Evidence row 523094

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Retrieve the full text of one document by the id returned from `search`.",
      "inputSchema": {
        "properties": {
          "id": {
            "description": "Document id from search results",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "fetch"
    },
    {
      "description": "Fetch the full clean text of one article by its slug (the last path segment of an article URL).",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Article slug, e.g. \"my-article-title\"",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_article"
    },
    {
      "description": "List the most recently published articles from this publication.",
      "inputSchema": {
        "properties": {
          "limit": {
            "description": "Max results (default 5, max 20)",
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "list_recent_articles"
    },
    {
      "description": "The most-read / most-requested articles, ranked by how often AI assistants have actually fetched them. Use for \"what is your most popular article\", \"top reads\", or to recommend what to read.",
      "inputSchema": {
        "properties": {
          "days": {
            "description": "Look-back window in days (default 30, max 365)",
            "type": "integer"
          },
          "limit": {
            "description": "How many to return (default 10, max 25)",
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "popular_content"
    },
    {
      "description": "Search this site's content. Returns matching documents (id, title, url); pass an id to `fetch` for the full text.",
      "inputSchema": {
        "properties": {
          "query": {
            "description": "Search query",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search"
    },
    {
      "description": "Search this publication's articles by keyword. Returns the best-matching titles, dates, canonical URLs, and short summaries.",
      "inputSchema": {
        "properties": {
          "limit": {
            "description": "Max results (default 5, max 20)",
            "type": "integer"
          },
          "query": {
            "description": "Search keywords",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_articles"
    }
  ]
}

What the leaf hashes

{"body":"e6f66c2c7534f2d57d398340feb076eb9b134358c8eec3f87f9cf11b22346393","id":523094,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793124128289495,"prev":null,"subject":"a83837d0-c2b5-4e70-85ad-3137277ca0cd","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. 0xc390d630cf58313035203968afab58dcdb7d856b7c77cec26c60749ef5c9026a
2. 0xeed140e2a72bfa4afb88ef35e2f5cacc94d0b128d56f23a591b9b8b4be3a073d
3. 0x368fe79556b2b45c15a42c335a4e2e6f4de9c5bd00fd25205dcc0d854fa59a43
4. 0x1480a76815c2e8e742df432a32b73efde5222c035340a92175f544778e0b8a7a
5. 0x76116b9bf34b28cfc61a3bfbe07e4260bb23943c34b61534762a062d30a94cd2
6. 0x69966ac990db213f91dfbcaf073d626b655b20f0f0e7d76d4588dee5a5f16233
7. 0xb500b881ffad318f3b3f2ae0223afad1c222525514d5d847edc82621c8792598
8. 0x48ec46b452fd1fe104e50aa9b0cd9375807d22ebd9414f2f72372bb741284e37
9. 0x1c5d7c02d41b1566106442d1ebe30295ece39dced5215299d20b2d61d23a4202
10. 0xd8334c3990f415a10f80380be5148a1928931c1246120ffbbbd52e9399056159
11. 0x1508fd39a92015f2675aefede1d322b337358ef9cb1fdde46c7fa9276f6b3d5f
12. 0x09c148bbe62d15164b3840b798915bcd800d49ae022a1820cd04cc89b1b4e59a
13. 0xb48b088603004f0a5232faea4acd65999cbb4832f4c15b0098e853144cb91655
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4