Evidence row 1538129

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": "2026-10-31T20:57:26.158951Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:57:26.158951Z",
        "updatedAt": "2026-10-31T20:57:26.158951Z"
      }
    },
    "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": "1.3.0",
      "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":"6bf75a72c7051363d79c272fff8604dc2623ec78bc10725b5b4c8584d0411bdd","id":1538129,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481419249610,"prev":1503389,"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. 0xfaab4108a0bd5cdd2529e60f22ee1d3617a80769ef1193410ed9c2fafd82aa06
2. 0x16e93bc8b203b127f41bb20a21fae8d325be45905a357c3e47c8495f76f0ae89
3. 0xd7f12b65a43c75dacdee120874c2508d26afd15d0c0f1af2307d3d835b3ac029
4. 0xb71aad77b05c9bcb939ca9f96b27d20963484a01db9be40023be8b166ca515ba
5. 0x7b6317bc8bacfcf9cabb365c08a326b50621e5528567e35764ee1dbf0906b598
6. 0x7c198d43ce9987b1908367eaa2a801a064c2b13cb6a8f9aaa414617601c9fd26
7. 0xcf3779127d3c7bb029e2803e5c038c0cb5211ba09cebbcb5d0fc8dc990a09014
8. 0x89b967433d3d87e8427d4bc927b74cb11eafc87c93a1865b37c1f353d8e6195c
9. 0x13d9976c20ae0be685afa49cbf67fdb42c1d0f1120a96154410b1c5d260f3949
10. 0xb0f58ef89e241ec9d8a371ff79e90899f27a0cb5e69df1d0a7f7d2c341b4a0d1
11. 0xa470bb25a307dc8633ca10b35449c5637b8c1fb77db0102361e7beeb044dace4
12. 0x9cd09c1785461d3cfeb035d08e6094fb1b0bca07134e4585843a4a2ad5eaac5d
13. 0x6c4324d3edf63f1c5818a600ecde74e6316cc337c4218b73b366a817b8e059b6
14. 0xe2a6611300abdb7312e664a37fe7f1b470ff8ebe48733a7b7064c0db1f012dd5
15. 0xe9e97d8cdaf19b6da06606a22b4eea548063df6bacb661abea4c37aa637b5c3b
16. 0x4befbbd74452b2a3a89b7e1e809ba011f1be78aeb8153059503fda47c454d086
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0