Evidence row 727311

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.upfront.tickets/mcp"
    ],
    [
      "web",
      "https://upfront.tickets/mcp"
    ]
  ],
  "name": "UPFRONT",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T01:16:20.125469Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T01:16:20.125469Z",
        "updatedAt": "2026-10-28T01:16:20.125469Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "All-in ticket prices across ticket sites, seat views and venue guides for US events.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://api.upfront.tickets/icon.png"
        }
      ],
      "name": "tickets.upfront/upfront",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.upfront.tickets/mcp"
        }
      ],
      "title": "UPFRONT",
      "version": "1.0.0",
      "websiteUrl": "https://upfront.tickets/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "All-in ticket prices across ticket sites, seat views and venue guides for US events."
}

What the leaf hashes

{"body":"aa52536aa9123ddd16b3e6b713292e67a5891e879214e1b320dd49b88b1a7dd4","id":727311,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793151676282960,"prev":null,"subject":"mcp_registry:tickets.upfront/upfront","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. 0xd75fc1415907d37af4a6724dd3dcb10ad1288a984eb9a00085748ca2ac04d99c
2. 0xe9bec2ee1d46e8df7cede3fe3f3fb5d21aedef4e1fd36895b89f9db52a91fd84
3. 0xe5e21b0cea79113c1e6a0614ad20baf9e2910c8ede4ef2487ab1d30153b98ee3
4. 0xb7172e44d0a1ad9ffafc372c0c25e343941121ac6763051b444ea2818437d232
5. 0xcd9275e6b1157d28a475d07ed773b60a08217ebbb01a48d967710e73109336ab
6. 0x9dd7a0e586b53257d80a3efbf8f804b65f74db6d061038d2d4ddc8e3cb7470f0
7. 0x2ca0764f455b84362484144fe678b4acec63d434d0cc45dd20ddca16dadb6f8e
8. 0xa8234b55e6dd534c81c14f33268a355cb9b96c2493a4fd842c92d1b0ef49434f
9. 0x767a2d3fde2bcf88b512d6757d48322bdaa6428f1c0176603555f370ffc8a6d6
10. 0x1b66024debbea743b36138350df36b246568c16309941beef1df61827c0c58d6
11. 0x9f1f2e66bfc79a82e967b382ebcb5c20b1f6471c7f5cafd762bc421f2355831c
12. 0x1536a8c496d01cf29a56c24ce867983fb6f54ac712030580d8f5954f9dba0e4f
13. 0x0ec75adbdda764cd96393994f2e5fc25831c6c05bfcdf872e01ed5389eb9261b
14. 0xf6b8c3d6b5a76cd63c41fa19fc59bcc627a6c650fd84130c55cbc9251f9ffdd9
15. 0x6d86d2282dd724b1b80d031e4e3cf9ed095b746e38c9e58d933efb597daff87f
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae