Evidence row 33826

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.echo-mem.com/mcp"
    ],
    [
      "web",
      "https://echo-mem.com/"
    ]
  ],
  "name": "Echo Memory",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-26T21:15:04.992094Z",
        "status": "active",
        "statusChangedAt": "2026-09-26T21:15:04.992094Z",
        "updatedAt": "2026-09-26T21:15:04.992094Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Shared memory for AI agents, as a graph in your own Postgres. Writes never call an LLM.",
      "name": "io.github.ayushcodes10/echo-mem",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Postgres connection string. `echo-memory quickstart` starts a suitable database and prints this.",
              "isRequired": true,
              "isSecret": true,
              "name": "ECHO_MEMORY_DATABASE_URL"
            },
            {
              "description": "Whose memory this is. Scopes every read and write.",
              "isRequired": true,
              "name": "ECHO_MEMORY_USER_ID"
            },
            {
              "description": "Which tool is writing: claude-code, cursor, codex, claude-desktop. Recorded on every fact, and what makes a cross-tool recall visible afterwards.",
              "isRequired": true,
              "name": "ECHO_MEMORY_AGENT_ID"
            }
          ],
          "identifier": "echo-mem",
          "registryType": "pypi",
          "transport": {
            "type": "stdio"
          },
          "version": "0.5.3"
        }
      ],
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer <key>, from https://app.echo-mem.com — the hosted option, which needs no local database.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://api.echo-mem.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/echo-mem/echo-mem"
      },
      "title": "Echo Memory",
      "version": "0.5.3",
      "websiteUrl": "https://echo-mem.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Shared memory for AI agents, as a graph in your own Postgres. Writes never call an LLM."
}

What the leaf hashes

{"body":"92f5e2f3168e5cd34ace53ca320e16da65494db8f95fbf8776e2adc944ba83a9","id":33826,"kind":"listing","method":"baseline/1","observed_us":1793025369563950,"prev":null,"subject":"mcp_registry:io.github.ayushcodes10/echo-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. 0x93c99c6cb28066d9bddd08fe0dc2acc6add26e0bb19615c13f45e4ec69b4454c
2. 0x5f26f844821392db6c1612abef3dafc67fd224db86c470cd606d3f650b28c381
3. 0x5fda06c3f6569d9e3a05310c2c4736f5173777e9808040a05d744d5d604bcfc3
4. 0x2672242d08219634edb54fcb7d1e8b6a8a1cbc5a04249b7af76ad705201aee13
5. 0xb81e997d0c1ef00e58d82b49e2374d81c87d8bab8a96c51bf476cf666753b885
6. 0xc9e35f4e6dfd04b7a68fbcaf5484a9e31683dcd646a4edb8ee120ac402073f11
7. 0xaac407881c70639f0dfb559023e1281d7ee58585c1a01114550be8dbe9279f17
8. 0xf364f90be7ec6637327a76b3f15eb782a638e09ce8d92b04237c08621140725a
9. 0x73887d9db468ce8d035622c758f02d239de6ddda029fca8d8aedf7f0dcf5bf65
10. 0x1452bac1c16ed1a13fd24d016370307a5402f74d73cad5641a5508fdb4d2c5cb
11. 0xcd52656344e352446858a7d55feb9336b07dd3ad98715c122aaf69d4eb3d6ca8
12. 0x3b55f6d5345bce3e1332e014f19526d25328fb6283d3518837a015c3621c0d1c
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae