← The evidence ledger
Evidence row 56675
Observed , by baseline/1.
- Kind
- listing
- About
- source_record mcp_registry:io.usefulapi/knowledgeowl
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 622e8515b9756a7e5dabd9442b5a79a622af437bd4a8b22597be1830446d0c31
- Leaf
- 0x7ba2cf3f11cebfa66173fe528965f1309a65eae9c96f29e4024bf810853252f2
What was observed
{
"endpoints": [
[
"mcp",
"https://knowledgeowl.usefulapi.io/mcp"
],
[
"web",
"https://usefulapi.io/knowledgeowl/"
]
],
"name": "KnowledgeOwl MCP by usefulapi",
"owner_address": null,
"raw": {
"_meta": {
"io.modelcontextprotocol.registry/official": {
"isLatest": true,
"publishedAt": "2026-10-25T22:35:03.247964Z",
"status": "active",
"statusChangedAt": "2026-10-25T22:35:03.247964Z",
"updatedAt": "2026-10-25T22:35:03.247964Z"
}
},
"server": {
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"description": "Read and write knowledge-base articles, categories, snippets, glossary, readers, and search data.",
"icons": [
{
"mimeType": "image/svg+xml",
"sizes": [
"any"
],
"src": "https://usefulapi.io/icon.svg"
},
{
"mimeType": "image/png",
"sizes": [
"256x256"
],
"src": "https://usefulapi.io/icon-256.png"
},
{
"mimeType": "image/png",
"sizes": [
"512x512"
],
"src": "https://usefulapi.io/icon-512.png"
}
],
"name": "io.usefulapi/knowledgeowl",
"remotes": [
{
"type": "streamable-http",
"url": "https://knowledgeowl.usefulapi.io/mcp"
}
],
"repository": {
"source": "github",
"subfolder": "servers/knowledgeowl",
"url": "https://github.com/m190/usefulapi-mcp"
},
"title": "KnowledgeOwl MCP by usefulapi",
"version": "1.25.0",
"websiteUrl": "https://usefulapi.io/knowledgeowl/"
}
},
"source": "mcp_registry",
"summary": "Read and write knowledge-base articles, categories, snippets, glossary, readers, and search data."
}What the leaf hashes
{"body":"622e8515b9756a7e5dabd9442b5a79a622af437bd4a8b22597be1830446d0c31","id":56675,"kind":"listing","method":"baseline/1","observed_us":1793025440266067,"prev":null,"subject":"mcp_registry:io.usefulapi/knowledgeowl","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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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae