Evidence row 581611

What was observed

{
  "endpoints": [
    [
      "web",
      "https://api.maximusmediahouse.com/landing"
    ],
    [
      "mcp",
      "https://api.maximusmediahouse.com/mcp"
    ]
  ],
  "name": "PrepLayer.ai",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T22:53:40.815834Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T22:53:40.815834Z",
        "updatedAt": "2026-10-27T22:53:40.815834Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "x402": {
            "asset": "USDC",
            "discovery": "https://api.maximusmediahouse.com/.well-known/x402",
            "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
            "manifest": "https://api.maximusmediahouse.com/v1/manifest.json",
            "networks": [
              "eip155:8453",
              "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
              "eip155:137",
              "eip155:42161"
            ],
            "payTo": "0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10",
            "pricing": "per-call USDC, $0.002-$0.01 single, $0.04/call batch",
            "version": 1
          }
        }
      },
      "description": "Deterministic text prep for agents. Pay per call via x402 USDC.",
      "name": "com.maximusmediahouse/preplayer",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.maximusmediahouse.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/maximusboomerus-afk/preplayer-mcp"
      },
      "title": "PrepLayer.ai",
      "version": "0.2.1",
      "websiteUrl": "https://api.maximusmediahouse.com/landing"
    }
  },
  "source": "mcp_registry",
  "summary": "Deterministic text prep for agents. Pay per call via x402 USDC."
}

What the leaf hashes

{"body":"16bc830a84c923e97e04e667b04fb7c51be9fd7e372501b55ef402a76b865c8e","id":581611,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793144466568386,"prev":561719,"subject":"mcp_registry:com.maximusmediahouse/preplayer","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. 0xe1a675b9a3422666f775a08e8ad43a8738e57b6531113e7cfd49c1291bf42a0c
2. 0x28c6e5117a936a0a7c8e19977d44e03c5d5b120adf456f61d0dcecf19973f316
3. 0xe8757dc51d2c2a1c29895cf70b188fc22beb62431a4bd559e65c32e4016f83ad
4. 0xee246ede3f28a1a29018fb17e39a89141b84a6d4b621e0b49b24050862eaac65
5. 0x3a077de11d806ae471dbfcc408d6972d204a4fd79ed943b0266c4bda2fce524a
6. 0xc14bb558132910c2a662891dff7022bab44528bc1a8086b0c5ebfb7fc0e597dc
7. 0x8b0b7b913fd097fa088d8ca4006d4b453b82b19086924c250281190db2664929
8. 0x5928178b9915c3723b438f113c26b71f3db2006de34efb9168eac2796120c3df
9. 0x9e0086b9cc6c9b6829e3caeef40185ce48a092d2e4850cf2244ba6296166db3a
10. 0x55eaaf6949d63fa523ab5efe46c4d908d90b9c2e2a90b5b5d1fbcff2b418e7e3
11. 0x685edc20eef134e9053b5f48e92fbcfdce3625c2c28f68c4ec9232819c669574
12. 0xa7bf7b9cc7b39dca708cf0cc5d77059435823b975a1b485d07bbb69188527cb0
13. 0x979156f4f0a1ab811055c0a4d2b45bfa74d4bef619c176540454ee8d15e5bebc
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4