Evidence row 443381

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/virtuous-crm/"
    ],
    [
      "mcp",
      "https://virtuous-crm.usefulapi.io/mcp"
    ]
  ],
  "name": "Virtuous MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T08:34:57.401588Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:34:57.401588Z",
        "updatedAt": "2026-10-27T08:34:57.401588Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search donors and contacts, giving history, notes and projects, and log notes, tags and gifts.",
      "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/virtuous-crm",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://virtuous-crm.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/virtuous-crm",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Virtuous MCP by usefulapi",
      "version": "1.26.0",
      "websiteUrl": "https://usefulapi.io/virtuous-crm/"
    }
  },
  "source": "mcp_registry",
  "summary": "Search donors and contacts, giving history, notes and projects, and log notes, tags and gifts."
}

What the leaf hashes

{"body":"a122e8f2f61a9c71466c4693d8b7c76130fa72091db7ace17a32924a7c8d2296","id":443381,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093259618161,"prev":56887,"subject":"mcp_registry:io.usefulapi/virtuous-crm","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. 0x9b9a48a19938b7fd0fb225aab88d182c25d21e7e8d06cc003ae4e83251b27b16
2. 0xb382738e71958a4bdde584272cb155617d561dc16db05dd4573630ae1f80ca7d
3. 0x6577c92c49bc3c69bb1d8b4d44aaef24ae1078f69e977674a7ee052277fc843f
4. 0xf20c6a1d426bda08ada245d2db61ddf1e5b9b1cb3c418bec823d520b1ea7bf16
5. 0xe1c09073f445102e8c9c594306d236ad529d93e62d2edd75b7e430281e9d778e
6. 0xe390d32c98d515da6bb324895cc027cffe14836f5f9326077e98943171e84131
7. 0x506f66e88eb8c936f35c7913e778b238ced72954ac15944617347fd034acc12b
8. 0x4abb52f7bc9374f3f4562af6661ad9ee21fde0b67371294348ed2da30261a403
9. 0x2df65dd029d5be556a0d4f73374294aaa98224ed20b838efe2b0685cc21c2ba2
10. 0xcf07a9c51845d2b686d97ca51c04fcac2332768628ecac7ec94bd21fd21bc2fa
11. 0x6dfee0668e57d69736759f28372f849ab8777b27547dbd940940d7ee450d4ca3
12. 0xaf993fe1020a8b1831a83a3f25a47d44065b1a3db518b49690cdf7bb3a275984
13. 0xe8a6f20810396abd4baf9472081cda6d396bc7cf52a77bffdd9f33b41c62adcc
14. 0xb37e6165108af3c1962db6b76953aee5ee86201747a07444ad2760bf2d5dca23
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4