← 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).
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- 0x2c4bc324cca0a9cf9acc1b58f29ce72853140e0ac2b1e69e9b827dfe71904616
- 0x779c77295186b32da6387dfb36d3a76522e7d713472a7cebed7c93529ccc4be6
- 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
- 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae