Evidence row 304172

What was observed

{
  "endpoints": [
    [
      "web",
      "https://openserp.org/"
    ]
  ],
  "name": "OpenSERP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T22:12:15.213226Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T22:12:15.213226Z",
        "updatedAt": "2026-10-26T22:12:15.213226Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search Google, Bing, Yandex, Baidu, DuckDuckGo and Ecosia with original ranks, plus page extraction.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://openserp.org/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://openserp.org/web-app-manifest-512x512.png"
        }
      ],
      "name": "org.openserp/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "OpenSERP Cloud API key. Leave unset to use a self-hosted OpenSERP server (http://localhost:7000 by default).",
              "format": "string",
              "isSecret": true,
              "name": "OPENSERP_API_KEY",
              "placeholder": "osk_live_xxx"
            },
            {
              "description": "OpenSERP API base URL, for a self-hosted server on another host or port.",
              "format": "string",
              "name": "OPENSERP_BASE_URL",
              "placeholder": "http://localhost:7000"
            }
          ],
          "identifier": "@openserp/mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.9"
        }
      ],
      "repository": {
        "id": "1291364177",
        "source": "github",
        "url": "https://github.com/openserpapi/mcp"
      },
      "title": "OpenSERP",
      "version": "0.1.9",
      "websiteUrl": "https://openserp.org"
    }
  },
  "source": "mcp_registry",
  "summary": "Search Google, Bing, Yandex, Baidu, DuckDuckGo and Ecosia with original ranks, plus page extraction."
}

What the leaf hashes

{"body":"06dcf32eb749ae9ecfcba9e69564803c2e4bee1334facc932ed823d2c5ce7abc","id":304172,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793055761977575,"prev":null,"subject":"mcp_registry:org.openserp/mcp","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. 0x2a0dbae50f1b6579448e42fe0d8cb21fd803b6dbc4d8f6e83bbdae219f98f7ba
2. 0xea0aa2e6d31d88ef09187465a36f8664278e2458e14ac9037a6828a24a2f3b31
3. 0x517b124fde311b06c83d0baf805ee2e002361951de2866dc338a246cd19f95c4
4. 0x52bb00eaa926eff1e27951bc0d8b0e6745a08e7a449f3f13665472a5235af411
5. 0xb3b491549e9616f57e207869a21e8f0b6480655d3ebf1e4a5c3dfa0ea48eb685
6. 0x18428cbfca0ee57f8b1480430d2cc56664afdd62aee185ad7fb74b5b8ce608f0
7. 0x0b88c694c1c113e46da861b964c34df906f36a3ef84194c31b14c724c7f38743
8. 0x5205bbc32da985975a6492607f06ab9df87c6633ad97705176f02f26c499f4f5
9. 0x90cf978de7063c01f8056504e264fffe8b4dce6b7e0f25838ce2b901625136df
10. 0xceecb11ae941a028ba38b36bebeaea0d1db672b60f285af8fdaeb552f5fba197
11. 0x7b0bb4483af5e03d9f02e715a84d790ec3df1fc57d38f1d1a5ed296a7e822d7f
12. 0xeab0020f03650c1a79ed79927ae9d808c59a41295a86d1285582516590c954e6
13. 0x16a8fb19a5e4f4535e7cb3fce5c15ecfa188586bb74e347ee71164f8af27dfe1
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae