Evidence row 443133

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://hostaway.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/hostaway/"
    ]
  ],
  "name": "Hostaway MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T08:34:55.140057Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:34:55.140057Z",
        "updatedAt": "2026-10-27T08:34:55.140057Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Manage Hostaway listings, reservations, calendar, guest messages, reviews and tasks.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/hostaway",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://hostaway.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/hostaway",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Hostaway MCP by usefulapi",
      "version": "1.25.0",
      "websiteUrl": "https://usefulapi.io/hostaway/"
    }
  },
  "source": "mcp_registry",
  "summary": "Manage Hostaway listings, reservations, calendar, guest messages, reviews and tasks."
}

What the leaf hashes

{"body":"9b85124e420eb9740429e373a454252ca3ab88fede6dafa9bce477b7b23b5184","id":443133,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093257963040,"prev":56641,"subject":"mcp_registry:io.usefulapi/hostaway","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xcb8586f840c4f70aa06af1b7e33a6668efe2bda5a3f55f54189e698b1a8b2ab9
2. 0x458e2f7a5f3c1b62ea50ee269433d441a79cb9169fb27820f3721b86224a9d8a
3. 0x027f0d05ab7a9c35eebd7540f993091b88af1825eab99859fd94291382f2a130
4. 0x9c0c0fd3444f3acadbe5fab8dbf65d181169f909ee8ae28fdc11f597ef88d822
5. 0x6f21a7feea454c5fbcbf765c62166c6306e65c565ebfa72891060d35aff86c14
6. 0x7ca8f30a5d11fb75ce743f5c4738d3ce49ac4cbb9c8a7fb87d752d12c506ce73
7. 0x211a8354bdcfe2d43e7586e87f86574c6492999c1352d5a56c0021ed5f7e507c
8. 0xd3ebd1d8b815373878a1b5c6b5cbfb1c3174c0e40760067d952a58c895895dd0
9. 0x0d4278a1980e5aee9c2de67b0188027de8dafbb766e82274ebc29cd5e43b57f0
10. 0x01329e374a465f6254ae074b3ab3a888ae0012f8c291524f049222391a97344e
11. 0x95fd8dbb624ecc6822c359ba43d046675a49c3d9c33da7908f9d847fea4eb0f8
12. 0x7142f07ffeddbd14ceabecb9ab27a468e9ab58a2fca5472c5c6a93f3e98f173e
13. 0x938752e9acd199cd15f468392bc2dd8eefc52293e7144e30b87b241ca6b2513b
14. 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4