Evidence row 307493

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Look up a company by registry number in Sweden (SE), Norway (NO), Finland (FI) or the UK (GB): official name, legal form, active/dissolved status, bankruptcy or liquidation, registration date, address and industry codes (+ employees, website, VAT where available). Official registry data. Costs $0.01 (USDC on Base, x402). Not charged if the company isn't found.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "country": {
            "default": "SE",
            "description": "Country of registration: SE (Sweden), NO (Norway), FI (Finland), GB/UK (United Kingdom). Default SE.",
            "enum": [
              "SE",
              "NO",
              "FI",
              "GB",
              "UK",
              "se",
              "no",
              "fi",
              "gb",
              "uk"
            ],
            "type": "string"
          },
          "id": {
            "description": "Company registry number: Swedish organisationsnummer (556632-2938), Norwegian organisasjonsnummer (923609016), Finnish Business ID (0112038-9) or UK Companies House number (00445790).",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_company"
    },
    {
      "description": "Key figures from a company's latest annual accounts in Sweden (SE), Norway (NO) or the UK (GB): revenue, operating profit, net profit, total assets, equity, equity ratio, cash, liabilities and employees, with previous year, growth and margins. Costs $0.05 (USDC on Base, x402). Not charged if no machine-readable accounts exist. Small UK companies often file balance-sheet-only accounts.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "country": {
            "default": "SE",
            "description": "Country of registration: SE (Sweden), NO (Norway), FI (Finland), GB/UK (United Kingdom). Default SE.",
            "enum": [
              "SE",
              "NO",
              "FI",
              "GB",
              "UK",
              "se",
              "no",
              "fi",
              "gb",
              "uk"
            ],
            "type": "string"
          },
          "id": {
            "description": "Company registry number: Swedish organisationsnummer (556632-2938), Norwegian organisasjonsnummer (923609016), Finnish Business ID (0112038-9) or UK Companies House number (00445790).",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_company_financials"
    },
    {
      "description": "Checks the format and check digit of a Swedish, Norwegian, Finnish or UK company number. Free.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "country": {
            "default": "SE",
            "description": "Country of registration: SE (Sweden), NO (Norway), FI (Finland), GB/UK (United Kingdom). Default SE.",
            "enum": [
              "SE",
              "NO",
              "FI",
              "GB",
              "UK",
              "se",
              "no",
              "fi",
              "gb",
              "uk"
            ],
            "type": "string"
          },
          "id": {
            "description": "Company registry number: Swedish organisationsnummer (556632-2938), Norwegian organisasjonsnummer (923609016), Finnish Business ID (0112038-9) or UK Companies House number (00445790).",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "validate_company_id"
    }
  ]
}

What the leaf hashes

{"body":"b20dfccf9d52173c4b76e30f9348543740fcabdd85e13f15c993f6dcf7a14dda","id":307493,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793057700476640,"prev":null,"subject":"88f31546-1e80-4130-b051-20125ca0e35d","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. 0x7674039ddead35eb95cceb2f1399eed655a6ba86afd21db5e2821a314a04a0fb
2. 0x2d2e2f3a8b38cd637304615784c4832b2852af7fc8fec085b3501e7ff5533f7f
3. 0x13e8c6e7dcca880da7a45b7526edced4e99a2d43743257fac9a999c8d8c72688
4. 0xfc2c87c5fb790fbdfa451cc304aa6ef371f570bdaae37803d4dad4b6addc044e
5. 0x7e53b35b1566f4f23c45997727c7a34c25abfb70ed953090fc2fb77945ffef73
6. 0xa435b0f4fe98ff2c9347c6f79f0aa20c2e5c6d4ac244cbae7a0cc1573cfe8e0e
7. 0x642e99fb856ac028b76ef35e3585f9fc39fd1e36b1c5ccac46e4ffcc3c8eda4b
8. 0xaa1fd7e7a106c180604dbd76c777edb81e2a439f80d8b9433fb5befd37be3658
9. 0x1ef3a874c5a7717a0b525ca3c5c503addfcf2eb6b24182e4bd1cd04458449b5c
10. 0xf99eec69e7b273c29cfbdaac6b9d0d445684d8769e059a72e77ed52679165ecc
11. 0x2b0f6f9a9d5201404fd0cd99316c4ea1c2b3853278de26cb244fc2433c8b6831
12. 0x8fdfac9874f184de58b63efbdab0fc27674958d741146d02f58b04d3c559cabf
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae