Evidence row 1503357

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": "2026-10-31T17:38:57.535441Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:38:57.535441Z",
        "updatedAt": "2026-10-31T17:38:57.535441Z"
      }
    },
    "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": "1.31.0",
      "websiteUrl": "https://usefulapi.io/hostaway/"
    }
  },
  "source": "mcp_registry",
  "summary": "Manage Hostaway listings, reservations, calendar, guest messages, reviews and tasks."
}

What the leaf hashes

{"body":"813c7209c50d109a86afca45a71fd399857364f5479f7977d55a05cfb70ed372","id":1503357,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793470598402328,"prev":1481978,"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 2026-10-31 (246033 rows).

1. 0x07ffea8ff0ee193c765b061fc440bec8cfafc1c0374eb294b15b70b20dd399c0
2. 0xff3ccd7780d81eb6a0dca60deec51130e343ac0a3a22459e7cb9244d70d7a855
3. 0x41f0a62f42a70f4e03f9b93418f77bf4beb5521f35f57843a54030a8a596bc55
4. 0xe288b640caea121f868772e2caf9f6600a45edde3eabbf624ceb34c92fd18cd4
5. 0xd6019185efcd4e9c826bcccde0f40e15f6ea6f595e41bfde5319baf5df6c531d
6. 0x72591f7c7b3730b4c2d51619908164557373b61e97917eab4cca2f7759e9c8b0
7. 0xfb1d24296da73fee36a9da0a2a9d446014851abb8eb9c668a43730864fa36041
8. 0x55ab6c11a7bdc3e95976c0afbb15e749afd1670bb83563696db546cf8d635714
9. 0x45d3e5341e9ee8d46c6d21791d5dcea30fa406812550ea29cadc97b2e131d8c2
10. 0xd6c7ee9590033b366496d243594259e8634b664ad613edcf07aaab2bcfe35de1
11. 0x438ca845d6c1465c7b24e24206db1b9b9f05e54340cf91720169179caae4f686
12. 0x1f70d8b03b3dfa5e37b653d675d329fd69dc7d07a418bee0f5f2eb4ae65437ea
13. 0xf710e54eacbe157b618c64e8dad060fdfb69ebcb70c1ca3bd9216c2857848588
14. 0x3c6faa3733ce39f85107d6cf00f3a7c42fd5fd374502ec6e62b0305586bf03de
15. 0x72fbe549c493739bb99e38209648de550f136f904e61b4f7609a937c2630a055
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0