Evidence row 1503389

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": "2026-10-31T17:39:13.616731Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:39:13.616731Z",
        "updatedAt": "2026-10-31T17:39:13.616731Z"
      }
    },
    "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": "1.2.0",
      "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":"36d44333e208552719465db76e2f799ce285d4c635295a591614890872df142f","id":1503389,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793470605986050,"prev":1482213,"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. 0x9f0146e0f6e842e499378859ad181d080a4457e180b7f5012fd62f9c1329f710
2. 0xeea864d35c5b7e4c5752e6647979199b9bff8c073af9a46ce36145ad12c93bcf
3. 0x914832ce4daf69db13986863125ca97e8baa0f309cdf2703f6d620cd46a19391
4. 0x76e196007b67db2b293ae6b68447b7d7abf3a702a0b1e5f32b0d500a6a37123d
5. 0x0c6217f9981df9ad1d70f89749af646b801445010ff7343901be22fd3f55ac66
6. 0xdabd5f6d722015e3f657f670b849417e8d5496ad14525bacc6021a520ceaad58
7. 0x5e22c06d2121965cf04bcd6f5b6173ba5df540b7950180a16df39fe80a088a6e
8. 0x86ce9d68aa71dafeda5d9189887fe73e9cd487e24da6971950f746e6e7848dc7
9. 0x2ec2a2e626f9c575a317b22172256600f1d0cd71cc92ef258c59d640c35537b4
10. 0xbc321dd8a46b7604d095da2eddc9443cba7acc7ec6becb805b91f17bdf6bacaf
11. 0x45b67b632e4268cb24f340cd91b5312440ea3574d4949aa391ca33a500132060
12. 0x9015761a667deaf7c1511b3c3b5f579ad872409cf1102aafe66d5115dbca2b33
13. 0xd7eeb5d366f1d99f0996a1688d7c011650329fecbe27e79b02dc24865efdf372
14. 0xba1869be223f95f72276ce33e2a2c15c419c92f64870421adea6f13169667701
15. 0xaada757a4e58b5424e31228ed7c84f378168cc321ac8ae3a78bfc8096bcc0324
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0