Evidence row 387598

What was observed

{
  "endpoints": [
    [
      "web",
      "https://builderforce.ai/"
    ]
  ],
  "name": "Builderforce Memory",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T00:56:45.370103Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T00:56:45.370103Z",
        "updatedAt": "2026-10-27T00:56:45.370103Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Token-saving persistent memory for AI agents: recall durable facts instead of re-reading files.",
      "name": "io.github.SeanHogg/builderforce-memory",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Absolute path to the JSON snapshot that makes memory survive restarts. Defaults to ~/.builderforce-memory/memory.json, which every MCP host on the machine shares.",
              "format": "filepath",
              "name": "BUILDERFORCE_MEMORY_FILE"
            },
            {
              "description": "Set to 1 to expose recall only (disables memory_remember and memory_forget).",
              "format": "string",
              "name": "BUILDERFORCE_MEMORY_READONLY"
            },
            {
              "description": "Builderforce tenant API key (bfk_*). When set, additionally exposes the token_usage and model_efficiency cost tools.",
              "format": "string",
              "isSecret": true,
              "name": "BUILDERFORCE_API_KEY"
            }
          ],
          "identifier": "@seanhogg/builderforce-memory-mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "2026.10.27"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/memory-mcp",
        "url": "https://github.com/SeanHogg/builderforce-memory"
      },
      "title": "Builderforce Memory",
      "version": "2026.10.27",
      "websiteUrl": "https://builderforce.ai"
    }
  },
  "source": "mcp_registry",
  "summary": "Token-saving persistent memory for AI agents: recall durable facts instead of re-reading files."
}

What the leaf hashes

{"body":"aadd0ff44f090c29cc9adc1cb3305f99555345c523ab3fb83f89909175969397","id":387598,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793062965344462,"prev":31045,"subject":"mcp_registry:io.github.SeanHogg/builderforce-memory","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x07a45779b346cf144cbe9305d00df59699b264d0e852569ffc9f58d877dcc3de
2. 0x33e57cde6aab27cdc41d07354de5f7207c01337659cbbac9acbc38e2f6bf531c
3. 0x55118d249aff66a75d613b66787c284d53248bdab19110b463273556bec4099b
4. 0x248edfe0bc765a123ad720a80cc4b7790e4a24c5b365860c12890db66f00f429
5. 0xb7b9d8e5d4d8e07212e7534451eef7a9e971cb5a94574e8f9f140e6885145185
6. 0xfa1b65df5f07f9a4809bfbb01e894ef0238cb21bcac948158e4a6c1eaaf658fc
7. 0x67116d00bb8f46f7f23bf7b0156e578a23eec739405b06ebf03e315063d53f98
8. 0x6ef95b3cf3c02b266587a38a94ca2d4a0ce60e2910f5675396ff6311a57615b0
9. 0x378d551d3f5cdc6f0337fb8f864e7e22bd94180b9e78bf22e1bd0f2713b2bda4
10. 0xab20ea65b3d1d1695f3ec1ed472b124c0c34eec77e67077c24d8608443e280fc
11. 0x14706fe5aa0e5f3898d45e678cf7ad8e049f525b3abf19494b1e25108e6f0c2d
12. 0x83ecdc3f438927cf48db4a55310f9dfd15d99a4a97bbb753d7d44af98599978f
13. 0x7e8c79bd0dee073006d03de64eaf1047d3bfd30041ac4fc765479ffd5a092e62
14. 0x29e12cb67839430fa64ab8bd05d52bab606f2978d9e6d2fb094fece9438fd4de
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4