Evidence row 16681

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://justbacked.com/api/mcp"
    ],
    [
      "web",
      "https://justbacked.com/agents"
    ]
  ],
  "name": "JustBacked Startup Jobs",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-08T03:01:05.927857Z",
        "status": "active",
        "statusChangedAt": "2026-10-08T03:01:05.927857Z",
        "updatedAt": "2026-10-08T03:01:05.927857Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search and track open roles at venture-backed startups that raised in the last six months.",
      "name": "com.justbacked/jobs",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer token: your JustBacked member API key (jb_live_...), from justbacked.com/account#api",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://justbacked.com/api/mcp"
        }
      ],
      "title": "JustBacked Startup Jobs",
      "version": "1.0.0",
      "websiteUrl": "https://justbacked.com/agents"
    }
  },
  "source": "mcp_registry",
  "summary": "Search and track open roles at venture-backed startups that raised in the last six months."
}

What the leaf hashes

{"body":"b98e1cf82634b05766f9a41736c9e2ad1e1180854df70526e6338d1b25b20958","id":16681,"kind":"listing","method":"baseline/1","observed_us":1793025324797237,"prev":null,"subject":"mcp_registry:com.justbacked/jobs","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. 0x91081c2fbeb77e7498fcc3e5d827401c9059f759b35a50a238a88bf639995d67
2. 0x8e904a7f537708d7cf2c3eb2984e0676e39a4c035047d8875191bb4e9035bc2b
3. 0x5699d26dd9632da95d2f41e2a446e656b51a353e3cb97c40ae4f1f203f0dcc0e
4. 0x0357e620c3d9712fd205dd756587c9e7d6c5f6ca25c96b41c488b0f6b30a7264
5. 0x2d209b1b83c95ec0b93eb06f23d9cd3981e99045e344a137b3a8d269decb7eb9
6. 0x78d0c6a795a24ad0c05d59dd30e8b3bbb62a310f02d3e160189144a8d92a3a46
7. 0x669b63a5969305abae7780c37accf1e9c7446e2d55456f02bf0e11ed016a5707
8. 0x1ab50857d03bd845dbff024d0180a6fd76d288273a19714ad268b2a347fe8d30
9. 0x03c0c3cee400a3c7cbef5ae45d720ec88677a3ba97e4945c8109c8e6eec16587
10. 0x5d6495469a224b0c8739fabdb7652717dcf778029d8f8eb34051fdf9d5ed5ee5
11. 0x6c9f1a764b7efa4ca549bf1cbbf8b397ce3c92cc35a0932f2dbf0706ae892c07
12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae