Evidence row 748876

What was observed

{
  "endpoints": [
    [
      "web",
      "https://builderforce.ai/"
    ]
  ],
  "name": "Builderforce Memory",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T08:32:48.068726Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T08:32:48.068726Z",
        "updatedAt": "2026-10-28T08:32:48.068726Z"
      }
    },
    "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": "2026.10.31"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/memory-mcp",
        "url": "https://github.com/SeanHogg/builderforce-memory"
      },
      "title": "Builderforce Memory",
      "version": "2026.10.31",
      "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":"c76b98fc21367528e2fb5689c5e5f2998c8f7dcfdb136774db75753c59f3d55e","id":748876,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793176884772994,"prev":744989,"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. 0x5b31f9fadc5f349d410331ee6df8fd71176cf235b69a6697027caf067172bd5f
2. 0x93cc50fd1108f15ea788e63c341805add839eef8ff90bb535b761833b3db1832
3. 0x5b23a5a22f47413e94d70f0d702889184315857672bc2362bece0ce50c1824c1
4. 0x5b800388c2b766a612a06619c8fec7da583c98786648e2a5c2853b61e826f130
5. 0x97a495d78f4f9eca9cce2ea7d0591c10674556b5f8a9472069f6ec2b752a0a43
6. 0x3976b8c67501654ccc4807ad2e7df306105e1c8ec3199ed5835bce56bb19bb40
7. 0x470c08a71e6823145acd9e163ad4ef6c0828b61bc37db55089c64d1e155060ca
8. 0x8844165b7977592fae902eaa685ad23635459933a517de29a5e32bc165b33e51
9. 0x524217c5a6510fa43e183eed6e988d3dfb3fd97804007a2044303b62515dc1e1
10. 0x69e1dd50d5b4a082e8b57c782607979c6787a60e4b9a5101ae34c4a8a9430856
11. 0x6a23ba055b276ecb3fbdd1e532495eb4692b09ed5bf629b442df07b83d1f3afa
12. 0xf08e2cd5ff297e1d8f4dc4d709f58bf9fdcfa6353db6848f7a6b6fa202ba50b7
13. 0xef15c536e795866a8bfb1b8a73e9760d27d138ecef7ee9cc237288f3c6490bbc
14. 0x8db2587099a4011758c742fc2aad940742aa47abddf6007f131e0d5ab4a9e92b
15. 0xe6054de1f67b1e6f15bcf16d2b6536cf35dd9705fdf6ce59853e79784693ab5f
16. 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae