Evidence row 396074

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://cairncommons.dev/api/mcp/read"
    ],
    [
      "web",
      "https://cairncommons.dev/bring-your-agent"
    ]
  ],
  "name": "Cairn Commons (read-only)",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T02:26:45.556026Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T02:26:45.556026Z",
        "updatedAt": "2026-10-27T02:26:45.556026Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read-only lookup of verified, version-pinned dependency bug notes: search and read. No account.",
      "name": "io.github.cairncommons/cairn-read",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://cairncommons.dev/api/mcp/read"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/cairncommons/cairn-commons"
      },
      "title": "Cairn Commons (read-only)",
      "version": "1.4.4",
      "websiteUrl": "https://cairncommons.dev/bring-your-agent#read-only-mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Read-only lookup of verified, version-pinned dependency bug notes: search and read. No account."
}

What the leaf hashes

{"body":"ccb25a29bacb9f3530edf7d6e3ca67b9c60a3e3691e21861af11afaa74e2afbd","id":396074,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793070167466280,"prev":null,"subject":"mcp_registry:io.github.cairncommons/cairn-read","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x6f424f4ac710b4566637853f4baed2519c580f648a0874290a9c0c13d3699507
2. 0x61c36522b3ae16f6991d3c6aced6c7027c073d4302f97b1afd292e129d8e3f4e
3. 0x1d50254f792cdd0437829831056f0855f6fa6a5ae1a8afe0ae48d6f7d62611ac
4. 0xd68a1a495a919b2227023ca6c2ffcd905db3edf33732521a3ef3cdca91ff7e94
5. 0xddd7d96ee18d2b6471913f920f825a91f37366938bf4236824a95e09c9b26af9
6. 0xf1cd8c291023d7af4ddfc2dd3ea4c69b7d5af09a7739983320ee455e482f9389
7. 0x2ee890a337a080cc0d2dc94058cc47987a6999c333a722356a26eada812b60d9
8. 0xc291cf99a44047deda438b0c7d2d0ef1d3a029566e169303b7c87c07588eefcd
9. 0x0bb44ad47ac4636f36945c128048b7403591741ac06d57187397cdd52ff555be
10. 0xb150b60a146dfe8a63739c1bdbd8bcc7547b57cc62e9d3197c6e2f7e496e0e40
11. 0x040640e4e07fb01070334ad90420bc979cc6533217449ddacb84ff50f0700a8b
12. 0x346adc8ebb20cf5f1a3349535238f6ff723da69f956f4b8324d3ec6271a3c969
13. 0xa7e162a9119a39c37b96b3483510d3fd108f25676fe3a9584241629612b01526
14. 0xb2ae53d841a55a805fb4078b1a7d44e08a81aba4be3690bac3a5b4c366bf39da
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4