Evidence row 1828822

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://prisync.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/prisync/"
    ]
  ],
  "name": "Prisync MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T20:36:11.603507Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:36:11.603507Z",
        "updatedAt": "2026-11-01T20:36:11.603507Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read products, brands, competitor URLs and prices; add and edit products in Prisync.",
      "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/prisync",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://prisync.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/prisync",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Prisync MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/prisync/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read products, brands, competitor URLs and prices; add and edit products in Prisync."
}

What the leaf hashes

{"body":"6664cc1d7c28c283fcd94413490c7082f77130450cb92e532295db57049c777b","id":1828822,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567869244890,"prev":null,"subject":"mcp_registry:io.usefulapi/prisync","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xf5c70c561805c2ec90ac1a4a6b66fe07bb786465ad2cd5351da193f01e02247e
2. 0x0df2afc194746faabd72b4bf4e6fc37d49bb0de8c9282ed87e58503cd80340f6
3. 0xa8f44373663b6f00e245d9cd80bb5ce3b3de770105acfe6f49a7298672e3f87e
4. 0x646c434b53dd5ef6b4043638e3c389f360fe3285f2da6abb16c92e6e917efb19
5. 0x442261f58e7bcc193bab89759ce66851ecdc0041d0d2029df76dc7b3c6234a79
6. 0x12becedc8e23b4a5cc30fa8ab5c62b559ee472f6007e0434dd75d2c7831ab2bf
7. 0x694a7161ae45a935f4f45491c045e95d86e766c212936c6483665bc1e3aae943
8. 0xa7b4068a7e5feccb897bb857cbed51cf25640009113a63b75a460dee718e31d5
9. 0x63d87d6166fca7e74fe3ab2c9ebba451b261488410d306ef923f3ff495f5924d
10. 0xedbabda5d56e2bdffe29579c3a9a2ef75cfc47f09b5ad0bf4af42a8304d94d47
11. 0xe1d2c367f3470edc4724fd7d806d51da451a66953be22520d4c4ab330cc650cc
12. 0x1278391fa22e576ce5c6362c943edc1a68b9a92ac18bff7789f8a082a7b194c5
13. 0x0c23c9192bfe154b4061fe80d841228e518702b191bcc9803922e60782f4706b
14. 0x9b4eda8f413d128915df51c98c771c8ee622b35a4252b9c2a803dd51ad66d4c8
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90