Evidence row 531997

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Delete a page: its URL stops working at once. The maker gets only a brief undo in the dashboard, then it is purged for good (there is no restore tool). Only use it when the human asked for deletion; to hide a page reversibly, use unpublish_page instead. Returns { ok, id, deleted }; fails with page_not_found if the id is not in this space or is already deleted.",
      "inputSchema": {
        "properties": {
          "page_id": {
            "description": "The page id: the `id` field from publish_page or list_pages (also the last path segment of the page URL, …/docs/<page_id>). Only pages in the connected maker's space are visible.",
            "type": "string"
          }
        },
        "required": [
          "page_id"
        ],
        "type": "object"
      },
      "name": "delete_page"
    },
    {
      "description": "Fetch one page by id: metadata always ({ id, title, url, project, views, live, workEmailGated, hasDraft, createdAt, updatedAt, visibility }), plus the stored HTML when include_html is true. Read-only. Use it to read a page before editing it with update_page; use list_pages to find ids or browse. Fails with page_not_found if the id is not in this space or the page was deleted.",
      "inputSchema": {
        "properties": {
          "include_html": {
            "description": "Default false. true adds `html`: the document exactly as stored (the source you or the maker published, before serve-time injections). Can be large; only ask for it when you need the content.",
            "type": "boolean"
          },
          "page_id": {
            "description": "The page id: the `id` field from publish_page or list_pages (also the last path segment of the page URL, …/docs/<page_id>). Only pages in the connected maker's space are visible.",
            "type": "string"
          }
        },
        "required": [
          "page_id"
        ],
        "type": "object"
      },
      "name": "get_page"
    },
    {
      "description": "List every page in the maker's space, newest first, with no paging: { total, pages: [{ id, title, url, project, views, live, workEmailGated, hasDraft, createdAt, updatedAt }] }. Read-only. Use it to find a page_id before update_page / get_page / unpublish_page / delete_page, or to reuse an existing project name. Offline pages are included (live: false); deleted pages are not. Pass q to search instead of scanning the full list; use get_page when you need one page's HTML.",
      "inputSchema": {
        "properties": {
          "q": {
            "description": "Optional case-insensitive search over page titles and content. Omit to list everything.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_pages"
    },
    {
      "description": "Publish a new HTML (or Markdown) page to the maker's PubSpace space and get back a live, shareable URL to hand to the human. Pages are unlisted by default — indexed by search engines only if the maker turns that on later (Pro); anyone with the link can view. Use this only for a brand-new page; to change a page that already exists, call update_page so its URL stays the same (find the id with list_pages). Each call creates a page that counts toward the plan's live-page cap; at the cap the call fails with doc_limit_reached and, on the free plan, an upgrade link to relay to the human. Returns { url, id, mode, visibility, dashboardUrl }.",
      "inputSchema": {
        "properties": {
          "html": {
            "description": "Full HTML document (or Markdown when source_type is \"markdown\"). Served byte-faithful apart from documented meta/bar injections.",
            "type": "string"
          },
          "project": {
            "description": "Optional: which body of work this page belongs to (e.g. \"Q3 board pack\"). Groups pages in the maker's library — reuse their existing project names from list_pages when one fits. (Renamed from `product` in v0.16.0; the old name is still accepted.)",
            "type": "string"
          },
          "source_type": {
            "description": "Default \"html\".",
            "enum": [
              "html",
              "markdown"
            ],
            "type": "string"
          },
          "title": {
            "description": "Optional title (used in the dashboard and social cards).",
            "type": "string"
          }
        },
        "required": [
          "html"
        ],
        "type": "object"
      },
      "name": "publish_page"
    },
    {
      "description": "Take a page offline without deleting it: its URL shows an \"offline\" notice to viewers, and the content, id, URL and view count are kept. Pass restore: true to put it back online at the same URL. Prefer this over delete_page when the human wants a page hidden or paused. Calling it twice is harmless. Returns { ok, id, live }; fails with page_not_found if the id is not in this space.",
      "inputSchema": {
        "properties": {
          "page_id": {
            "description": "The page id: the `id` field from publish_page or list_pages (also the last path segment of the page URL, …/docs/<page_id>). Only pages in the connected maker's space are visible.",
            "type": "string"
          },
          "restore": {
            "description": "Default false (take offline). true = put the page back online.",
            "type": "boolean"
          }
        },
        "required": [
          "page_id"
        ],
        "type": "object"
      },
      "name": "unpublish_page"
    },
    {
      "description": "Replace the content of an existing page in place: the same URL serves the new content immediately, so links the human already shared keep working. Use this instead of publish_page whenever the page already exists. The previous version stays restorable from the dashboard for 7 days (Pro keeps full version history). Pass draft: true to stage the update instead: nothing changes for viewers until the maker reviews the previewUrl and presses \"Sync to live\"; use it when the human asked to see changes before they go out. Fails with page_not_found if the id is not a live or offline page in this space.",
      "inputSchema": {
        "properties": {
          "draft": {
            "description": "Default false (publishes live instantly). true = stage the update; relay the returned previewUrl so the human can review and press Sync. A new draft replaces any pending one.",
            "type": "boolean"
          },
          "html": {
            "description": "The complete new document (not a diff). HTML, or Markdown when source_type is \"markdown\".",
            "type": "string"
          },
          "page_id": {
            "description": "The page id: the `id` field from publish_page or list_pages (also the last path segment of the page URL, …/docs/<page_id>). Only pages in the connected maker's space are visible.",
            "type": "string"
          },
          "project": {
            "description": "Optional; omit to keep the existing project.",
            "type": "string"
          },
          "source_type": {
            "description": "Default \"html\".",
            "enum": [
              "html",
              "markdown"
            ],
            "type": "string"
          },
          "title": {
            "description": "Optional; omit to keep the existing title.",
            "type": "string"
          }
        },
        "required": [
          "page_id",
          "html"
        ],
        "type": "object"
      },
      "name": "update_page"
    }
  ]
}

What the leaf hashes

{"body":"b7230813a5c6c71086268c6d5bfb3815906fe4b49bcd6d75f38f036341741be1","id":531997,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793126873267295,"prev":null,"subject":"362de6ca-f3c5-4af3-b7f2-b6560e6c8550","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. 0xcd435faa42ccc9c9d189be51ba99892877759671508c8fd79c6e3fb06e1f5f31
2. 0x20a5457340943cda86b64bb1415836757739e36564691b1087cfa038769f3bbf
3. 0x12d3dfab0f19e1123ab958371d65de98f1be59421001057c9d6c4de8e3374bb8
4. 0x37b2b693c2d2a9b24229de6d130aacbd208b0e2f1458e26a42cd65f016e0fa83
5. 0x33cb1e02133f8083cd917ff271ababa40f80e998717a4a212654cbde96491538
6. 0xf0cd86fabc69f5614ac84ea6863bb701ef40bc71e7c88a3eb87e481b2de35f46
7. 0xd8a8f09870d207f214a8c71143498c2e69f64349acaa5be4e70c7701772a9bbb
8. 0xa5126da877474e9697f15804c6b4c25be05e7833b9ef41bf5b06ddb67b6fe175
9. 0xb673d6c2d49ead96c533587302dd785e912bf0231be31b7e71cc4be46b5ddfd9
10. 0xcb52c2419f740ae43dfba57f29f05efee950cf2cc8aef6a5fabe1be0b3842bf8
11. 0xf6faea553d6354c2881afaf6cc13a2f3a8290ee9597618bbe3c61a828c5e4c23
12. 0x6c0803f2d7123e0bcd2a148e9fde0f429f31dc964ced287e760ee656fcd9912f
13. 0xeb77e9d1884bf470f4a13a5869956a83ac37957112a29ccb9e63ddf7791b5a0b
14. 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4