Evidence row 16003

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.hasdata.com/mcp?apis=google_scholar"
    ],
    [
      "web",
      "https://docs.hasdata.com/apis/google-scholar/scholar"
    ]
  ],
  "name": "HasData Google Scholar",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-24T14:19:43.694768Z",
        "status": "active",
        "statusChangedAt": "2026-09-24T14:19:43.694768Z",
        "updatedAt": "2026-09-24T14:19:43.694768Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Google Scholar search results, citation counts and citation export formats, as structured JSON.",
      "name": "com.hasdata/google-scholar",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "HasData API key, created at app.hasdata.com. 1,000 free credits every month, no card.",
              "isRequired": true,
              "isSecret": true,
              "name": "HASDATA_API_KEY"
            }
          ],
          "identifier": "@hasdata/google-scholar-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.0.2"
        },
        {
          "environmentVariables": [
            {
              "description": "HasData API key, created at app.hasdata.com. 1,000 free credits every month, no card.",
              "isRequired": true,
              "isSecret": true,
              "name": "HASDATA_API_KEY"
            }
          ],
          "identifier": "hasdata-google-scholar-mcp",
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "1.0.2"
        }
      ],
      "remotes": [
        {
          "headers": [
            {
              "description": "HasData API key, created at app.hasdata.com. 1,000 free credits every month, no card.",
              "isRequired": true,
              "isSecret": true,
              "name": "x-api-key"
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.hasdata.com/mcp?apis=google_scholar"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/HasData/google-scholar-mcp"
      },
      "title": "HasData Google Scholar",
      "version": "1.0.2",
      "websiteUrl": "https://docs.hasdata.com/apis/google-scholar/scholar"
    }
  },
  "source": "mcp_registry",
  "summary": "Google Scholar search results, citation counts and citation export formats, as structured JSON."
}

What the leaf hashes

{"body":"c0f681cf86f5970e7e347da817753bcacf2fc90bf302e6e1e3c0ecfea49f2f0a","id":16003,"kind":"listing","method":"baseline/1","observed_us":1793025321838883,"prev":null,"subject":"mcp_registry:com.hasdata/google-scholar","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x3760e7edfac2f1807708f51d3b7b04434d3ef611aadf64f1d894debacedd8b71
2. 0x47a7c02d58950bd968a4685930522eb96674b1854bcccc92384dc0c37aca3230
3. 0x789e7ec171296a49090ca61a4d9d5b4f12ad87fe6fa41056f8ece3e120cdffd8
4. 0x11cb20694698063963e5ec83a4d5fe22490b6c28ecfc305cc002cffbc7180f44
5. 0x766604239d671e1a19fdc00b72c6ec854978c923989568f7e0cb8c2b94a80586
6. 0xdc6e07addcfb7ce5bf28238b750113a49703ef4843e57ae06838fab4017fce51
7. 0xa72ebbc058daa784230b12fc17d68c86943e939c5f261b1afaa2834a00d4732e
8. 0x075c2c491d16ed50144fddea154eb8b56ed932a0d655f778d5ca0dc3055f04ba
9. 0x66b1af07a0e26a1edcd7d2309aa5399c260814b0544499e706ab7bb48928e348
10. 0x8681b8a904a71605e6e13e7c5c8ece78e783c5629075c54dc57234a15410c0d8
11. 0x92b5da9306740c6310c9590169e789efc810ad3fa152b365777b6395fec4767f
12. 0x8b23d34f6cd746f123b1e4d09449280800a81e00febe1fd9224b6802057238d5
13. 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae