Evidence row 383617

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Validate Presio notes/media sidecar attachments in a PDF. Same as POST /api/check.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "pdf_base64": {
            "description": "PDF file contents, base64-encoded",
            "type": "string"
          }
        },
        "required": [
          "pdf_base64"
        ],
        "type": "object"
      },
      "name": "check_pdf"
    },
    {
      "description": "The guide to building a Presio plugin: the workflow (a presio-<name> GitHub repo from the template, the checker, a tag, and a ?plugins= link that loads it), the manifest, and the full window.presio API. Read it before writing a plugin. Same as GET /plugins.md.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "plugin_guide"
    },
    {
      "description": "Upload a PDF to start a local Presio presentation. Returns a url — open it in a browser to finish handoff (skips share). To replace an existing presentation's deck instead of creating one, pass its session_id plus controller_token (the t= parameter of the url from the original create call) and the same link keeps working. Same as POST /api/present.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "controller_token": {
            "description": "Controller token for that presentation — the t= query parameter of the url returned when it was created. Required whenever session_id is given.",
            "type": "string"
          },
          "filename": {
            "description": "Original filename, e.g. deck.pdf",
            "type": "string"
          },
          "pdf_base64": {
            "description": "PDF file contents, base64-encoded",
            "type": "string"
          },
          "session_id": {
            "description": "Id of an existing presentation to update in place (from an earlier present response) instead of creating a new one",
            "type": "string"
          }
        },
        "required": [
          "pdf_base64"
        ],
        "type": "object"
      },
      "name": "present_pdf"
    }
  ]
}

What the leaf hashes

{"body":"fce0af86ea485cb94624869f7a6a6250a8167aa848533cbb70bd2b440e32f6f5","id":383617,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793060065569880,"prev":null,"subject":"36efb568-445c-4cc1-9af8-450337688141","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. 0x1ed5f16501a6c0c433143903bd240cb84144ee2b1ce4053b346a5978d55a26dc
2. 0x8a703c562ae997afb1e8529e14d88a8bc4305ee3eae41917b5f5110129ab7cf9
3. 0xc6828fb0d44afd8fe45ec8bae0fa45fa3e8eb711215f690b36e0769cf8ba7eef
4. 0xf0bf02ea94e0fb223642b0ed3e9540292c476b9dcf9cd3ba6484c424f259189e
5. 0x74fe36883e09d460253ad5444984c9dc30141af1e39a5b80d7488f2c7bcf86e2
6. 0xe315b49c59a00193923920ee823b560f4f80d8d1fc7da0ef6b3e08cb7d53b04e
7. 0xea31acfcdc5e85e95c304d466f7b8f455f860bdd28033c47a7f52e729ae90cee
8. 0x523779822c3a683e563dde10c10fcd04da089b3fc41f88f0bed3671ea03cf210
9. 0xa06b3887dde525f25472c16f90922069dd25625c6fad3fa6de60bf70a8e95403
10. 0x5171f61d612a93dc680fbfc78ac3223d7ff521c2194aa8e106ac103255cddf6d
11. 0x10a7d284e5d0e6c4aff38e50b7c14cb6d010062ca405b7c8241a7fb870976316
12. 0x1276a7e4ec7c4267314f92b0c9f8dc98019d1010040392c7895dfca3d1733388
13. 0x51f03aa38686601dad27c1b6449721baba5becb2342776edd179ef9189d62f57
14. 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4