Evidence row 800498

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.meandr.com/"
    ],
    [
      "web",
      "https://meandr.com/"
    ]
  ],
  "name": "Meandr",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T20:05:51.195816Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:05:51.195816Z",
        "updatedAt": "2026-10-28T20:05:51.195816Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Run your Meandr team from your agent: servers, workspaces, agents, policies, approvals and traffic.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://mcp.meandr.com/icon.png"
        }
      ],
      "name": "com.meandr/mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.meandr.com"
        }
      ],
      "title": "Meandr",
      "version": "1.0.0",
      "websiteUrl": "https://meandr.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Run your Meandr team from your agent: servers, workspaces, agents, policies, approvals and traffic."
}

What the leaf hashes

{"body":"8c6a08948099c3a5e42ea93294516ec30285285d465c6294d32559c7cf8bca00","id":800498,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218349545848,"prev":null,"subject":"mcp_registry:com.meandr/mcp","subject_kind":"source_record"}

Proof

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

1. 0xa172cb088dc53331e778b7dcffc11e828064c07d6321b8c7b84126f808ee1c75
2. 0x815548f27c82664d4f9b487b9f1f8c57212b6b6cb5f445e5760cfa10134b0b33
3. 0x3ff96022b4a6e6319f8eb39741d93068830ea44ca384c9fe15b28e2e5026c474
4. 0x002f85c0f8afc06eaef078bfbfac1cc942f76eb4d38585f42ec91ba08f432189
5. 0x84d8d0c7c313fbd179f86155dbbe4c301e60650f59a4511e797047f8f12b9091
6. 0xf1bd5d79b966b6f196d71b21781afd335c2a8de4ba874be9c3713589d6e8b71b
7. 0x98108751928ccb3fff02951203b6917ea1315deca0c3f9e3218953230029b228
8. 0xc9370f9f38bf6408b035f66a74209bac33701d56f1c3406688c3ce842f845cd2
9. 0x66900d20f8c76e64c79cd0e3c9fb2c79a5e08de9f8a49c88a9bb758dba15ea0b
10. 0x91bf6b80405528d1d250f17479b1ed6244eba7dd72d77baff2e36bcef5f5aa15
11. 0x3fb1a1b11e53557a0188d7ff03356dcad6c7e884616190561a850441d91e4efb
12. 0x842d7b1987612c487a9896ed293fbf4e4e5257a7108fa185ae50a30dccfb4801
13. 0xa938e25481f6c2bb7474d5ed23c3e6616105250a53a3f98587d0ebff02240902
14. 0xc4674b97eec0bfb92cf9c2ffb4427d455d9f902b5fe3ea0be83ee462202d7416
15. 0xcf313ac43fef601c9e46f82a687b6a3c655f47c31675c1791c49de20295be63d
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae