Evidence row 34421

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.butterbase.ai/mcp"
    ],
    [
      "web",
      "https://butterbase.ai/"
    ]
  ],
  "name": "io.github.butterbase-ai/mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-06-01T11:49:38.201068Z",
        "status": "active",
        "statusChangedAt": "2026-06-01T11:49:38.201068Z",
        "updatedAt": "2026-06-01T11:49:38.201068Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
      "description": "Butterbase MCP server — manage your backend: schemas, auth, functions, storage, RAG, deploys.",
      "name": "io.github.butterbase-ai/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Butterbase API key (bb_sk_...). Create one at https://butterbase.ai.",
              "isRequired": true,
              "isSecret": true,
              "name": "BUTTERBASE_API_KEY"
            }
          ],
          "identifier": "@butterbase/mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.0.0"
        }
      ],
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer <BUTTERBASE_API_KEY>",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://api.butterbase.ai/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "services/mcp-server",
        "url": "https://github.com/butterbase-ai/butterbase-oss"
      },
      "version": "1.0.0",
      "websiteUrl": "https://butterbase.ai"
    }
  },
  "source": "mcp_registry",
  "summary": "Butterbase MCP server — manage your backend: schemas, auth, functions, storage, RAG, deploys."
}

What the leaf hashes

{"body":"a754bba6ee702b5a8ac5251d875cc3282d54c08d6c0646a9dbfcdd5dff77d781","id":34421,"kind":"listing","method":"baseline/1","observed_us":1793025370758844,"prev":null,"subject":"mcp_registry:io.github.butterbase-ai/mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x7a6d5760992eeb4d5670917a3554ccdc407b10beea52b10269bcdc72a31e44c3
2. 0x933b649b1bafed40933b806d07555244171e42aa840086b561b3053d45171589
3. 0x6f6cf8443ff7553c7826a7747ec8c81d983ea36aca8b09e13705a54078a9529d
4. 0x41b4ca81980c4aca6142c7e6aae72d90fea2235868c9b0bc815442daf1bc8920
5. 0x29197ccddc2111c448728be019c8ab075f7f8fb3b9cdc14953b95d4726193017
6. 0xfd7a0fd5e36af5234a13e0e39dc3ad626fd0505bfcef631c61abe613ca00e9a2
7. 0xd3ed9c00b6a25b074c2358c16f978cc3f98c605d65188ee5559879c894bfb865
8. 0x91df5f8d9639969ec523b1eeac4a9922f9591d3d7a7fa5a7766a9affa38aee99
9. 0x86a07bb8ffbeab4d5adc5c3a59b797d56e7fd2802276ee6d05895dc4e8c35c04
10. 0x72004cfd0b5574eac5ee651ce41187d0c3a331b4bdf0bdb385f7d93decec1860
11. 0x1474b20023ac420a3be8200f14f9ac14f1ee93ff05411fa3760c28b2e50fb3dd
12. 0xa6406b1a5540d26e0cbd03bb274a01c10968fadb17913a6043bb9427ddfb71ba
13. 0x01c95624b1f2385ef774ee258a9ae58a4df07a1bdaa829de84e1d5201f3f39c2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae