Evidence row 3945532

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://spryng.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/spryng/"
    ]
  ],
  "name": "Spryng MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T09:18:10.585652Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:10.585652Z",
        "updatedAt": "2026-11-07T09:18:10.585652Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Check credits, read sent messages, send or cancel scheduled SMS in Spryng.",
      "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/spryng",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://spryng.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/spryng",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Spryng MCP by usefulapi",
      "version": "1.3.3",
      "websiteUrl": "https://usefulapi.io/spryng/"
    }
  },
  "source": "mcp_registry",
  "summary": "Check credits, read sent messages, send or cancel scheduled SMS in Spryng."
}

What the leaf hashes

{"body":"0c51a493e00583f2ad22a7282db9c4e76287779d82dd9619240caeb6f8fd499d","id":3945532,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043458693573,"prev":3775550,"subject":"mcp_registry:io.usefulapi/spryng","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0x099a6f5e20931c42c88287ffce0ef08770b9f5af2a5f4483078ee844b3e3df73
2. 0xee78bc491b43043bff4e87e78e284c19bded376d55a88e714de906db030f623d
3. 0x05f8b1315dd4e1a3218cbc461d2f45746de3747edc113914773cf70f06d64b20
4. 0x0154612dd648e185f1278e476dc4238aaf713a735ad379fc842e0b4b9d9b404c
5. 0x33c2ec18c802aacbf975f52ba6e07cb78dab8b2af5f9f017247b2d504a2c4d6c
6. 0x9ea87255778fa8b6d03e90f13e6cadf7c856645088e6c68ddbd04eec8b2ff1a1
7. 0x8945c18b7a7b3152e8e3bad1af58a5d359267eddb19bddca4378704308d89a4e
8. 0x3cc1c7022bb53c45421018327c1f72cb2ea69e8c17730cee134eb63886026c80
9. 0xee07ce6b3dc4b7f9f178ae23822a2595858cbdd6a287501d0f91c2d4e22e4ef9
10. 0xb4247a4ee9026f45b76c917da284250272ac7423035441556ced66b23798c698
11. 0x3f4563b620b6415b560b94ee294464d5544c2314daac55d1a2e3e2cc23949c2c
12. 0x1b422eea10dac97a091a370fd8ddf024929a6e7e192cd6c6a8020590df30b685
13. 0xcc8237523b2d5a08c4c820f7a8440fa8b577f989896eb892cba06931cc847cd2
14. 0x144e6f529cb7231bff37cd4bad2e3530f3ad930f9de9c48c0f73680bc7f17d30
15. 0x648a3baa51de8aa55066ecdaef86a2d63e9b16b533148da0c58eba70048b858f
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa