Evidence row 265034

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Validate a PDF against PDF/UA-1 with veraPDF and list every failed rule (rule id, description, number of failed checks, link to a plain-language explanation). The automatic fix is then run on the file and validated again, so the result also says which failures the fix removes and whether the file then passes — measured on this file, not estimated. Give either 'url' (a public http(s) address of the PDF, max 10 MB) or 'pdf_base64'. The file is not stored and the fixed file is not returned here.",
      "inputSchema": {
        "properties": {
          "language": {
            "description": "Document language the fix sets when the PDF declares none (BCP 47, e.g. en-US, de-DE, fr-FR). Default en-US.",
            "type": "string"
          },
          "pdf_base64": {
            "description": "The PDF file encoded as base64, if it is not online (max 10 MB decoded).",
            "type": "string"
          },
          "url": {
            "description": "Public http(s) URL of the PDF (max 10 MB).",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "check_pdf_accessibility"
    },
    {
      "description": "Explain a veraPDF PDF/UA-1 rule by id (clause-test, e.g. 7.1-3, 7.3-1, 7.18.5-1, 7.21.4.1-1): what it checks, the veraPDF error message, whether the automatic fix removes it and how to fix it in the authoring tool.",
      "inputSchema": {
        "properties": {
          "rule": {
            "description": "Rule id, e.g. 7.1-3",
            "type": "string"
          }
        },
        "required": [
          "rule"
        ],
        "type": "object"
      },
      "name": "explain_pdfua_rule"
    }
  ]
}

What the leaf hashes

{"body":"3bce17784882ad5af80e883ff49a358a31e0b161ec67b4293e9672fd050bccb8","id":265034,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793034580877325,"prev":null,"subject":"e828b965-0cf9-4bfc-8149-87ca07aa3e22","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. 0x1ecafdf6ac6b449d90220edaf594b22ac48d9f90b4462c6ae35b69dfd123cd7c
2. 0xbd367053ea47f40b3782927ba2dd62d9a5d8d834db280f4edd8fd3284b98afd3
3. 0xe0e71aa25cb0ce789a32bacbf32c3d08753ff068b79ce94565eeeaf6751a359e
4. 0xbef795c8eefe7d7b91530cc0bc9c9824a04656a6c47abcb1bcfe0682f1d13e94
5. 0x87c727c438b9d8a9f051327c3cf44b3944ad93645c64e86dce767cc2d423f958
6. 0x058becafca0f0a92112e08ca00d6aa0e91ed74b33c0134d61e49991090010594
7. 0x871a59517ece51150f2bba253bc7ac598e51728f1d3827ea3a4e607620cb436b
8. 0x030ac28258a1228d6432dec1d7da9521904d19c1496524d960073c4e4b642773
9. 0x5a7e05e25fa170c0b14e7cff0079d732f06fb97b43c52bdd5dbc6c0be91583a0
10. 0x4d2aba33e7e89002d03246762c55699d2d86e41f6cf4b5863558950cb1a7cb50
11. 0x3e9f4dee30700b7fef683685ce6c4e483a5869ff14413228fe9abfbaa1a7cd3c
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae