Evidence row 769076

What was observed

{
  "endpoints": [
    [
      "web",
      "https://useyuva.com/"
    ]
  ],
  "name": "Yuva",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T09:24:55.094795Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T09:24:55.094795Z",
        "updatedAt": "2026-10-28T09:24:55.094795Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Customer support inbox: search, read, triage and draft replies to e-mail and chat.",
      "name": "io.github.productdevbook/yuva",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Your Yuva server, for example https://support.example.com",
              "isRequired": true,
              "name": "YUVA_URL"
            },
            {
              "description": "A Yuva API key; its scopes and inboxes limit what the assistant can do",
              "isRequired": true,
              "isSecret": true,
              "name": "YUVA_API_KEY"
            }
          ],
          "fileSha256": "534cded9ae19694ef2457d990d42bdac4f98d5be1bc5c150d6eccc7b73b616a4",
          "identifier": "https://github.com/productdevbook/yuva/releases/download/v0.4.0/yuva.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          },
          "version": "0.4.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://{yuva_host}/mcp",
          "variables": {
            "yuva_host": {
              "description": "Your Yuva server's host name, as in its public URL",
              "isRequired": true,
              "placeholder": "support.example.com"
            }
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/productdevbook/yuva"
      },
      "title": "Yuva",
      "version": "0.4.0",
      "websiteUrl": "https://useyuva.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Customer support inbox: search, read, triage and draft replies to e-mail and chat."
}

What the leaf hashes

{"body":"eb51a6574625b6201c72ba9dae23b1913333a542c3087e121be6634b78963524","id":769076,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793182251416186,"prev":48000,"subject":"mcp_registry:io.github.productdevbook/yuva","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. 0xf6892f54599cf222066098e253f3ee96973998837803f08fb662d982ffebae2e
2. 0xcf0e8ddb8028db972b51ae2f51f874250ab4603eacc1cd64fa1156712b431c3e
3. 0x30f60884d275b9fa64a264b718107a9849740849a3f7432d46e8ebfcecd4a56d
4. 0xf29531b3ef57eb12f0f589a897ac87ba7414a906036217547487c15e15c85d52
5. 0x1e739d540e3aaab9ef36dafd0a2addfd7b739841a005d1e679be88ad4fa1cc12
6. 0xcd50428a82a9d97612f01224fad152482304f84e7463da61692c884d270730f5
7. 0x615fc3973b1255bc0cf78d89777f23e05e2b4fba203608100ff127f3c9c2cf6a
8. 0x1b7f2e11305d27fe0609b2aed3913d242938ebef4ee0dba306f1b18d0a58531b
9. 0xbd934cae126a72c706f1640a10539aa59bdd4d590d9a89b1fcabea1cbcbe2dba
10. 0x6cb945cb2d2a9195e44c6cb250eba054d8378c78fda7cbc464fa27465d46c870
11. 0xa83537bfa5c4d27bc47e032d69f85312229b4bff35b61b74feeca3129b9a6637
12. 0xb8e7df6a6a59ed16b5342f2524c05d480056f475ab0952eeb95ae1ccb12d46e5
13. 0xfbe6c6680e81a6a4d0db9bcf0c203bf347d99dfc74bb05632f41c1864103757a
14. 0xb807f07a34f6739a39ed03265a4a5a9c71ac45230c37dc44fd915cc90aa287db
15. 0x33bfb51cb957137510d8a1502cd50241c4c0982e2741290f3b8f2d2b1e69de70
16. 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
17. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae