Evidence row 1503276

What was observed

{
  "endpoints": [
    [
      "web",
      "https://postalref.com/"
    ],
    [
      "mcp",
      "https://postalref.com/mcp"
    ]
  ],
  "name": "postalref",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T17:56:09.005732Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:56:09.005732Z",
        "updatedAt": "2026-10-31T17:56:09.005732Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "USPS package barcodes, service type codes and mailing terms, each cited to its USPS source.",
      "name": "com.postalref/postalref",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://postalref.com/mcp"
        }
      ],
      "title": "postalref",
      "version": "0.1.0",
      "websiteUrl": "https://postalref.com"
    }
  },
  "source": "mcp_registry",
  "summary": "USPS package barcodes, service type codes and mailing terms, each cited to its USPS source."
}

What the leaf hashes

{"body":"dbd60211e86992c4527ed13c07b5cf567a334bdd019968d1d039168c21a8fc8b","id":1503276,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793470580871560,"prev":null,"subject":"mcp_registry:com.postalref/postalref","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. 0xd11b1412313aaf4f1a4a245779dff1e87e70497fafd506eae9de635ae2d12911
2. 0x093778feb6d0842322b60830f5712a18704d3257261261db902babdfdc5bf0d0
3. 0x6ec6d3258fcc02cbd8929a8acade852ddfa991d562298ab89a54aa0accf718a5
4. 0xc3742381b93e8a5adde9e0553acbfa16eabe5b15170b7c41a2650cff55484be9
5. 0xe8151b3618ad34454679b4990b3d9e8bc1984b36a50b8f9a1a3b00b05176e99f
6. 0xae85875c6e9dac9ee6ca741231f230b45ec8b4e02a40555b0c1974c3c413478d
7. 0x39e3e8b192940904398184c6422eb8db4c75beead4b9dab4835007b65a13099c
8. 0xfabe316c96b426850b3773e32a3e882b8d8023a200fb6f9c4a767b0f907831b4
9. 0x7423dfd2eaa447fbb7b20c7f7350dc37ec09bfb35f94a2f2ae3c47020ccdb3f1
10. 0x9c56db8a3f8a1207a6a89c6a4f4f238277a1d41d44e0a2fdca06e54d266de11c
11. 0xd37c8a5b1d37509a367a85e6cb3febac7814625c21df64bd1ada17a71efcc82a
12. 0xe245da4cab8fc7a4e377b9f0747cfd6766184747e99e82983be79847543a746a
13. 0xded599ea8c32984a8ba2e27bc0d691c8ef093be011690001291a28bda5f984d0
14. 0x0914258a3cd32c99db9301b59460f511f2cae6747f3045a418ce9caa1edb7ef9
15. 0xad3f03d7f9e1b66264ddfca29446faf13bc0fee7d8eec5f018d0d45302d3f8fd
16. 0x24f03354dcb3a621317889ed99048bdf74b380516ca991bfb585c751d5cc7dfd
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0