Evidence row 22720

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://payqr.cz-agents.dev/mcp"
    ],
    [
      "web",
      "https://qr.cz-agents.dev/"
    ]
  ],
  "name": "dev.cz-agents/payqr",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-06-02T11:42:29.170187Z",
        "status": "active",
        "statusChangedAt": "2026-06-02T11:42:29.170187Z",
        "updatedAt": "2026-06-02T11:42:29.170187Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
      "description": "European payment QR — SPAYD (CZ/SK) & EPC/GiroCode (SEPA), plus text/WiFi/vCard. Local, free.",
      "name": "dev.cz-agents/payqr",
      "packages": [
        {
          "identifier": "@czagents/payqr",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.4"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://payqr.cz-agents.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/payqr",
        "url": "https://github.com/martinhavel/cz-agents-mcp"
      },
      "version": "0.1.11",
      "websiteUrl": "https://qr.cz-agents.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "European payment QR — SPAYD (CZ/SK) & EPC/GiroCode (SEPA), plus text/WiFi/vCard. Local, free."
}

What the leaf hashes

{"body":"97e99e0b2af1d1f1464d16d612146b445028819be6d9d01628b9b98ed540024a","id":22720,"kind":"listing","method":"baseline/1","observed_us":1793025349621965,"prev":null,"subject":"mcp_registry:dev.cz-agents/payqr","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. 0x21f04a20a4c44d2f16bf2a0c0a994ff8befa63386b09a2d7425d2b2f548c1ba9
2. 0x7930417f2d075b68065679ba94d8aa5c20dd377b77089b753d919a4bae1631fd
3. 0xbf1c69e4add84b446903965ed2587566de18d9e34a765e09129327aca7d10abd
4. 0xf56f00e4bce6a3585684f2c2e1d37a598910b1efb64fcb3cc7db9701de459768
5. 0x20a89d18ea515f2c4f39be9e2265e8781fe88a69bdb24212625c28e7824df1ad
6. 0x8a62f23973d083123f47d4790c2d78ac72326b4d2f823094c470bac67875b16e
7. 0xbcf39a19a461d956ab57c3aa9464b16d7900bb9e4a84a2fc6db6468d2b517acb
8. 0x0bf3cde571d1a5fed5f9c7ee1ad9d597a644e039fa04af007ca36b93d64c63bd
9. 0xdf8f5ccb0f29bdaeec33938c5d8a2e7e12121c37883fd38843b17a323f25f547
10. 0x799af748a278188f9c62b046d3a85d0c1267a4af67aeaf337854a2e36cc39487
11. 0xda2a271b0447c8ac22315d2ea7582e04968ddef46c7cbd29d7462934a9b3b37a
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