Evidence row 52801

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://immigrationdb.com/mcp"
    ],
    [
      "web",
      "https://immigrationdb.com/"
    ]
  ],
  "name": "ImmigrationDB",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-10T20:17:11.106442Z",
        "status": "active",
        "statusChangedAt": "2026-10-10T20:17:11.106442Z",
        "updatedAt": "2026-10-10T20:17:11.106442Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read-only migration data: cities, visa routes, entry rules, costs, safety, climate, with sources.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "src": "https://immigrationdb.com/assets/logo-mark-green.svg"
        }
      ],
      "name": "io.github.streltcoff/immigrationdb",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://immigrationdb.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/streltcoff/immigrationdb-mcp"
      },
      "title": "ImmigrationDB",
      "version": "0.3.0",
      "websiteUrl": "https://immigrationdb.com/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read-only migration data: cities, visa routes, entry rules, costs, safety, climate, with sources."
}

What the leaf hashes

{"body":"f20f234ad07bd4b384b8a6e1370e5a99ca31beda1fa0475f8bd95319ba40f422","id":52801,"kind":"listing","method":"baseline/1","observed_us":1793025420453375,"prev":null,"subject":"mcp_registry:io.github.streltcoff/immigrationdb","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. 0x629fc8c48199408692ca83513b04ffd9d79d2c53e54c7a0bac0e66bae51aaee5
2. 0x518a5fea7f9e74ceb303d0d28330353982957c571e43990483abcba22ce2f537
3. 0x1018e627e3f1cf162825c6f95db86a97c6dc9357ab5844ec7c88240ba01a747a
4. 0x01f64d20717bf1a75b42becd5a55479de2805e95b62fa855d69ea6928d9dc7c2
5. 0xc75f0d90c9e28a529cc2744e48772b976abc31576f28e4085b99f4ab2a43f967
6. 0x17f4e406d60c78b0771d2240a477ede121ed6785ddfbc1611ccffda2763c94ff
7. 0x4d0615bee6b7759495db1aa9e62159ac24b0fab311368d2de857618061aca0c3
8. 0x86fc99b9ed1d62ade448aa13ff934d61faa0817f2f68116bce97914c80e92575
9. 0x19d8f25097cc526849a9f96a43bac5867c7364680c1ce654e33c2238d194f256
10. 0xbc3c355b950c7c23082f84a109d9c2ea6ccfd6ca5cc47b5103a3180b43e85bfd
11. 0x131755a2ea202f5e6a5e7b2b4223cbbcd0bee9398f637648162d1129112491ce
12. 0x7285c0b02d1aedd949b8ba0c7b2499f7121588ebdd4c96ef8725919bb84dd534
13. 0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae