addrbookFor publishers
← 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).

  1. 0x7ba325e531b8006a2fe825a7f7222c527e0fa5c511a9d084843473c9aec55aed
  2. 0x1b4110004a3967f45bd2c4486f837804bc8da1baa76b7c044b6cfce502631931
  3. 0x6c4353e52493d6a9c0a770aac6fb60b25ce4e1936b655a09db02682e7ea6a1d4
  4. 0x65fef00406106fe7418e21b1140c1ae6e8543fe7f9f14c5c28ad6ec578cbf045
  5. 0x4b3483580e251a8654c4bc7a32ff2c866d876651b2b9a0c75d29cfaa26e4abc6
  6. 0x8a37aab236552d0c8669dffec5245b2e6e06a7f1b2638c71441c2e1d6c7aec46
  7. 0x4c40c4320a2803b1e07b890f3b0a358f1292b314767169fdcaefd58799beff09
  8. 0x0496fb0617eaba094acb9ea90a85179b133403bcb9cab57f1b2c5e7ad6710908
  9. 0x8caee9afbb05a4835a218eb48fc91e7ed2d96d9ac2608aa5bd853fe7019d8d94
  10. 0xf2381ca3135154cac94d3453c232f31feb3dabefbf1c73459b1e84459d545370
  11. 0xe7152aaccc7d7d5da2d13bc6ee8ec470b8c1a5abe7dfed1431f0ed53ec50ebc5
  12. 0xa6406b1a5540d26e0cbd03bb274a01c10968fadb17913a6043bb9427ddfb71ba
  13. 0x01c95624b1f2385ef774ee258a9ae58a4df07a1bdaa829de84e1d5201f3f39c2
  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