Evidence row 2044815

What was observed

{
  "endpoints": [
    [
      "web",
      "https://spacemushroom.com/"
    ],
    [
      "mcp",
      "https://spacemushroom.com/mcp"
    ]
  ],
  "name": "com.spacemushroom/materials",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-02T02:24:24.117917Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T02:24:24.117917Z",
        "updatedAt": "2026-11-02T02:24:24.117917Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
      "description": "Read-only sourced engineering materials data: every value with unit, conditions and source.",
      "name": "com.spacemushroom/materials",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://spacemushroom.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/simulsarker007/space-mushroom-mcp"
      },
      "version": "0.1.0",
      "websiteUrl": "https://spacemushroom.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Read-only sourced engineering materials data: every value with unit, conditions and source."
}

What the leaf hashes

{"body":"739755f16a1644b09d9cdff581b7db9a10021da530af1a7ec3b2bd840f3bdec3","id":2044815,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793589494595179,"prev":null,"subject":"mcp_registry:com.spacemushroom/materials","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. 0x3cbbf2a8b244781b07755572caa133362fd39446f7a75e1c760bf4e630b1cc0c
2. 0x873fe07b4b8ef05d206cd850b45eee9101f7e1ed3d70e4288a672b178f8bc0eb
3. 0xaadc394b3fb3f7dc6373b154e109638ae9b8fcb0ffcee3f830177a0f4210ecc5
4. 0xdf5471135ffa772284f1c77fa01d0515cafc9f4d14de666038da2f4e74e891d6
5. 0xa107e375c170593eeff10f552260a694f1ba5ec463ccae42533ea94522cab6d1
6. 0x5f2756ee2c49322d40e8c2f153bb001ead5a007f06282c0f54efa878a66029c7
7. 0x51e1bf4883c5a49b487ce355a68410fdd608923ac7b558f4153518f73535a37f
8. 0x46bc241a14ad41a1afae6e91ae7a14cada0066bb8a2814e43f1136aa876f6722
9. 0x191993d43c453f6b4cdd55690c99dc7960ff20abf54f2f1d98bbb6d2b449f990
10. 0x688bc5816e78c39df84691faa734e832631abe8d84ca1ee1cc451bc7b16e4461
11. 0x594a62aefb46bb850fc4670add4c3d9510ccbbb7516910e86690053885b3ec76
12. 0xbac6cdbbc8a23e8233870d7aae1d614c0c1fe809d0e40a72ec73dff09341aa56
13. 0x507a2180313be0729754aef4a9f5ae0f5f1b96b322bfe83831a668afc9bd9d5e
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af