Evidence row 37993

What was observed

{
  "endpoints": [
    [
      "web",
      "https://appmonster.co.kr/"
    ]
  ],
  "name": "Popbill (세금계산서·알림톡)",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-23T13:16:54.870586Z",
        "status": "active",
        "statusChangedAt": "2026-10-23T13:16:54.870586Z",
        "updatedAt": "2026-10-23T13:16:54.870586Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json",
      "description": "Popbill MCP: Korean e-tax invoices (issue/cancel/search, Hometax sync) + KakaoTalk 알림톡. 팝빌 MCP.",
      "name": "io.github.groove79/mcp-popbill",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Popbill API link id (developers.popbill.com)",
              "isRequired": true,
              "name": "POPBILL_LINK_ID"
            },
            {
              "description": "Popbill API secret key",
              "isRequired": true,
              "isSecret": true,
              "name": "POPBILL_SECRET_KEY"
            },
            {
              "description": "Member business number (10 digits)",
              "isRequired": true,
              "name": "POPBILL_CORP_NUM"
            },
            {
              "description": "Popbill member user id",
              "name": "POPBILL_USER_ID"
            },
            {
              "description": "true = test server (default true)",
              "name": "POPBILL_TEST"
            },
            {
              "description": "OK Agent key (free at okagent.kr) — writes then wait for your OK on KakaoTalk. Unset: writes ask for confirmation in the chat first.",
              "isSecret": true,
              "name": "OKAGENT_API_KEY"
            },
            {
              "description": "approval | confirm | direct (default: approval if OKAGENT_API_KEY is set, else confirm)",
              "name": "KMCP_WRITE_MODE"
            }
          ],
          "identifier": "@appmonster/mcp-popbill",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/popbill",
        "url": "https://github.com/groove79/kmcp"
      },
      "title": "Popbill (세금계산서·알림톡)",
      "version": "0.2.0",
      "websiteUrl": "https://appmonster.co.kr"
    }
  },
  "source": "mcp_registry",
  "summary": "Popbill MCP: Korean e-tax invoices (issue/cancel/search, Hometax sync) + KakaoTalk 알림톡. 팝빌 MCP."
}

What the leaf hashes

{"body":"e3740388e54b2ce0afcfebacbce6bff66878944f3811bc0b147776cf57f0a001","id":37993,"kind":"listing","method":"baseline/1","observed_us":1793025391339196,"prev":null,"subject":"mcp_registry:io.github.groove79/mcp-popbill","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. 0xdab1da0da6a3c62380526dc8f67d016a4b5c035fb654aa36b57db341822f655d
2. 0x373533268597eae1c3c753e5e062186d8466a1b19e95e0da228271855548dff6
3. 0xc73d4c085891935b5c9ddece31969b30fdb80731b86928fcf9074d2444e55aa3
4. 0xf84d15f53112eec6a205f0c77f474d09557e4a70a28cc5ab271b45104e504b75
5. 0x023a6dbeacbbc4a96733e86b0722cdef21d1cc1b205c4aa97aea116de910c857
6. 0x5f04168fa78ec90ecb3e8551f5b73e2537635405335a8ddde17286afad95c724
7. 0xb93a6d0e67a974506df94afd6a023592218a03561b8f267c814a414540e88df6
8. 0xe0c650f1964db0d295beaf8d04713261ade75379b319ad523e15c720a6bc60c6
9. 0x5782c89bd2401b2bf06e06099d0f0a0bd4546cc98d857ebd0c8da6825ab33d7a
10. 0x429b947d002ce61e52aff09d50ec7bad28ee2fc33fd637320eaaa2d4d00b0f3d
11. 0x29700235b227055ce880d43e14eac146f6698beb898c5815b2dace9d29cb0d8c
12. 0x3704bc5ad033a79977899a5ead894cf50c0b8c8432c020959cefe2af561eb5ee
13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae