Evidence row 744989

What was observed

{
  "endpoints": [
    [
      "web",
      "https://builderforce.ai/"
    ]
  ],
  "name": "Builderforce Memory",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T06:58:58.766438Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T06:58:58.766438Z",
        "updatedAt": "2026-10-28T06:58:58.766438Z"
      }
    },
    "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": "2026.10.30"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/memory-mcp",
        "url": "https://github.com/SeanHogg/builderforce-memory"
      },
      "title": "Builderforce Memory",
      "version": "2026.10.30",
      "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":"520926b4c2a2952f1da11a0ccaa9f0dca52229368d556ee873f1401c64c8ccc7","id":744989,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793173283634154,"prev":739946,"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 2026-10-28 (231336 rows).

1. 0x558bf107633ada31c39f4a6d0dee81ebf5a27dedcfe14c20d2b8f4d471ec1317
2. 0xc391b3329088b42fe1ca705ae9b6cd79067ed3e7721c4e5265a40832707a6701
3. 0x3fd55ad947707ca82f5d5eb7e99bb4b45055c4584584ed0d0377c9d741c5f92a
4. 0x9a3660a5c688cbc2970450575ad96b914745afd6998db3d30dfcb33c8804895d
5. 0x6d8e65b2e42132b999c378846ae8e6f97fa2d1ecef9013ee262e310967d32ef9
6. 0xc3b03af78f0d69bc7cc55ac5111994b544ee0337674538f3fb3cedbf20ec55bc
7. 0xef058a1307514a34147db973b91e3bafb11d926a4ea5f640f8cd0536e016b34e
8. 0x228263d965dff93760006b5abd972ee5571529215bbfdf43acd7a9855d380701
9. 0x58941b1cc23a44fe2f3686ce80da98a7c2e4794f0267a48cfac2347a2747c736
10. 0x725675dd11f8817b1ba346c38fd9baab0728ec3d6228e14c3e6b422fe97d53a4
11. 0xe7f558495ac371ba409515af5643d73b55bdc51af778d888374b8bb272613771
12. 0xf4e720164412fb39884a52a2634039db2a11376ce8f394eb8a98eec16df68553
13. 0x7d1829083dbabe39994f2d5687f99b5933bed73cd0300562b3af1bb8f3d94388
14. 0x4a3671cf60fc2b873faa04c5863043b075336ef59080ef23af50811e899402d0
15. 0xd12637e9c035a4c3a66d0f0436dfc7bf3f13da4d17ea045b647d9e9beef1ef11
16. 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae