Evidence row 1814960

What was observed

{
  "endpoints": [
    [
      "web",
      "https://morningbrief.link/water/"
    ],
    [
      "mcp",
      "https://water.morningbrief.link/mcp"
    ]
  ],
  "name": "Drinking Water — EPA SDWIS: Water Systems & Health-Based Violations",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T18:31:04.210324Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T18:31:04.210324Z",
        "updatedAt": "2026-11-01T18:31:04.210324Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "EPA drinking water data: 434,757 public water systems, current health-based violations. No key.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "180x180"
          ],
          "src": "https://morningbrief.link/assets/img/apple-touch-icon.png"
        }
      ],
      "name": "link.morningbrief/drinking-water",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://water.morningbrief.link/mcp"
        }
      ],
      "title": "Drinking Water — EPA SDWIS: Water Systems & Health-Based Violations",
      "version": "1.0.0",
      "websiteUrl": "https://morningbrief.link/water/"
    }
  },
  "source": "mcp_registry",
  "summary": "EPA drinking water data: 434,757 public water systems, current health-based violations. No key."
}

What the leaf hashes

{"body":"86d980e7786ce531328caadfb32ae8a2f95ce8043197125e91b2c473716a5471","id":1814960,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793560664223597,"prev":null,"subject":"mcp_registry:link.morningbrief/drinking-water","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. 0x4bccd692460738d4e0fa5a8c41aeb12e3d13d63bfb4af84bbbf31f5d3ac2192a
2. 0x99fe40c90a94e11e7caaadf8c741508f5e1474d87abf916875c4b99033053dcb
3. 0xaf628dd08c3716d374ca136edc6d41651b8c884fe226a51c4f8402850f71455e
4. 0x65d3dfab3e0d7c8e1db7a1d6f60077808bdaae8dcbf2965688d36d3f9a690e36
5. 0x54fe9b915b7bc985b799139e659368bac76a0b5206caf2295eb4ea1186693ce5
6. 0x03568577b691cee444ddd9f4704fe7f7e1007ebe158e13369b76a112786eaa60
7. 0xc8d5f998d39ed126beeb082f20cfdcf70b3d99b5e6d12b0d35da2ad2d69e2a06
8. 0x8c8cb7b73abce24aefd566c53bc7bbe8309d8a7cafa48c2d3e5bf0994dd8fe3e
9. 0xb7298346e441c89bfed8d4d89620fd39737692243e7845f54bc10cd020cf1870
10. 0xbc57ba670ef9b9bc34a4a538fa7d1bdd2638950dcb00ba1e9184f2901b755bd6
11. 0x66a9bc181d9e56c53d489ee2cb7942cdb5ded4b6814ed9127333e4a5d02acfe7
12. 0x216487fdb5812387ef5bd703d60ea8f043773d5db562b3ff2e11dba79509bf1b
13. 0x8aa214258cf763ac22ad2503df59c82b987a34bdb8f8ffe282ed4454b90f50bb
14. 0x6c979ceed347ae2f49a398afce74e46416fbc8bf2d649ac7be77ccbc81b2ba03
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90