Evidence row 35528

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://national-parks.caseyjhand.com/mcp"
    ]
  ],
  "name": "io.github.cyanheads/national-parks-mcp-server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-25T09:46:31.453449Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T09:46:31.453449Z",
        "updatedAt": "2026-10-25T09:46:31.453449Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Plan US National Park Service trips — parks, alerts, campgrounds, things to do, events.",
      "name": "io.github.cyanheads/national-parks-mcp-server",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "NPS Data API key, sent as the X-Api-Key header. Required — the server fails to start without it. Free instant signup at https://www.nps.gov/subjects/developer/get-started.htm.",
              "format": "string",
              "isRequired": true,
              "name": "NPS_API_KEY"
            },
            {
              "default": "https://developer.nps.gov/api/v1",
              "description": "NPS Data API base URL override (testing / proxy). Defaults to https://developer.nps.gov/api/v1.",
              "format": "string",
              "name": "NPS_BASE_URL"
            },
            {
              "default": "info",
              "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').",
              "format": "string",
              "name": "MCP_LOG_LEVEL"
            }
          ],
          "identifier": "@cyanheads/national-parks-mcp-server",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.2"
        },
        {
          "environmentVariables": [
            {
              "description": "Selects the HTTP transport.",
              "format": "string",
              "name": "MCP_TRANSPORT_TYPE",
              "value": "http"
            },
            {
              "description": "NPS Data API key, sent as the X-Api-Key header. Required — the server fails to start without it. Free instant signup at https://www.nps.gov/subjects/developer/get-started.htm.",
              "format": "string",
              "isRequired": true,
              "name": "NPS_API_KEY"
            },
            {
              "default": "https://developer.nps.gov/api/v1",
              "description": "NPS Data API base URL override (testing / proxy). Defaults to https://developer.nps.gov/api/v1.",
              "format": "string",
              "name": "NPS_BASE_URL"
            },
            {
              "default": "127.0.0.1",
              "description": "The hostname for the HTTP server.",
              "format": "string",
              "name": "MCP_HTTP_HOST"
            },
            {
              "default": "3010",
              "description": "The port to run the HTTP server on.",
              "format": "string",
              "name": "MCP_HTTP_PORT"
            },
            {
              "default": "/mcp",
              "description": "The endpoint path for the MCP server.",
              "format": "string",
              "name": "MCP_HTTP_ENDPOINT_PATH"
            },
            {
              "default": "none",
              "description": "Authentication mode to use: 'none', 'jwt', or 'oauth'.",
              "format": "string",
              "name": "MCP_AUTH_MODE"
            },
            {
              "default": "info",
              "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').",
              "format": "string",
              "name": "MCP_LOG_LEVEL"
            }
          ],
          "identifier": "@cyanheads/national-parks-mcp-server",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "streamable-http",
            "url": "http://localhost:3010/mcp"
          },
          "version": "0.2.2"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://national-parks.caseyjhand.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/cyanheads/national-parks-mcp-server"
      },
      "version": "0.2.2"
    }
  },
  "source": "mcp_registry",
  "summary": "Plan US National Park Service trips — parks, alerts, campgrounds, things to do, events."
}

What the leaf hashes

{"body":"3c5065f8b35fdcf059ed4aa362ca09f5baf5ad9180ebe2b7ac5b259f7f4f9eff","id":35528,"kind":"listing","method":"baseline/1","observed_us":1793025373207735,"prev":null,"subject":"mcp_registry:io.github.cyanheads/national-parks-mcp-server","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. 0x98448322cd210c53065e53d7d07091577757d053913099ef9a6eef3fb7ca57fd
2. 0x5b7c79fae56f19388d63138f7fb7edf8c6e5eea6a0aa7dff6ff32395652b677d
3. 0x642d375d9fc176dc6927bdb43678c062a280ab922c063a3b6a2791549150c039
4. 0x0e6f9a04d2dd2edb2575c27a77ae466aea0b718b0e749fcaa42cc9c695caa986
5. 0x51483a4411860ea6e92c9bbc599735d21f205a9fecbac3bd5b06680792a33b06
6. 0x42e95724ea216db8dd806e04ccf4f0f9e924484ce2d95630e5a30d1048c06d6d
7. 0x100d5216a00b76a6031dd14533b21828a9009c8d25d9c73d6d78c8c6d221bf72
8. 0x3756c5e8966ecf0cfda8db62de40217c768d1e74b63c0e92f322fdc851818ccf
9. 0xed85265c32db23134a8dd906de16c3913576f79ef1876c4390c434e31018001d
10. 0x62dba386f50cb8efacb93dad4cf930ac3e24a2aa9dd76d9a72cb57081301531b
11. 0xdc8fbefd31fb9903d70279fafdb3f8c1ade2281bea30bd73cec515e9ff4113ed
12. 0x6ae9e6ee1b544d831982666bd3570457659e78fc0064894d7ec23f971a37ff2f
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae