Evidence row 38519

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/hydradns/hydradns"
    ]
  ],
  "name": "HydraDNS",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-21T04:27:23.27312Z",
        "status": "active",
        "statusChangedAt": "2026-09-21T04:27:23.27312Z",
        "updatedAt": "2026-09-21T04:27:23.27312Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "tool": "manual",
          "version": "0.1.0"
        }
      },
      "description": "Manage a self-hosted DNS firewall: block domains, create policies, read query logs and metrics.",
      "name": "io.github.hydradns/hydra-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "default": "http://host.docker.internal:8080",
              "description": "Base URL of the HydraDNS controlplane API. Inside a container, 'localhost' means the container itself, not the host running the controlplane. On Docker Desktop (Mac/Windows) the default below resolves automatically. On plain Docker Engine (Linux) either run the container with --add-host=host.docker.internal:host-gateway, or use --network host with http://localhost:8080 instead. Full instructions: docs/mcp.md in the repo, 'Running it -> As the container image'.",
              "isRequired": true,
              "name": "HYDRA_API_URL"
            },
            {
              "description": "Bearer token for the HydraDNS API, obtained via `hydra login` or the setup wizard. Grants whatever access the token's account has; MCP_ROLE narrows what the MCP tool layer will call, not what the token itself can do against the API directly.",
              "isRequired": true,
              "isSecret": true,
              "name": "HYDRA_TOKEN"
            },
            {
              "default": "admin",
              "description": "Permission scope for this MCP session: admin (default, every tool), operator (every mutating tool except toggle_engine), or reporter (read-only tools only). Any unrecognized value safe-defaults to reporter.",
              "name": "MCP_ROLE"
            }
          ],
          "identifier": "ghcr.io/hydradns/hydra-cli:0.1.0",
          "packageArguments": [
            {
              "type": "positional",
              "value": "mcp",
              "valueHint": "mcp"
            }
          ],
          "registryType": "oci",
          "runtimeHint": "docker",
          "transport": {
            "type": "stdio"
          }
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "apps/cli",
        "url": "https://github.com/hydradns/hydradns"
      },
      "title": "HydraDNS",
      "version": "0.1.0",
      "websiteUrl": "https://github.com/hydradns/hydradns"
    }
  },
  "source": "mcp_registry",
  "summary": "Manage a self-hosted DNS firewall: block domains, create policies, read query logs and metrics."
}

What the leaf hashes

{"body":"7b03298043c85da033f411414bfb0dcbf3a57b837f762439f60d23a9ca9ce64d","id":38519,"kind":"listing","method":"baseline/1","observed_us":1793025392761161,"prev":null,"subject":"mcp_registry:io.github.hydradns/hydra-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. 0x96093abe9fff02863ef4c4f8ca4c09c01169b3f6134b82e6b4ce6b572ab9b2ef
2. 0x29283617a38f5bc6ba23e7ff13cf65f7024fe51a9d2b48d7a2d6be9c98c9e899
3. 0x9d484723cbf287e4fc332e63c9483e7c8f25030d4bbac6b98cca40ff3a6f48d6
4. 0xea8cd6d4384acdb0a1c22fff371b5902bb3b2d0678018e2863f0261c36486898
5. 0x8fcaa8d07267772aa52352d1cb65209d5bdc8fb35af63aa55bda3e3b16bbf948
6. 0x5be24b44e7a358b87ec3c9d9a4639db0de37d957461702ff34aad2817f2a2941
7. 0xb6e0649590c97cc4b5e307d52e7b108d201570e610aba32c0e37ae1f4073b8a2
8. 0xadef6b90537a324331aa9be785dce9a9ab0b8d570c1068440576bf626cd824a1
9. 0xc5c915ab3c4c0606a82674c003b2a991c2b4007379fe8bba91c240c84aac99c5
10. 0x3c0435b3d7eeeb3f37038b9e2ec10e64aa115ae1e408e3518ccf5e66098e8914
11. 0x410382a743218ee37cce3087a0bdbcb3f5a456fc78a975bb16e175d9ceedd913
12. 0x12169ac86722058ecf46a1b83c56e8b21899ab108a12c5a4429da74c5d191294
13. 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae