Evidence row 1257603

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": "2026-10-30T15:15:55.506195Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T15:15:55.506195Z",
        "updatedAt": "2026-10-30T15:15:55.506195Z"
      }
    },
    "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": "1.29.2",
      "websiteUrl": "https://usefulapi.io/hostaway/"
    }
  },
  "source": "mcp_registry",
  "summary": "Manage Hostaway listings, reservations, calendar, guest messages, reviews and tasks."
}

What the leaf hashes

{"body":"2f7a0da443230b29aeca71375c4bcbded9008e6242f67e7426667f3e0c481fc6","id":1257603,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793376929434478,"prev":1249615,"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 2026-10-30 (243099 rows).

1. 0xccd3e8898f67132c957caad3cb1c8c0689af76b044656cbad70708b5af981082
2. 0x6a280308479cb8a203c8ba67755f6cbd0a2f230bd43828bf4749b6a60e1dcb3a
3. 0xc7753a33c30d8556d7eba8083591a7f6499bbf5aa3b9809858545ac89a59806f
4. 0xf5aa0c8c0e31ad282071de0be8ac2560e8f757ea1bbde73d5a6ebb5bf9dd7c1a
5. 0x352882b6cc18f2dd89abebe6b0040d7bcf876926effee46c941aaa08f47b6687
6. 0xccbf970175ca07375e4c6bc21560d17ab26f140d90263235785dc7ca519ed46b
7. 0xc0dd24e094a0a506bd2340715b9b940e8d43d099dae16c7254b785abc84f1528
8. 0x2f2a4876ac9dcaef78542ffaa81207b003615eb266a5d0112386fe399a809ed7
9. 0x5c811955d04d90e5e98fab8b764c41dca7fca9673d4ea21da26d01e358b65fe1
10. 0x24648898b4cfdc2991c06c5d978dc21a27f51882096cadcd9944f4a6fe2248c3
11. 0xb8cda798ddeca8ecc55aef7f5f6d3c134cb1259dd5ac4fa8153dee66eb20b6f1
12. 0xf1b7c84572f14030fd833e96a295b52d84759ca8f204732612837e1dfa8a00ba
13. 0x7dd437c898d20229e76a7faab5e409af0e7e8225e640982d9bcc230f9c2ab2be
14. 0x7ac7cb68967f6959f2b6a4c2bd1261865c8bce61484defcaab7d55cd759f2223
15. 0x9fb4eebd924fd42d4eb61d55691812de0db9242fc9c0dabb65c4054447246797
16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861