Evidence row 1544870

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": "2026-10-31T22:22:16.55938Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T22:22:16.55938Z",
        "updatedAt": "2026-10-31T22:22:16.55938Z"
      }
    },
    "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.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://agents.noahsarch.tech/icons/noahsarch-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "64x64"
          ],
          "src": "https://agents.noahsarch.tech/icons/noahsarch-64.png"
        },
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://agents.noahsarch.tech/icons/noahsarch.svg"
        }
      ],
      "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": "0.1.1",
      "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":"1437ef4270f035086a55151832da382ce75f658468360e3614c7b117d2d024ce","id":1544870,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793488625883779,"prev":1538240,"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. 0x065e2ddf3b1a93a70acbc906b40b068a28ae9953520f7d2181a9e71287970d39
2. 0xe6484f24d7c8fb5c2b9ffecc22948583839f804d1be4a2a37ee1ac920ba7c020
3. 0x22367c2b30539637946536a7734586b562e31e8277cd8f309b37087e123ab1e4
4. 0x512a197056a0efb1d42aab2a738218c48e9fe86a78de53eccf910b776441c847
5. 0xdda7f2ecf27ea40f67e72302dd44f81d500bcfdec01a553fd5680b137d143488
6. 0x0b0c7f000ac4e24df85aa19c885498a0500702d0158f8ccfd3ab74e5af21051d
7. 0x53d4b93004a7208483ec0840dc5ba39b91f6fc4336684e34da368f8d86eecf6b
8. 0xa29eb776f44f363067a2640f596738237578ff6b06d783e28747022df9c507b7
9. 0x601056943d99fd1931dfd00675e05ff9451e9f254166defc3d8a5d6e471bcdd7
10. 0x3698dd9c9be1320ae526ef92941cb0cb567c897fa3b08eb038ca488c23c7e136
11. 0x18930a42bb840a5572860d820ac0847bfbdee3f2223104738e39a16dac3b5bfb
12. 0xfc1ce3f1110af72b076914927b27361baa19e53c889a2132c5e0554b33bfc199
13. 0xf710e54eacbe157b618c64e8dad060fdfb69ebcb70c1ca3bd9216c2857848588
14. 0x3c6faa3733ce39f85107d6cf00f3a7c42fd5fd374502ec6e62b0305586bf03de
15. 0x72fbe549c493739bb99e38209648de550f136f904e61b4f7609a937c2630a055
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0