Evidence row 52546

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.querybear.com/mcp"
    ],
    [
      "web",
      "https://querybear.com/"
    ]
  ],
  "name": "QueryBear",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-05-02T21:18:44.407319Z",
        "status": "active",
        "statusChangedAt": "2026-05-02T21:18:44.407319Z",
        "updatedAt": "2026-05-02T21:18:44.407319Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Safe, read-only Postgres and MySQL access for AI agents. Audit log + column-level controls.",
      "name": "io.github.spencerpauly/querybear",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.querybear.com/mcp"
        }
      ],
      "title": "QueryBear",
      "version": "1.0.0",
      "websiteUrl": "https://querybear.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Safe, read-only Postgres and MySQL access for AI agents. Audit log + column-level controls."
}

What the leaf hashes

{"body":"4aee7b2f58b320b6f16ed4906726f48f4c76e16fbebf065ceb3f7d48154165fc","id":52546,"kind":"listing","method":"baseline/1","observed_us":1793025419991818,"prev":null,"subject":"mcp_registry:io.github.spencerpauly/querybear","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. 0x48a81d4a1272a2159264416dd9b464e7b89a6c43f0b2689b2cfef3793aee541d
2. 0x5d574c3eed9033958b5e770646e09183ca8a1caeacf80a44c761da93d186807b
3. 0x03a1fc125ada05588863112d9b3b80f3b9436353e0b89e662ca3cc842465fea3
4. 0xe628e035996f317fecce6e6898b55e01ff12ea2490e55afa8a106f04e6db1c47
5. 0x5a7124ddad0c160c497e1155265032b7adceb43456d8a2c2782608fd49fc7c1e
6. 0x70db19de1d49b3e5069688d6e2f379e7c28c08615a9982ebaeb12d4b53651e8e
7. 0x2fbdf99fe6899b89ec76062a523e8333f2b9b3d55637d3d081419541976732f4
8. 0x837e67d57e76227d06342f243ca1fb3c4f6039a30ee4f2b10e74ca470d04ac76
9. 0x6c09280b92acd71bb58e3513f463f7dd1f2033d8b0e1e107cf1aaf2aed1b065a
10. 0x5310f81ab0ad38d96cec4307f26d3ddc5999c60727b9527b541506c3d5584ae6
11. 0x698f6ba6ffdd19057a2337a8eb71a612a58ea57160b0993c65313b7a3f2a2956
12. 0xae3550e71ca4b0f0b86c9905b234388d6bc01a22e52324fb1ee62a553273a1fe
13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae