addrbookFor publishers
← The evidence ledger

Evidence row 26238

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:io.github.Br0ski777/qr-code
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
552d294f7ebbd9acef5c31ccbae5037a0db0b3eab67e595ba9c44b6f7130c893
Leaf
0x4e416e77b55c4fe4a61fdbdaa52dbb5a7b35d39364364bdc8f5ef46a24b1e6a6

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://qr-code.api.klymax402.com/mcp"
    ],
    [
      "web",
      "https://github.com/Br0ski777/qr-code-x402"
    ]
  ],
  "name": "QR Code Generator API",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-05-16T13:32:54.521346Z",
        "status": "active",
        "statusChangedAt": "2026-05-16T13:32:54.521346Z",
        "updatedAt": "2026-05-16T13:32:54.521346Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Generate QR codes from text or URLs. Returns base64 PNG. x402 micropayment.",
      "name": "io.github.Br0ski777/qr-code",
      "remotes": [
        {
          "type": "sse",
          "url": "https://qr-code.api.klymax402.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/Br0ski777/qr-code-x402"
      },
      "title": "QR Code Generator API",
      "version": "1.1.0",
      "websiteUrl": "https://github.com/Br0ski777/qr-code-x402"
    }
  },
  "source": "mcp_registry",
  "summary": "Generate QR codes from text or URLs. Returns base64 PNG. x402 micropayment."
}

What the leaf hashes

{"body":"552d294f7ebbd9acef5c31ccbae5037a0db0b3eab67e595ba9c44b6f7130c893","id":26238,"kind":"listing","method":"baseline/1","observed_us":1793025355791476,"prev":null,"subject":"mcp_registry:io.github.Br0ski777/qr-code","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. 0x4e40fb8311e518ea7978e511b1247489b0fd0488aff49605e1d13fd6ba3306d2
  2. 0x1768804c5795bb36dfe6af4688618efee59c8d1bf15ee5853a628ca359b73136
  3. 0xcea56d18513d78b0c6322d5e905389243c5eeb70f672a7253e525f595c50f35b
  4. 0xc88548ef431272ff7df4da8778994db842353d8ebb6dff9893cfee2a6809593b
  5. 0x6f03b241c58762a858af1a90515a63abe94967429b82714dd7956cd0385bd2d3
  6. 0x6d4d52d8338606dae54df5cf8a4d96a2125fe79724839d61c57a51a2bd3b3ac1
  7. 0xe67bfd319d41d2c1f1d5c25971f699a395c2d5710cc401b3583d45e683052595
  8. 0xdca23fd9f36afd4aa626d3147b496ced28d73db86eec74f7bb86362eba70a90f
  9. 0xd0424982bcbd6784ffc805a7ad8a3cd7a86e5cca39d94f0b72ed1632d5e51412
  10. 0x4e3a378d46fb644a540765cb2a75611ba24be0dbb514229e14d4860c2c09f3dd
  11. 0x20ba86fd56bddd46212d02e792b969e90a1167c4fb9ba4a54cb7da5cf7da1629
  12. 0xaf14a84837a57dc5a0cb0ebd158daaad24c19301b9257d9e97c322a7d8c54bc0
  13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
  14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON