Evidence row 2026049

What was observed

{
  "endpoints": [
    [
      "web",
      "https://x402check.dev/"
    ],
    [
      "mcp",
      "https://x402check.dev/mcp"
    ]
  ],
  "name": "dev.x402check/mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-02T00:43:50.191484Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T00:43:50.191484Z",
        "updatedAt": "2026-11-02T00:43:50.191484Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Preflight x402 sellers before pay: ok|caution|avoid + history. Paid per tool.",
      "name": "dev.x402check/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Origin of the deployed x402check worker (https://x402check.dev)",
              "format": "string",
              "isRequired": true,
              "name": "X402CHECK_URL"
            }
          ],
          "identifier": "x402check-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.2"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://x402check.dev/mcp"
        }
      ],
      "version": "0.1.2",
      "websiteUrl": "https://x402check.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Preflight x402 sellers before pay: ok|caution|avoid + history. Paid per tool."
}

What the leaf hashes

{"body":"49ae236eb5cccae9c6b17565dacf23e3444edaa3e527830450088c7eb062e398","id":2026049,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793582291165518,"prev":1532925,"subject":"mcp_registry:dev.x402check/mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x01624d26dabbec5277789abddff981d19899a4566697053aaf34a729bd375b1b
2. 0x48878eff89d901c1c07e21c6a82b0754f36ee0d5a979a2e67b2bd2600381e982
3. 0x44466d65c02d0d4df85e9891ea747ad912a95fd2b1379f6b3281555d82e3e5cc
4. 0xecba829ed0363e559421be27799daaacc344cbff076c934a9ae5ad4f2a920c79
5. 0xe61696e722325c854493e697b874048fe42004811b3002118cdc379978412c77
6. 0x8b2187850cde2b4d4613a821a1a66c30a4f49aabcbce74d951778249aa26efcd
7. 0xd5b34b99affeb1067bcd3adb4ea778ee17ee670a965586e85d8a62eff1aabfa2
8. 0x5354cb4dac22863158a0988e0682b40858462d058c23655737d38c5845540cfd
9. 0x9cf371cdf34ba3b8a3472ee995f16683a596c9398a47d5bc0858b7fef67b343f
10. 0xff3a9696ebfe1364f945dae3b34b2d01bbf626f3ac34026d9f37563004f481d0
11. 0x93d9ad472320c6b11e6d837b05efef8781d45301a01847e67f688c5934cce3a8
12. 0x0154d753e5f594e54f1ab6d5100a317d12face9f45bc53b289185639f13d17d9
13. 0x9ccfa562467b683727533a101c56f2ec1b15d392976c5a1d03db8b6563b90233
14. 0x9acdcc385ecc9f1094faf2e01677d863638d23bede5aed4ca22def76698e0af3
15. 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af