Evidence row 814266

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/MysterionRise/pubchem-finder"
    ]
  ],
  "name": "PubChem Finder",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T22:29:57.069342Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T22:29:57.069342Z",
        "updatedAt": "2026-10-28T22:29:57.069342Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search PubChem by structure: a local similarity/substructure index, live PubChem data, RDKit tools",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "1024x1024"
          ],
          "src": "https://raw.githubusercontent.com/MysterionRise/pubchem-finder/master/plugins/pubchem-finder/.claude-plugin/icon.png"
        }
      ],
      "name": "io.github.MysterionRise/pubchem-finder",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Data directory for the local index and the PubChem response cache (default: the platform's user data directory)",
              "format": "filepath",
              "name": "PUBCHEM_FINDER_HOME"
            }
          ],
          "identifier": "pubchem-finder",
          "packageArguments": [
            {
              "type": "positional",
              "value": "mcp",
              "valueHint": "mcp"
            }
          ],
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "runtimeArguments": [
            {
              "description": "Python 3.11-3.14: FPSim2, numexpr and ndindex publish no wheels for 3.15 yet",
              "name": "--python",
              "type": "named",
              "value": "3.14"
            }
          ],
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "2.1.1"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/MysterionRise/pubchem-finder"
      },
      "title": "PubChem Finder",
      "version": "2.1.1",
      "websiteUrl": "https://github.com/MysterionRise/pubchem-finder"
    }
  },
  "source": "mcp_registry",
  "summary": "Search PubChem by structure: a local similarity/substructure index, live PubChem data, RDKit tools"
}

What the leaf hashes

{"body":"c5642e4faec38b93e219a108ed7f556efbd9fec15610442eeed6e51f2510ba41","id":814266,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793229157231921,"prev":293987,"subject":"mcp_registry:io.github.MysterionRise/pubchem-finder","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xb007f4a84bd58e16908cf047d80f2cc2b244c2757d6efbf84f2139279b9c10f7
2. 0xfe5a3e1bd238abc5cda9cc8ba0a36e10e074f692a301d98a44976cbc0a0e1d15
3. 0x3e134cb13336294af856eb05657f2a1e73ad24569ff28df5215f6cafe65e8cc6
4. 0x8260ebae92f7fc2a16579d03812546667f86f4d5c0149a347645275cd01139ae
5. 0xff7edd2333cbf90c13a8e72492d42d51ec958208727018b854127c4d31438e82
6. 0x5c86f7748f46f5d94e7f695995a0f53c5b1ba88745dca83c7fae88a494c1a4a6
7. 0xad9216cb4f8b5270c520c0c9abdb95637039311ec6516b0a10ec71636dd64e28
8. 0x7420c027488a4e6b7ed1f2993b0b9b824d63ee4104958365225d7937f06d47dc
9. 0xcd53b4771dfcb67752ebb91dba5560b5b946845fc70ab231db28c3ce3549ce0b
10. 0xdfe32807b448c42cb67d33d026ab2b8dc91cffe3a0a9e6e041072c86003177dc
11. 0x6a99adc737d8f00444b7724a61d92260b09a52d250275f23374b645c24c440f1
12. 0x31f1c419799292e0c3b46ba94440b5526ba262a7773ee5713dbef598363f4dff
13. 0x98b9fee8fc2de9dba94f4f81cf80de2396e2d2fccd881582ec5782c4d1a2f275
14. 0xad5ed8dc5ef9ee1ff21d19f603db7fd603ad90ffc13b68cf331a879eabb7b657
15. 0xcd8084fb60eb6be382a8750a344eb425404f5162e8ae3db9a15ef555a7942b85
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae