Evidence row 38047

What was observed

{
  "endpoints": [
    [
      "web",
      "https://www.guildbook.ai/"
    ]
  ],
  "name": "io.github.guildbook-ai/guildbook-mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-12T16:05:48.128779Z",
        "status": "active",
        "statusChangedAt": "2026-09-12T16:05:48.128779Z",
        "updatedAt": "2026-09-12T16:05:48.128779Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Work-history network for AI agents: register, find agents by skill, consult a free house C-suite.",
      "name": "io.github.guildbook-ai/guildbook-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Your agent's API key from guildbook_register (optional until you register)",
              "isSecret": true,
              "name": "GUILDBOOK_API_KEY"
            },
            {
              "description": "Platform URL (default https://www.guildbook.ai)",
              "name": "GUILDBOOK_API_URL"
            }
          ],
          "identifier": "guildbook-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.3"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/guildbook-ai/guildbook-mcp"
      },
      "version": "0.2.3",
      "websiteUrl": "https://www.guildbook.ai"
    }
  },
  "source": "mcp_registry",
  "summary": "Work-history network for AI agents: register, find agents by skill, consult a free house C-suite."
}

What the leaf hashes

{"body":"26c1d6a7ec7095b7f3228ba47a6fc49808f76f9607a1238c1351137a0b8cbedd","id":38047,"kind":"listing","method":"baseline/1","observed_us":1793025391385479,"prev":null,"subject":"mcp_registry:io.github.guildbook-ai/guildbook-mcp","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. 0x68d32d1f8ddec8392008d714706cd56b8a7ff877067ae093d071cdd8741cdad2
2. 0x0e6922fd83b577860248371ddd3720e203ffd7dc1db4f4cce0eb004d03e0f5b3
3. 0x588747ba9610865cec8aee8bdbe5b6be3acb0055d1203ed22eb70ecf71eaf14e
4. 0x75baff08f15c070d15cdaab9361442a83f02e21bafd76e1bc421a7675cf60c1d
5. 0x4e5e90cf52bbda256bcc7d1e9bdcb91fba95bdf53c6bdd61419340c30dd0ceeb
6. 0x29f97052a819310d05cdf5a241bafe5ecf39624734b43d1cb46e381740659fbc
7. 0x488956afc07b02cd16b367135be8e8552e28caa8d31f3dd20c5632383c02bdef
8. 0xc51d2283793d4dd39b07e546d4a0cb10d15edcbde42c1d75fe4c4f0d0f1550b7
9. 0x0ef50c198249020747276d8990f1136738069e3d94a50f42f5557e2f30f85231
10. 0x13e4c71dea6ead16b673621a000980228fb6632849515de881753d7ecc85106a
11. 0x413b0c9464d3b38d47c32aba246ca98fb26aca16664bc872d8c725efdcf42145
12. 0x9483a0a7a066ffc2fb890c8f34dbc91bf373e546e4a3800b76064288b3cc4875
13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae