Evidence row 34474

What was observed

{
  "endpoints": [
    [
      "web",
      "https://x402check.xyz/"
    ]
  ],
  "name": "x402check",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-23T17:02:40.495164Z",
        "status": "active",
        "statusChangedAt": "2026-10-23T17:02:40.495164Z",
        "updatedAt": "2026-10-23T17:02:40.495164Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Risk-check counterparties before an AI agent pays; pay x402 resources only after a verified allow",
      "name": "io.github.caiovicentino/x402check",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Prepaid credit token (x402c_…, from POST https://x402check.xyz/v1/credits): $0.001 a check",
              "format": "string",
              "isSecret": true,
              "name": "X402CHECK_CREDIT_TOKEN"
            },
            {
              "description": "Private key of a dedicated low-balance wallet: pays the x402 resources x402check_pay clears, and per-call checks without credits",
              "format": "string",
              "isSecret": true,
              "name": "X402CHECK_PAYER_KEY"
            },
            {
              "default": "1.00",
              "description": "Spend cap for this server process: the payer's spend (checks and resources), and separately what checks spend from prepaid credits",
              "format": "string",
              "name": "X402CHECK_BUDGET_USD"
            },
            {
              "description": "Comma-separated RFC 7638 thumbprints of the attestation keys accepted (default: x402check's own keys, for its own issuer)",
              "format": "string",
              "name": "X402CHECK_PINNED_KEYS"
            },
            {
              "default": "0.05",
              "description": "The most a single payment may cost (a check or a resource)",
              "format": "string",
              "name": "X402CHECK_MAX_PAYMENT_USD"
            }
          ],
          "identifier": "@x402check/mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.3.3"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/mcp",
        "url": "https://github.com/caiovicentino/jev-risk-check-provider"
      },
      "title": "x402check",
      "version": "0.3.3",
      "websiteUrl": "https://x402check.xyz"
    }
  },
  "source": "mcp_registry",
  "summary": "Risk-check counterparties before an AI agent pays; pay x402 resources only after a verified allow"
}

What the leaf hashes

{"body":"3ac964d479e8ef6e3104a0000bcd892a69437bee6877900b5bbde55b68e0454e","id":34474,"kind":"listing","method":"baseline/1","observed_us":1793025370828264,"prev":null,"subject":"mcp_registry:io.github.caiovicentino/x402check","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. 0x3cfcd59ab392346ddf70e5abbd2aebf346c990d804b4cd6977121f1396b0e5b4
2. 0xfedf02a33b4421fcb657b2678be5de4fe7f96a0e0b2f2206aaa7f4221f42b105
3. 0xb9cdccd7d54f51f3e914fcf645979335cf318cf7c2b5b81d4d2df7d60e3c3644
4. 0xa5def84e8852b4d4c5e718c3b3c79bcbb6e4a57096cff1c7995032a028400bdf
5. 0x89892ece73fa6d6fd166de13fb35dd4fb56a4243815bf03d3817537f3c0e13c9
6. 0xed508c4523729a7b37fe816112f783e8a55fd08440ad6461dc3b0c8e633e9f8b
7. 0xecef7141e207a55d1957452b911ee96733667ddc1424c63b849f40000b516e3c
8. 0xf3f3d198449d3cdf5c1203734b48ee994a5041891d7073abbe01eebad6f4f700
9. 0x1c592f2665e7b81579da157f1d44a1e38ac2b0cdb7ad29c373d89d63f325fbb8
10. 0xae66718d5a1d562c4f24366c92ce0f9cda65031931b8a838a2d71f1f81f474ea
11. 0xd7dd18a37a5bb07e81a8083d8d1469e052ceebb2814b00f5a8d4f4cd181a5108
12. 0xd04df0f7f3be4d014b4cea8172ada286fbcf5bcb32ae1b281704fd75627b661b
13. 0x215f432600b78f2e7c9629cd10ce6ce4b7f3351b0b71f3f2c7dcb8e650f6cd63
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae