Evidence row 22040

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://whobuildsit.com/mcp"
    ],
    [
      "web",
      "https://whobuildsit.com/ai"
    ]
  ],
  "name": "whobuildsit — space & defence hardware suppliers",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-08T21:04:58.529188Z",
        "status": "active",
        "statusChangedAt": "2026-10-08T21:04:58.529188Z",
        "updatedAt": "2026-10-08T21:04:58.529188Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Find space and defence hardware suppliers and parts by specification, process and certification.",
      "name": "com.whobuildsit/catalog",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://whobuildsit.com/mcp"
        }
      ],
      "title": "whobuildsit — space & defence hardware suppliers",
      "version": "1.0.0",
      "websiteUrl": "https://whobuildsit.com/ai"
    }
  },
  "source": "mcp_registry",
  "summary": "Find space and defence hardware suppliers and parts by specification, process and certification."
}

What the leaf hashes

{"body":"dd69df1f213408d2e4ce54554bf2f8728acf3ad0e3eadef1207bb5d6ba340e2a","id":22040,"kind":"listing","method":"baseline/1","observed_us":1793025341385586,"prev":null,"subject":"mcp_registry:com.whobuildsit/catalog","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. 0x500314d301b91c3c04b864f186efd0d7d67ad6291b7c462c94170da430d7c8ad
2. 0xe825ee5e7be2ddfaee079f20ba650059e66b648d9170ec2ddddaafa97489263b
3. 0x7fcbbe1c62112fbc714cb866783ec54b73bd4fd91aea093bdd20e82b0eb7e4ae
4. 0xd0d01666e400845e1205e6bad027dc350105a3a1c4cd2338c42f1fb9f6e3ed63
5. 0xd048578c6f2395c8fd9d655237eff6f4245ed4f9bddf9b653dea0d3ab831d0ba
6. 0xa26cb121064b85ce77e863170eeeca7536bc94f18f623b8054549624826e9c89
7. 0x6d35c3d58070777ca4391a1b6c2e0dcbc0e26aac099023bb83bd959692913cef
8. 0x76af4052e4d3b2e2a05dd7ef510e420ed92adcf1005f7fe5845b24b07c0a330e
9. 0x445ce47126891ae452ff344da4c7a0fc597f5e37bf48cfbfe047210b0b4b03c4
10. 0x62c975a2c751182cb374d19834d999a49e29a6df9ba4accfe84ac8b4b21dc54a
11. 0xe281245a49847bca87f4c96f8da0284eeef688f3f597a62adb2d9089f4385e55
12. 0xecaf47ba75097c34f2d3c4d62539dace0db8b484bf08941a9259e2d1e8ccea77
13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae