Evidence row 495501

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.standards.new/v1/mcp"
    ],
    [
      "web",
      "https://docs.standards.new/docs/mcp"
    ]
  ],
  "name": "Standards",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T14:25:43.592435Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T14:25:43.592435Z",
        "updatedAt": "2026-10-27T14:25:43.592435Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "CRM, drive, email and meetings in one system of record: search, read and update your records.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://standards.new/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://standards.new/icons/icon-512.png"
        }
      ],
      "name": "new.standards/standards",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.standards.new/v1/mcp"
        }
      ],
      "title": "Standards",
      "version": "1.0.2",
      "websiteUrl": "https://docs.standards.new/docs/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "CRM, drive, email and meetings in one system of record: search, read and update your records."
}

What the leaf hashes

{"body":"f0a2804f08309fb6f180b5071bd858f437d14d75cadbbe74212e0b109cddbff0","id":495501,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793111341943061,"prev":57926,"subject":"mcp_registry:new.standards/standards","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xa9f7410d05c4c990c745c71ed4b493f281a33b2769393578c678ead4cccf53d4
2. 0xebd5468f110cc1e74a4c152c52e85707cffac752d461a6f0715c1668e0c6114c
3. 0x7ffce3e362634e90e07b19fbff51fc06c96939c29a6bee0b8aabd1d1cfb03b14
4. 0x723b60fa277e2a76d1abac20c40d30eab54020261247809b2f8802bfee7169a0
5. 0xccdc643a4470707d568057087cb7393e6018354a5d439b95bb3d0442dce7ea07
6. 0x8b1bad5982633b6e3fd4d22158d2d4842ab3d388576e980253ddc478315ad36c
7. 0xaf0ce2a78555a9545908be22655636605a2d2ad27817bdbf24f9b1ef582c62b3
8. 0xae880f53f13f4a6378bd851708a381b766f40361c8ca08b37009f7364e8965ce
9. 0xcba284fb76379c62dfa1f16a168e68dc7f357493f5f77c7de50f7b4fd66df931
10. 0x106fad2e2fb2e75c7b5deb005f53f566274d58f5316aded2ba1635260a9f64be
11. 0x324d1c483a7a3f90b87e666635af8af905bde0bcef0945e9f29ca54a05110160
12. 0x209c5ec9dadef949213746eeb17aaa8b9acf049b484430fc0bc152ee10f2e007
13. 0x5e700087f2a5e8fb7372f2c2db037d66942006d666bb45dd92f745011295fa7b
14. 0x98c6ed3e7b5bb7f1757a8660af410226a11dd563bf83010040c2ce059ab45e54
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4