Evidence row 24997

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.payperbyte.io/mcp"
    ]
  ],
  "name": "io.github.0rkz/byte-protocol",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-13T03:53:06.135635Z",
        "status": "active",
        "statusChangedAt": "2026-09-13T03:53:06.135635Z",
        "updatedAt": "2026-09-13T03:53:06.135635Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-16/server.schema.json",
      "description": "PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token.",
      "name": "io.github.0rkz/byte-protocol",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Ethereum private key for write/buy tools (subscribe, unsubscribe, publish, buy_data). buy_data spends real Base-mainnet USDC — use a dedicated wallet. Not required for read-only tools.",
              "format": "string",
              "isSecret": true,
              "name": "PRIVATE_KEY"
            },
            {
              "description": "RPC for the on-chain library + EIP-712 attestation layer (Arbitrum Sepolia, eip155:421614). The x402 buy rail settles USDC on Base mainnet and needs no RPC here. Defaults to Arbitrum Sepolia public RPC.",
              "format": "string",
              "name": "RPC_URL"
            },
            {
              "description": "Gateway attester address byte_buy_data pins receipts against. Defaults to the current PayPerByte gateway attester (rotated 2026-08-19; previous default 0x77c86a...C472 is retired). Override only if the gateway discloses a rotation you need ahead of a package update - see /.well-known/agent.json receipt.attester and receipt.retiredAttesters.",
              "format": "string",
              "name": "BYTE_GATEWAY_ATTESTER"
            }
          ],
          "identifier": "byte-mcp-server",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.13.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.payperbyte.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/0rkz/byte-mcp-server"
      },
      "version": "0.13.0"
    }
  },
  "source": "mcp_registry",
  "summary": "PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token."
}

What the leaf hashes

{"body":"5464934bb920046d76fc098ccf9231b51b8687fcadea484390e1455d8d4fc6e2","id":24997,"kind":"listing","method":"baseline/1","observed_us":1793025353297437,"prev":null,"subject":"mcp_registry:io.github.0rkz/byte-protocol","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. 0xfeecd34a9b4da0e4d7a2b95f12f64fdf6ef94ab2a96b6159790f5a4e6b7b2b0b
2. 0xcbfec83a5f1dc1a3a81f394b0d3c236d01fd0aaba59a960288931d6d387214f5
3. 0x307c275ea6497529eb725ca07ee1980e21b5f7738f1fed8b057c62754b8b4882
4. 0x68a3cbf6f73bbc134403e80e5f5e1b73845201a86341c1fc9e35fbfdd7e0808b
5. 0xff8f0d1cdc9dfcc19e1c6e380ba08b54fec23ab8ddc767749ae63a7ce61d48b4
6. 0xffd430922a265e4fbd0378197827ea24cc24062cfda942b08db646077b76da8f
7. 0x9adce2dc357a521f0e319290546823a0cd55cfb9156d959f3d9de26f3dff2ddf
8. 0x07c90479a7324b017e582b6964f80621c96a57cec3927dd5837cbdec46a5219a
9. 0xce82681ed0eca529546cd6a725350af5ca74d677e0b581ca813d34bc6fc0de11
10. 0x301cb2348a778b944d1bff0de6fa4d710487d6a5b6fb61608bd9e3d5df1f098a
11. 0xf0e3125fdb80cc0fbd2c1ed68c94834a74c7a387a89a1ab6de49183f24f78649
12. 0xbd264414f726ecec85a6b231446a7d5db56b5a61f8c3f471b7913d982daa291d
13. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae