Evidence row 34723

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://x402.chikocorp.com/mcp"
    ]
  ],
  "name": "x402 Preflight",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-04T20:18:17.595945Z",
        "status": "active",
        "statusChangedAt": "2026-09-04T20:18:17.595945Z",
        "updatedAt": "2026-09-04T20:18:17.595945Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Inspect and validate an x402 endpoint before an autonomous agent spends USDC.",
      "name": "io.github.chico10117/x402-preflight",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://x402.chikocorp.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/chico10117/basepay-readiness-service"
      },
      "title": "x402 Preflight",
      "version": "1.0.1"
    }
  },
  "source": "mcp_registry",
  "summary": "Inspect and validate an x402 endpoint before an autonomous agent spends USDC."
}

What the leaf hashes

{"body":"d8b34740a6babff68fcf428782e17b70117d0595b73e95c6ec3b6f8249e578ac","id":34723,"kind":"listing","method":"baseline/1","observed_us":1793025371169948,"prev":null,"subject":"mcp_registry:io.github.chico10117/x402-preflight","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. 0xe7674da2b5c583e2c6b5697e29ddbe543d91fc3aa9187e7da0f3ecd0c15a6433
2. 0xf2d92e6ead552bf8066cb3064cebb6368b156aab695887357574ae3f8d617469
3. 0x2ad4ca230a011541849fd0da51104d9995120aa48a2d329dc1119d9a310b342e
4. 0x994c66ef878ad2af54d0cb61913ca06d0ebdeda84a379ac1575aa00b45df8fee
5. 0x9faffaaa1484f6d6824b7a912d1831386fdb569f42f53fcd5df6de28f9b3da2b
6. 0x1f44dedab2fc5cefab830bb4ae3f35261521b960c6b434e0d70adb05332814ca
7. 0x53c37ffc14f71fc18ca5c8fb8ed5edafd848331ef2d42fac054f45ed1b808f46
8. 0x7b7e45ae128b251899c7caff5d6e8bd37e4505c57345cfb202fc381061121c13
9. 0xf0b16cf000c2bdd4864f7023295de00ab114d2e9edaacc06233aa643b2e5c17e
10. 0x7deeb175e21dc795de5c6a6747c18815aec2ac086521557682cc9d301183bd2e
11. 0x59e039ae04bb13d1c4f6760e5371456ed0590ed6a27668ea3df8a519b5fd4655
12. 0xb866b513dd861c870688f5d1a8e434b170eaa2fafb0961d6a674d452b8e58381
13. 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae