Evidence row 1500353

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://reservio.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/reservio/"
    ]
  ],
  "name": "Reservio MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T17:15:13.835789Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:15:13.835789Z",
        "updatedAt": "2026-10-31T17:15:13.835789Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Check open slots, list bookings, services and staff, book appointments and group events in Reservio.",
      "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/reservio",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://reservio.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/reservio",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Reservio MCP by usefulapi",
      "version": "1.1.0",
      "websiteUrl": "https://usefulapi.io/reservio/"
    }
  },
  "source": "mcp_registry",
  "summary": "Check open slots, list bookings, services and staff, book appointments and group events in Reservio."
}

What the leaf hashes

{"body":"50230ea0a142a47ccf9b4429d59b1ca25dc9cd274471471e9cc9e62b493b58bf","id":1500353,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466976014384,"prev":null,"subject":"mcp_registry:io.usefulapi/reservio","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. 0xcf7245ea8d2547ff342bc29653cccbf1cae21d5ed5c2d2b926854aa42eef44b2
2. 0x3485e5cc02fd8e8efd763479c01454eee398298c208f83aa641f6ee88b27588d
3. 0x8c770b5ecdf295d00c027235ed14faf84d7dc1e09c7d08207e40d93894554302
4. 0x2c23e815a8f20a084f559c22b6bbf5ddf5ab2f189dfaa582dde6456e4764e5db
5. 0x58f48b0cfd398ffa07b669d271dfdca4e185c86a5ceecc6e8aa8db6db7fcb460
6. 0xa4d322bbe40a35ddc19dd255d44a3ed3fc995730e4ffee169bac1f43ec10edb5
7. 0x45fc06685700fca39dba1166c06cfbc21b85b0ad9636d36fc2424320fd941650
8. 0x6e0f574eb1a568a5e905638770ab059743c8d738aed2644351c5819041e69018
9. 0x9b27b6ee17cf619c2eaf8e26c3f73a8784b90065836c5cc794561c34adef85fe
10. 0x7e43783d3f17911440f663660a795c9b54679cb55d1cf074a44b4e0031116f20
11. 0x468ac6a22dce19fbfaa27e96f99bbd2e897622df556d42c4e89d3527010d79d9
12. 0xba868b2f1cd63acc426cbe69b330be28a71a278a86a64bc4049a67caba3b7373
13. 0x879ea14b1df50a9eb1b0b6c572c1b9a9c8ea03779d4e7040c5836848130f41fc
14. 0x0914258a3cd32c99db9301b59460f511f2cae6747f3045a418ce9caa1edb7ef9
15. 0xad3f03d7f9e1b66264ddfca29446faf13bc0fee7d8eec5f018d0d45302d3f8fd
16. 0x24f03354dcb3a621317889ed99048bdf74b380516ca991bfb585c751d5cc7dfd
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0