Evidence row 21742

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://velliumandco.com/mcp"
    ],
    [
      "web",
      "https://velliumandco.com/"
    ]
  ],
  "name": "Vellium & Co Testing Lab",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-12T01:55:55.338292Z",
        "status": "active",
        "statusChangedAt": "2026-10-12T01:55:55.338292Z",
        "updatedAt": "2026-10-12T01:55:55.338292Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Independent checks of paid x402 data sellers and of AI-agent access to shopping and travel sites",
      "name": "com.velliumandco/lab",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://velliumandco.com/mcp"
        }
      ],
      "title": "Vellium & Co Testing Lab",
      "version": "1.0.0",
      "websiteUrl": "https://velliumandco.com/"
    }
  },
  "source": "mcp_registry",
  "summary": "Independent checks of paid x402 data sellers and of AI-agent access to shopping and travel sites"
}

What the leaf hashes

{"body":"78b1d16cffce478b0b5b5eea5d4ce9901a38cf57728bc63807b3fb6368992fb7","id":21742,"kind":"listing","method":"baseline/1","observed_us":1793025340896927,"prev":null,"subject":"mcp_registry:com.velliumandco/lab","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. 0x750f80149d7a9b7df130aa0ebff98d4385443f19d6c99f0cd9fdb4ec14edbcef
2. 0x64bd0fdcd960b91f6caf449c673a00efba53fdd1a0ab3805b0a5fa35e7a877f4
3. 0x0dc662fea97156b5161c24bd1ccd3378408cccde85e0a59a71bca5006f257f41
4. 0xa5cc2bfb6db7d46c27018a329967acb94f4aab6fc55b2ecfa1da6f3774b8eab7
5. 0xbb50fe91036fb39e430d28cb8a0aa391f4de9a39611ff101851507362ddb66e4
6. 0x0fa543c8fa276c863a5bceb11f6663338810c0d5d75d97476cbfb6afa56b52b9
7. 0x6ef54b1db1561d39d41d52634aac396b7d477d4bff64786709d67356cb65c054
8. 0x6ec9a3757427cee2e00f8d8c1f7d15cf3f16e79716ab18ef06b2f334af0c69a5
9. 0x3e6cd050d8689064b852ac883c96c324e0131a491f68bc3ef665584d5fac9073
10. 0xa5cab88755e99fd7d4830115b4e412f63a460a19c270832f53f6e32be125c3da
11. 0xff8296d2db87846f2b3d9a7a4926ee8ea17587a9a2960c155a4f0e1d36206dd8
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae