Evidence row 309186

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Use when someone asks what changed between a filing and the one before it, such as this year's 10-K against last year's. Compares the filing with the preceding available reporting period of the same company and form. Returns full sentence-change counts and bounded examples for up to eight sections, and reports when no prior filing is available. It is a sampled comparison, not a complete redline.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "filing_id": {
            "pattern": "^\\d{1,10}-\\d{18}$",
            "type": "string"
          }
        },
        "required": [
          "filing_id"
        ],
        "type": "object"
      },
      "name": "compare_filing"
    },
    {
      "description": "Use when someone asks for the reported numbers in one filing, such as revenue, net income or total assets. Returns XBRL facts tagged to that filing's accession, for the API's ten supported concepts: up to 200 reported values with units and periods. It does not return all periods for a company and it does not give investment advice.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "filing_id": {
            "pattern": "^\\d{1,10}-\\d{18}$",
            "type": "string"
          },
          "limit": {
            "default": 50,
            "maximum": 200,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "filing_id"
        ],
        "type": "object"
      },
      "name": "filing_facts"
    },
    {
      "description": "Use when someone asks for a company's recent SEC filings, such as its latest 10-K, 10-Q or 8-K, by ticker or CIK. Works for any company in the SEC's ticker list. Returns up to 20 filings from the company's recent EDGAR window, each with a filing id, form type, dates, accession number and original SEC link.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "form": {
            "enum": [
              "10-K",
              "10-Q",
              "8-K",
              "10-K/A",
              "10-Q/A",
              "20-F",
              "40-F"
            ],
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "ticker": {
            "description": "A ticker in EDGAR spelling (BRK-B), or a CIK such as 320193.",
            "pattern": "^[A-Za-z0-9.-]{1,13}$",
            "type": "string"
          }
        },
        "required": [
          "ticker"
        ],
        "type": "object"
      },
      "name": "list_filings"
    },
    {
      "description": "Use when someone asks what a filing says in one section, such as risk factors or the business description, or wants the list of sections in a filing. The filing id is one that list_filings returns. Without a section it returns the section index with no text. With a section it returns the text, at most 20,000 characters, with the original length and a flag that marks a cut.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "filing_id": {
            "pattern": "^\\d{1,10}-\\d{18}$",
            "type": "string"
          },
          "max_characters": {
            "default": 12000,
            "maximum": 20000,
            "minimum": 500,
            "type": "integer"
          },
          "section": {
            "pattern": "^[a-z0-9-]{1,80}$",
            "type": "string"
          }
        },
        "required": [
          "filing_id"
        ],
        "type": "object"
      },
      "name": "read_filing_section"
    }
  ]
}

What the leaf hashes

{"body":"39a36963e8baa2a86231dc96e5ef5dce43fc8f793051a429377e32dc2fb1e855","id":309186,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793058740831131,"prev":null,"subject":"b7d91c07-7cd9-432f-a030-7e943c7d5648","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. 0xa363235653fd788266a5917780edb963e0bce354d9e1c6f1d15b7b881926b603
2. 0xd621756756f4feac0c95d9e3997cbe35895454f41016ceebd4d484c9006a6a20
3. 0x48c49d56d8eb069c20fc8cf4c4da3c55a7479676f3175b136a0af8a52c65ac83
4. 0x99c6301b0c1accceaacb95644abc9010e2ed3abbc6bc88db93b17c1018796520
5. 0x56b4cc40c3137f634e824b97abe0bca97d08c838de5aed11fa086347641ae5aa
6. 0x56a53a72a773f2b7ac09cc1937321b60c2e7b8aea6b5c4c7d971375bc046178e
7. 0x4fec30fd7341bbae9e1fb3914be1fc5b4c35db60c2ddee91d439543e66b5cdfb
8. 0x87d5545da92ebbaddf1466ac58c8a0f4f583cd830df19243c7cf6fe4a41c936d
9. 0x7fbb97fc75b5046e2d155caf9d940b742af355ae952b98e9021a7fb3d4e3d539
10. 0xbf9e8e8193260b284eff6ae5de9bd74a29a95af639484d57bcbf0408a7dd8030
11. 0xf02ec0f13d875e636ca9d24097cc2a185cdb09429c8c4ade598b8089f42bb140
12. 0x19537c574979327583a539261287714af2eee831125de819abab0f155acd3a75
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae