Evidence row 1051669

What was observed

{
  "endpoints": [
    [
      "web",
      "https://www.ngtchain.com/"
    ]
  ],
  "name": "NextGen Token",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T18:25:57.477455Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T18:25:57.477455Z",
        "updatedAt": "2026-10-29T18:25:57.477455Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "One NGT stream call on Base. The agent signs locally. The facilitator pays Base gas.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "32x32"
          ],
          "src": "https://www.ngtchain.com/ngt-icon.svg"
        }
      ],
      "name": "io.github.Har50/ngtchain",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Wallet key that signs the 0.001 NGT stream call. The facilitator pays Base gas.",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "NGT_AGENT_PRIVATE_KEY"
            }
          ],
          "identifier": "@ngtchain/mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.0.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/ngtchain-mcp",
        "url": "https://github.com/Har50/New-network"
      },
      "title": "NextGen Token",
      "version": "1.0.0",
      "websiteUrl": "https://www.ngtchain.com"
    }
  },
  "source": "mcp_registry",
  "summary": "One NGT stream call on Base. The agent signs locally. The facilitator pays Base gas."
}

What the leaf hashes

{"body":"64f8ef36a43d9feab61ae5523a435fe2e1b6bbc8bbb5e0dfcf982888ac38f31e","id":1051669,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793301225703540,"prev":null,"subject":"mcp_registry:io.github.Har50/ngtchain","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. 0xf3ffab75a14a8ebe70d508f4d81553eb79467d5f00e9f84910f9bedaba2689cf
2. 0x8e9eb78afcb8ce8eb70bbbe218eec60e1663f4d0e775fa29aa2fe042d511b1cc
3. 0xe1acd4a13184b28f76def70f82426534346cc242c1188ae51b784d0148a51d6e
4. 0x21c0d2eee17ebac1a0eafd05d152d0fe071c3f334bdbb3d22203248f220d4df1
5. 0x1625556d8fc9cfab406d5ed2e96c09a1b9c7686ed76f8feed1648244584d8fb1
6. 0x15a09a7522187fde855687c3b2d83e03c33410fb656669792b73f6e707026f2e
7. 0x813f551a3ace5c17c8c112e810fd8e7987ff24f60dfe2b43c3710770d1443744
8. 0x54974fb0774fe6d17fe2527ace103783fe4e9da29ad6f49864071928a2ef8a59
9. 0x4ac3889371c5e8458184759a309a4e4c75302c7c70b10b0d81b8d662e3a4d98c
10. 0xba01bc8bdc3735d144d6e6c2814e9d6c695d8cce15ee414babcc3a1cd6ee15d4
11. 0x15476946b3e7fb1518cb2fa1d030271b5c8ab0f28e7a811797403fbbf6856fea
12. 0x9c0281c2a4bfee33b76e469eeb2b2cf128dbede9395403178364aa32378c6d83
13. 0xe61db4873d922d736073fbcc17a7758f857abc53591bf83c26e95a8c7fdf1d7f
14. 0xc7119ea806f683838e5f48055d7f1b7fded1f500c6064dabeb8b9a36bba8932f
15. 0x1dd763930a8023065a24b676469b4f26d92a89cfe71226ced9df379f43ec0f0a
16. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
17. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1