Evidence row 21678

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.userbrain.com/mcp"
    ]
  ],
  "name": "com.userbrain/mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-07-06T14:58:50.485074Z",
        "status": "active",
        "statusChangedAt": "2026-07-06T14:58:50.485074Z",
        "updatedAt": "2026-07-06T14:58:50.485074Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Explore your Userbrain user test data, summarize feedback, and uncover actionable insights faster.",
      "name": "com.userbrain/mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.userbrain.com/mcp"
        }
      ],
      "version": "1.5.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Explore your Userbrain user test data, summarize feedback, and uncover actionable insights faster."
}

What the leaf hashes

{"body":"c036bd861d0ceebac101f0d61afd46d7bfc4a12448b029ee8e1c11f342d90e04","id":21678,"kind":"listing","method":"baseline/1","observed_us":1793025340817959,"prev":null,"subject":"mcp_registry:com.userbrain/mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x3a33590260222594ee2040e8af5fecbf700760bcad80f3f7398350b4e975fa3a
2. 0x4ef89f0832cb920f170991f12c880a407ca550b5b31f1c3339c84d4e00e160b5
3. 0xd26f6981ad0508e22c0d3030588c3a2b62971f285c091f0bc1fc0146ddfe1dec
4. 0x09fac3759ccade928661ed29164033fcbf21a76d08bbf825ccd2011979a2a4a4
5. 0x9e2082f718f726ccca7b5170679a118dab5ad13cf9a14382e60d00d85a2b4487
6. 0xf37a83c7ff350670c620b3a9c1d20eac477ff7bca5002523b74ac4d3c901abf2
7. 0x973db8259d2e876383bead283773aeb6dd6ecdf9e0f699d3d082382ed9781af8
8. 0xfdbc49809782861c36c941bfc9e94ecc82c790382fa5eb28f49dcab4a49ebb26
9. 0xaddc01aba9ce973160990a7b51da0af08d68d02defedade63d5da26b2d10643b
10. 0xdcc828e24b7442e8235bf18fc875c4401696d216b65ec037eb65cf2ef34782da
11. 0xd9b921e2251851de5c43bdbb4f58d5e2fa1aee215c84e0f3e0426cf1e4a08e8f
12. 0x18cc4431e4bbe45ee72defb9bb3318434364bf71c883055c6197fa7102ec601a
13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae