Evidence row 1300819

What was observed

{
  "endpoints": [
    [
      "web",
      "https://paystage.xyz/"
    ]
  ],
  "name": "PayStage",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T23:59:46.174471Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T23:59:46.174471Z",
        "updatedAt": "2026-10-30T23:59:46.174471Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Umbrella MCP: payment preflight, auth watch, HIP-3 trade preflight, velocity checks",
      "name": "xyz.paystage/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Path to policy.json spending rules",
              "name": "PAYSTAGE_POLICY_PATH"
            },
            {
              "description": "Base RPC URL override",
              "name": "PAYSTAGE_RPC_URL"
            }
          ],
          "identifier": "@paystage/mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/mcp",
        "url": "https://github.com/base-buzz/paystage"
      },
      "title": "PayStage",
      "version": "0.2.1",
      "websiteUrl": "https://paystage.xyz"
    }
  },
  "source": "mcp_registry",
  "summary": "Umbrella MCP: payment preflight, auth watch, HIP-3 trade preflight, velocity checks"
}

What the leaf hashes

{"body":"b1308d549b7b71b734491eb40628cef100731625249fb887adc04c9ef0d210f3","id":1300819,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793405743385995,"prev":1231279,"subject":"mcp_registry:xyz.paystage/mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x8962ad59610a8d592e7ba3ef549c0339800728abc79ff4ee021926afe61f23df
2. 0xc2710bc7eaf6f90e228b43902f352589a381c270f2cece2a2fcb5b3a5d008e07
3. 0x350d88c93b484fad3410b153693ff8fee7c2a5d02728a86cdadf18c365bc089c
4. 0x79a4c9ad72f79af5e1bb23d8d8a073fb71aafd999bcaf973d76581b88f022019
5. 0x31869823586aec9dd40caceb70391e85ba07893bf92392fade61ef613abb151f
6. 0xab106f419c2cbf1729658669a829ab1c16e576e1b8132692ec5815dac553ee9b
7. 0x506e3803d3dbf091e70ff7f341995397ed7f274d80fad353ed269353896dae5f
8. 0x9c0b05cf86983372967f7abb8d22d303255b3abb28cd7d54df522a2915aee569
9. 0xe8d870ea4ac9cd429b54dc2c41ea4149d5037f714d860e90983ff456bb30fc48
10. 0xca045e2c1320ecc158478bb18be22b28a07bc46db4377edc03c5eb31598a5aff
11. 0xba97965b29e5f48e6c8759e904c8e927c4dee9b5a0466a71cd1168ee8d75cae3
12. 0xfc285a6ff41aaeb9d14642b9d788577e68e1988eeb934ef3f7aefef96aad6c43
13. 0xf78dcc497b1eed1570dd01a177c5d9c85de403719e57871edde8db0cd63ccfa3
14. 0x53cec9a253425d115917fd16acdf0d80665ab0944593859ce1e8b491b9693e2f
15. 0x91bc1c2b25f148b9b56bf377304983d0f2e68d0d8c3f65c9aaa8adb083331d11
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0