Evidence row 524621

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://ag.morningbrief.link/mcp"
    ],
    [
      "web",
      "https://morningbrief.link/"
    ]
  ],
  "name": "Magpie — USDA Ag Markets: Grain, Fertilizer, WASDE & Export Sales",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T17:58:32.549555Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T17:58:32.549555Z",
        "updatedAt": "2026-10-27T17:58:32.549555Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "USDA farm data for AI agents: grain, fertilizer, WASDE, export sales. 27 tools, free, no key.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "180x180"
          ],
          "src": "https://morningbrief.link/assets/img/apple-touch-icon.png"
        }
      ],
      "name": "link.morningbrief/magpie",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ag.morningbrief.link/mcp"
        }
      ],
      "title": "Magpie — USDA Ag Markets: Grain, Fertilizer, WASDE & Export Sales",
      "version": "1.2.1",
      "websiteUrl": "https://morningbrief.link"
    }
  },
  "source": "mcp_registry",
  "summary": "USDA farm data for AI agents: grain, fertilizer, WASDE, export sales. 27 tools, free, no key."
}

What the leaf hashes

{"body":"d4f44f8f16241e000d3c3b7e511c17413314390e525cd74c793d767aa2ecd0ae","id":524621,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793124739589958,"prev":57268,"subject":"mcp_registry:link.morningbrief/magpie","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. 0x81592f4d1434268bca353eee99d00d86e56d1c6518fd70828bd3973ce78c90ee
2. 0x4908e72e7c3b6198dd9f9dbcd9c474bc90ef4b97eeab54075fe26500823f1070
3. 0x571b663253bbe88597c2904fd2e00f761ab7fc644192f2b949fe601f80df09a6
4. 0x63ce6f406479d5928217c1a1a7791cebf3d7d9666dddc8a17b4c24d9f85626eb
5. 0x3bb949e6bb5bef1144e44d4ad64df3e196e79ca05d80efed5ef41686e195790c
6. 0x3b73164df9b3c8ce047f1753e5327957176458b038ff7f84c2b552da93d6feb7
7. 0xf706ddaaeadb0f9e9c86c149e5f2aa17e45bb154e87fc6d3bfbcd7117d40ea3d
8. 0x660022ded48c774ee6344c26adc702ab7ee8a9f3df3aed6147d864ce0af45b5c
9. 0x6cf0c38685dbcca29b6ba1843d22cc411c3ac805128f6a2e488f43116e06ca08
10. 0xa3364d1dbb9627c862b4a5643e9fd3c8501cf86c4914dcef185c41ef6a0e9677
11. 0x47cbc9f146ebe6651e5dfc76556fc06e79ac452f66ec760cd8786c742b45e4a7
12. 0x4cf7b6120bfa84e107b8f1b7be613b553fa250042dc0db95890566416a94d682
13. 0xe38e66e8bf48306ee42504c4df50c2052cc9230af02e2ae6ff66da20232bf797
14. 0xfa0c8e8f1a1710ff197533b0a28208f2e168afe71abb7bb3416e09d1ac371d60
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4