Evidence row 38853

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://tonzar.com/mcp"
    ]
  ],
  "name": "Tonzar B2B Russian Export Marketplace",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-05-10T15:22:54.758912Z",
        "status": "active",
        "statusChangedAt": "2026-05-10T15:22:54.758912Z",
        "updatedAt": "2026-05-10T15:22:54.758912Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search 160k+ Russian B2B products from 8,900+ verified manufacturers (EN/RU).",
      "name": "io.github.introman2023/tonzar",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://tonzar.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/introman2023/tonzar-mcp"
      },
      "title": "Tonzar B2B Russian Export Marketplace",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Search 160k+ Russian B2B products from 8,900+ verified manufacturers (EN/RU)."
}

What the leaf hashes

{"body":"113fcda389729d0343820eafa2d9c6a7fd9a3c4787a45b50bea8704472e98c0a","id":38853,"kind":"listing","method":"baseline/1","observed_us":1793025394202387,"prev":null,"subject":"mcp_registry:io.github.introman2023/tonzar","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. 0x8a39d150dc0dc6010858e2988a1e7e932f9f65c0da0a47de139e97d39580b713
2. 0x3a56fbf100b24c36b2d4db5ca785a8ceddcf5ab5247e928cc58bf56c22653520
3. 0xd84409f3878c86ab5b632386055a11fee14690ec29fcb0c81d9e05d84c026d58
4. 0x5837104f753a42681d22414c1f4b48a0f5bb540c120ee106dc4467241fe463e0
5. 0x65a3e94c06e76e7ac7a6113fc9885af5cacf6d322ed9aa961c83dedfdbabd774
6. 0x327fe080ac66ab5a2d175b2a6b20ae969e1eaa620772ed8c8880d8999ac856fe
7. 0xe599dab7ed3b1854459c373d043812128b545d62cae77ae5171f1fa152b9f76b
8. 0x1e729652f04041908588286935cf43d23ab47ecf781f76a9c7e47060b5976444
9. 0x118f1fb2215c57e384aa5784b3b3bfa5e2b496f4e95d98cfd42920ad1c735392
10. 0x982630687ce64555ae64a26aec05bb57bc8d6dbc7f1a3b6335e749ef24ab7401
11. 0x231f490acbb86d1ac0f80fbb2d49e85abc0ff9c6392ca16679f2cdf49b2863ac
12. 0x8cb11bf3bc7d3a6f859c170a167821024ffc4758cdfd2cc96f61a3291aefb637
13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae