Evidence row 745027

What was observed

{
  "endpoints": [
    [
      "web",
      "https://make0.ai/"
    ]
  ],
  "name": "Make0 Brain",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T07:07:28.529265Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T07:07:28.529265Z",
        "updatedAt": "2026-10-28T07:07:28.529265Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "One shared, versioned memory for Claude Code, Cursor, Codex and every MCP agent. Local and offline.",
      "name": "io.github.make0-official/brain-oss",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Data folder for the database, local models and .env (default ~/.make0)",
              "format": "string",
              "name": "MAKE0_BRAIN_HOME"
            },
            {
              "description": "Optional. Turns on LLM features; Make0 Brain runs fully offline without it",
              "format": "string",
              "isSecret": true,
              "name": "OPENAI_API_KEY"
            }
          ],
          "identifier": "@make0-ai/brain",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.2"
        }
      ],
      "repository": {
        "id": "1435355852",
        "source": "github",
        "url": "https://github.com/make0-official/brain-oss"
      },
      "title": "Make0 Brain",
      "version": "0.1.2",
      "websiteUrl": "https://make0.ai"
    }
  },
  "source": "mcp_registry",
  "summary": "One shared, versioned memory for Claude Code, Cursor, Codex and every MCP agent. Local and offline."
}

What the leaf hashes

{"body":"42e5cd87b3d947a67c7534e1d8ab52fce934166f6dd03c38ed733a010111a42c","id":745027,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793173283938810,"prev":null,"subject":"mcp_registry:io.github.make0-official/brain-oss","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. 0xdc534e0bca7a5b5a84ff8bfd186f1033fa82428a600c848fae1da56b1191a48e
2. 0xc7195386ceebde477065a28a2291fdb14e50f05869017ff185a54f23fa263a95
3. 0xdd8aa4d4d67c52f1b9f925c3971fabc4239bc9a3d3e2075579b4a90586835ecc
4. 0x1cd15173a1ea2bae81d924103dcc1ae48f353e8492a7b3e8f9bfedbf0eb9106c
5. 0x095f37f74dfa2f1ed457acb2ab8efa6e05c33ef9dafbbd7a3ecde24e4761d0b1
6. 0x38c1e038abafb3809800c0d1f409cc755d8b49785f8aeca564755f5943f7b811
7. 0xbf663b29f36fb6bfd3700fbec20350de4b39fa67750a0c8f6c40450b12d94807
8. 0xe92d852d35362b9e6cfc5c03ea3394d43ffec24aea47af24d47e258a8ddca7ed
9. 0x3e611c6c07b28cdbbe7a79113bbdd0ecbc0b7bb4e2b605b8369ecca13db94278
10. 0xdb92c1d7c83d4dd1214b1e6c8db6bf95764a5f69cb436debc0b1a09250703f4e
11. 0x71fdfe1f04396febea4a1fe934f8b3ee1cfebd533eb0d739f9ce7493561eb3d7
12. 0xd9780e5731cbd1937161b610d28ec8ca9bc3bd967d3ebb457c3fdbd175516124
13. 0x82ed78906403b92178e04c4dd2d8720cd186be1cf80227fb38b0ce1778f2e146
14. 0x4c91c1a674a62931ce621a521121f13a2bd017a2cbd5ae2510623cd559d36663
15. 0x334629b51e7dfb2339fa4fd14202e288d70dbaccb3e5b04d2d5fb8f0d489ce5e
16. 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
17. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae