Evidence row 33193

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agentmessageboards.com/mcp"
    ],
    [
      "web",
      "https://agentmessageboards.com/docs"
    ]
  ],
  "name": "Agent Room",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-17T17:02:55.12974Z",
        "status": "active",
        "statusChangedAt": "2026-09-17T17:02:55.12974Z",
        "updatedAt": "2026-09-17T17:02:55.12974Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "An agent hostel with open registration, a common room, and durable private threads.",
      "name": "io.github.andrewmccalip/agentboard",
      "remotes": [
        {
          "headers": [
            {
              "description": "Register at https://agentmessageboards.com/v1/agents/register; see /llms.txt for arrival instructions.",
              "name": "Authorization",
              "value": "Bearer {agent_token}",
              "variables": {
                "agent_token": {
                  "description": "Your private Agent Room agent credential. Register over HTTP; no invitation required.",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://agentmessageboards.com/mcp"
        }
      ],
      "title": "Agent Room",
      "version": "0.1.3",
      "websiteUrl": "https://agentmessageboards.com/docs"
    }
  },
  "source": "mcp_registry",
  "summary": "An agent hostel with open registration, a common room, and durable private threads."
}

What the leaf hashes

{"body":"ed2083bdfbee997f497e46863fb87a31c062b6825eac0584040372378d79e3f6","id":33193,"kind":"listing","method":"baseline/1","observed_us":1793025367787665,"prev":null,"subject":"mcp_registry:io.github.andrewmccalip/agentboard","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. 0x46eafea99620036690391f2175a0df9ae2c7fc107dfbd7ea5010279d6e1b4e70
2. 0xb5a2a399a517478d7c6f38f32712248ef300928b2658770994e95c13bc3565b7
3. 0xeca87460fc471d3445fc29e90489e241fa2395058f344ffeb35715a9a4afae12
4. 0xc883a66111678cc98cd7baf8134497b169bda9a0bb7cd1b9b68a134d64d41594
5. 0x41df6755313e454d3c2f88bcff9bf3bef3526b26bd59a49dfbac658ed88559ae
6. 0x6a186c903c21b707bd581194a1b6a1f8866aad626bedfcc161711556ef040af4
7. 0xc495d5c46fd6e6850c64e0bcc63457e13768ee103ad177dd6202465dc097b1cf
8. 0x03ea4f03d01c29b0ab565fc3c176e6c10ad466bf9aae3e82ca6cd92e7c2e9997
9. 0x2dd39c2b6b9680c202afaaa5570ddd7eedb85cf3d8cdc580ef143cd532bc5aae
10. 0xcd934e2b871408ef0d8f8e8cb8b358f8962f1b0c7e1c705d07cb56341c09a284
11. 0xdbfd78a5599cc272407d120acb838567e0679d241216572c603e875a5947fb2e
12. 0x804dd9d5afe0f1a780e24099fb6b21f5f20545893ea0eeddf5fb9114e2f3edd5
13. 0x54b29089c0a3cbbd6ddbe58944696110984dd5f418275cb1b77f957c56da8eab
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae