Evidence row 51054

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-helsinki/mcp"
    ]
  ],
  "name": "Europe/Helsinki clock",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T09:27:32.701559Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T09:27:32.701559Z",
        "updatedAt": "2026-09-09T09:27:32.701559Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Current local time in Europe/Helsinki.",
      "name": "io.github.sadri-dridi/tz-europe-helsinki",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-helsinki/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "Europe/Helsinki clock",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Current local time in Europe/Helsinki."
}

What the leaf hashes

{"body":"620bc33225b00cfdf46b56176c3016b5b8deacd23b39daf7169bc5fc2cf4a4e5","id":51054,"kind":"listing","method":"baseline/1","observed_us":1793025416742451,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/tz-europe-helsinki","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. 0xa35c99c8b8c620d388b7d7d2360677c820af4aca4e51cb914a87c16ba629e45b
2. 0xc2a5c3da34b570b875bce2b48a38da4bbcb6d993662bb4ee64a14f5cb40caf66
3. 0xdff28df8d353ef18876945d2bd21a7918c552d3c89761ffa204fa0fba66cd74d
4. 0x0847ef0bc43b4fe50bb39209eb7ab8a7c7467ab89f8cbb46b98fd15a1f08509f
5. 0xc68c374da895be77d11e702f020bea4d4d5e648b5b01c2d3a84472e6fdae57bf
6. 0x614f797d2885ec1bd5f78761764239527aedda88e8f6c45eb89669364dd39e2e
7. 0x4fec30fd7341bbae9e1fb3914be1fc5b4c35db60c2ddee91d439543e66b5cdfb
8. 0x87d5545da92ebbaddf1466ac58c8a0f4f583cd830df19243c7cf6fe4a41c936d
9. 0x7fbb97fc75b5046e2d155caf9d940b742af355ae952b98e9021a7fb3d4e3d539
10. 0xbf9e8e8193260b284eff6ae5de9bd74a29a95af639484d57bcbf0408a7dd8030
11. 0xf02ec0f13d875e636ca9d24097cc2a185cdb09429c8c4ade598b8089f42bb140
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