Evidence row 30607

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://quantsonar.com/mcp"
    ],
    [
      "web",
      "https://quantsonar.com/"
    ]
  ],
  "name": "QuantSonar",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-08T05:55:08.020426Z",
        "status": "active",
        "statusChangedAt": "2026-08-08T05:55:08.020426Z",
        "updatedAt": "2026-08-08T05:55:08.020426Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "China A-share market data for research, backtesting and AI agents via MCP.",
      "name": "io.github.QuantSonar/quantsonar",
      "remotes": [
        {
          "headers": [
            {
              "description": "Create a free API key at https://quantsonar.com/register",
              "isRequired": true,
              "isSecret": true,
              "name": "X-API-Key"
            }
          ],
          "type": "streamable-http",
          "url": "https://quantsonar.com/mcp"
        }
      ],
      "title": "QuantSonar",
      "version": "1.0.0",
      "websiteUrl": "https://quantsonar.com"
    }
  },
  "source": "mcp_registry",
  "summary": "China A-share market data for research, backtesting and AI agents via MCP."
}

What the leaf hashes

{"body":"f25620d333d76956a8c7f3cb7e67d9ae4dad34ab563ff7467805b36b37443067","id":30607,"kind":"listing","method":"baseline/1","observed_us":1793025363118000,"prev":null,"subject":"mcp_registry:io.github.QuantSonar/quantsonar","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. 0x8cf4a3ccc823ba29f572dde1d1da9cdc0f471002bfba8ea8c6e11040c7c801d0
2. 0x7b0da8a756393f92de351b4bc6c644dfb6e42cb06b118ef1f931f8b5dcf391b0
3. 0x749d872e686a2f7ac55c85a8f840634f3bd6689c67f31baa5fae4024dd8f4951
4. 0x27c8ce8cdf4cf84ad082531a9d47f3487ceb2a29daf36418295693ef5a26767f
5. 0x70c221447e99e35294d1cef65503563852ea1cec9dabff0387c9165e8f6ad124
6. 0xdea5e056e0a3e439b5e9cfbe918ed432145ed03ba4891061ad0091ccc00ee5f3
7. 0x1a425b415d0c825cd9bbfcac045ebbb085117c222f1c933713bbd32453ffae5a
8. 0xa255a5f4537d75d4bd50edd1d3b95f002651525e1865b30cc1e13d33a9696ad5
9. 0xd363f48c97a04b2bb1c3eb1ca16708076d6ac6366adfba9b44b8c14c0c99a71b
10. 0x5b25ef9b2a3bfdd120c04b0b0e6fcd5a2e5aaaa78a683cb6ced97272de11c0f1
11. 0x86b2c30da5bda0b772dc691263cbbe9779ec35b67c9966d10e728daa3e47ae48
12. 0xfc86b2282cb8f91e68280efe01f3c50453c94fae2ef04af1a75d4b05d0af2b8f
13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae