Evidence row 561271

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Return the site llms.txt index: what the site covers, every post with its Markdown URL, and other agent entry points. With full set to true, return llms-full.txt, which includes every post body. Use for a whole-site overview or bulk reading, not for finding one post; use search_posts for that.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "full": {
            "default": false,
            "description": "Return /llms-full.txt instead of /llms.txt. Defaults to false.",
            "type": "boolean"
          }
        },
        "type": "object"
      },
      "name": "get_llms_txt"
    },
    {
      "description": "Return the full Markdown of one post, with YAML frontmatter, as served at /<slug>.md. Use when you already have a slug from search_posts. To read many posts at once, use get_llms_txt with full set to true instead.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "Slug of the post, as returned by search_posts, 1 to 200 characters.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_post_markdown"
    },
    {
      "description": "Find or list published posts. Returns slug, title, description, canonical URL, Markdown URL and last updated date for each match, newest updated first, without the post body. Use this first to discover slugs, then call get_post_markdown for the full text. Matches query case-insensitively against title, description and body; omit query to list the newest posts.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "description": "Maximum number of posts to return, 1 to 50. Defaults to 20.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Case-insensitive text to find in post titles, descriptions and bodies, up to 200 characters. Omit or leave empty to list posts newest first.",
            "maxLength": 200,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_posts"
    }
  ]
}

What the leaf hashes

{"body":"9a8cc669c0ec7f7cd91a35d322f88cda82a58c274b97ca2315636a17155395f9","id":561271,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793136820606250,"prev":null,"subject":"ff0182b5-5b6d-4d65-ad9e-e0e86f97370d","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. 0x730244bcfece678b6565be00cb6243a05569fe98896380de7337cb39df22b794
2. 0xafc74c0ae44b66c24590381ec58977f471e5c478fe7234059826f1eb3385c862
3. 0x7dcaa01743c2e5d078385f463e0177c86701c46359192b5579eea16a2ce0eb4a
4. 0xead3af5aef1d6ea6f51f3464c693585e570469aa8ba581bde0f25de2f6cc81bf
5. 0x5377b5c596312ef8c9f739817d9f8fcc9e2693ac2037df4fca0ad34776b3afe9
6. 0xe1c98a192cc3c5f320e0add70ec5f648ebc46d5a0284e6a98bdcdd33db18fd09
7. 0x7cd5e3194e4f6e9ae0e177f3e29ec150c73480bc5e6cee0ed2a4d6d82faa04d3
8. 0xa0e16513cc86e17acdd5e4f35b63e3e5d9193252e7b5bd2040fedf04379e3176
9. 0x62dfd5164e5299bb4df5bf84739d92a78bc1454097f1f277d12a2cadcc9c95f4
10. 0x7f2a99b149f63aa97762c8289399ee8ed994807b28bfca51df3a659282990633
11. 0x23a51a936f60011ce90a404c26ca8b5c81a512eb324bd00dcb5ce643c0b38c8e
12. 0x8a2168d13e43e2c8b0f508ca779f90beef60501499eeab439eb7d23816a97bc4
13. 0x2926e99aefa0ff2e14a67a3ae10a7f6e753ce4b799c6fe531f8cbf8d33b31a66
14. 0xb2ae53d841a55a805fb4078b1a7d44e08a81aba4be3690bac3a5b4c366bf39da
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4