Evidence row 3775540

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": "2026-11-06T20:26:47.97443Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:26:47.97443Z",
        "updatedAt": "2026-11-06T20:26:47.97443Z"
      }
    },
    "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": "1.7.2",
      "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":"df08c38e17d5028d75ca78f4eba6415e56c1c37f0a5940414f7c78b69412019f","id":3775540,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000219386151,"prev":3765241,"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 2026-11-06 (303443 rows).

1. 0xbf952741ecf5cea5d5c0912d722c4c1f26ce08b2dad1e17597a93f5a351692f7
2. 0x4b6aee09b58add93fcd8434d980921f20ec0658fc8cbcd57d9f9f53a74040e01
3. 0xc845cc9a774827b103f50a827a4f7e8d5a316ccba457299dad0e35422401b6f6
4. 0xb3ba9614eb4368860ab6f441a757d34f136e8d801449298f4704148981cfbf00
5. 0x56fef60689f4e7b51d1b282fddddcb7ec0d389f8267fd8593778e3e8b34f8058
6. 0x13ee7cd235cd69895b32713ebb9a81f8ab043b9c605704e4c835e8ec68fc755b
7. 0xd80bd6ad8b9e47d402cd5d9179dee33578d4f42d9b39e2746560325f4e58b2e5
8. 0x5cf4477d2dfcc22cde888b30bcf4b9ebdf85902200f0c00e8ce2a480e86dde49
9. 0x0af4285382bc00a83cb95f962b9761526190e7286e3eae178ea18a3ddf749bb6
10. 0xa85b8614fd8ebfd0211af6dc38727755327cb7f66f8bdbd1af0a0e4ef2da5d40
11. 0x849a981d479ca43783a2e0409f2216cd64b951c9bfbbb05efd0b60dc7ba195e6
12. 0xe18a0c9efb6c9fbb14e2ad3156e706631b009d0aa0b96f61466c4aa06516f794
13. 0x1d1df83479f80549b083ab17b54627f4ace699e45477c6666da6814f41da3754
14. 0x23b6b6bd852701ba4a17fc526ab600bd25964edbe01b5117d675c3a9459bb7c1
15. 0x4e2c85f79c29b95d6dfb888e9d12396c3d7208dc05aa6a6d68fe77cf5be30da5
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1