Evidence row 58417

What was observed

{
  "endpoints": [
    [
      "web",
      "https://thewaterhub.org/"
    ]
  ],
  "name": "org.thewaterhub/water-system-pricing-index",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-06T17:55:07.458633Z",
        "status": "active",
        "statusChangedAt": "2026-09-06T17:55:07.458633Z",
        "updatedAt": "2026-09-06T17:55:07.458633Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "The Water Hub: the median advertised water softener system price, read from verified brand...",
      "name": "org.thewaterhub/water-system-pricing-index",
      "packages": [
        {
          "identifier": "@ellul-estate/thewaterhub-org-water-system-pricing-index-mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.0.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/joeetdev/venture-estate"
      },
      "version": "1.0.0",
      "websiteUrl": "https://thewaterhub.org"
    }
  },
  "source": "mcp_registry",
  "summary": "The Water Hub: the median advertised water softener system price, read from verified brand..."
}

What the leaf hashes

{"body":"72d3efad9912cdfabd1c35239867b5f18cc6a95e86f825bb1677c64d59b5205f","id":58417,"kind":"listing","method":"baseline/1","observed_us":1793025444400316,"prev":null,"subject":"mcp_registry:org.thewaterhub/water-system-pricing-index","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. 0x24729502ab949995125dc22751211544d091b1ed24d53b7e18f041c3c99077fa
2. 0xbf6f0ed81d041de443262170dbe81b17ef2cf036dfb7b016d3bacabc5ddfb20e
3. 0x93f068f8ae8669e900abbe7b5ddacaa9bc5227f5ef904bc308fb2fb3f95ee900
4. 0x14a3c0419ec8ccefcd37a4e0f77a910d62702c3ac241628b70ef71bc8223921c
5. 0xb9689709978e43ffe764d02f1a511c76505ee9f469d2bdac90cb04b73b342d50
6. 0x949fdaf0d65cfa9ccae210dbf84c32ffd1e0038f5f2c5b7922d91332019c1f96
7. 0x49dfa8fd2e51c2572217d49a181f50faaf44d4ed510e6616c12fea7baf667b3b
8. 0x581cd621da2c2da8adabbed8572ae64e70d107d6385c2ff6f8feebd16d8782fc
9. 0x47531e9be38821c43ddea76287add343c1dc481d9e3c6f1a8783eb20700fbf09
10. 0xfe4ee9a25c2f5ad925133380f1786d74cb1b3864d5014888d5e20a14c89ec5b0
11. 0xcd59d6e87f33016070792bd627b1f58155e890e1fdf84deab560cdcb1c986874
12. 0x2ceb9cc3a43f479e6ab73db5d3d474a93995fb4188ee45f71846b4cf537a0016
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae