Evidence row 1538240

What was observed

{
  "endpoints": [
    [
      "web",
      "https://agents.noahsarch.tech/"
    ],
    [
      "mcp",
      "https://einvoice.noahsarch.tech/mcp"
    ]
  ],
  "name": "GCC e-Invoice Preflight Oracle",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T20:52:44.883909Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:52:44.883909Z",
        "updatedAt": "2026-10-31T20:52:44.883909Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Validate UAE PINT AE and Saudi ZATCA e-invoices: UBL, official Schematron, QR, fix hints.",
      "name": "tech.noahsarch/einvoice-preflight",
      "remotes": [
        {
          "headers": [
            {
              "description": "API key from contact@noahsarch.tech (catalogue and free tools work without it)",
              "isSecret": true,
              "name": "X-API-Key"
            }
          ],
          "type": "streamable-http",
          "url": "https://einvoice.noahsarch.tech/mcp"
        }
      ],
      "title": "GCC e-Invoice Preflight Oracle",
      "version": "0.1.0",
      "websiteUrl": "https://agents.noahsarch.tech/"
    }
  },
  "source": "mcp_registry",
  "summary": "Validate UAE PINT AE and Saudi ZATCA e-invoices: UBL, official Schematron, QR, fix hints."
}

What the leaf hashes

{"body":"548bbb88686ee973580eca035cbf4540a5f44d8292fba2fb68090c73b3de5f84","id":1538240,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481419839327,"prev":null,"subject":"mcp_registry:tech.noahsarch/einvoice-preflight","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x1084e5848fb21604026c503dbfec4d439048f70bf6a4cc3b967f898d80f22d9b
2. 0x7f157cb4d8cfa717332ed242eef06c230e982418754ed7b23fa38b8a6e827e49
3. 0x27e91703d1e449ffd980170d6cdd5c8e14380d190329e5a149c59cfa5680ed29
4. 0x2935f2b3aa2aeea72b11972aebe93458eda84272bec962071fd882afee2fcc04
5. 0x8f98fdf79b1f21397a327f83f414ab08d1ded710c8eb2e1f9188e8bc70d0932d
6. 0xf430f8f0a3a43280b0dd5f79079bc70169b47b81000cfe42fa38eecd987723dc
7. 0x13e8ca083d5c782d0393aa5684ccc90172b94d2c6023f8f6b40f8069f3bab53d
8. 0xf189d1d065fab86ead76ec496c36b087d934b63c3c96f1efc318962208c40a80
9. 0x83cab5060d05c0099029bdcee24cdcfc2398ec6abd5d5e080c48f210539f50d5
10. 0x06c57387c7c69d797ff5e2cc996de684d368f6016ab28d421921b69763856e95
11. 0xeab6944bed587ea0c6664ef80721c3c4a4b6aa56dab8c29b5f76aea2e943d1c2
12. 0x353b0e62243cf4740dc2ec1cbec4a19063bd5a1d9f654c5c0d568e8cf638ea7b
13. 0xcb2cb28a33039aae566babd0a0b4f4ee907393fb561a2e3c876f0270ee9a2350
14. 0x5f01ce2f7be13617b127cba8dfc54bc12d54dc74dbe1632c8104af22668fd4f3
15. 0x72fbe549c493739bb99e38209648de550f136f904e61b4f7609a937c2630a055
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0