Evidence row 800737

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gingr.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/gingr/"
    ]
  ],
  "name": "Gingr MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T20:04:53.895679Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:04:53.895679Z",
        "updatedAt": "2026-10-28T20:04:53.895679Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Gingr reservations, owners, pets, check-ins, invoices and timeclock for your pet-care business.",
      "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/gingr",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gingr.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/gingr",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Gingr MCP by usefulapi",
      "version": "1.18.0",
      "websiteUrl": "https://usefulapi.io/gingr/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Gingr reservations, owners, pets, check-ins, invoices and timeclock for your pet-care business."
}

What the leaf hashes

{"body":"dbfa3d9e158a89b9b9a96da226cd3083d8ff999695b699ab776240672ac4fdca","id":800737,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218351490015,"prev":795716,"subject":"mcp_registry:io.usefulapi/gingr","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x04285553560537541dc70c3287252fe5ef686cdc19cabe641c7be0f1004fb9e9
2. 0x93e50c6ee1a908027a68c7a5cda34ab45d04589bf9a4a0d632c176d7a893c37e
3. 0x25ede8bc93cc8352667c86153c6217c8fc87c5c50375529dff9d778b3196eb8d
4. 0x2a8465017d30bd8ab0609da0d802b570e94506251bbc0d601a5f08afef2a84f6
5. 0x573184e52244940537281cda9c1a6cbbf2c566de7dccf74a515880c6d3285e00
6. 0xae0a5150c2ea5924f0e388eb60b4004b48f51f80006153b42cfad36c10a37fee
7. 0xe12e8c9caa21b312a185e4a0496f196b34afc2d3555e7d2691fe0b5bdcc5ea86
8. 0x3048c7ab23e734a582525b302373bb7519396170217ecd28d48f29e9731e82af
9. 0xa32725a6241709a7930adc67134431a3c69d0cfa3fb12a2ebd7dcb6bb5e2f8f1
10. 0xe3834e5c6f7a7bfc7e9a4dfabb8d25aec2bbb99a3486ecbf66e4ad3b52c1d2f3
11. 0xba8fc096b9df732730a181f7a1430d492a47e9ca8197d9859ec92b1e086bc639
12. 0x4ae338fa3fa21a954c13d3408e2ae6f6fa590f6c5b259c3be272c01c49d61dff
13. 0x2748717dc805010a80117b9368e06da73797779c05701bb29fa2d6d90fbc4b98
14. 0xf3fd571846115a5778f2f20ec53a7e9b272de5f8737a627379966b3745ad5e29
15. 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
16. 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae