Evidence row 1541541

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://sos-inventory.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/sos-inventory/"
    ]
  ],
  "name": "SOS Inventory MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T21:45:04.18575Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:45:04.18575Z",
        "updatedAt": "2026-10-31T21:45:04.18575Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read SOS Inventory stock and orders; create customers, items and purchase or sales orders.",
      "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/sos-inventory",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://sos-inventory.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/sos-inventory",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "SOS Inventory MCP by usefulapi",
      "version": "1.4.0",
      "websiteUrl": "https://usefulapi.io/sos-inventory/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read SOS Inventory stock and orders; create customers, items and purchase or sales orders."
}

What the leaf hashes

{"body":"e4ff0adee6efd3af46b2f72a85ee62bbcd38797d834e2b705161d54976f05915","id":1541541,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793485024337295,"prev":1538129,"subject":"mcp_registry:io.usefulapi/sos-inventory","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. 0x907a3219bd72014226e6ae4f46a29d767ffd85268052137b11e4ed16a3541d8f
2. 0x942c3fef45f0686c19335bfc2b2593363a728227e7f9d15d20bb66349693fac0
3. 0x1a7b66193cfc1191e5f85ce9e059bba44c76ebb4afdf9350ebac63f8df695ff9
4. 0x1ded6c7cf495e1a01e7d398bd26ba65a71cf094f3a9cec1d16857cfce5112300
5. 0x2e40a429b535ef1ae932ec4a9813225e79803f0842cdacedfc8911a62bb82588
6. 0x22fca93a820c207b64e42a8e72cebf62c69245bafe72c979727f4ab0119c5113
7. 0xcf2a9e3fbf3efb9f2c6e1fcd7ed9cd8c89406e1998c40acae5f13f40023eda37
8. 0xf11eec1aced60da57180f06e13bd79d973e609b79934199d9aadc9c154b6048c
9. 0xa7588b9088da2935d64cf431471fc1a2e53a5aeae47fce3c9d52947ad0b6bf6e
10. 0x66e00cef72b77ea331a95b1345a6d8c9aa18e0cd4cb31e100a7479ce6f63898e
11. 0x2a7d242a292260f3be345ffd35911d65de64d07e77e809d8aed77bad6ce221dd
12. 0x00b55142778c2749a063cf357330e2ddd510866e60fb9d39bda15086289b1e9d
13. 0x0b96c0f13719918b931247158322b454f759d79392d95e46336e8f97f2324aa6
14. 0x4703be8cc879d73c92037a4dad5a432848a2483b2cd09dba8d5baecb22a1919b
15. 0x91bc1c2b25f148b9b56bf377304983d0f2e68d0d8c3f65c9aaa8adb083331d11
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0