Evidence row 3131487

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/rxnorm/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/rxnorm"
    ]
  ],
  "name": "Rxnorm",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-04T21:14:57.833188Z",
        "status": "active",
        "statusChangedAt": "2026-11-04T21:14:57.833188Z",
        "updatedAt": "2026-11-04T21:14:57.833188Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "RxNorm MCP — wraps the NLM RxNav REST API (free, no auth)",
      "name": "io.github.pipeworx-io/rxnorm",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-rxnorm",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/rxnorm/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-rxnorm"
      },
      "title": "Rxnorm",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/rxnorm"
    }
  },
  "source": "mcp_registry",
  "summary": "RxNorm MCP — wraps the NLM RxNav REST API (free, no auth)"
}

What the leaf hashes

{"body":"6121d0f0822c972b56f640169b3b4576a9ad2e2b6a220e96705a764e2ca44006","id":3131487,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793827262451013,"prev":1001316,"subject":"mcp_registry:io.github.pipeworx-io/rxnorm","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x21948c0e8b80a66bd00357d5025a3a162c8196572fbe7779d1578d2116efb4bb
2. 0x2e7d62f66e4a3e842f413eaedcda730584fe2bb29f50f733dee5b66f6b0493f3
3. 0xc045751096eed962e3110b8f0ab5001b8636f4bd2f82ea447f173668a6587a35
4. 0x19a44b3f1f2b320648a5c033747bff0e2a8f25f5a051689cc7a2c6c76cec1167
5. 0xc6f27ad493193ee626f1c378a4042d3d2cd369b6e4bf184811c1815947d0ecc6
6. 0xa74745e59ab3d2032a3512fef20ed89307dec6efb09d33c3b0600d0947c05ec0
7. 0x426dc9abaede1847f92047a89c282bc6537209fb7e0fe5ce0310333bc379d02b
8. 0x66959577eaebaa1f07ed223b31df2289ca9f3b7e352ab54271f3faffdd1ff59b
9. 0xcd41812b1a630c411fcae774003bd602d5f5b4df7a9396a3994f9a024c4e927f
10. 0xc8bc1f028f91d6c14e14e94a37afefd7baecc94b61a3afd17ba7c357bd2b814d
11. 0x334dd6c97c3be8db6cb6c3f995ac4ae88f21aefbf3620fc3e311343ebe63241c
12. 0x4c894c0dcc27050384aa146595a83f16ecbda59393a62ba01ffe9c420d911793
13. 0x12c229bab672223f7ecd08e40792eda3e4c45c819ea4d5ccc57467a24cdf3d81
14. 0xd5576f8b7b71ad8f963970f922fc9f5477ebb72a69425e5f0eceef6203a7981b
15. 0x4abf06392be817fed1d4142854589c0ecb4a0254010bceee86244cf6d2d411f3
16. 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345