Evidence row 566430

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Find the RSS, Atom and JSON feeds a website publishes (validated by downloading and parsing each one), with feed title, type, last post date, post count and the newest posts. Use when you need a feed URL for a site or want to know if a site has a feed. Up to 5 sites per call.",
      "inputSchema": {
        "properties": {
          "max_items_per_feed": {
            "default": 3,
            "description": "Latest posts to include per feed (0-10)",
            "maximum": 10,
            "minimum": 0,
            "type": "integer"
          },
          "sites": {
            "description": "Websites, domains, section URLs (example.com/blog), Reddit/Medium/YouTube-channel/GitHub-repo URLs, or a feed URL. Up to 5.",
            "items": {
              "type": "string"
            },
            "maxItems": 5,
            "minItems": 1,
            "type": "array"
          }
        },
        "required": [
          "sites"
        ],
        "type": "object"
      },
      "name": "find_feeds"
    },
    {
      "description": "Get the newest posts of one website from its main feed: title, URL, published date, author, plain-text summary (max 300 chars), categories and image. Use to catch up on a blog, news site, subreddit, YouTube channel or GitHub releases without scraping pages.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 5,
            "description": "How many posts (1-10)",
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "site": {
            "description": "Website, domain or feed URL, e.g. \"github.blog\"",
            "type": "string"
          }
        },
        "required": [
          "site"
        ],
        "type": "object"
      },
      "name": "latest_posts"
    }
  ]
}

What the leaf hashes

{"body":"a31d9329c29a3e7e3894a1efac4caa57ceedae281ffbd00cc21d5c127deb194f","id":566430,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138444462736,"prev":null,"subject":"236f8ff9-9de3-436e-b397-0992bb6a208d","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. 0x4fa1ab8593ec96b2dd8b56636d835ca41ae06e307af7d82e1482209be0acd724
2. 0x8cee7b0b66094bd1bd4e222eff8f302eca8c67c6739c81fdb5c25b996f390a36
3. 0x94cb7a07101a31d66f7748c5df1fd0f6cd158c6d83044c6d5518d02c8b0c4c7e
4. 0x94853aeb049ae4ab5239bd82d44d08fab8fe03a68c07181bafd356fec580ae33
5. 0x7b5ee972758eced8aa96867dadf45c7dd2fcb4dee1c7105682bd7a57fce21c35
6. 0x422aa4222fc075edee3435540127da841e35cc9a67b0aed7b776f1ea3bec1eba
7. 0xf51dd1633411ab3ffbd5972009869e885fc35f697ed141ca06b5e029d6a52ce3
8. 0xcf4c118eafc62ef1012085c90052deca4dd4672fda3b8dee1ce38a5ade0400aa
9. 0xb510543e7f84108441287986553cc0908ce9d30f42671399cce634c856a7d132
10. 0xf833df792e157e86b1fec470b40449423d669f06490afc7e934a9ce7929db11f
11. 0x7b0f54aa0116cedb8afb80e7150869a7cf2b70adc313e0079a760b5d19d2efbc
12. 0x8762ddf9a7f6b156629a8a66fe575b878ee44cd59a7f0a583ec6db0a152d703b
13. 0x797da99476c7ebaa971607ae725e5e240b79de9e49d28859b94de107c850aaab
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4