Evidence row 1287912

What was observed

{
  "endpoints": [
    [
      "web",
      "https://nvidia.github.io/elements/docs/mcp/"
    ]
  ],
  "name": "NVIDIA Elements",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T19:30:45.625479Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T19:30:45.625479Z",
        "updatedAt": "2026-10-30T19:30:45.625479Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "NVIDIA Elements UI design system and agent tools for AI/ML, robotics, and autonomous vehicles.",
      "name": "io.github.NVIDIA/elements",
      "packages": [
        {
          "identifier": "@nvidia-elements/cli",
          "packageArguments": [
            {
              "type": "positional",
              "value": "mcp"
            }
          ],
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "2.2.15"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "projects/cli",
        "url": "https://github.com/NVIDIA/elements"
      },
      "title": "NVIDIA Elements",
      "version": "2.2.15",
      "websiteUrl": "https://nvidia.github.io/elements/docs/mcp/"
    }
  },
  "source": "mcp_registry",
  "summary": "NVIDIA Elements UI design system and agent tools for AI/ML, robotics, and autonomous vehicles."
}

What the leaf hashes

{"body":"8eb671aeada853cfe900a39404016aa393ea2f8dcc39523de2792b707daa33b2","id":1287912,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793391338186169,"prev":1025427,"subject":"mcp_registry:io.github.NVIDIA/elements","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x47071974bc81415b6c4a377783f00864b3bef7a15e5d0be47de476fc00e7fb40
2. 0xea6109cbcf80f176594acaebb691a1939399236376b00e3f7585c27529442a14
3. 0x2e716e24b899b51c30114783a4535711ffbf703110a8fe942ac02669bf0f364e
4. 0x1243080114eb1c7a346a6e36fa67422efb3866f54b42991f3c2e3fe6eee91ce3
5. 0x6ef3f14084120716ce0898a00b5da78403c60d32ce842f4ca9f78572aec1fad8
6. 0xdfbb87509ba0843cf02a2da0da9bac203e8803e661ddde7100e103f77ef53b61
7. 0xe2dc31a35047fb948f63cad0fae74422657d142ecf4237cf03d319df8430c1c0
8. 0xf675cddfa7a3370f7be4ed8dcaa4c31d424cf8592450d77026c87073398e21f1
9. 0x41e1642760c70a94e148aaca342eca8c96c302291efbdd369591c7f00f2a00bd
10. 0xfaf2ec1d7afc39f38b0359c8534b2f412a64ee757f3cabbe71efd285c106ef0f
11. 0xa4d6b7840317e961c9d4f6ce8699df48acdc116a6a9c09392796f9c75a95727c
12. 0x2661bf6c2d2490ba443dba9bc41ceec4c1ad9c0ebb611a3f1f8d8d60a05175d8
13. 0x0b8a485e6ab0668fbad8011e734741b720cdbb463970428343e7f73238a809f9
14. 0x9ace81ddbf101c81e3033efcaf62a4f4ad2b7dc0b97b61a7adf81117108ff2f7
15. 0xa937fac4496d1d79e24c5f12abd33388ef710185b9d82165d4b39af6bd434545
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861