Evidence row 315312

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/hts/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/hts"
    ]
  ],
  "name": "Hts",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T23:16:27.229742Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T23:16:27.229742Z",
        "updatedAt": "2026-10-26T23:16:27.229742Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "HTS MCP — US import tariff rates via the USITC Harmonized Tariff Schedule.",
      "name": "io.github.pipeworx-io/hts",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/hts/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-hts"
      },
      "title": "Hts",
      "version": "0.1.3",
      "websiteUrl": "https://pipeworx.io/packs/hts"
    }
  },
  "source": "mcp_registry",
  "summary": "HTS MCP — US import tariff rates via the USITC Harmonized Tariff Schedule."
}

What the leaf hashes

{"body":"4b4224f8c89ab304be88cb5d018371197f8959777e99e655e1e029c88c866d57","id":315312,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793059364210177,"prev":46739,"subject":"mcp_registry:io.github.pipeworx-io/hts","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xb2d403c669af01579306ac59fbeaeb60ca84e47ddb7250eebab9cea128311088
2. 0xc31b6d061c90af1e04afb3d4db1f7755066ebae5354daa4d803c9257d72143cd
3. 0x87bd88e63cde987376df10f7a763f2f337ebb12ab0d28edc17b1d00f7635bd50
4. 0x998d3f972eff14b7266c1f1b2b553acf7d7db090a374482eab4b8d6ae675cb85
5. 0xfde291a09fc0c4f20a74d08bb58569d7a2f95e34701ef65d4c33e8a49ac4871a
6. 0x8a95c1460523e1c441d558a98c7ec566b509e245e1a52202a21ceb6166ae3ef8
7. 0xc1fbd875ae33a79bcdbec58caed8bcbdb95271499414a0d4bdf4461f70994172
8. 0xa3a831f5fe89410f574ab21ae00c80fe70099fb0a215ae537da8efc16a54d80a
9. 0x9faaedd7a6dc7ad1e051efb1d234ba70da6afcb5f9b6c355a31c1ce963d7a1a1
10. 0x43f5f5b91342d8fbe2a4fb09860af33f916d93ee8399148b8d5c0c0a41fbcbc5
11. 0x79cc7c9e2b6a0102e533effc5e9ae587186511d05cd4a98fa3783728f21ee868
12. 0x2d136d228d8bf54a46835cf3532884988271b7ca1e85edf2327300bd225d178e
13. 0xf1104ea7df082465ff9df25ed29be80a0ac7c1c6b25c289b5d2e6ae5e6331952
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4