Evidence row 16422

What was observed

{
  "endpoints": [
    [
      "web",
      "https://irkumo.com/"
    ]
  ],
  "name": "irkumo",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-30T06:04:14.607934Z",
        "status": "active",
        "statusChangedAt": "2026-09-30T06:04:14.607934Z",
        "updatedAt": "2026-09-30T06:04:14.607934Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "IR page and earnings release list URLs for 3,821 Japanese listed companies by code or name",
      "name": "com.irkumo/irkumo-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "irkumo API key (ir_live_...). Free sign-up: https://api.irkumo.com/account/login",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "IRKUMO_API_KEY"
            }
          ],
          "identifier": "irkumo-mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.2"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ozumin-dev/irkumo-mcp"
      },
      "title": "irkumo",
      "version": "0.1.2",
      "websiteUrl": "https://irkumo.com"
    }
  },
  "source": "mcp_registry",
  "summary": "IR page and earnings release list URLs for 3,821 Japanese listed companies by code or name"
}

What the leaf hashes

{"body":"c9181a095de2ba83cf9ca96e4f2f44c5ec8c5c849d7934b5f4efcbba35e2a15c","id":16422,"kind":"listing","method":"baseline/1","observed_us":1793025323041190,"prev":null,"subject":"mcp_registry:com.irkumo/irkumo-mcp","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. 0x3efe2d6f8860becc7c94bcf5973f588d50a028aaa568143b8b3491ca065e73b1
2. 0xadf7fa096c14de7a96c17673cc660ef60ed6267ceadbfb3eef723d3e1fcf7864
3. 0xdfc3475cd0b93221efe1598512acc485893f3f3d680b56abd1d25320bb2be132
4. 0x0ae9030b1808b9b707ca7293492c21952281df792028a5f53de015581ae8af6a
5. 0x1814b35b909aa779ea825b7932e3ba6988cbe1e60ffa636c0e04987ce72a153d
6. 0x09bc55e0eb1cee9cba49096490eadfa3a38bd038226458d9f9e550102a8adc98
7. 0xa9480d268dab2c81e7896a0ced6c1c10836d107aebdef472ecf116a7b97c40ec
8. 0x7b8730962916b6878edab23c9e9eaf1af0c7f8a4b50df2f8cc538e0ad4ab7ce5
9. 0xff75e22a828cb7d1cdd552f6f3b402140b68667d8e44835b53a0e2c817c0348b
10. 0xa206678127697e0573e1c3c370e3f5c8dab5505cb986a0c1e8e08b3b19f3ab20
11. 0xa4d1745f134661a77f8f2bfd58422252c41790ede9f0de54979c915510f5d550
12. 0x1afc0318a98c6dbb5a80e5cb86eba22b844e3f3b185a16f17290e29ab7410f55
13. 0x215f432600b78f2e7c9629cd10ce6ce4b7f3351b0b71f3f2c7dcb8e650f6cd63
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae