Evidence row 42770

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.mementoagi.com/mcp"
    ],
    [
      "web",
      "https://mementoagi.com/"
    ]
  ],
  "name": "Memento",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-20T05:24:15.009264Z",
        "status": "active",
        "statusChangedAt": "2026-09-20T05:24:15.009264Z",
        "updatedAt": "2026-09-20T05:24:15.009264Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Hosted MCP memory for coding agents: persistent across sessions, editable markdown, team sharing.",
      "name": "io.github.mementoagi/memento",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer token. Use a Memento API key (mk_...) from the dashboard.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {api_key}",
              "variables": {
                "api_key": {
                  "description": "Memento API key (mk_...)",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://api.mementoagi.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/mementoagi/memento"
      },
      "title": "Memento",
      "version": "1.0.0",
      "websiteUrl": "https://mementoagi.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Hosted MCP memory for coding agents: persistent across sessions, editable markdown, team sharing."
}

What the leaf hashes

{"body":"773d5980b86590e7df24b5c824bfb27d33e6bde5e3839306bd7bab0ab6e5810e","id":42770,"kind":"listing","method":"baseline/1","observed_us":1793025401543541,"prev":null,"subject":"mcp_registry:io.github.mementoagi/memento","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. 0x4e521bca8695353d66e17bb386ea095be241de2a9f481fba920274d6ca695d21
2. 0x6ffa51c2aed045e1c9b59149ac7e81ba7442a66f507dea92369b8505ca01fd29
3. 0x254fccb7d8ee89fa3580a94c6f6d224c76c5828b5228f901047d2e418bedf5e3
4. 0x401b7ae08cf104408c7895d3883ae02ed08ebae4b459ba015720d6d61bc779cd
5. 0x8e6147eb59d0a4e9896c9a98f49dbc5f0259cd3c4793760760ee5069f9cd6f1d
6. 0x2fb1484be4d05105dc2b4e0fac55893de44f18177ec28d7dda9e4ed085af4f3f
7. 0x1b638450feb4c703fd1520cfd0f510ae2e51b2ac80fdc99ae0174bff89df463b
8. 0x90649b803db853c53bca7036e49ddeca07f32f7577e4564b3a9f982ad1adbe64
9. 0x65ec2c65d018d2cd6b58df339fc0f0ab50ee700eb308a8ebb898a4fb3d28e81c
10. 0x4e3a378d46fb644a540765cb2a75611ba24be0dbb514229e14d4860c2c09f3dd
11. 0x20ba86fd56bddd46212d02e792b969e90a1167c4fb9ba4a54cb7da5cf7da1629
12. 0xaf14a84837a57dc5a0cb0ebd158daaad24c19301b9257d9e97c322a7d8c54bc0
13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae