Evidence row 50915

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-costa-rica/mcp"
    ]
  ],
  "name": "America/Costa_Rica clock",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T10:03:25.087485Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T10:03:25.087485Z",
        "updatedAt": "2026-09-09T10:03:25.087485Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Current local time in America/Costa_Rica.",
      "name": "io.github.sadri-dridi/tz-america-costa-rica",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-costa-rica/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "America/Costa_Rica clock",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Current local time in America/Costa_Rica."
}

What the leaf hashes

{"body":"6dbf76f28a661fb7fe7fb57ce2f5d6054bfab60f20e3bea91bcb245f6a5f8c5f","id":50915,"kind":"listing","method":"baseline/1","observed_us":1793025416576958,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/tz-america-costa-rica","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. 0x33d01781a41e2d59fe0257ba74339fe5ce7101bebf66f1a42f2a1142622280ab
2. 0xc081c3dff30050f527d3199fe6becf9680f05dee0c74e5fbedacaed78efaabce
3. 0xc740ade0a4df332fff51151fd9438692a5d048d4f79ef2a0f764b32476535849
4. 0x29b4f26876a5e159a2d5a7e14ceeae6bee43391d918b51054d6738f186f19a0b
5. 0xffab26f1a86a3a3c3982500d48d1caf876981ec7edfbef3a6157f73765898485
6. 0xe725897b3f5f4e39b1e477d7b3b2c2db3ffd9d6371196c77b3737bb38a2f44bf
7. 0xf56386345b8a772b46652d851ad4514d0a11c6ae2eeb83ab8bdbe4036116f9f4
8. 0x7deb41dfce0d27827758358783e793ea22e15a1cc7b6c30730a7aebedf17f929
9. 0xdc523b9e61ffd244a497361cd5402a75eaf83c7e318d79293ad63bd6bc9f06a6
10. 0xcc3de2228ca9f90722824aeb1f6740dce363ec54f1223a4bfc96d012376efbc0
11. 0x25f1494b636c5e3c47bd014c16b8f4b5df5a8fb62efdc32979420416a8736679
12. 0xe57be1a98d96d75db9e9d2122794eabebfd735dea66e9d16ca63347243b3d483
13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae