Evidence row 1773696

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://bss-b2b-solution.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/bss-b2b-solution/"
    ]
  ],
  "name": "BSS B2B Solution MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T15:39:45.415807Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T15:39:45.415807Z",
        "updatedAt": "2026-11-01T15:39:45.415807Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read and manage B2B pricing rules; read and approve wholesale applicants in BSS B2B Solution.",
      "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/bss-b2b-solution",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://bss-b2b-solution.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/bss-b2b-solution",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "BSS B2B Solution MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/bss-b2b-solution/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read and manage B2B pricing rules; read and approve wholesale applicants in BSS B2B Solution."
}

What the leaf hashes

{"body":"8437593a7544904a701bb246436ae514e988e2789f3081860da884e59485c947","id":1773696,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793549851356986,"prev":null,"subject":"mcp_registry:io.usefulapi/bss-b2b-solution","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. 0xd82f4852253c504bb6cde76ceaae68e1bbccb58d9a095a94d22f7832bdd6cb24
2. 0x971b2961f8ebddb85453594f4afb88e221371663e3823c559f83cdfbe3e5f920
3. 0xee0c9a65893de32354ddd9efd36afaa47eab52bca592c426ec1440c794bab9bc
4. 0xc9738b888fccc79e1c8bf5584b5fb22cd817927e93de2401ba923104b30d2266
5. 0xcc8d97087b2e494edea0597e28b470f3a8dea6abbafc38d81d7c7411a1195e08
6. 0x818a07acd51e618164b602b7d5fc9f8b8f4cc86e6b14e7d7f71720add34ea038
7. 0x106088767533c953e01214ac6516867ec22149c8faa42da62c778b3712d56cfc
8. 0x6d9d38b4666df6eb8a18de5f52c977ffbd001cdad2f8d2a589279c67e5231055
9. 0x1389a8cda2de2276ce74a25ae091a3a11ed7fc9fc4da49077ee936ad1d244da2
10. 0x15f176fdbe587455e2d54faeefc30da2863719b6c6a3efe276987c509786382e
11. 0x70e09a615efa6e49c7daad08f583ff5a9cc78865478199cc6b9df05fa48f3abc
12. 0x5286c70252ce1d2134a08e8f861c17b609bf03ec34c3b3a77b39816d1787aec7
13. 0x5604ebb26a467785e0d13c4e7f1730e632124652e4df86dc2a82a0734e46265a
14. 0xe4cd5f56e5b4bb570140c97935a785daafbef0e607cafa2e0adfd0ff7fc250c7
15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90