Evidence row 56053

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://pingrobot.io/mcp"
    ],
    [
      "web",
      "https://pingrobot.io/docs/mcp"
    ]
  ],
  "name": "PingRobot",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-21T10:26:48.862433Z",
        "status": "active",
        "statusChangedAt": "2026-10-21T10:26:48.862433Z",
        "updatedAt": "2026-10-21T10:26:48.862433Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Uptime monitoring: see what's down and why, add monitors, schedule maintenance, post status updates.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "180x180"
          ],
          "src": "https://pingrobot.io/apple-touch-icon.png"
        }
      ],
      "name": "io.pingrobot/pingrobot",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer followed by a PingRobot API key (Settings → API keys). Use a read-only key for chat assistants.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "placeholder": "Bearer pr_live_…"
            }
          ],
          "type": "streamable-http",
          "url": "https://pingrobot.io/mcp"
        }
      ],
      "title": "PingRobot",
      "version": "1.0.0",
      "websiteUrl": "https://pingrobot.io/docs/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Uptime monitoring: see what's down and why, add monitors, schedule maintenance, post status updates."
}

What the leaf hashes

{"body":"2b349754391f86e36c219581b6790d562db702d99050ef70489e80218db3f6d8","id":56053,"kind":"listing","method":"baseline/1","observed_us":1793025436448394,"prev":null,"subject":"mcp_registry:io.pingrobot/pingrobot","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. 0x4a6797dbffd5b89da47a6365f90fdca6ffe825e8eab8b31b3af3c152a120179d
2. 0xf2469be61f70cf22120eaf38c0cad67d1b17558359d163343fd78410c149722e
3. 0x9017b75227b0fdff46123dcf2c8564e440c13fa223ff74b29c77bdf350cf3168
4. 0xc56c6786f0c337ae8a26e7ecfe1c65366d3ad7a40daf0feffacfc64c8c2d3a7f
5. 0x17b98cf9efdb892a785d7c15ad2768f12eaf9f3af75c5b1af84e91c89c891f53
6. 0x191d963ca12bb5ff6905baef46607ee8627761f3e892070fc64b9060486c4825
7. 0xcb73adfd6026762f77fa47a40632a46b27a438f99a5b109388b7c9e63905ebbc
8. 0x8f107c05420bf957c3330b179a6c02be144fc3ac4afc288881aaf6e6fd24beb1
9. 0x0d2fc889a37099ecba3d55c47d958794c2802a527a9b4db86fe2c6d1b859b439
10. 0xff35957d30a52fe0e2689931f3ecb8ebbaf5d3e10aea8fff101120a9530edc59
11. 0x36446ee01203fb6b2027599f737b7bdd64e3db182e50230f9c82fff4f67be776
12. 0xee7d5711cd2515f4b08f3e4041d3d56304f9db6bffd82d82746f0f4ea43b8f26
13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae