Evidence row 561763

What was observed

{
  "endpoints": [
    [
      "web",
      "https://openserp.org/"
    ]
  ],
  "name": "OpenSERP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T21:02:47.250252Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T21:02:47.250252Z",
        "updatedAt": "2026-10-27T21:02:47.250252Z"
      }
    },
    "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": "0.1.12"
        }
      ],
      "repository": {
        "id": "1291364177",
        "source": "github",
        "url": "https://github.com/openserpapi/mcp"
      },
      "title": "OpenSERP",
      "version": "0.1.12",
      "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":"a79b1bd924a5887ab83f83dbd6d5659c636b77792f029101844d0aa4eaadc752","id":561763,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793137261201494,"prev":315517,"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 2026-10-27 (273461 rows).

1. 0xfcd952f063a8f1c606493ab6f18d6e65f82aaf308b913c074218028aae9df199
2. 0x60b4bc3dfe90c2e1340e80ac5d33d000952e7b6e73740355e34cf0d33fe1f2dc
3. 0xfc3a33af0b6b52df6324efa88c800011a7d12fb6006e6cc5766da4f4ae3edd94
4. 0x53302b60f7e023fa0d37c59b78b7e5db038e8e7084866c49e60440237e92bd11
5. 0xff2c5a3e461518fdcdd6ecb330dbbb5c4c8900130857507428c1ab64a7c673ca
6. 0x90437c6bc006535867b5ab80b463b1aa40f14031391938a034af61762d8963ad
7. 0x4971d2770673d111a0159b0f667215f1e3c460ca0b7720fea67c3278baec51a5
8. 0x87c1b71ceaa301a92ff0452ed0cb69fc84f201c5bbeafbffc3ad38d13468708f
9. 0xfff9b51c13443a11dae084cd23a84bb128324aa04458e9573590a11d89a33775
10. 0x6028aad3435e0b6caf5817c1026f7afd3a8f3b8246fbecf2187987f14568ca6f
11. 0x479c88a152ed598e589c121df2956daa75b8b8dbec53f73497cacb70cc838259
12. 0xf4dd076e6efbd5ea0ecb7bbba37a353ed1d340e9d41fd6bbc5f05edbb05ca1cf
13. 0xf24b37f8ac293f5328e3e6b28cf868989fe99debf025c153c0d9a1698e846e25
14. 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
15. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4