Evidence row 19194

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://presentofai.com/mcp"
    ],
    [
      "web",
      "https://presentofai.com/developers"
    ]
  ],
  "name": "com.presentofai/present-of-ai",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-11T04:08:13.018218Z",
        "status": "active",
        "statusChangedAt": "2026-10-11T04:08:13.018218Z",
        "updatedAt": "2026-10-11T04:08:13.018218Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Free, read-only data on about 4,900 AI companies, open AI jobs and dated AI news, with source links.",
      "name": "com.presentofai/present-of-ai",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://presentofai.com/mcp"
        }
      ],
      "version": "1.0.0",
      "websiteUrl": "https://presentofai.com/developers"
    }
  },
  "source": "mcp_registry",
  "summary": "Free, read-only data on about 4,900 AI companies, open AI jobs and dated AI news, with source links."
}

What the leaf hashes

{"body":"542593e8fcb4d1597dd16c2a2292e09281738e91944da58cfd3c25afc9d5f61b","id":19194,"kind":"listing","method":"baseline/1","observed_us":1793025331236195,"prev":null,"subject":"mcp_registry:com.presentofai/present-of-ai","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. 0x637e96514b65e820e8bd02f5c4999fa8ad0e5cdb9b4ad4e7f39e51f795810c8f
2. 0xcd3a61fb263c3d4c53fd65991056d49d395d7070735ff020122d1cfe024fb02e
3. 0x1991cff820372417b48de3af78eb885a0987ab20a51f07acb7f6c042f30bdb17
4. 0x6670c5f05bc8fa36bb77f120144fa6179784023765db358afb1d66a07f61fa42
5. 0xb0bbfe67edf23e5a034a023aebe0c46c1eef7760155416de2780a5af47b7010f
6. 0xf97c2f720b6f105ab824a311b9e1c7f8b0f4842a83717da3263433e072128f15
7. 0xb2696e7d996f9447281dbc09784a39ff2e5cb6f371032793d92387356127953f
8. 0x389952fec4b9120926541758492a6ad94e7fc0e6d07c7a7579a94fceab3e6743
9. 0x7ce8009e0ade8389109c2f54f5756e1f15a0afa25b5da6008befeb3c90a51b5c
10. 0x805c08486b6cd1b041c9a402e5b3eb6f97649952efcabb97e1817185a4ce7572
11. 0xde5ff34fc9e6ff297fede5d3c4b4de6828c65b98246109399106064f912afa82
12. 0x3c8355143bb13802401d5a80f8a70809a59f429bc298f4912731fc8d207e4f43
13. 0x13f4b94ecf613d585c952b5363dad2b247a55371eb8e358bb89dc033e83128b1
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae