addrbookFor publishers
← The evidence ledger

Evidence row 58966

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:si.fourzerotwo/web
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
0bea3a50a1ff0df3e9b343ea5684d1af5451cd5939ddca5e6170c0795feec4d4
Leaf
0x7c16f7aa26bfe7f5039d64527f59ed2abe1a5445ebaf9414541d1925830b4f73

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://fourzerotwo.si/mcp/v/web"
    ],
    [
      "web",
      "https://fourzerotwo.si/"
    ]
  ],
  "name": "Web & domain tools",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-11T18:28:40.364381Z",
        "status": "active",
        "statusChangedAt": "2026-10-11T18:28:40.364381Z",
        "updatedAt": "2026-10-11T18:28:40.364381Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read any public page as markdown, link previews, URL safety, page audits, domain availability and…",
      "name": "si.fourzerotwo/web",
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional free key from https://fourzerotwo.si/free (raises the free allowance from 100 to 500 calls/day)",
              "isSecret": true,
              "name": "X-API-Key"
            }
          ],
          "type": "streamable-http",
          "url": "https://fourzerotwo.si/mcp/v/web"
        }
      ],
      "title": "Web & domain tools",
      "version": "1.0.1",
      "websiteUrl": "https://fourzerotwo.si"
    }
  },
  "source": "mcp_registry",
  "summary": "Read any public page as markdown, link previews, URL safety, page audits, domain availability and…"
}

What the leaf hashes

{"body":"0bea3a50a1ff0df3e9b343ea5684d1af5451cd5939ddca5e6170c0795feec4d4","id":58966,"kind":"listing","method":"baseline/1","observed_us":1793025445601029,"prev":null,"subject":"mcp_registry:si.fourzerotwo/web","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x7c16e8f1960b5a6995003c8569e2e2470af09b716eeae93a56d1e2c0777dd8cb
  2. 0x14e607b2ed7419cde3f63d3a662b3ea74e05699c848096e56d5d1217217bba0b
  3. 0xd6d9a1063bcdfccc806bc993eb6d71fa7625f44fbaf564d1db4cef6e5906c611
  4. 0xfc31dff3e1f84e6095759a9c5c115adea30f37edcd2f42a0106ef5cce8eb884b
  5. 0x2c997bc78ad3915a7a5efabd0014ef88383c10c9961293429e1a6200b81b923a
  6. 0xe5b5c1d147577bd02d5eb9b67bdcf304de9761e36415b8199a84ed84d078fb59
  7. 0x2d48e0edc5fbb951d3021a063db462c37d5f12d12672bcbbb3171aee3fb14d57
  8. 0x16baa325490bcda589e64f0d2774cd16257d5a30479f2924f77b92877f7c2924
  9. 0xa3ae6abfe2623f21b3c91833ce5dc5008ff7d64e1c0d130ad93081e466ff531d
  10. 0x0c2fac2a4320950bef314ab7fe7c8935c69ddf370144f7fc8c185fb2757cac53
  11. 0x2c4bc324cca0a9cf9acc1b58f29ce72853140e0ac2b1e69e9b827dfe71904616
  12. 0x779c77295186b32da6387dfb36d3a76522e7d713472a7cebed7c93529ccc4be6
  13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
  14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
  15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON