Evidence row 1053871

What was observed

{
  "endpoints": [
    [
      "web",
      "https://us-nonprofit-check-mcp.donniertf.workers.dev/"
    ],
    [
      "mcp",
      "https://us-nonprofit-check-mcp.donniertf.workers.dev/mcp"
    ]
  ],
  "name": "US Nonprofit & Charity Check MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T21:14:18.145088Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T21:14:18.145088Z",
        "updatedAt": "2026-10-29T21:14:18.145088Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Check any US charity or nonprofit by name or EIN. Free nonprofit_check tool.",
      "name": "io.github.donniertf-hub/us-nonprofit-check-mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://us-nonprofit-check-mcp.donniertf.workers.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/donniertf-hub/uk-mcp-fleet"
      },
      "title": "US Nonprofit & Charity Check MCP",
      "version": "1.0.0",
      "websiteUrl": "https://us-nonprofit-check-mcp.donniertf.workers.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Check any US charity or nonprofit by name or EIN. Free nonprofit_check tool."
}

What the leaf hashes

{"body":"15de6fec6bb0348e2897643ee646ce31db28408a2dd97a4ba1bfb95908c50c73","id":1053871,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793312086220807,"prev":null,"subject":"mcp_registry:io.github.donniertf-hub/us-nonprofit-check-mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x43ae6c943577b3b8510f36b573604077fb5dab36d09976f0f995c306e51ce694
2. 0x6485dcbccb2d6248f2052d552cdb5fd4fdd1e872bb490778b8739e35ecc1549d
3. 0x41a8e6c743da96ad4e33bf498578385d76e1e4370f3450a95cec773abd92882e
4. 0xb16dccdfc84ae72926264d70e6f9a644984f4d5ecae87dcaf70566179be4eba8
5. 0x8cccd3ff385619879269898e29ef18632b36f697820fd6e3e958809d842db37d
6. 0x7e90c23741d70d05d995ff3259a6c135bd8567880a217457e5a05ba30faf984b
7. 0xf055e7eff9fa645b154c416a126b5e37789efadfd9fd27031220994ade4f5d6d
8. 0x1cef1b162e4eafebb2a5c5ae30080a40b89312d4db4bd1c2afdba4ecfe514c5c
9. 0x6d04f8cf078e0615596887b33204c4f819b08a0b11e9782d5791bee99d825470
10. 0x94bb967ab7756b8d50725374bb535e52ab9b8541b30aba80210c83dfca698325
11. 0xd4aca9642ab82835a5c95b33ece73f501e2e3c8763a3f8718cf2cfc91c0b4f97
12. 0xb02e983c27785c0571f73ef2bbc0c1322cdf6fac687898e8f1d1425c52e6de35
13. 0xf16c67f95ffdfd6dd2607c7f45e2998cc3d8484d81e01ebd37215bcbf3f66112
14. 0xfd10c7ee22418679d618a048206ccbf1219e97c4af44a5180884b0b3d02c18e8
15. 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1