Evidence row 570737

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Fetch one public web page and return its readable content as compact Markdown (links and tables kept) plus title, meta description, language, canonical URL, OpenGraph/Twitter tags, JSON-LD structured data (products, articles, organisations, events), mailto emails and tel phone numbers. Use to read or summarise a page or pull its schema.org data. No JavaScript rendering.",
      "inputSchema": {
        "properties": {
          "include_markdown": {
            "default": true,
            "type": "boolean"
          },
          "max_chars": {
            "default": 8000,
            "description": "Markdown length cap",
            "maximum": 20000,
            "minimum": 500,
            "type": "integer"
          },
          "url": {
            "description": "Public http(s) URL",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "extract_page"
    }
  ]
}

What the leaf hashes

{"body":"1a5945b55d9a4adeab19970f3c1706aee9e356105dd477c662f5cbe3d72c0d79","id":570737,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139905386012,"prev":null,"subject":"065a0508-6a90-4255-aea0-e41936bb8f85","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. 0xd8c23e4924049147cc8a57e34169b39cee777d0f2a434bb1c348b6802a4e52eb
2. 0x6526bfd4545e6d7f929bfdbdfd662b7fcafbf1bc6be212cf573686a97a752f30
3. 0xd04efc9db8d8ecfd5a14d9bb71bb32cf18f686d92de37c3152103e7bfe6d9857
4. 0x2b8b4e03b721a95667fa6e76f0f6712cc9f76cf92cf458111401b932f1a5246e
5. 0xaa08ef83a48b539da45cff5cd31f6bfe835a20a3d1588504b1c4ae827e76b126
6. 0xa1aaa54320059e0862c79a8869f54a783d5af12de0c7e0b66baee5f8ef8496ed
7. 0x005cdc034a1a936eeaf78dc5963c83a3074151e7a0a90b00ee1acf1cbec2ef90
8. 0x8868bee2a324f465484b5814a143efecb49e2874aa88ce1ba6fe33d6d6417a4a
9. 0x11f7db7aa886b80fff9ef585dab246321de4697929550975a471952e0cfe37cb
10. 0xb53d1c4a76e033644f89ac53f7cf54305fe5dc930aec990b2077c8a49cdfeb26
11. 0x3dca44952a9682a51f9efd327b03aab50a00e491555a6e0d2002b9d4c8a802cd
12. 0x849261a3d4118e022f8782d6166f4778e44fb4b1ae758bb02cd94e56b5df0896
13. 0x13692b463800846f580925c8ea49b43f92b7df3f9e8d32b8a18802640cca3780
14. 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4