Evidence row 1234306

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/altos/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/altos"
    ]
  ],
  "name": "Altos",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T07:28:12.930458Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T07:28:12.930458Z",
        "updatedAt": "2026-10-30T07:28:12.930458Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Altos Research MCP — Real estate market intelligence",
      "name": "io.github.pipeworx-io/altos",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-altos",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/altos/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-altos"
      },
      "title": "Altos",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/altos"
    }
  },
  "source": "mcp_registry",
  "summary": "Altos Research MCP — Real estate market intelligence"
}

What the leaf hashes

{"body":"9f001fcec80fa5f16f6b78b787b8e89a497bef5b6db3d1da06d7a6cd7af529e9","id":1234306,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793348109176038,"prev":1000922,"subject":"mcp_registry:io.github.pipeworx-io/altos","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x5687b031be3c55ebb3ad1f7a02482e3c616801ffdaf8bc69f4a02fd79cc288d4
2. 0xca0252374e52ca9624d5588fc6d62603d69b77be36993b593fca3fae4a01aa28
3. 0xf9378b1fdc1fcf60dd139c6de82c3d11708b463881e6d50547e627772672df74
4. 0x14fd0f120241f151168412e39fe92e8bb21df883cbcf13a17ce366b9728bf01a
5. 0x050a004eaf98770aefc289651bdb4812392f89e488675fe6ef10d4a099843a8e
6. 0x72bbec4cbe7380afbc3fa52e7312ecec314dad7d3be5da85207d7aeff651943c
7. 0x5940f8e9da0523bac845de3669a1eddc830900f503de98f44422a16859095636
8. 0x6fa606f99b52978167d3f544c9687175e7972020b6b05d3be9ef91f290b27243
9. 0x0bef405a7a3d621e7ba792e4ce0916d1d28e876e52a66b3d76df5870274e8b79
10. 0x8228598c98b5e6f3a1cd6f72f2534aaee7dc37aeda085d95d00a34bea0d4fd22
11. 0x96fe03ba54a8614f90d92df2ddb3e1c916ce960c79b0b1561a9a17192ab19a22
12. 0x7bcb4ff4acc8cf0356dc53d75f2dc9a92527c79d742a5b4c9304d1957ab853bc
13. 0x2ec0a6d79ff828ec3f4a33d6574863da0ead3c7bbeae5ac9a5f800d4be6a010b
14. 0xd036f65644c5bb700403844636b74b07a0ecb42fea108fce98c04207855ccb3e
15. 0x7ecc532de10b728de98de2eb2a81fbd8da2254ff32b38b6ffde14af9964fc470
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861