Evidence row 50920

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-fortaleza/mcp"
    ]
  ],
  "name": "America/Fortaleza clock",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T09:54:02.514857Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T09:54:02.514857Z",
        "updatedAt": "2026-09-09T09:54:02.514857Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Current local time in America/Fortaleza.",
      "name": "io.github.sadri-dridi/tz-america-fortaleza",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-fortaleza/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "America/Fortaleza clock",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Current local time in America/Fortaleza."
}

What the leaf hashes

{"body":"2d640cace3d23ace7b82e69f7935e1ceba3b33d1c0f4431e97253037d716efc7","id":50920,"kind":"listing","method":"baseline/1","observed_us":1793025416582746,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/tz-america-fortaleza","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. 0x58dd200a4032526f5a708ea98fe069cafcbf9f698f3426b1fc70463d98f5659e
2. 0x6ab65009636eb8b180edfefbbbb5db7d4751fb524e8b35bd951f4018f9487330
3. 0x6444e58e9716d5ebdf96323a3bb1c1c6f234e69b13cc04491a47dc1921c5f4e7
4. 0xbc5b019654266bd1719c6d9ed114f3710e522b69b28cd09a74d2e717b3902d16
5. 0xb0a4d5611e5dfdf26b1f6ce951d7604da0ce7dacc78283bc2a06047aaa013446
6. 0x0fecab887049719d6540fbad5a84c8c3a2b685567691696bfead4048c8f2c07f
7. 0x427b5830a7b5c40e8aa77220627ec06c47861a05cc128dfad5c49a7b47b71d9d
8. 0xf57df5a1b24bf568f1e330d25b92c91ba216a90c7bcfbdc397f3813ecf4c2736
9. 0x1273e25b2ad255e95ccb3cf0023370296f648f0e3797a6d998d9286069032c53
10. 0x3c391d4052bf1c21440a7636450f4fb4083ee346a84eb347e8cb8ad8d7604771
11. 0x049f39c56b6b9cf95e0d9ebf2081f54ac35b4d69ec211e8498958f47d088b46c
12. 0xf522fa92d4115c2b18b96aa43119f8df9b4e96c92f5d6449d0fe96dcd4bf324c
13. 0xc8abb13c711b67d9f1ef145286ed450a0f5566f054a4b290ea3d711873bcbe20
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae