Evidence row 306446

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Publish a new text post and return its slug, public URL and edit_key. Content is Markdown (paragraphs, headings, bold, italic, lists, quotes, code, links, and images via external https URLs — images are embedded, never hosted). The returned edit_key is shown exactly once and cannot be recovered. Keep it in context — without it the page can never be edited or deleted again.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "content": {
            "description": "Markdown content of the post.",
            "minLength": 1,
            "type": "string"
          },
          "title": {
            "description": "Title of the post. The URL is derived from it and never changes afterwards.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "title",
          "content"
        ],
        "type": "object"
      },
      "name": "create_page"
    },
    {
      "description": "Permanently delete a post. Requires the edit_key. The slug is never reused and the deletion cannot be undone.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "edit_key": {
            "description": "The key returned by create_page.",
            "type": "string"
          },
          "slug": {
            "type": "string"
          }
        },
        "required": [
          "slug",
          "edit_key"
        ],
        "type": "object"
      },
      "name": "delete_page"
    },
    {
      "description": "Fetch a published post by slug. Public — no edit_key required.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "slug": {
            "description": "The slug from the page URL.",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_page"
    },
    {
      "description": "Replace title and/or content of an existing post. Requires the edit_key from create_page. The URL stays the same even when the title changes.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "content": {
            "type": "string"
          },
          "edit_key": {
            "description": "The key returned by create_page.",
            "type": "string"
          },
          "slug": {
            "type": "string"
          },
          "title": {
            "maxLength": 200,
            "type": "string"
          }
        },
        "required": [
          "slug",
          "edit_key"
        ],
        "type": "object"
      },
      "name": "update_page"
    }
  ]
}

What the leaf hashes

{"body":"e942d8dda4d2d62b6e680488d23c5bffcf3214981debcdf22b0e98ae46136eb1","id":306446,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056991647375,"prev":null,"subject":"f7683ab1-7e57-419c-ba8e-d9503a893878","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. 0x1219b932e39f8e26a62c4207c693107a9270aea31c7ba6cb8378dd00f687c9d5
2. 0x332dd13843494e5c9acc07511fd0f27504a232ae35f32906b38efd6a7ea958e8
3. 0x7b142cd116446d1f727df6b58c959ca813581ad1ee70d9e3b9ca4a0337386842
4. 0x6ddec3af1d31ee46013cf7c3b06ae1bb33b81b1fe699e5578a6fce8f6f8ebdcd
5. 0xe48478c58894d15a22f587d8210e7c1fec7c74a85435b6572c39384ffa7a62ea
6. 0x3caf9e5772cba15cda006611c5d7e784b8192df8f867531f7ee529190b0b25f0
7. 0xe9d28cf72988a07421fa9332007f607da0ad3ee32e57796342c67603ea637240
8. 0xa6a890404cbc3080502b67be5dead0e1faeb2bcb82fb87308721f3c788091c92
9. 0xb3d9cdddc01055d8ee1a1a57cc042cd7833eb5678449159bdb42cc89bafd60df
10. 0x8b074e295bef9ac21d945d10f5903500dd59050adddb16656bd7293d68fee436
11. 0x502ad0a7c2d0bbc45ef3aea37a6ae457822535bcbd44272f1f9e8e4f7166c167
12. 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae