Evidence row 1754453

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://cdc.caseyjhand.com/mcp"
    ]
  ],
  "name": "io.github.cyanheads/cdc-health-mcp-server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T08:48:14.450049Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T08:48:14.450049Z",
        "updatedAt": "2026-11-01T08:48:14.450049Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk.",
      "name": "io.github.cyanheads/cdc-health-mcp-server",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Socrata app token for higher rate limits.",
              "format": "string",
              "name": "CDC_APP_TOKEN"
            },
            {
              "default": "info",
              "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').",
              "format": "string",
              "name": "MCP_LOG_LEVEL"
            }
          ],
          "identifier": "@cyanheads/cdc-health-mcp-server",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.11.0"
        },
        {
          "environmentVariables": [
            {
              "description": "Selects the HTTP transport.",
              "format": "string",
              "name": "MCP_TRANSPORT_TYPE",
              "value": "http"
            },
            {
              "description": "Socrata app token for higher rate limits.",
              "format": "string",
              "name": "CDC_APP_TOKEN"
            },
            {
              "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/cdc-health-mcp-server",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "streamable-http",
            "url": "http://localhost:3010/mcp"
          },
          "version": "0.11.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://cdc.caseyjhand.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/cyanheads/cdc-health-mcp-server"
      },
      "version": "0.11.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk."
}

What the leaf hashes

{"body":"d140b76631ae8388eb73b2e494c11cd4cce7ebf453d145d0c8624a5cc8ab9f88","id":1754453,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793524636519508,"prev":35456,"subject":"mcp_registry:io.github.cyanheads/cdc-health-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 2026-11-01 (302406 rows).

1. 0x2ab065de6d1740a6b8f90d7e479748488699b295f212d5d9e08096e54fb738d3
2. 0xdb4f915b3f640d58572101d84da830caab393915cbec1029c10f7bbac96c0c31
3. 0x5be7d706dd1ff7a6a952dc4b3751e38a01414c21d3b6bcad38920b7219dfeb4b
4. 0x6f6f380f3d7a932e132d9ebc537acbe88c40bccea78a7c0e52f430165476ea19
5. 0x4d7ccd6adb4be4a21daed43e5ea0697c66facd5ad390e0468aeaa5fb8f4d7402
6. 0x007ec988e3ab2d646e6ea6350ceafeeceb64b9ddfddf53045a187fede988a194
7. 0x0825d65bd60d676c43ffd4d9111a3020273e3549ea2d099aa3abdc0e7bd4babf
8. 0xcd6c300ea8e71bc1307225b4781dcb10815d0a9b7722bea950033ac211e3ebb3
9. 0xd49318e1b6a9fea08080873cd85fc52070e7f009ca77d059291a41343bcd28d4
10. 0x05aaf25ba18f213abba530b1c993bcf4149ca21f4ee71c75a76f94a2ab84c507
11. 0x49c3efdd52b6a1482b019e15a2a86d801b5c994cf1f2b820eef0f1352c0942ba
12. 0x5afbfdcc2671809296fb4d0c5c0394fc4524c2baa833b51dac27e5e817c30aab
13. 0x119e26a40ea5ea49199024d5e4dc5ea7e4b7110b91f88cec9a3d894fa9681bde
14. 0x894f627e9eac1731ca26b2b4b6529eb16ab1b15294210edac68c8378063e2d8d
15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90