Evidence row 565421

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Run OCR on an image (base64-encoded bytes) and return recognized text.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "image_base64": {
            "description": "The image file contents, base64-encoded.",
            "type": "string"
          },
          "lang": {
            "default": "eng",
            "description": "Tesseract language code (default 'eng').",
            "type": "string"
          }
        },
        "required": [
          "image_base64"
        ],
        "type": "object"
      },
      "name": "ocr_image"
    },
    {
      "description": "Parse a CSV or XLSX file (base64-encoded bytes) into Markdown tables.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "file_base64": {
            "description": "The spreadsheet file contents, base64-encoded.",
            "type": "string"
          },
          "filename": {
            "description": "Original filename (used to detect .csv vs .xlsx).",
            "type": "string"
          }
        },
        "required": [
          "file_base64",
          "filename"
        ],
        "type": "object"
      },
      "name": "parse_spreadsheet"
    },
    {
      "description": "Convert a PDF (base64-encoded bytes) to Markdown, one section per page.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "max_pages": {
            "default": 100,
            "description": "Maximum pages to extract (default 100).",
            "type": "integer"
          },
          "pdf_base64": {
            "description": "The PDF file contents, base64-encoded.",
            "type": "string"
          }
        },
        "required": [
          "pdf_base64"
        ],
        "type": "object"
      },
      "name": "pdf_to_markdown"
    },
    {
      "description": "Fetch a public http(s) URL and return its main text content as plain text.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "url": {
            "description": "The http(s) URL to fetch. Private/loopback hosts are rejected.",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "url_to_clean_text"
    }
  ]
}

What the leaf hashes

{"body":"16a2570fa01fabd6c38403b1bc69e03013706a9fa1e95d9ae29e8d2dc1ea8c84","id":565421,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138155767534,"prev":null,"subject":"227b5aa0-edab-419b-8cba-6a6a4f91520b","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. 0xc9136fa30a25eaef7f2956135873f80e557040412a532f9521c5cac749153be4
2. 0x0a6f5cf8053f70d5ddafa596d3f0081fa9ff13292337b4e13dc483cc354f04f5
3. 0x8091dfc3de2dc7dc3ff9e83f43e4cdc3830e343bef55ce710533c6a71cad5ebd
4. 0x9b2f52883584e20acc03ddb58585d806319c07c9067c57fabaaa0d57196bf8a0
5. 0x125b9a4585fe72d3d63ab2dbd1a80212da91c4c62fbcaa0ae42ee9f965c5b256
6. 0xf6388ad1ea694d0ebf5e670a1a417ac343b33ad9d9909038dd7fbe94be81fef6
7. 0x99ed4ca3d8bd242dfc9c3b082c0d81bd49474023584405179dbe2b3b15f05234
8. 0x0f9a561f051496f2c88ea7e0ba1ec6d7b791c8586b05f599456e16059f429331
9. 0xf7e4abc3b39decb3b7b07e51f972237b0b96a73d0e8f279fdf47a1c0a839582f
10. 0x4277a4824a2d736f4a1c4b1cd631817841bf312f2a5427a5e9afa71523cd9ca8
11. 0x2cf261bd2238b74a95bc8d9823ad293037abc046c04aeff157cde0c97263ed73
12. 0xd16d7e5f125e1d777c4add2d34626605aa2a6b03288469395f9c1f401de8e9e1
13. 0x938752e9acd199cd15f468392bc2dd8eefc52293e7144e30b87b241ca6b2513b
14. 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4