Evidence row 25612

What was observed

{
  "endpoints": [
    [
      "web",
      "https://uisandbox.org/"
    ]
  ],
  "name": "UISandbox",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-20T15:31:41.089873Z",
        "status": "deprecated",
        "statusChangedAt": "2026-08-30T22:34:10.625401Z",
        "statusMessage": "Moved to io.github.Ideelab/uisandbox",
        "updatedAt": "2026-08-30T22:34:10.625401Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json",
      "description": "Test your design on the real thing: load a built web app, turn its knobs, verify 1:1, export.",
      "name": "io.github.AlexanderKaan/uisandbox",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "The app the render tools drive (verify, screenshot). Default https://uisandbox.org",
              "format": "string",
              "name": "UISANDBOX_URL"
            }
          ],
          "identifier": "uisandbox-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.3.2"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/AlexanderKaan/uisandbox"
      },
      "title": "UISandbox",
      "version": "0.3.2",
      "websiteUrl": "https://uisandbox.org"
    }
  },
  "source": "mcp_registry",
  "summary": "Test your design on the real thing: load a built web app, turn its knobs, verify 1:1, export."
}

What the leaf hashes

{"body":"7d4b4f912e9765363ba739ee3178dec8e23354e7bed2492db0a83d3a90d89fa9","id":25612,"kind":"listing","method":"baseline/1","observed_us":1793025354966616,"prev":null,"subject":"mcp_registry:io.github.AlexanderKaan/uisandbox","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. 0x4178b57d90503d48b2cd86471613b36e6fb2ca7646a09e5c76d98cd21a39f02c
2. 0xc2234652bbdd4f709226eaeb2c28288a84e5ec10f3fe32c07c8c5d01ec2fd988
3. 0xf8a7f913ae9f4dd1bd9bdff3ef7640e44faf666c77335e72c2b4891ab97bf1ab
4. 0x3a55d4a537f062021d3f7dd426c462d0f8b052ee9e7a5c0badd9e7720ed28fca
5. 0x8fc07f5fd3606e577820ab2e8be8109d440dacc9d60f6f374c135dedcc0832f7
6. 0x6209068e402c3af589860ea41d94a395aea2db1b3a944b368a022987e1fb4819
7. 0x8082d54f82cddbcccd4a2aaa199f6296f4287ea0cdbc2799a14fa8bf3539497b
8. 0x6cd715a8e7dc1ce7b1d0a4c4332885a2f8f9371480629e8f6a9a5b6b08f27b3b
9. 0x71dd45313484c769e1abadc01adf06b3ce7d999ae76f876972a3fdc32239d5ed
10. 0x5abcabf96a8e684fe6e262d534520acf62828f31c0a7a0f29ffa7346f72de9b1
11. 0x475d2fbee38b77be440946f3f083a3953187376db2f7f57a3a3db41905aa12b6
12. 0xe2bb2a30c74e0bf16b8b75c332bdd45334d0338bef3f3022b7ea7b55718e1369
13. 0xd406739acce2ba016f8d49081b15f266a4ea4a0b0fc5ef171c89c8fd2dda4d80
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae