Evidence row 20832

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.tallyfern.com/mcp"
    ],
    [
      "web",
      "https://tallyfern.com/"
    ]
  ],
  "name": "Tallyfern Rates (Canada)",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-23T11:34:23.888275Z",
        "status": "active",
        "statusChangedAt": "2026-10-23T11:34:23.888275Z",
        "updatedAt": "2026-10-23T11:34:23.888275Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read-only Canadian GST/HST rates, small-supplier check and CRA allowance rates, with CRA sources.",
      "name": "com.tallyfern/rates",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.tallyfern.com/mcp"
        }
      ],
      "title": "Tallyfern Rates (Canada)",
      "version": "0.3.2",
      "websiteUrl": "https://tallyfern.com/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read-only Canadian GST/HST rates, small-supplier check and CRA allowance rates, with CRA sources."
}

What the leaf hashes

{"body":"3012c99d938bf1f50fb50c78147f6959eed805a1d3c18b049228349d7121f351","id":20832,"kind":"listing","method":"baseline/1","observed_us":1793025337237657,"prev":null,"subject":"mcp_registry:com.tallyfern/rates","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. 0x8119b8995a47a8742bb39eb0fae9d8e3863a447abf04837c25f745cae95c00c3
2. 0xd1b07d87bea7ac71974178f5e108f996fad762b17c9fccd4e1d30bcf8de52b34
3. 0x2bd4a6c0baa6221fcd38ed65a657475493eab69e2edb6a632e48207faa079f75
4. 0x58fa0a26db14d7e341762530c9211dbed95b43c77d2c08df08ec02a476271d8b
5. 0x148c0ecd754ea3deab40c59e2dd4ad24fe09f8ba67385468f23c2f296d193176
6. 0xed3972de31e4569608a12695c7f3b97edc557bab75ef4f1464f472d15c46b388
7. 0x84baafa15d8fe8a4beceab44e24a92ae0bca89a39db67c10f48051ac1088ece3
8. 0x1c7d5d667dbaf02817a5f42fc6c683a407834c8853e35fe9947ff62a365b5741
9. 0x947bf51fe747d6f31e2541b7a83a5299be25717c13b588d8ef64a531b5470529
10. 0xa6bf3e233d964bf47c35e307fb1e82a9db46b720ed0d1a887fab65896dbfda9a
11. 0xb998e012b473bde18346485cd0b7b8b31ab48d5f22ba9bc660bb2e523161e255
12. 0x08155d70132f82e370214fc5b72194dfa6f5e57670b7bcf74776e8418302897e
13. 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae