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Evidence row 50073

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:io.github.sadri-dridi/json-check
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
0b38de557c9cbc990aeaedac775888afd046f8446a74b1040938d289f8e22e2a
Leaf
0x2302c267b66b8b26bbd8c4999389089291fd6082769cc27aaccaf2f4c5382524

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-check/mcp"
    ]
  ],
  "name": "JSON Check",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-06T09:54:38.456377Z",
        "status": "active",
        "statusChangedAt": "2026-09-06T09:54:38.456377Z",
        "updatedAt": "2026-09-06T09:54:38.456377Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Check whether text is valid JSON. The body is discarded.",
      "name": "io.github.sadri-dridi/json-check",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-check/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/json-check-mcp"
      },
      "title": "JSON Check",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Check whether text is valid JSON. The body is discarded."
}

What the leaf hashes

{"body":"0b38de557c9cbc990aeaedac775888afd046f8446a74b1040938d289f8e22e2a","id":50073,"kind":"listing","method":"baseline/1","observed_us":1793025414637879,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/json-check","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x2302f59d7ae82cf88c76e59e8e3e36d835274f192dac78027920ea12052fc96b
  2. 0x28ded83ff2442db6c5a057bb7fe340ad8301cbe32599c6e63edddc5934315231
  3. 0xd267943481648953de47dc8f9dde6eaec0cad03cdef2d712d9f0cb07bda4f293
  4. 0xb0e9040af86753189ca4f9ae690ca391d54bd9935abf0c3316fb5af3f11088dc
  5. 0xafa55b1b77af026864db633e1e7c2cfa1505c921cd76309115b316aa48d7fc01
  6. 0x587d014ddb04d6c6cb05d1f74120001257ce490dcfa4b42e62f57a2e5f27ce23
  7. 0x1ae7391b461545b8c51681e82bfa6195b5214442abbc0bcf4388df728cfcc3b6
  8. 0x281044fbe264587583e0413fd0bb02261b7391373526719c511d750aa6f84c2c
  9. 0xa57f3ac7645f79ed7df709138b2876ebb38c3537b39edadf21a778841fd6a7e0
  10. 0x7836a5556966cf30ecd08c3d2e71317aa77f32634124306502017aed314b7f61
  11. 0xafd0058f5459c39aa93b8bea4d66dcde1a2763032ab59f971a1c12b8652db90b
  12. 0xac5b705d705b0f1bc42cf2ad1a7f1f197ea96178ce0704432cbb5d556e8671a4
  13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
  14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
  15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON