Evidence row 1288901

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Read an anonymous public HTTPS HTML, Markdown or plain-text document from the explicit official-source host allowlist. Returns actual static text, anchor URLs, final URL, retrieval time and raw response SHA256. No JavaScript rendering, search, research conclusion, login or paywall bypass. Complete within bounded source/output limits; otherwise fails without truncating. Free Darwin-owned hosting; no provider key required.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "url": {
            "format": "uri",
            "maxLength": 2048,
            "minLength": 9,
            "pattern": "^https://",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "read_official_document"
    },
    {
      "description": "Read an anonymous public HTTPS JSON document from the explicit official-source host allowlist. Returns original decoded jsonText preserving numeric lexemes, final URL, retrieval time and raw response SHA256. No business data is inferred; duplicate keys and invalid JSON fail. No credentials, purchases or auth/paywall bypass. Free Darwin-owned hosting; no provider key required.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "url": {
            "format": "uri",
            "maxLength": 2048,
            "minLength": 9,
            "pattern": "^https://",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "read_official_json"
    }
  ]
}

What the leaf hashes

{"body":"7d26c4790d0789ffde6be842348376beb67464dc86851d3cba9abd4e10cc2a48","id":1288901,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793394739636400,"prev":null,"subject":"cda1378f-3adf-4e50-b6b2-19f56bd6d6fc","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x7315779602e316f2f8a2d33bd285364ab38d160fae4629c6a22563bdc5ce5e32
2. 0x5c9721992c3fb2a7b590bb8373636458b40fd3348b530cb34b2400f071a7bfd3
3. 0x3a38c4971d3b6e54ae51ef1875352d644b2e4419c2ea487ba3098005abc66e97
4. 0x5ab49c961081f4013672d23d145e36c02637da5426f689a7a9f07eb1e852f95d
5. 0x2a08de03db6979afa96463c601cccdeee170824cb5250523d2bd2ea2a722087b
6. 0x7023de8892510e0e2342515e2f6b1e52c27cafb2869ee81f8e33f361fb708b3b
7. 0xf59010ef1e54210869cc148bc1cb90401767891119e8aba70ffaa68dcad2655c
8. 0x1dc44a6240439f277ed0e90dced36c6b88b5332f48c84a6533b013e968267f61
9. 0x170ae7fc12e3bb44f8db5a303a71bfcc88005c05edcc4e602086a08e8deced9b
10. 0xe6bef78a5dcfd6a137244a1487384805559885675444b2c4ad086e85a0393f9f
11. 0x7d8011266ede5c8ccfdafbe87d873299d40d5139f3a8e96f3156e361a49a3ea5
12. 0xcf17b226b0282e05075141acc94165d23ecbb094a9948dd8abc27872a0550966
13. 0xc49b39d1d5f1a9f4fc18bb83adeb6cd4a85dbf836296581eb9e9e717cc889fd7
14. 0x75bcbdd2a0d7acdea21f6011126339c8e33a476ec0a76842480cf5bf70db6a72
15. 0xdf25f5d38e3fb54d3e66e3bf876db529f619041e0d21f0bc35b80003418e3d9c
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861