Evidence row 1053776

What was observed

{
  "endpoints": [
    [
      "web",
      "https://educational-tools.vercel.app/"
    ],
    [
      "mcp",
      "https://educational-tools.vercel.app/mcp"
    ]
  ],
  "name": "K-12 Educational Tools & Curriculum Catalog (Math, Reading, Spanish)",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T21:13:18.513656Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T21:13:18.513656Z",
        "updatedAt": "2026-10-29T21:13:18.513656Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Zero-auth K-12 + early-childhood datasets: Dolch words, TR-EN flashcards, Spanish, creator data.",
      "name": "io.github.birkanyavuz/educational-tools",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://educational-tools.vercel.app/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/birkanyavuz/educational-tools"
      },
      "title": "K-12 Educational Tools & Curriculum Catalog (Math, Reading, Spanish)",
      "version": "1.3.2",
      "websiteUrl": "https://educational-tools.vercel.app"
    }
  },
  "source": "mcp_registry",
  "summary": "Zero-auth K-12 + early-childhood datasets: Dolch words, TR-EN flashcards, Spanish, creator data."
}

What the leaf hashes

{"body":"9aac1cac641555e5fa9be44cef4aa4857766c0b4492e55cba5ecbb3f36da1ce2","id":1053776,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793312085579489,"prev":1051682,"subject":"mcp_registry:io.github.birkanyavuz/educational-tools","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xe721453880d58d96bfec436001986752647160d29644ebca5699f80a482cedb8
2. 0x17b422b9b16b723d274886754640647509895f14bc12d956388fc5d770b12111
3. 0x4c10cf7ad639b224ec38c04e4cd661d3e88152cec49cd67fbb66fb7c5098ad9f
4. 0x5d09fb4a5e6d745ba279da5aa1caa09af43cf161baa021e741ed698803023d73
5. 0xa98dff0036aef94d2109c70d0e4d87eb4d23bac3beb918568ba79a2f0dc0612d
6. 0x626e8e4d8603195a99962f8532cad1d34e2c45c9bc1605bd475f43b8f5061048
7. 0xe72c63f64f90b3d0721adff8972af576d568136cf6aad0a436b65cb2add3a3dc
8. 0xf4e5604cb583d6810b92a4e30357aaba74e6e69befe5ed00f11b79110a41160d
9. 0xf2f7c64fa306da3e197255b3db2e46e01d0240a266d83b387e758f152274f645
10. 0xcd7fc175674db4074211c19276ccd27dffd7f450f699d4700b2fdbe10914a031
11. 0x175a133d88190da729fd78d9852f2b91284ccbf1dd52db36c7040da0f4f13181
12. 0xa97b95c656fc010e7a3d8cbd8d489f5c459a9ea8e31d54c39cec1f088baba245
13. 0x5de22c62f0498dae1ca2ce6e9fc1edf95fad1ef39d2b1cf8495d986051499622
14. 0x5eebfacb78943282482b6079e45bf142a28ccb1f65c473e6e0a90d378cca2b03
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1