Evidence row 738812

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/nber-macrohistory/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/nber-macrohistory"
    ]
  ],
  "name": "Nber Macrohistory",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T04:45:27.711108Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T04:45:27.711108Z",
        "updatedAt": "2026-10-28T04:45:27.711108Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "NBER Macrohistory Database — the National Bureau of Economic Research's 'Public Use Data Archive'…",
      "name": "io.github.pipeworx-io/nber-macrohistory",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/nber-macrohistory/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-nber-macrohistory"
      },
      "title": "Nber Macrohistory",
      "version": "0.1.2",
      "websiteUrl": "https://pipeworx.io/packs/nber-macrohistory"
    }
  },
  "source": "mcp_registry",
  "summary": "NBER Macrohistory Database — the National Bureau of Economic Research's 'Public Use Data Archive'…"
}

What the leaf hashes

{"body":"530831efc96a2fe60acaf45e836a85a8d674f2a7253b8da4191b86106a4ad619","id":738812,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793166081461847,"prev":47017,"subject":"mcp_registry:io.github.pipeworx-io/nber-macrohistory","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x6090a8e751936ce2a23c04a5cc1af9a56fd683538a541fb69e8c06d3b7a244db
2. 0x0fd78998ef495215eae1d6546d0a26851faad6ef2232134d6588234baaa682f1
3. 0x2063f318afa5cc7c0026f73671d61179943904ae79d3755972cc7e35ae38f930
4. 0x6cfd007150669bd8a98888382cb8e474c0eded23cba9ab21b8426084ebaa8a93
5. 0x18c182bbcc7474e10fc73ba0004efe637275ebffcf9e30a657e45689cdbe93ba
6. 0x8e50295eef7cfcc6ebd98ecf1addc42174064699c51897dd0a90e8209d398672
7. 0x7f8b77a690094a3c88ba2b8b5eeeda39713fed1ba8f4de781e97d9b22c3cb8da
8. 0x6907b595e579ee637378cc0ebe95d98995dcbcd2e968f8c77cdf9d40c6962a69
9. 0x79f1c65d33c2182c14206abfa4725b6f859b0c2c68395a46ed16c09dd2cfd050
10. 0xb64912e25b9ed78c8521096a2d47f97a58eac3cac8ebee4b8230a82bf1ed947f
11. 0x5966dfed91a7d02dc64494c5bd22d2c43df9d3fe2f0b7d881d541ab8b0f8ccee
12. 0x08c335f610221b2accff009e6da02a820a7090e3842d0eabb28540e71d0acea6
13. 0x05b3d42cfeebe257d8d456af82d1a90957f371989ded6d869ae723454504d258
14. 0x8db2587099a4011758c742fc2aad940742aa47abddf6007f131e0d5ab4a9e92b
15. 0xe6054de1f67b1e6f15bcf16d2b6536cf35dd9705fdf6ce59853e79784693ab5f
16. 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae