Evidence row 54956

What was observed

{
  "endpoints": [
    [
      "web",
      "https://huggingface.co/spaces/willykeenan/agentbrain-handoffs"
    ]
  ],
  "name": "AgentBrain Handoffs",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-26T22:58:58.856457Z",
        "status": "active",
        "statusChangedAt": "2026-09-26T22:58:58.856457Z",
        "updatedAt": "2026-09-26T22:58:58.856457Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Exact, durable handoffs between AI coding agents: one turn in the right session, never twice.",
      "name": "io.github.willykeenan/agentbrain-handoffs",
      "packages": [
        {
          "identifier": "ghcr.io/willykeenan/agentbrain-handoffs:0.1.0",
          "packageArguments": [
            {
              "type": "positional",
              "value": "mcp"
            },
            {
              "name": "--agent",
              "type": "named",
              "value": "{agent_id}",
              "variables": {
                "agent_id": {
                  "description": "The registered agent id this server acts as",
                  "isRequired": true
                }
              }
            }
          ],
          "registryType": "oci",
          "runtimeArguments": [
            {
              "name": "-v",
              "type": "named",
              "value": "{handoffs_dir}:/data",
              "variables": {
                "handoffs_dir": {
                  "default": "~/.handoffs",
                  "description": "Host folder for the handoff database",
                  "isRequired": true
                }
              }
            }
          ],
          "runtimeHint": "docker",
          "transport": {
            "type": "stdio"
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/willykeenan/agentbrain-handoffs"
      },
      "title": "AgentBrain Handoffs",
      "version": "0.1.0",
      "websiteUrl": "https://huggingface.co/spaces/willykeenan/agentbrain-handoffs"
    }
  },
  "source": "mcp_registry",
  "summary": "Exact, durable handoffs between AI coding agents: one turn in the right session, never twice."
}

What the leaf hashes

{"body":"5d778b46b1bcc1f6e6aefff40eab2405f875658fe801b2738ac33e95fdd3fb99","id":54956,"kind":"listing","method":"baseline/1","observed_us":1793025434341772,"prev":null,"subject":"mcp_registry:io.github.willykeenan/agentbrain-handoffs","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. 0xd3dde5b51cf6c581c1ee78377cb9be083abb4c00d9a5e63ae79edf95088b4085
2. 0x441bc256c5f7a5ee798f371de1ba15c9735811a1fe2acc81041c633ba96780d0
3. 0xb8ad80a7466d689e5ceaa782d0fe9977b3035d1f1b308f539e967acf12db049f
4. 0x51e82f001d234660032df3e4eb14ecaebe0f40d18c6afb627a3987fdd9e39b25
5. 0x9751e447567b4924c7c732b32b7e9405c3aae04221b92c37bc655529a816bf92
6. 0x51b6064b4f86d7464ab093909c0cf14c9a6ee19116786b6d4925a0ae38c7af50
7. 0x0694fc698338433a1ef5acdc6dbec95ad8a66af4734cef4050d8b105d56cbb3a
8. 0x8a449ca4b0d2f4085c2b107ea763caabac746971d0f0b6e402752a2aaa8cc956
9. 0xcfadec68a3a4dd26717dd245422f2e890d938c48812f34ffce5806e8aac21850
10. 0xa2e80671dd591188e2f9ffca4feadda9599a056a371af323021b390343be0982
11. 0x14362d8e1df4e5c0cf9c6949986f8f51c6a0b5605b593e145aade16c5f5c871a
12. 0x9f6b360f1992898cb3f17e45d0bf5a96f946d7eaf9705a57af03c151a407d239
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae