Evidence row 50950

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-santarem/mcp"
    ]
  ],
  "name": "America/Santarem clock",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T09:37:28.13901Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T09:37:28.13901Z",
        "updatedAt": "2026-09-09T09:37:28.13901Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Current local time in America/Santarem.",
      "name": "io.github.sadri-dridi/tz-america-santarem",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-santarem/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "America/Santarem clock",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Current local time in America/Santarem."
}

What the leaf hashes

{"body":"10f6ed96e0d512b2f9e7172c32adb1137ccfa8db087db333371fa2faf3ee459e","id":50950,"kind":"listing","method":"baseline/1","observed_us":1793025416614270,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/tz-america-santarem","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. 0xb26de5b524e0ce28e071bb51c0eccc40bba854c953b4845a53755605c33f09e0
2. 0x5c32f334421ce50f8910828f72b51a7b67c107d556d7ae7e94fbe63b4a624d9f
3. 0x27958b1890131f1ba28388d87516f3778080c654858004af39e46702beb349d7
4. 0x6e5401c1798c3cf806a9633e971b16cfa300590f8ca345e81bef25e9d9085e79
5. 0x69a47729f8ac4ad8b4deb3d01a9cd63b78d1116d5a45fa18d9e14cda5b9efb52
6. 0x6105381f853647ea287c0653d85f513d1f591129e94833c90678d72272c8411c
7. 0x44e6f38d888e2aabb18c5602caa3d3d3ff2132c42f04d65809da2856e99f9e49
8. 0x3f6102649d70ad488a746454b69dee4d39d7e8483f42393e2835065bcc213ee4
9. 0xc75e8167a9254eec94bbebb40aeef2cc19d84bebc85950992a84682d73ac18cc
10. 0xc6dd71e7d85dea5e09f179642fe5f62de05a435eb806a0e7894d08bd1f37f002
11. 0x08b0ee375f7c28afd23e265e3e1bed91ba37304e42eafa665ef4a7f785b3e7bf
12. 0x3d6ec9d5ef8daa604601742088e213da0a439db6eff6ce50ec3ffb264a60ddd3
13. 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae