Evidence row 49471

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-ua/mcp"
    ]
  ],
  "name": "ISO country UA",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T16:51:12.872114Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T16:51:12.872114Z",
        "updatedAt": "2026-09-09T16:51:12.872114Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Public ISO 3166-1 record for UA.",
      "name": "io.github.sadri-dridi/cc-ua",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-ua/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "ISO country UA",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Public ISO 3166-1 record for UA."
}

What the leaf hashes

{"body":"dd75c2ab63ce8d1b36e9faca271f65ce2d7d5b3a5ba05feb7b024f1e5ba489d2","id":49471,"kind":"listing","method":"baseline/1","observed_us":1793025413689650,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/cc-ua","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. 0xa8202d31b6969847bb43b8dd374a848ffa3fa5b71f265cb33df0388efa4fd98e
2. 0x44d509effb1a9f6c2c5b1b826dc6662d4f27692a4684a3be895c7e480ba5af01
3. 0x363e173be99d582cf1f69f35383b0c10c4341ef41ebc4bc675d3cd84059a34fa
4. 0x0c545c379e308774ab83e3f672881425c800eafdc24bba70623ebead509584f5
5. 0x443cf97e538f284c728ec86fe071dfd79a89e5f4d92c523d5f8dffe47353b71e
6. 0x42b7f3da2ef6344ad8f010577450e35e297398b6a3133d26d05473f313751e90
7. 0xaf9404c846f5534aa9b2fcf802c734c24af6fc8d211c97199d3c5b6ea7b31154
8. 0x1f3c543b0236e08970387b44c8c5a6443a1df29de56470b9ea624d67f3ad45cd
9. 0x93f0e31c577dfc4039aff255dd7b43cc68bd6d6dac196d73b92430f390718305
10. 0xbc494144c316ecbc246bcf3532ead29c081e1055e0681161e67d57dd59646765
11. 0xe5e83afe0ce08c2497f8492757a4767cf2409aaae2061487f80e1d45646872f8
12. 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae