Evidence row 49304

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-er/mcp"
    ]
  ],
  "name": "ISO country ER",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T11:10:02.243981Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T11:10:02.243981Z",
        "updatedAt": "2026-09-09T11:10:02.243981Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Public ISO 3166-1 record for ER.",
      "name": "io.github.sadri-dridi/cc-er",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-er/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "ISO country ER",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Public ISO 3166-1 record for ER."
}

What the leaf hashes

{"body":"351d0e91f6ddc7d38f0152526cafb34c0524106d75fd2230ec3ad39a6680067e","id":49304,"kind":"listing","method":"baseline/1","observed_us":1793025413493979,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/cc-er","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. 0x168f352fbc534f16e1f9d104f42e6d6df8079905fc7cdd4c9f8bbe1e1c998dcb
2. 0x2f0fe544ee87b227b6e6ab2554177516cc889c37c2ba73ef51ab7879090ca87e
3. 0x6196da0f3d2b96178a33ec1165675065934dc4748fd86cb71e08937aa9ba61cf
4. 0x7667b2de263ad6ea86a662ced1632280ab093f52dbe90c6b3b3e0fe9c378f368
5. 0x33da5db15c9e9b936c907874ef8f245994f310efb12b4c1f385cef97a2feae1f
6. 0x6560f4d3d655493cf512255743c22399f59f0b29c9cd8a3bcfc9054a6ce77f6d
7. 0xb492018a271fd48998c2ffa7327da565dd000ca14db5420fca1ec94eb1b6fafd
8. 0x54bd5c590fb1aea466645e4edd80cfbdaac7a2ae0183926c9ea7d4691743f0e0
9. 0xcdb65b1b856f0b18f36f6df07e607af2548ca59b8272c94da089d9920f990db6
10. 0x051922b623453bd4bca9a9af0907e733bcc4583746990b8b7f187b87a9891e47
11. 0x1ff0b13d2481c9da18eda22ffeb00b1ce27c383301867cb629c19e9a2e4b869a
12. 0x856fd0d049baa5f07cd2d5d524b40c994bed22cb46ea15af4cc075b3f3f3d444
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae