Evidence row 16053

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://helvabase.com/mcp"
    ],
    [
      "web",
      "https://helvabase.com/"
    ]
  ],
  "name": "Helvabase — Governed response dossiers",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-14T14:35:19.975915Z",
        "status": "active",
        "statusChangedAt": "2026-09-14T14:35:19.975915Z",
        "updatedAt": "2026-09-14T14:35:19.975915Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Connect your AI assistant to governed tender and RFP dossiers: sources, versions, decisions.",
      "name": "com.helvabase/helvabase",
      "remotes": [
        {
          "headers": [
            {
              "description": "Helvabase account authorization (OAuth via the connect flow).",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://helvabase.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/alopez3006/helvabase-mcp"
      },
      "title": "Helvabase — Governed response dossiers",
      "version": "1.0.0",
      "websiteUrl": "https://helvabase.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Connect your AI assistant to governed tender and RFP dossiers: sources, versions, decisions."
}

What the leaf hashes

{"body":"5c2bb1aae32963b440d5a574a00ad0005375ed023df908d7108e7a5930e5bd8d","id":16053,"kind":"listing","method":"baseline/1","observed_us":1793025321884829,"prev":null,"subject":"mcp_registry:com.helvabase/helvabase","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. 0xc3289bb5c77bbc7ecd1566a59cc3f8221273c2db6a26471d395a50d95e420922
2. 0x89ce3cb81270b97bf316de1d5e35796e4bd1ce9825bd0f83ad6ccbaf326a0cae
3. 0x5ecfaaa538bbcb78a335cba08ccf77096908d46e3aa23463a1dffe5860df0c26
4. 0x4168263d93a25cb58b26c22cba9719f7c9e7a9df253e4f0fc20f492fd9d07ba5
5. 0x34b3c9de82581738528d53a90c479e282c8f4b086819b35d70f19f2dbfc8ec34
6. 0xc33f9e3c374fd408b67ce24d7808fec3d4e41739cf40d42a7d3af94d31f5478d
7. 0xfed59d7fb2398248bf8276e035bb722aaf89471ee4b4af69edf76a96945ecc14
8. 0x4210c0813cd19b511bc7ae88af46b2e84c8650513fda399addf7c86b62451a73
9. 0xaecea24081eddc492f2627d7a524e8dacb8752124e901c8341d96d99238ca95e
10. 0x00d960df50a5325e5736603a5a0d0a56310dedcefbef5371376f8262982d78ed
11. 0x7f4ae229fdca48d3ef8476aa02e4d171abb9d529ffe12fe147f9a22b16589b6a
12. 0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae