Evidence row 50628

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/sec-leap/mcp"
    ]
  ],
  "name": "Whether UTC second can be 60",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-17T23:17:28.111475Z",
        "status": "active",
        "statusChangedAt": "2026-09-17T23:17:28.111475Z",
        "updatedAt": "2026-09-17T23:17:28.111475Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Whether UTC second can be 60",
      "name": "io.github.sadri-dridi/sec-leap",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/sec-leap/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "Whether UTC second can be 60",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Whether UTC second can be 60"
}

What the leaf hashes

{"body":"53cf64d758cb218ddfdb301c9ae38230f5b1dad9b328e6b89fff9d93b2fec37f","id":50628,"kind":"listing","method":"baseline/1","observed_us":1793025416237392,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/sec-leap","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. 0x638cabf3817c98e4a755107314f3614c8d5ae91c31aeaf71da5fa3c21072d48e
2. 0x6f0befa9b5c18e4a9826a2a56d06c4dc7bbb270abb9ea672aadb893a9d2f1e38
3. 0xc21ac4391adcfa8911d5f41b74a8a14cb62f12384061e250cbaeb33d1403ccb4
4. 0x4334b396fc9332eef6b85a43d2086b551a550ae08695ffd49215798ea5bd9efb
5. 0x7d2e8743e0a61cb8a5458ae433bd64f6be7e945df3023438de9b059a5b61b2f0
6. 0x0df05ead1e346c446bc914c06d13201700cd89a312a2ff36cf5427ac455fe112
7. 0x1032a5718ab55c45cf3430cac22ed9897c27f8e06f0a1f9d2bf328ef03d00e82
8. 0x389952fec4b9120926541758492a6ad94e7fc0e6d07c7a7579a94fceab3e6743
9. 0x7ce8009e0ade8389109c2f54f5756e1f15a0afa25b5da6008befeb3c90a51b5c
10. 0x805c08486b6cd1b041c9a402e5b3eb6f97649952efcabb97e1817185a4ce7572
11. 0xde5ff34fc9e6ff297fede5d3c4b4de6828c65b98246109399106064f912afa82
12. 0x3c8355143bb13802401d5a80f8a70809a59f429bc298f4912731fc8d207e4f43
13. 0x13f4b94ecf613d585c952b5363dad2b247a55371eb8e358bb89dc033e83128b1
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae