Evidence row 569892

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":569892,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139545585629,"prev":null,"subject":"461f68aa-5a69-4712-badb-9186234679e4","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. 0x7923cd6a41abeb980f5a924573a17783328a5316a39e33f13462f00ed0e26e66
2. 0xc0b773848b45e2ad9e6ca4cc2cbb2e778a76fd30243925bc5a4bf7d9ee3a84c4
3. 0x249eed2f367b3a60506a13e122c7970e2de73cd1a409d5e11e1612da38cfbfe2
4. 0xffa92b27e78fa31d7268d3a452b520951ab7f67c6870cb4614ed817500232d0a
5. 0xd9cb18bd20ba2273fe8bc0726d4e0b3ad905616238300a3b18fb6038ea4892e9
6. 0x8be2641d37acf38968f1e9bd1c7ee7114ee573c1df6593b1c09ad94036249483
7. 0x6f74523ff75448d249ab106e742fed1f4d5add4f9d8431d0661b238ecfb16f18
8. 0x5f1993637e41f7c0ff81a4594901d5bf95a35b5d5a5f0b08146c3d8f9c4ca32c
9. 0x596688c2246b5bbc40b7ca47a22316b1bf5f3f0e294bfac0b87456f4936ac1c9
10. 0xf3e7a31ee93ed924f1bd85ed728376ed1fab50ff54ebc7726e59e55658112aa3
11. 0xa1e6e989ecb6e1c43313ac525ace9dc4656b12fbac67512d19580139784350ab
12. 0x30b0c1fa0ae50435d58b5b7f993dde40a8bcc3f5956d7e3d31946f1a957684b4
13. 0x8f2d125f5fe55a24b5da16577766eeaa13f24a272bb4c1c016f423ae917da681
14. 0x9848c068b1371232529d2b5738fdc45b854c57da041b69ea7c9e112b14e2d9d1
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4