Evidence row 738876

What was observed

{
  "endpoints": [
    [
      "web",
      "https://pyeconomics.readthedocs.io/en/main/mcp.html"
    ]
  ],
  "name": "pyeconomics",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T05:10:07.201335Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T05:10:07.201335Z",
        "updatedAt": "2026-10-28T05:10:07.201335Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Tested, cited economics and finance models and data, with a provenance manifest per result.",
      "name": "io.github.pyeconomics-dev/pyeconomics",
      "packages": [
        {
          "identifier": "pyeconomics",
          "packageArguments": [
            {
              "description": "Run the MCP server over stdio.",
              "type": "positional",
              "value": "mcp"
            }
          ],
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "runtimeArguments": [
            {
              "description": "Install the package with its mcp extra, the MCP SDK.",
              "name": "--from",
              "type": "named",
              "value": "pyeconomics[mcp]==1.0.0b1"
            }
          ],
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "1.0.0b1"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pyeconomics-dev/pyeconomics"
      },
      "title": "pyeconomics",
      "version": "1.0.0b1",
      "websiteUrl": "https://pyeconomics.readthedocs.io/en/main/mcp.html"
    }
  },
  "source": "mcp_registry",
  "summary": "Tested, cited economics and finance models and data, with a provenance manifest per result."
}

What the leaf hashes

{"body":"92161e6c73317791f66a701ff5d1104f3af814fd855c199d3046a9655dd7feb4","id":738876,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793166081651678,"prev":null,"subject":"mcp_registry:io.github.pyeconomics-dev/pyeconomics","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. 0x4ae6dfae5d761b3605ac02f2e423683482cd8295ab8314e4c971c32f53d32db4
2. 0xa61e59d5ebc36c2848c1ecb2997bca9f751fba298f575d37c56dc43dd2070dbb
3. 0x1ab7ee3f29cd2d2fc2dc672f85fafebc7902b3a93a3388c1c4d02149ea6502a3
4. 0xbe8b7281dd754b920971f7cf10cda9b32cb9ea0e534db850c7cc0f0310bac8af
5. 0xac7d9cf00016358d8e404fabf2ccc61fda8bbc48bb1a3393e51b25eeab9b4bb6
6. 0xce8105ab0a9a40a97bc44b1cc8ccf08d3ed5c20834423c5b46e7362f175307ac
7. 0xaec6f434dbe01c61dcc6de62eaa466716d6cb172e014873fa183ccebadf48385
8. 0x8a845e89ca5c1bd60560d00f3b200a80edc2732352bb352dae6ada36fddd0ed1
9. 0x85097a0e11ed8f6bb7d756bbd67f3fd286f6b57a4834e9da670be8cd9a541451
10. 0xb93080416c133bb26f70c89bd6888f39f48358be853d9cf1bfa3099bdf407b99
11. 0x194985fb3c20309a44f502702ddc4a9da274d437ff5429aeccfd64708b5a6ae9
12. 0x452c806d12064308b4ebfccab1b646e19ca573918d5b585e504719cdb9979c1b
13. 0xcd9508730eccc12805d437e344327db8c6acaa3d9eaa561016f203991120b308
14. 0x8dce5117e7908d42b8abe04939e957eaffbae76d0f0a9d9ca7bb199e561aecf3
15. 0xd12637e9c035a4c3a66d0f0436dfc7bf3f13da4d17ea045b647d9e9beef1ef11
16. 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae