Evidence row 771608

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/muvon/octobrain"
    ]
  ],
  "name": "Octobrain",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T11:38:28.761866Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T11:38:28.761866Z",
        "updatedAt": "2026-10-28T11:38:28.761866Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Persistent memory for AI assistants with semantic search and knowledge graph relationships.",
      "name": "io.github.Muvon/octobrain",
      "packages": [
        {
          "identifier": "@muvon/octobrain",
          "packageArguments": [
            {
              "type": "positional",
              "value": "mcp"
            }
          ],
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.15.0"
        },
        {
          "fileSha256": "3191dcf633e3494e850ae2adfc659a8259d6517a091d15c527ade4253d1ec8e3",
          "identifier": "https://github.com/Muvon/octobrain/releases/download/0.15.0/octobrain-0.15.0-aarch64-apple-darwin.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          }
        },
        {
          "fileSha256": "aca5316e5211b3e1d02bac70d96b02613ec8e6544bebacee65cdfd8d7c27d948",
          "identifier": "https://github.com/Muvon/octobrain/releases/download/0.15.0/octobrain-0.15.0-aarch64-pc-windows-msvc.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          }
        },
        {
          "fileSha256": "2907a719bc7a1c2b4601414ab883ef89669888b7703c52f4fbb82006780eea7f",
          "identifier": "https://github.com/Muvon/octobrain/releases/download/0.15.0/octobrain-0.15.0-aarch64-unknown-linux-musl.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          }
        },
        {
          "fileSha256": "03dedf223599e11cc72b3d4cf8a1cca2fcf3d5517e7cf1a50d5d85a3a589a941",
          "identifier": "https://github.com/Muvon/octobrain/releases/download/0.15.0/octobrain-0.15.0-x86_64-pc-windows-msvc.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          }
        },
        {
          "fileSha256": "0263d3b75d601d24dad2e313ad4f6c9f1e7edee0db4ff1be70d807dc56068525",
          "identifier": "https://github.com/Muvon/octobrain/releases/download/0.15.0/octobrain-0.15.0-x86_64-unknown-linux-musl.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/muvon/octobrain"
      },
      "title": "Octobrain",
      "version": "0.15.0",
      "websiteUrl": "https://github.com/muvon/octobrain"
    }
  },
  "source": "mcp_registry",
  "summary": "Persistent memory for AI assistants with semantic search and knowledge graph relationships."
}

What the leaf hashes

{"body":"f3934923218ddc6dc0b59c8e6ce2daa225fb69d1913785dcc9b507d7770a07ae","id":771608,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793189453339893,"prev":29860,"subject":"mcp_registry:io.github.Muvon/octobrain","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. 0xb1cdd351cc1fd6fd4364fac4cb56239cb65b1bcabc5a0e77ad5a9173a0e18f26
2. 0xe5947a715c0407dd8e585d945bb9381b2a3ffee1e0089e7821c5c52f94e5ec28
3. 0x0bd78c1f1976f2e7367bd4f5ff3911b5133c3dbf1eacc4321141008fc4e1ebe4
4. 0xfdaaef9cd7430f491d79521d575321fc0d5119d55515ed0debff57886ec58422
5. 0xc3d5fab196468fa4cb15b76b258658384c8726cb528621789506e3b7803a4c3c
6. 0x5a20c10ef7b13801cfa01507a0db9166efa89dd2d93c6024199dca5c79d77ce9
7. 0x3abc0f9e2477da2091766d9b7643fa07a328119ada7329968286656571db9717
8. 0xa5b619999098f1230c3aca909595aaa721144dcd165722bdd0da16580f93e8b5
9. 0xb1c8aaeb3732f6ec44404d6f27bf0c69eb10cc629028d04d28795e7b02f8d27b
10. 0x54ff6c4b018624d2d094d976ec02cadbe3631fbda04d6d7b12b8f8d770519caa
11. 0xa97e39afecb0b05779b5d63485e58c90d3888fb389c77c0d1282ca25b71aa2c0
12. 0x5a479aaebe9f67b843e6d7aef6fb431b656ee3cdb7c101ed4174c84175b7a63f
13. 0x2c930436acda0fc12ca6444c398732253201032fcc30928df4b856695845c63b
14. 0xad5ed8dc5ef9ee1ff21d19f603db7fd603ad90ffc13b68cf331a879eabb7b657
15. 0xcd8084fb60eb6be382a8750a344eb425404f5162e8ae3db9a15ef555a7942b85
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae