Evidence row 23910

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://cbamdata.eu/mcp"
    ],
    [
      "web",
      "https://cbamdata.eu/"
    ]
  ],
  "name": "CBAM Data",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-20T12:49:23.80351Z",
        "status": "active",
        "statusChangedAt": "2026-10-20T12:49:23.80351Z",
        "updatedAt": "2026-10-20T12:49:23.80351Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "EU CBAM engine (Reg (EU) 2023/956): scope, default emissions, certificates and cost per CN code.",
      "name": "eu.cbamdata/cbam",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer key from the Developer plan",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://cbamdata.eu/mcp"
        }
      ],
      "title": "CBAM Data",
      "version": "1.0.0",
      "websiteUrl": "https://cbamdata.eu"
    }
  },
  "source": "mcp_registry",
  "summary": "EU CBAM engine (Reg (EU) 2023/956): scope, default emissions, certificates and cost per CN code."
}

What the leaf hashes

{"body":"fa8a7eea78d4e046669481ba451168f194f8f92245139ae705c3dee8dc567d58","id":23910,"kind":"listing","method":"baseline/1","observed_us":1793025351631989,"prev":null,"subject":"mcp_registry:eu.cbamdata/cbam","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. 0x92204bfe321278d3ee751d46a03755d2443ceb8da431d2935a9525060519be91
2. 0xcff517e806c762f9d3629cdb40e0e07e71dd071258434285c8fa243cfac5483b
3. 0x0a6ddbd7e46776ff193392412f1f935b6fafdd1e30079fbf3849f56612343d56
4. 0x993f4c2901cff2bc7cab6f3c3214c49bb22a3f2bc8e80d978ebcf0473d5e025f
5. 0x133528dee3d303bf22e72879ffcf9cea1f7a1d512c1490e1f383194db4ab18e2
6. 0xfed936a6c2f31b6aca31525de1b10f8599400a7752f1010275cd20dbf64fdb70
7. 0x2e8547a52d097b95b7be9414a1e3ad90e0a879a347c100feefdd8a3764a49f4d
8. 0xc5e4bddb037303c79e15231d3a6f99b3ea56e816ebf5275515ad1193fb5d8a0f
9. 0x5e3a9e8753e009a1c5d774835c1440ea5baa86bc7363444b76f653c7ff87173d
10. 0x832f34bb008802b110406e880902a2a6955e0c595bbbe020688b9d51bc08dc80
11. 0x316efc275d57dcc035269c8eb6bada510779068882f33960d16f7f84af2b4432
12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae