Evidence row 21845

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://virus-alert.com/api/mcp"
    ]
  ],
  "name": "Agent Observatory Digital Twin",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-07-23T04:34:18.615228Z",
        "status": "active",
        "statusChangedAt": "2026-07-23T04:34:18.615228Z",
        "updatedAt": "2026-07-23T04:34:18.615228Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Public MCP digital twin with synthetic systems and an agent firewall. No customer data.",
      "name": "com.virus-alert/agent-observatory",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://virus-alert.com/api/mcp"
        }
      ],
      "title": "Agent Observatory Digital Twin",
      "version": "0.5.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Public MCP digital twin with synthetic systems and an agent firewall. No customer data."
}

What the leaf hashes

{"body":"9c3c1a423f7e903e57706d478194b41f258bc22ef7dd80cb1ed978c0815be047","id":21845,"kind":"listing","method":"baseline/1","observed_us":1793025340997474,"prev":null,"subject":"mcp_registry:com.virus-alert/agent-observatory","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x526e886c5733d544a174060c96893da860cf12a643c5eac2bafeb5f1e6d24712
2. 0xa60df6d810fe1e9e42d1b03f547cec591c2ecaa0b7e0e98758ecb5795e31aeab
3. 0xed37d70666b7f16dc6f8b4695277560d5b70faa9492167dd9105b798efc9605e
4. 0x3077712b0e099e3219ecb4555acb0a2aa379e3848eb041421e04c024285dedb6
5. 0x81a4db7adf8be8ca2949150dfde1ed4634feed79199a7ea7725c4619d035ee1d
6. 0xfa56eaa394cccab2f43d56b78d2c6c6fbdfdfe96fe754f90bca212475c43f15d
7. 0x65c37d4fb7ba043860320957e52e27cf51f401032e71316ffec5f4e8af35ca8d
8. 0x270742d4bc7ec820e09c9d3b05a036e298a361eaad5bc8beb0ddebb292270bfb
9. 0x3607751c77b1cabe074486d0fd53659a0e321fb7a8fd3bf133eaa6801af9c112
10. 0xb8b1a249955b6487f765c3f074e474715f38edf3720c5c3ca9427be80aba6ea5
11. 0x11ae5fc5d08fb7b25beace35e67656980e21edfc94e809110b5b9ecae306b6c8
12. 0x94dd4ed7cf198df741ccda83eacc422aadb31119fc6e84c4a6d2f023453b7960
13. 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae