Evidence row 266798

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Net salary after income tax and social contributions for an employee in one of ten countries (uk, us, ca, au, in, br, pl, fr, de, es), computed live by the LifeByNumbers salary calculators (same operator). Takes a gross salary in local currency (annual by default, or monthly with period) and a country code, plus optional state and filingStatus for the US, province for Canada, region (england|scotland) for the UK and region (madrid|cataluna) for Spain. Returns gross, net and total deductions (each annual and monthly), a line-by-line breakdown typed as tax / social / contribution / repayment, effectiveRate, the tax year the figures apply to, currency, the assumptions behind the estimate and the upstream calculator page as source.",
      "inputSchema": {
        "properties": {
          "country": {
            "description": "ISO 3166-1 alpha-2, lower case: uk, us, ca, au, in, br, pl, fr, de, es",
            "enum": [
              "uk",
              "us",
              "ca",
              "au",
              "in",
              "br",
              "pl",
              "fr",
              "de",
              "es"
            ],
            "type": "string"
          },
          "filingStatus": {
            "description": "US only (default single)",
            "enum": [
              "single",
              "married_joint",
              "head_of_household"
            ],
            "type": "string"
          },
          "gross": {
            "description": "gross salary in local currency, annual unless period is monthly, e.g. 50000",
            "type": "number"
          },
          "period": {
            "description": "period of gross (default annual); results always give both annual and monthly",
            "enum": [
              "annual",
              "monthly"
            ],
            "type": "string"
          },
          "province": {
            "description": "Canada only: two-letter province/territory code, e.g. BC (default ON)",
            "type": "string"
          },
          "region": {
            "description": "UK: england | scotland | wales | northern-ireland (scotland applies Scottish income tax bands; default england). Spain: madrid | cataluna, the autonomous community whose IRPF scale applies (default madrid)",
            "enum": [
              "england",
              "scotland",
              "wales",
              "northern-ireland",
              "madrid",
              "cataluna"
            ],
            "type": "string"
          },
          "state": {
            "description": "US only: two-letter state code, e.g. TX (default CA)",
            "type": "string"
          }
        },
        "required": [
          "country",
          "gross"
        ],
        "type": "object"
      },
      "name": "take_home_pay"
    }
  ]
}

What the leaf hashes

{"body":"ab93ec2fee8f04ccb76b810744e718a3d2d71b26f1ff361868bba0e9962912c9","id":266798,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793035545537410,"prev":null,"subject":"95f5d0b9-2d26-471e-b30e-c60b91f615f8","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. 0x6f62202a703fb16abb41d64f9975f7fa781997dac8ac64393656c6233276b788
2. 0x6e02d685d2c0c5d5aea4deb28a094b0c88542481a5da6343d5fd119481aa4b4f
3. 0xfd046fddc36305029290e1a661796425227de3e0bf7ea9ca974c962e72edde8d
4. 0x29b7bd322ee41bf5d6073848243aae5e59f8644b1d12420b6e43ea218559dbfa
5. 0xcde7c15808c577c3bf6832bcda6556b9a4535268e1cb57a24a4f74a1f2d0877b
6. 0xd36657523e3579c04321fc899d5674343a6d10f1b71a1287442f3e79c4c45669
7. 0xc790b80ec217ce7d905d839637c0425eb86ad618278e087d4f4bda5f94d897b6
8. 0x898b2bda0c77a97c56d5b8dccca35214ad89109959711c38631342bbe67bbb55
9. 0x6f360684aab96ebd487927175b005ec638a71050419c1602b9978b876b5c1866
10. 0x21697b5033eab051196ecfd0591995e96b02c13cc0342e056b639cda759e3630
11. 0xcea975b85294606fde77157e415805eb2b2339729d4782f73ff75ac4682fef10
12. 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae