Evidence row 544334

What was observed

{
  "endpoints": [
    [
      "web",
      "https://horizoniq.fundas.ai/connect"
    ],
    [
      "mcp",
      "https://horizoniq.fundas.ai/mcp"
    ]
  ],
  "name": "HorizonIQ",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T20:07:45.862906Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T20:07:45.862906Z",
        "updatedAt": "2026-10-27T20:07:45.862906Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "authentication": "OAuth 2.1 (sign in with HorizonIQ; paid subscription with a 14-day free trial)",
          "documentation": "https://horizoniq.fundas.ai/connect",
          "privacy_policy": "https://www.fundas.ai/horizoniq-privacy",
          "support": "horizoniq@fundas.ai",
          "terms_of_service": "https://www.fundas.ai/horizoniq-terms"
        }
      },
      "description": "Licensed, analysis-ready US public data for AI: industries, economy and local markets.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://horizoniq.fundas.ai/img/mark-512.png"
        }
      ],
      "name": "ai.fundas/horizoniq",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://horizoniq.fundas.ai/mcp"
        }
      ],
      "title": "HorizonIQ",
      "version": "1.0.0",
      "websiteUrl": "https://horizoniq.fundas.ai/connect"
    }
  },
  "source": "mcp_registry",
  "summary": "Licensed, analysis-ready US public data for AI: industries, economy and local markets."
}

What the leaf hashes

{"body":"48595427a8d5f6da06f2dd89e5fcea0c462e0bdde4da8673dcfa65db7f8fd47d","id":544334,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793131944602510,"prev":null,"subject":"mcp_registry:ai.fundas/horizoniq","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x4c353104be1a8947a517a5fb581aa005c9fe5059dd01a05124a28667e2c5232a
2. 0x4eecbe3ddc6212b503939d1af64d8434703893ab7915ef51f763822fb2250e98
3. 0xde7b81ce4ef3c5a547289af6644d01de267938543f7a46bd782eebc7876d472e
4. 0xe97019a45b1f5a200ea695b1c5b2ce4c53d13e8244691b37e06bd8869bcbb4fe
5. 0xebceff8fe58afee166e7ca2f0303eeec48a5289cf4ac3dc2aefd1da277bc2425
6. 0xa2c8fc858d3ed0aa2832618169d4566f18716a0f62d4d7234abfc66a943377ed
7. 0x30dc2dfbdb4a1994987f771ccd4bbc64ffe3938c84af0989fb883beccb72b29c
8. 0x334708cbbf2358f3afa743a9bcd96cead505ab85b4a0010b6ee36da3833f9794
9. 0x5261d06769384688f36c8bd4470c46642a0cce9e19a816ad08ec2cb5d9b9f22f
10. 0xf76cc8368883e5e859b77ef9ab8ee1e563f24cb57134247e77c2c3fd2b2d772c
11. 0xdb79ef753f2bf12d42dd9582e7548d8779f526360e431c95865fd80eb157c47e
12. 0xf5ad7dee20c9ad48ff75cc443e6c6ae3a718321f07b826d581afdb243e59305f
13. 0x150dc531eedad3837a4be47dd0bf1a84bf98feb63216c125982425fda525a3fd
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4