Evidence row 443399

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/yuki/"
    ],
    [
      "mcp",
      "https://yuki.usefulapi.io/mcp"
    ]
  ],
  "name": "Yuki MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T08:35:10.080669Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:35:10.080669Z",
        "updatedAt": "2026-10-27T08:35:10.080669Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Yuki administrations, open invoices, ledger balances, contacts and documents.",
      "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/yuki",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://yuki.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/yuki",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Yuki MCP by usefulapi",
      "version": "1.1.0",
      "websiteUrl": "https://usefulapi.io/yuki/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Yuki administrations, open invoices, ledger balances, contacts and documents."
}

What the leaf hashes

{"body":"6019731032de21c8131adc9a44a984364d94c0b3cb89387e4da6c01767af01ab","id":443399,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093259656618,"prev":56905,"subject":"mcp_registry:io.usefulapi/yuki","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. 0xe24c4713ca22972591cffab55e657978a8fb94d5d65e0fbb11f77aefe7ffad5d
2. 0x9f2bd00ffbbd2043f57dcc94cd28cc23cdeb3d5454906f7d65799b69f736a077
3. 0xc05172ad27bf2c561afcbf0198840eaf982d166b9c540d3747d620469d8119fa
4. 0x83311a0b220c0adde46483891d7c306442845ccb0df758a2b0e789871ea6dc9c
5. 0x1a6c34709a83ca2f468be39c83193374edc311f1435097cee66159d01e2f8558
6. 0xfe0de76d81e6d76a5bf8323fa5028981b99f08bd0413b152194d94c0c20b1c26
7. 0x2d16c0575b3e65b98eb96af072c55505bfb9232a8294eebe018f2862e0bb6a19
8. 0x45a31e791c1dadd1374cc722bbf787d57a3ba10090d64300748919fe35efd34b
9. 0x9e0e2eef9069284181d9742050f1cd93a0b94807b3aef3f3977986969f7cb7c4
10. 0x9f13d093f46ebcfa68f1c0fba8bd7e50babde259291e3165e02e92d9d5d97ee9
11. 0x685edc20eef134e9053b5f48e92fbcfdce3625c2c28f68c4ec9232819c669574
12. 0xa7bf7b9cc7b39dca708cf0cc5d77059435823b975a1b485d07bbb69188527cb0
13. 0x979156f4f0a1ab811055c0a4d2b45bfa74d4bef619c176540454ee8d15e5bebc
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4