ],
        "type": "object"
      },
      "name": "overtime_and_premium_pay"
    },
    {
      "description": "Lists South African public holidays for a year, including Sunday-to-Monday substitutions and once-off declared holidays (e.g. election days).",
      "inputSchema": {
        "properties": {
          "year": {
            "description": "e.g. 2026",
            "type": "integer"
          }
        },
        "required": [
          "year"
        ],
        "type": "object"
      },
      "name": "public_holidays"
    },
    {
      "description": "Calculates monthly UIF (1% employee + 1% employer, capped at the R17,712 ceiling) for one or more employees, and the employer's Skills Development Levy (1% of payroll, exempt if annual payroll is under R500,000).",
      "inputSchema": {
        "properties": {
          "annual_payroll_estimate": {
            "description": "Employer's total annual payroll, for the SDL exemption test. Default: monthly total x 12",
            "type": "number"
          },
          "monthly_remuneration": {
            "description": "Gross monthly remuneration per employee, in rand",
            "items": {
              "type": "number"
            },
            "type": "array"
          }
        },
        "required": [
          "monthly_remuneration"
        ],
        "type": "object"
      },
      "name": "uif_sdl_contributions"
    },
    {
      "description": "Free to call. If you needed South African data that none of these tools provide (a cost, rate, rule, price or place we don't cover), describe it here in one sentence. We review these every week and build the most-requested data first.",
      "inputSchema": {
        "properties": {
          "context": {
            "description": "Optional: the kind of task it was for, e.g. 'renovation quote' or 'payroll run'.",
            "type": "string"
          },
          "need": {
            "description": "What information you were looking for, in one sentence.",
            "type": "string"
          },
          "region": {
            "description": "Optional: province or town, if it matters.",
            "type": "string"
          }
        },
        "required": [
          "need"
        ],
        "type": "object"
      },
      "name": "unmet_request"
    }
  ]
}

What the leaf hashes

{"body":"2b116c93501fa5cbd75da596ef663830e4392e493afa2ca596bd0d5849f5e01e","id":1475304,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793415896299923,"prev":null,"subject":"ffb2c26e-4d4a-4270-8565-bb02a1678c99","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x4d96872840f66ef69a8582a1218bde3853e71a94c2b528de5d2dd9829e96373e
2. 0x2d8965824de1b6c8ff015dc4479c73de9b5a36209ebd3cac41a25e2a0c05bcf4
3. 0x26880def39b368de24f995294a3b101c8092d0285ca1cb3e24f708354ddd5d3b
4. 0xf0535c89ef4ccf603760bcd5fc3544eff1cf55b4118d1e77084da87bc53c775a
5. 0xa9dee706415126bc0d6c1b670354a448c37dd766e3e0b5c2494251cf3ec2bc66
6. 0xbffaa51ed1c4f9bdbf1cb66d695d1f2d59c612c7ae7fb3eb65f96918b5154cf4
7. 0xa138d5361069009d1633a5e5f1c3a5bfaa5da844def2002d8f053ae2af673550
8. 0xfe477a1502553be865083467a86c98c77d91f5dfd30c49554c0323e6ca19311c
9. 0xa2a07235c428876e910a2910439ae3b1a42fae2365043b42dda375f8e0f16445
10. 0xb6745c66b93d566b80865e16a392f5df53ec907c71ba3e46a892a88a46c26d1d
11. 0xf49bb5c098c7379ad7d95db260fb8e602a114ea08d72adebebdc083d7cbbbbed
12. 0xd8082ac82a3597a5d01801914570acfd58eb4768c625e0c1bea0c5481620828a
13. 0x3b31ad2e230b4adddfd3db6e960243f893810b5bd12d29f0e9a17684e7acb3b6
14. 0xa61ca0b664c5ff2f545d3f92e3125f2b38c2b4e58fd9a71badfd8a85dda4c936
15. 0x37f0ccf90cd9ba8759ef0154382593820880794592760020f095a3628e43fc3f
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0