Evidence row 563418

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Asks the live server whether the site's script is connected right now: the websites with a visitor, how many visitors, and which websites the owner is watching. Needs the site's owner key, the part after #wib= in the watch link create_site returned. Load a page that has the tag before calling it: a tab other than the owner view (it shows up as \"you, testing\"), or a fresh browser context.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "key": {
            "description": "The owner key: the part after #wib= in the watch link create_site returned. Never write it into a file.",
            "maxLength": 4096,
            "type": "string"
          },
          "siteId": {
            "description": "The siteId create_site returned (12 lowercase letters and digits).",
            "maxLength": 64,
            "type": "string"
          }
        },
        "required": [
          "siteId",
          "key"
        ],
        "type": "object"
      },
      "name": "check_live"
    },
    {
      "description": "Creates a whoisbrowsing site with no sign-up and returns its script tag (snippet), one watch link per website, a one-time claim link, a terms sentence for the human and the next steps. Call it once per project; one site can hold several domains. Never write the watch or claim link into a file, commit or log.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "domains": {
            "description": "The websites the tag will run on: host[:port] (e.g. localhost:3000, example.com), or *.host for every subdomain (e.g. *.example.com). A scheme or path is stripped; a host is letters, digits, hyphens and dots (a non-ASCII domain in its xn-- form); www. is the same website as the bare domain; each website is watched separately.",
            "items": {
              "maxLength": 253,
              "type": "string"
            },
            "maxItems": 20,
            "minItems": 1,
            "type": "array"
          },
          "name": {
            "description": "A label for the site. Defaults to the first domain.",
            "maxLength": 100,
            "type": "string"
          }
        },
        "required": [
          "domains"
        ],
        "type": "object"
      },
      "name": "create_site"
    },
    {
      "description": "Returns the install guide (Markdown) for one platform: where the script tag goes, a Content-Security-Policy note and how to verify. Call it without a platform, or with an unknown one, to get the list of platforms.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "platform": {
            "description": "The platform's slug: react, angular, astro, framer, ghost, nextjs, nuxt, html, remix, squarespace, svelte, vue, webflow, wix, ai-agent, wordpress, shopify. Common names such as \"Next.js\" work too.",
            "maxLength": 40,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_install_instructions"
    }
  ]
}

What the leaf hashes

{"body":"4fb486c0a24fbab8d436a9643656ca0d2c4075545567f7cf3e367a6976fcaa07","id":563418,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137708634808,"prev":null,"subject":"e2bee47b-26af-4e11-a118-ebefd6c65699","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. 0xe48fa00f5c58780fc3b1fcb7bda1375350906e5d71774ddda353dd730cabd343
2. 0xb96b534f7175edb9568bfb325371df38b231c4195462c83ba2432382c4345166
3. 0x757e75df3280d096ad5ce77b32845362e2dfed48893f20a5de95da685155ff18
4. 0x2dfc15a9074834963d5f95ed620b37c430dd16f368d6dcb456ed786e5053de26
5. 0x5c7b4ce2e21471a876c2913c0d1a49a2ccd7add06cea4554abac260ba5bfa715
6. 0xa3e24445ef367e152909103959ee0d52994ddcdc54dfc5bb95272ed6a02bde73
7. 0xa3fb2d4e20dbf2e2d0f3cf3e6eb21cd017bc4445839f37b75a666579aecc2cb1
8. 0xfa70aa3bd420d658ea743ec43c19f6c6a83773c45710123eaaf7c3262e071eb6
9. 0xad0c8d97f7e12d2b7221b6a7f1434123481cef95f8265e1c299168830d62e094
10. 0xf43ec63a3f9fa25173180abb7567056ab830871cfcea8062ffeb94b071fa8fa6
11. 0x79b5848e3de58e55a9bc31f0b9fac7eaaa02831210ebc21da7db3a90dc579124
12. 0xc1d2a56a84338ae3b69b3423e631069ac48cf802439f26d41941f651ac2c28a1
13. 0xd98ea318b514153f74841c90aff18a807e61314ec99610bf3bdbb7219da01cbd
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4