Evidence row 22234

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://my.yz-cpa.com/mcp"
    ],
    [
      "web",
      "https://my.yz-cpa.com/mcp/docs"
    ]
  ],
  "name": "US Tax Estimator",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-19T05:28:15.607974Z",
        "status": "active",
        "statusChangedAt": "2026-10-19T05:28:15.607974Z",
        "updatedAt": "2026-10-19T05:28:15.607974Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Federal tax estimate, deadlines, FBAR/8938/3520 checks, §7702 screen, inherited-stock step-up.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://my.yz-cpa.com/brand/us-tax-estimator-512.png"
        }
      ],
      "name": "com.yz-cpa/us-tax-estimator",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://my.yz-cpa.com/mcp"
        }
      ],
      "title": "US Tax Estimator",
      "version": "1.1.0",
      "websiteUrl": "https://my.yz-cpa.com/mcp/docs"
    }
  },
  "source": "mcp_registry",
  "summary": "Federal tax estimate, deadlines, FBAR/8938/3520 checks, §7702 screen, inherited-stock step-up."
}

What the leaf hashes

{"body":"e59d8bc745f52beb5f7f0c601b4b4cd76b7368f5c56d3b3c95e3e2cb0cb82f0b","id":22234,"kind":"listing","method":"baseline/1","observed_us":1793025341606137,"prev":null,"subject":"mcp_registry:com.yz-cpa/us-tax-estimator","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. 0x8c5ca91a11c484f26d73b55f9d1c51101b7f894a8c235fa4572127a574d7e813
2. 0x2d152d0aa412d9c33b5366f890d9ead130ae75aeb1343ecb6d0a097a25d2e58e
3. 0xba30a64f6e9999d161021700a882cfaa313cfa4dea3bcc5eed275243acc67065
4. 0x6edb3ba85ce3b5052e3a86432a33093ae756e94ccf85a2b6ffae031ffe3c7538
5. 0xe37473619c1050bcf4954305eac6bf5d429be0de0111c239b3b1f5f9da2be1a2
6. 0x1fe4759b9365b9bcab90621a4adb14c001633c17578e26f8659696f5ae0d8a42
7. 0xb124a7ca301b63d8b9a7140c0b9bb1444d9a54ed52779fdc8c0c4845ba516de0
8. 0xc9402e83e8f93454652003aac6ce5f5410b0206039d8a0b63904f66fafe021c0
9. 0xea97c8fa4c994c0b8944bb77f3b5cce1e38a71acc60fbf0903c000db8eac1aa6
10. 0xf37a2a30f04ffcfc24f46f4209ea65386afe8bdf9c467b02689e621d61bebaf5
11. 0xc0c39d9d8be0b7d600d3badab7754e326243b0d4eb60c4b5cd965d7d764d1d04
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