Evidence row 24234

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://www.carbon.fyi/api/mcp"
    ],
    [
      "web",
      "https://www.carbon.fyi/mcp"
    ]
  ],
  "name": "fyi.carbon/carbon-fyi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-27T20:01:49.673036Z",
        "status": "active",
        "statusChangedAt": "2026-08-27T20:01:49.673036Z",
        "updatedAt": "2026-08-27T20:01:49.673036Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Voluntary carbon market news and open carbon price data. Read-only, keyless.",
      "name": "fyi.carbon/carbon-fyi",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://www.carbon.fyi/api/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/Carbonmark/carbon.fyi-new"
      },
      "version": "0.1.0",
      "websiteUrl": "https://www.carbon.fyi/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Voluntary carbon market news and open carbon price data. Read-only, keyless."
}

What the leaf hashes

{"body":"39208e2317550fa2025d85526e2582fb82fbb5df3334565bd58824202ac84ad3","id":24234,"kind":"listing","method":"baseline/1","observed_us":1793025352216692,"prev":null,"subject":"mcp_registry:fyi.carbon/carbon-fyi","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. 0x96b02a272f3ed4ec45ca83fbdbb5220d8e79ed49513334c33a7df925c78d4df8
2. 0xf4f6a24799c80b059937dfaf73e2f4505ebc9b802b1353bc52f0734dc585678b
3. 0x1e70549c7f646665e117253f1dcf2b06c4ec29fa25bb9b253612a31ee83672ec
4. 0x106779a038d76c55c07cb971f2c17b41b13eb706c10c4771bf5f6f31fa6d2c05
5. 0x378bdda7880ffc62fca55433e388f91c92810203c3882bee6b720c02d0c2e059
6. 0x7a4b7c238e95f888ee4934fe914072a1754aa5323f429961f482bc650561761c
7. 0x8602b3bb7d7fb854c91974ca976f3290f9c6fb71d74cb99a0dfebc68ad692995
8. 0xfb7774c37a9b2ffc826f299047bec0ea0c73c6f079725e8717af4f5e2f73c5b6
9. 0xf5a8596e0b06bf0d281f6f14eeb529fb7f54a41889b91d6af6b6c872b900323a
10. 0x967f49fc57d75b1bcc96107679bd305f464f936f0049de5f6f3a15dabb50eb78
11. 0xc280b3b9968aa6c4c1d58f1d93bf282873099bba7b119c4ce413c82e165f3330
12. 0xd43b73151a0c2d9a61f2ae73ed148938b0e6b05c81197f7eebbf95dba38a7004
13. 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae