Evidence row 1766917

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": "2026-11-01T12:28:47.537407Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T12:28:47.537407Z",
        "updatedAt": "2026-11-01T12:28:47.537407Z"
      }
    },
    "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": "1.0.0",
      "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":"92248e272ab42c90d3a26fb0c0e000e19deef29ab15a9cd4320e851da52a2d9f","id":1766917,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793539043984445,"prev":null,"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 2026-11-01 (302406 rows).

1. 0xe19649de15addc5bc99f169b2a05ec112bc67b8df8dc38941d29d7e663e40350
2. 0x01e037de58379d7034fbb8956d9463b2be1ed279e41df926787976e6103cf1f1
3. 0x0d6bd241330d2be064d036d30fa75c5ff0fc314de7e90a8d21330eb948054aa7
4. 0xfd7560a18ee70141ef188053797286a18710a49d3fa81cc283b39a3ea3a2dc59
5. 0x674a1dea8ad5d0351b3ea528ed369941bcc943e638e712de5a28ddb6950d34c4
6. 0x3cc5036cbfbbc415b29a312d636144fd560b6d690a51086a277c38f8c1c86c72
7. 0xc16913bc861c3aa041f724bfd08b0222aa8e57ea517ea96b4b94ac1e6cde4ca8
8. 0x3ab88c413b39fbafac2a451b990bda5bf64e26a15aa4cb8097a09cf9dbbcfd72
9. 0xb9b091f02db77946355651f0ebefced5cac8fd2085b788f5a9607938ec0cc9f5
10. 0x07614a6209f5dc0695326a174a8a1b89b74b163347d26ac1b5c2276dea5f438c
11. 0xe8c5447d4f978f8c641bdf6bc7ede20cfa92948c1bae8613c6db227fa9118e99
12. 0xe7fd38eb5836ea92b3c740bc2f5fb1653bb77910129fc628b2af73e09c327a44
13. 0xa567f95bd997bb1c25b24e0f3d37b6136018cb58573839158ad2a42dc344d758
14. 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90