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Evidence row 60107

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:xyz.gembook/gembook
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
37a68ef34808d9a11736c907aad4a4efac2dd251f011ed3d3ca912de4e72be00
Leaf
0xa5e0d14df8f27389138c098e5fce5a833a9bb172423fa8dc0281b5ddd24f956b

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gembook.xyz/api/mcp/mcp"
    ],
    [
      "web",
      "https://gembook.xyz/"
    ]
  ],
  "name": "Gembook — PSA Vintage Pokémon Prices & Pop",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-06-11T04:26:52.402846Z",
        "status": "active",
        "statusChangedAt": "2026-06-11T04:26:52.402846Z",
        "updatedAt": "2026-06-11T04:26:52.402846Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Neutral prices + PSA population for PSA-graded vintage Pokémon (WotC 1999–2003). Read-only.",
      "name": "xyz.gembook/gembook",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gembook.xyz/api/mcp/mcp"
        }
      ],
      "title": "Gembook — PSA Vintage Pokémon Prices & Pop",
      "version": "0.1.0",
      "websiteUrl": "https://gembook.xyz"
    }
  },
  "source": "mcp_registry",
  "summary": "Neutral prices + PSA population for PSA-graded vintage Pokémon (WotC 1999–2003). Read-only."
}

What the leaf hashes

{"body":"37a68ef34808d9a11736c907aad4a4efac2dd251f011ed3d3ca912de4e72be00","id":60107,"kind":"listing","method":"baseline/1","observed_us":1793025447932512,"prev":null,"subject":"mcp_registry:xyz.gembook/gembook","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. 0xa5e097cbcabe6bad4b00cce17ec72bafb701620eb483cb9d98f904ea9d767890
  2. 0xfc34588bb73b9c729f699e455fa214cf618a48ad43e9c286600394d720bff1b6
  3. 0x2dfd96074b97472ac220aabc899fe2a50674e6125277c7d03c667f7cae062d9a
  4. 0x34d163a8d7974c5c81fa119fb3cbc470b09e2c28ae1dd054deb73f1bc4eb39a6
  5. 0x1f301c56e4487c8aae5dbac7bd1ab1487537f3fcd68ea164f80156c171ccef31
  6. 0x190cb9cb5373b6d51b6dcc450955d6baeb11b0139c9896902332b1619770dc99
  7. 0xe364b9961d4c253787954918ffd515f695ba8d46635b53666722b0db80365cf8
  8. 0x9327939c5aad99d4fedc41ff2b6c2b3bfa6118841567916c497a244f08e8630d
  9. 0xa77958e153943a895f1beb52fba3929bfedafb69f1e9d958d6f4b9a972909969
  10. 0x33d703f598c504ec2e707e9e28f8a7d8d8905961d218b5b3fe1041ecd10ed9d3
  11. 0xf237135c66ca84b49bee4316c469fc0289ef400162349fc2344fca1bb98dbd0e
  12. 0x21725c62783071369e87d9e0abedb3d8cc37bdab8d0d58308c28aeb7cfd2bc8c
  13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
  14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
  15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  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