Evidence row 25257

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://cathedral-ai.com/mcp"
    ],
    [
      "web",
      "https://cathedral-ai.com/"
    ]
  ],
  "name": "Cathedral — Persistent Memory for AI Agents",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-04-12T18:32:00.291239Z",
        "status": "active",
        "statusChangedAt": "2026-04-12T18:32:00.291239Z",
        "updatedAt": "2026-04-12T18:32:00.291239Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Persistent memory and drift detection for AI agents across session restarts.",
      "name": "io.github.AILIFE1/cathedral-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Your Cathedral API key from cathedral-ai.com",
              "isRequired": true,
              "isSecret": true,
              "name": "CATHEDRAL_API_KEY"
            },
            {
              "description": "Cathedral API base URL (for self-hosted instances)",
              "name": "CATHEDRAL_BASE_URL"
            },
            {
              "description": "Set to 1 to enable prompt injection filtering on memory content",
              "name": "CATHEDRAL_SANITISE"
            }
          ],
          "identifier": "cathedral-mcp",
          "registryType": "pypi",
          "transport": {
            "type": "stdio"
          },
          "version": "1.1.0"
        }
      ],
      "remotes": [
        {
          "headers": [
            {
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {CATHEDRAL_API_KEY}",
              "variables": {
                "CATHEDRAL_API_KEY": {
                  "description": "Your Cathedral API key from cathedral-ai.com",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://cathedral-ai.com/mcp"
        }
      ],
      "repository": {
        "id": "1127298012",
        "source": "github",
        "subfolder": "mcp-server",
        "url": "https://github.com/AILIFE1/Cathedral"
      },
      "title": "Cathedral — Persistent Memory for AI Agents",
      "version": "1.1.0",
      "websiteUrl": "https://cathedral-ai.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Persistent memory and drift detection for AI agents across session restarts."
}

What the leaf hashes

{"body":"19ced8ae6741bc349d694003bb9e4b3f1bcf48d35e1ae177251a8cbe143d03c9","id":25257,"kind":"listing","method":"baseline/1","observed_us":1793025354382572,"prev":null,"subject":"mcp_registry:io.github.AILIFE1/cathedral-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. 0x0b63a113d0d87073ba320ac019379ceb5bd5348beb2e78e3816a9f499d5f0404
2. 0x3c6f1a2cbc2a1f4bb7b38616314e83a689fc320abbb6e5b05804f5f7cfdcd3a6
3. 0x2dcc1843cd65b70ca0666e6d868111dcea229495a17b8c1cfefd1288ba5b5280
4. 0x4ca7f5568b5df1786c02b89b2de54eae22bf7315b6f88b450015cb807165aec8
5. 0x377675d190df56768cf22fc5585401954e27b3d3703e959b107a9ce52382471a
6. 0x3018b2317d129fb293e5f0ca68cbc547f938251fcf3093e8c0dab5efe58916d7
7. 0x0a37a7fc39213df554d45b55d3d4ebafcfa67c08642f2942af2e9e12b49edf86
8. 0x2d619024584908ad7c5268f9936f853bef0095c45572ed6b69bb3b08597a52d9
9. 0xd83877ac63a961b0129a97a80da7a77dea06dab1654464985a8bb3d4fd340afc
10. 0x0317d9c853b2cffa1fdc2c62014a377dfdfb03f28f46b665e5f3801b32d539fd
11. 0xb590404cb9438c769f672be0f0089b46b380374a2b3728911a35efd8d94b6a83
12. 0x0295c7c2280f85143f6ea027ec5cab1cda783eeef5bca0accb9aea607c5aa3c2
13. 0x5aefcf9e3d86e125861c0d490079969110eea8fc901ec61531bba10bb58258a1
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae