Evidence row 2290243

What was observed

{
  "endpoints": [
    [
      "web",
      "https://catalogue.nitech.fr/agents/"
    ],
    [
      "mcp",
      "https://mcp.nitech.fr/mcp"
    ]
  ],
  "name": "Nitech — heating spare parts and ordering",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-02T21:33:32.407541Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T21:33:32.407541Z",
        "updatedAt": "2026-11-02T21:33:32.407541Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Heating spare parts: prices, availability, delivery quotes and orders with explicit confirmation.",
      "name": "fr.nitech.catalogue/commerce",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.nitech.fr/mcp"
        }
      ],
      "title": "Nitech — heating spare parts and ordering",
      "version": "1.0.1",
      "websiteUrl": "https://catalogue.nitech.fr/agents/"
    }
  },
  "source": "mcp_registry",
  "summary": "Heating spare parts: prices, availability, delivery quotes and orders with explicit confirmation."
}

What the leaf hashes

{"body":"8849433a554a98d2d8a8db033eb15a87733fc40a8425fad3192eacb4f45ac32e","id":2290243,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793657930807455,"prev":1783636,"subject":"mcp_registry:fr.nitech.catalogue/commerce","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x40873e5f3b2675ca687834da46b88c9a11f8fd0e41f4731e96d394221577d4b9
2. 0x107f95342ef6cf7f2a6c9613c172db1d5156b135012fcfea72906e4cef4ca6b0
3. 0xe2bb3dfdc6c85b591d98f7b4730da35019621a1a230184d7751dd59da683c739
4. 0x5034c875c2467b4f4980dbed4aee64e5be57d455c7de02bd80db1eedbeb58d52
5. 0x3848eb44b20454998a85ce48b28ceca6f46475d51e5fbf49482b26323bbd7a0f
6. 0xbd7ad7c3606feeb746e4c5b0784d0b9172c16ff7a29c6b2742b7502959a7ed7b
7. 0x352240255ee5224cb748bf4f5c78e61ed9474d2fb164f4ee501b5fd2937824c0
8. 0x27ea6bb3c9d1a048ce72b25d1fb139e865fcd93c7eba7608151e09079f266579
9. 0x925779848f300dd9a95dbdefbbb3f7918609b3410fc027432971e37c150181b3
10. 0x36a33d935ae05336260cede711163864a3b09e450c3abdaee681b559e4cf1627
11. 0x1d34165be86c378fd087e84998f69bd665ac3458f0fa04dd548d25795d5f558f
12. 0x68e43cd8c3974680608754c4f2fcde66bfda1af2a2aeb32ec2d69634438483c7
13. 0x1a30e008133011de2f6376e0b8ac235c7b5fd254513a57eac575300e54ac3544
14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af