Evidence row 578727

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Calculate Polish contract and tax net income comparison for a company budget or UoP gross across UoP (employment), Umowa Zlecenie (mandate), Umowa o Dzieło (work contract), B2B (progressive, linear 19%, lump-sum/ryczałt), and Spółka z o.o. (board member resolution).",
      "inputSchema": {
        "properties": {
          "budget": {
            "default": 12000,
            "description": "Total monthly company employer budget in PLN (e.g. 15000).",
            "type": "number"
          },
          "costs": {
            "default": 0,
            "description": "Monthly business operating costs in PLN for B2B.",
            "type": "number"
          },
          "grossUop": {
            "default": null,
            "description": "Gross employment contract salary if inputMode is uop_gross.",
            "type": [
              "null",
              "number"
            ]
          },
          "inputMode": {
            "default": "budget",
            "description": "Input mode: budget (total employer cost) or uop_gross (gross employment contract).",
            "type": "string"
          },
          "llcCosts": {
            "default": 600,
            "description": "Monthly accounting and operating costs in PLN for Spółka z o.o. (default 600 PLN).",
            "type": "number"
          },
          "lumpRate": {
            "default": 12,
            "description": "B2B lump sum tax rate percentage if taxation is lump (e.g. 12, 15, 8.5).",
            "type": "number"
          },
          "studentUnder26": {
            "default": false,
            "description": "Whether the mandate contractor is a student under 26 (exempt from ZUS and PIT up to limit).",
            "type": "boolean"
          },
          "taxation": {
            "default": "progressive",
            "description": "B2B taxation type: progressive, linear, or lump.",
            "type": "string"
          },
          "uopUnder26": {
            "default": false,
            "description": "Whether the employment (UoP) employee is under 26 (exempt from PIT up to limit).",
            "type": "boolean"
          },
          "zus": {
            "default": "standard",
            "description": "B2B ZUS type: standard, preferential, or start.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "calculate_polish_income_comparison"
    },
    {
      "description": "Get dated personal estimates of what Bahdan Hal would pay for an exact product in Poland.",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Product slug returned by list_polish_fair_price_products.",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_polish_fair_price_history"
    },
    {
      "description": "Get full product specification, family grouping, and media details for a product slug.",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Product slug returned by list_polish_fair_price_products.",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_polish_fair_price_product"
    },
    {
      "description": "List products with Bahdan Hal’s personal price estimates and dated history in Poland.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_polish_fair_price_products"
    }
  ]
}

What the leaf hashes

{"body":"ed145411374a192bb0f9879f4a3fb92112b1383d431233a3b333e9627ad26d95","id":578727,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793143149883924,"prev":null,"subject":"73adf768-d22b-4293-89bd-64ee0ab915a2","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. 0xab66a2565f40dbd5a13529f97669d67ba30dd9ace520e4fc2570d33c42614263
2. 0xf78d18789c484f2fcfa2fb94d164d9d443bdfc27d502a95595df7e91ae371609
3. 0x4fa4b7dab55d82e0faa4764d775df3b9523d3c174abb149cc602becde4948e42
4. 0x128936e0e736c0fdc8399d4eeea653104ae14c423f0c1d4fb3a8d04b2234f8ec
5. 0xd139becf2ff8691a2f0df9083f570ba174321fc24b4c92ef260ed92131a7441d
6. 0x26100b41408c8edcfbe78b184445f7d910b6213fd2c43a41e3f6b187220cbd9a
7. 0x0ca6caaab394b370143a6aa33f94e13367899b972a39b2ed5b0b3656dc264091
8. 0x4189c2b4f1b332feef75aff99838428c188e3df88c6b8c9d2a69c22b719a8492
9. 0x8e3e9fcb61e0d1220281c20dd9ab84d28834ba04c9064ab60eb52af589d5c55a
10. 0x4cbda852ccf1b96ff7c1de04eb698405e76be19d87a3deb7262011796e29b6d7
11. 0x59cb41ec7d9ac9c74e0f576f6d9ea1041f1f440ad9c2ec9f6107b51d598a3ef5
12. 0xe58ece954b3b0e80c16db5967815baeb4102983fd3dbc48dbb6146da839f558b
13. 0x5e700087f2a5e8fb7372f2c2db037d66942006d666bb45dd92f745011295fa7b
14. 0x98c6ed3e7b5bb7f1757a8660af410226a11dd563bf83010040c2ce059ab45e54
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4