Evidence row 1000875

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://dataandapis.com/mcp"
    ],
    [
      "web",
      "https://dataandapis.com/mcp/setup"
    ]
  ],
  "name": "Data and APIs",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T05:36:44.372111Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T05:36:44.372111Z",
        "updatedAt": "2026-10-29T05:36:44.372111Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search, read and call 125+ data APIs: sanctions, barcodes, IP intelligence, companies, holidays",
      "name": "com.dataandapis/catalog",
      "remotes": [
        {
          "headers": [
            {
              "description": "Your dataandapis.com API key (free account: 500 tokens a month). Optional for search_apis and get_api; required for call_api.",
              "isSecret": true,
              "name": "X-Api-Key"
            }
          ],
          "type": "streamable-http",
          "url": "https://dataandapis.com/mcp"
        }
      ],
      "title": "Data and APIs",
      "version": "1.0.0",
      "websiteUrl": "https://dataandapis.com/mcp/setup"
    }
  },
  "source": "mcp_registry",
  "summary": "Search, read and call 125+ data APIs: sanctions, barcodes, IP intelligence, companies, holidays"
}

What the leaf hashes

{"body":"36206aa2070c0a4725cc3a57b4d24a1e0206a8e7c1b44d6bc2225958e15fe73b","id":1000875,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793254371027634,"prev":null,"subject":"mcp_registry:com.dataandapis/catalog","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. 0xf25fe96570d7667bb0253c03ebd6734dca74f53212af86f60650880cf0300777
2. 0xbb842f20c920181039745e66de227879a97089d668b8c2cdb7df68247ddddd66
3. 0xe3cf3fe566c335b8eed09530546887d7339ba75c500feb000030abbf86e68983
4. 0x527b65569bc43911aae24d4ff0a45fcf242e24e0f50063a16417218063b8afe8
5. 0x461dda02ba74e4198b17614ed027515b39c8e3155a3b29cae6fa034252ce71ce
6. 0x224192fac964f17853bd2564289cbfd5e05314428c681701499e331cc86340e5
7. 0x8d644e87f10c0871686ed4488d5c573a46a95074557545b1da8bc4a095e0484f
8. 0x86ed2ead51c47710fb4c8942fc31dbac21329633375768c0b0ddc91263f439e8
9. 0xeb0686e3763ccc9be1afe5e3621c8adaa22e6d74cc61e93e6a3ca6d1e7bbb2e0
10. 0x23252bb1cc235c29d45d906e39f7b5eeba225c5f147ae9bc590c8ae6bc7b8302
11. 0x827a81057dee6ce05be5376cea4adff9bdafdd6be2a34f49dff95493ffc20e3e
12. 0xc554104ce886444ad9478b1657b9f2f63a5615cde0d5f6091699bb05d2eff6c6
13. 0xe61db4873d922d736073fbcc17a7758f857abc53591bf83c26e95a8c7fdf1d7f
14. 0xc7119ea806f683838e5f48055d7f1b7fded1f500c6064dabeb8b9a36bba8932f
15. 0x1dd763930a8023065a24b676469b4f26d92a89cfe71226ced9df379f43ec0f0a
16. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
17. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1