Evidence row 1828793

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://buttercms.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/buttercms/"
    ]
  ],
  "name": "ButterCMS MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T20:36:09.812915Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:36:09.812915Z",
        "updatedAt": "2026-11-01T20:36:09.812915Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read blog posts, authors, categories, tags, pages and collection items in ButterCMS.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/buttercms",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://buttercms.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/buttercms",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "ButterCMS MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/buttercms/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read blog posts, authors, categories, tags, pages and collection items in ButterCMS."
}

What the leaf hashes

{"body":"a4ae5022f0efc379d366e94346f08d22e074d509fc138fafe92b7d7e472c8603","id":1828793,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567869109097,"prev":null,"subject":"mcp_registry:io.usefulapi/buttercms","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xa0277e2f8b1915b9187d0f5900bc18a1d90f00cc445e6ee6d306fbf9ba954872
2. 0xbeac508eef31152acfa2137158670c68170e743e16381b8202ddc0d409c97528
3. 0x650145dfa0fab15b169ca4325c54b6ab0f7a71416e9c6fa68eb8771513d3d580
4. 0xf33db639e0b0ca6dfe47454a61a538ef595d4afd3f0916f8d46d5e8db57c5545
5. 0x31cb3fc08eb8da376b6fcb0480ea803d15b59a77b658dba52b83d635b6ccac69
6. 0x2336ad3eacef2398329bf6fca99cb92f34171c80f01a4236896d0bf4b0444089
7. 0x553244dc62a54f9525a337163cf1899214dbdc235c088d827d07f565985014f5
8. 0xae88dc2a5217eb9af06e3c6c73de97b061608ac536248eb1936c6e99f7c73925
9. 0x5ead76bf06661431783de790ca82f82025cb9e5549bd30e711a6d0a3a392e761
10. 0xa4cd58d0fdb27a915717b118cee1f5c92381a731a5c3e8cbf16da8ecb78afc1b
11. 0x1b712d36de169128bfd6f9641d9b03646c89c2d5d8cd255208ec10c561c799d0
12. 0x4c8d70bbc71171c6f09376b1cd5cdb76fcc86cf6f4242fe3365e640972ba1ec2
13. 0x4d2f8da78dc8a660de1d8b86f0083d4295117c283b6de5334a6a9d06be22e64e
14. 0x699b83b189435f7ea2dc2d6d4f13262932214c0f9293f3ad20a20f7633995f1b
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90