Evidence row 56591

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://fastbill.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/fastbill/"
    ]
  ],
  "name": "FastBill MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T00:02:26.692635Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T00:02:26.692635Z",
        "updatedAt": "2026-10-26T00:02:26.692635Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read FastBill customers, invoices, estimates, expenses; create customers, invoices, projects.",
      "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/fastbill",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://fastbill.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/fastbill",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "FastBill MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/fastbill/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read FastBill customers, invoices, estimates, expenses; create customers, invoices, projects."
}

What the leaf hashes

{"body":"b4685550c3ec1940575465902858eab1c47061415d1bc5452ceb28ad440fbc79","id":56591,"kind":"listing","method":"baseline/1","observed_us":1793025440157078,"prev":null,"subject":"mcp_registry:io.usefulapi/fastbill","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xc4b105bb03978db10eeb93763d69911f521573da5a02e3b8c19e1cb7a9bc90d2
2. 0xe45faf6df0e6c9ea37e0dc8a52203c9b16c30922b0d51de6514db41dcfebad64
3. 0xf237213321f570e72188d65e0f55538bf36d8a38d651f7ed53baa5dcb6538fd9
4. 0x7023e87f07129eaf041ea73bf58b1ba4f069486b75830dba5a8f7b392a9a091e
5. 0x8a42c3c6f31ca82e9b17c53ef574a1dc337d618e78713c802acab7f4f46470de
6. 0xf378e0f1281ce14da3a179693a73bcf91e681d080c7864ee5459c2239219a3cb
7. 0xf27b88e725c673443f779c0af5550e23026c66a6d7adf0f1a29828fba995d322
8. 0x9a4dbd008ee45a13a2d2d44fac96ba439171be70eb85e2cddce8f70fdd94562a
9. 0x0aaa0fc7f6b1e014f71cabe15ae65df3a64e05db353716b554b870df619811dd
10. 0xae71c3940eac3236f4c68fb44d25cc1262b73d017fd7c18fbff1248c2e850602
11. 0x463fef738ef71a01d4aa9ac1c6836fcf6802cdaa7de01bbe42397d79d35d8671
12. 0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae