Evidence row 52686

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://stampthisfile.com/mcp"
    ],
    [
      "web",
      "https://stampthisfile.com/"
    ]
  ],
  "name": "stampthisfile",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-20T21:50:13.588414Z",
        "status": "active",
        "statusChangedAt": "2026-10-20T21:50:13.588414Z",
        "updatedAt": "2026-10-20T21:50:13.588414Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Timestamp files in Bitcoin (OpenTimestamps): send a hash, pay per hash with x402, get a proof.",
      "name": "io.github.stampthisfile/mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://stampthisfile.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/stampthisfile/mcp"
      },
      "title": "stampthisfile",
      "version": "0.1.0",
      "websiteUrl": "https://stampthisfile.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Timestamp files in Bitcoin (OpenTimestamps): send a hash, pay per hash with x402, get a proof."
}

What the leaf hashes

{"body":"66b5f5b15f123070e8def64b1ac2c8ee7aaaf800c6d5e01e9e0def10462dc2a4","id":52686,"kind":"listing","method":"baseline/1","observed_us":1793025420328931,"prev":null,"subject":"mcp_registry:io.github.stampthisfile/mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xa28ffeb69b39b564c4fa79d9593c40ec7abc5e0ac2ed951e33c077267670246f
2. 0x198232ceb8aa57a5dae03613ae6980c02dd93f67b4fb486459cfc20dc021ea12
3. 0x0d4f70720fd25fd4d3694de0ab50cc5edac43b9391a4d0125335a2e7662cc138
4. 0xb67f68fe1872ac28aa6d7e9940fb6162153d8c42b8a487ad8d6dce7d9f0bca96
5. 0x57415b65c5f8d2990e4dfce2101cdcbdddaf13463e47e8ce4aaeee6789fd3b4c
6. 0x9aa78192f9d1952fa15d50abf1e0fd77d26018a8f55ce245dc1f26352a350df2
7. 0x30a0dcfe4f70d5a62b649a85a88cb1949f57c8b64fde26a19d06f7f15dfffd00
8. 0x265fff7f63e288d2a98547b517ee14082e2b2a991f7213d9355a58a080d1f310
9. 0xd021a868420572ae3508b2bf2dc91b02dabed8374c3c32bd7305beb9b2cc7894
10. 0xb3a29351e1b8013225f7601a802293835d75b405261ddeb88b2d8f50a6ded3ac
11. 0xd2bc27d81a73a53b7c724da36f189ebdd2fef396490722c3ee66192b798d20d0
12. 0x19537c574979327583a539261287714af2eee831125de819abab0f155acd3a75
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae