Evidence row 60153

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://presio.xyz/mcp"
    ],
    [
      "web",
      "https://presio.xyz/"
    ]
  ],
  "name": "Presio",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-07-15T13:41:29.848657Z",
        "status": "active",
        "statusChangedAt": "2026-07-15T13:41:29.848657Z",
        "updatedAt": "2026-07-15T13:41:29.848657Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Present PDFs from the browser: upload to start a slideshow or validate Presio sidecars. No auth.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://presio.xyz/icon-512.png"
        }
      ],
      "name": "xyz.presio/presio",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://presio.xyz/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/benedict-armstrong/presio"
      },
      "title": "Presio",
      "version": "1.0.0",
      "websiteUrl": "https://presio.xyz"
    }
  },
  "source": "mcp_registry",
  "summary": "Present PDFs from the browser: upload to start a slideshow or validate Presio sidecars. No auth."
}

What the leaf hashes

{"body":"5171bdbb531e5fdd1b287536d5fd2e26faf3db71ee9dbf110802dce2bf5fdf59","id":60153,"kind":"listing","method":"baseline/1","observed_us":1793025447990239,"prev":null,"subject":"mcp_registry:xyz.presio/presio","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. 0xae545509c09c5120b39700ecef302d9ff2bb0d1a588e9ed5a16ce3e12634bb69
2. 0xa3952e6cafff1327015bdb38823716941fa175c0e97ed2dc9f269debcdb01c32
3. 0x5fcd69fc3481263b997f2d86557a74e3bbc0db9a85add62d639c2e78b3955f46
4. 0x6681bfb209bd2f67e0e841b772280e40bf78300303acb370dfcc2948869bb74c
5. 0xc95ad470f2c91cffd3d7df4275ea2d29540d8f5bc82c57b509d79ec98307b889
6. 0xce8ba521ac984fcb35873ae5b5f054ef4302e12a7f8da44847c0c4cd68f97205
7. 0xa6c4b089210c6d648da6598cde1a593652da8b1d633a887dc1ecd76e513b83b2
8. 0x8c6f528cb76252b9d7d4f95c126ef4377884395656f24cad04ae4e97b6259665
9. 0xefa6fbda900ed5d0d1468130ec6682fb0efc285576ec5a8c20f0ea937d888dcb
10. 0x3c54c01bf4318d5a836732de25aa152fd493cfc74e9e7d61b6833262a76c28e9
11. 0x3ed84d9e7fe1a3a53a5614d97b48e393d726ca06109e83696375afe5ad01fd8f
12. 0x51f06c175a7c946ebe50ef243d6f9370a8fe85c996e53eff19ffcc4585ea8c18
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae