Evidence row 42790

What was observed

{
  "endpoints": [
    [
      "web",
      "https://meridian21lab.github.io/cogito-mem/"
    ]
  ],
  "name": "cogito-mem (Cogi)",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-21T19:58:57.752677Z",
        "status": "active",
        "statusChangedAt": "2026-10-21T19:58:57.752677Z",
        "updatedAt": "2026-10-21T19:58:57.752677Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Local long-term memory for Claude Code and other agents: every message kept word for word, no cloud.",
      "name": "io.github.meridian21lab/cogito-mem",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "The memory's name (default: <your username>-hollow).",
              "name": "COGITO_MEM_NAMESPACE"
            }
          ],
          "identifier": "cogito-mem",
          "packageArguments": [
            {
              "type": "positional",
              "value": "mcp"
            }
          ],
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/meridian21lab/cogito-mem"
      },
      "title": "cogito-mem (Cogi)",
      "version": "0.2.1",
      "websiteUrl": "https://meridian21lab.github.io/cogito-mem/"
    }
  },
  "source": "mcp_registry",
  "summary": "Local long-term memory for Claude Code and other agents: every message kept word for word, no cloud."
}

What the leaf hashes

{"body":"c0f681a5b23b8711561dc8f9be4eea203eec24dc249bb939e85fcaee18d48514","id":42790,"kind":"listing","method":"baseline/1","observed_us":1793025401569435,"prev":null,"subject":"mcp_registry:io.github.meridian21lab/cogito-mem","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. 0x64ff973124dad276d20fa412eefe4d2c801d02df0928b0fc9630a56fc39e3197
2. 0x32d067b41481cf6f558722f6709f94a79f9f221fe282d731af0dab1948692c50
3. 0xb0bff023c2e5fc97d7064bde4b109187f30b07059e8c6b6af101271bce7c5f18
4. 0xec45f171d755299dfce3a4709cdeb76329d0cfc6a10bbfee3dfa7b9accf2516a
5. 0x6efa47ecd0133731c636ea8fe784469c21d4b936dbeef2832c03f09c50a9a428
6. 0x7329c17a2e65b0e74b5808f5002234fb3326b80874a986944b1334cc099952ac
7. 0x606022d9b752de4c8ae1e573579a448711590fe7fb333090b1583828e3220d58
8. 0x67a3470b19b2af372a86be407f64bd282a60df86fdad8b193372592309cc7725
9. 0x2ee2fb5f49f806e59961cd950397c5f4c6c72d7781069c4541cff2afbb1468dd
10. 0x4f5003bce752e6ac469e47bf82675ea21f50214ee22f0e5008b8629a3298bfbd
11. 0x2184826674dda59cfc6d24bc12b2c70a5f4db29f874e67fded919c1410503d2e
12. 0x611b1c1b68d04a71934006e383071a8f3836400d60beb86d81dd038bc102029f
13. 0x13f4b94ecf613d585c952b5363dad2b247a55371eb8e358bb89dc033e83128b1
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae