Evidence row 443083

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": "2026-10-27T08:35:09.945278Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:35:09.945278Z",
        "updatedAt": "2026-10-27T08:35:09.945278Z"
      }
    },
    "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": "1.1.0",
      "websiteUrl": "https://usefulapi.io/fastbill/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read FastBill customers, invoices, estimates, expenses; create customers, invoices, projects."
}

What the leaf hashes

{"body":"95b54520d8313a98f8a495a35e56c4dd21816849d658e871bab8e5bca1bdcfea","id":443083,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093257858657,"prev":56591,"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 2026-10-27 (273461 rows).

1. 0x29c3016298efdffb147f203027ca258d29b50340762502fb1517e89aa50d360b
2. 0x19dfbad03e279fdb7dc0228b513487c995a04df2f4dab0493d0f5eecfdbe2bba
3. 0x0775afc803342eb7be4cfbd16bb8203c1696077ce2483c0c558dd55c451c3813
4. 0x2a30ffd014f684693e5c844d55ce63a1f7d56dcbb835286806d1e9716b32763a
5. 0xd82a2eca5e7d646dbc3a6067acee80360c396ce68a7c8428e37953fcd9244185
6. 0xf811dea29647ce59733370b4684ceb6d7d52832280fb72ac008c7a3e0d593a5b
7. 0xd96f096b65faabae512f3a8588e0dfb227fe6ebfcea2d41aef41a0d6e6fd6222
8. 0x32b47ea0d478aead9cd681f9623acdb40095acce1bc638c61d6e6f52d059bfd6
9. 0xb43fa24efa246a66055c79f0e0797c1fe6b7bc7e164a9d93a93c4532a7d1d5ac
10. 0xdbba599f70f2c71e71132c071f915971cd6ce5e794f5d6ddaaf2b31752debe2b
11. 0xa4cf5f8abf1fd5862fdfe7da495135918d37a4b05ef397791ef37ad625f906c9
12. 0x53be2d72842ed384672ee78d06cbad599558474b78db9065a3b26f87d53522fa
13. 0x28be2f2303fcac4decdb6323b0f4ee8f8a31038beb758eaafc604a98626292e4
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4