Evidence row 1231279

What was observed

{
  "endpoints": [
    [
      "web",
      "https://paystage.xyz/"
    ]
  ],
  "name": "PayStage",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T07:03:29.943961Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T07:03:29.943961Z",
        "updatedAt": "2026-10-30T07:03:29.943961Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "PayStage umbrella: payment preflight, auth watch, and HIP-3 trade preflight",
      "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": "0.2.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/mcp",
        "url": "https://github.com/base-buzz/paystage"
      },
      "title": "PayStage",
      "version": "0.2.0",
      "websiteUrl": "https://paystage.xyz"
    }
  },
  "source": "mcp_registry",
  "summary": "PayStage umbrella: payment preflight, auth watch, and HIP-3 trade preflight"
}

What the leaf hashes

{"body":"4f388276f2efc9babb5fdeb6ce5424d9d211ef5d50fb96200e4eeb6237a54931","id":1231279,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793344495617983,"prev":1228432,"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 2026-10-30 (243099 rows).

1. 0x1d8116aa0bc6c5df00b91e23cc8cf9819d2898a0ddecb8d8d659b8ed640da9cf
2. 0x61befd791e87087404f33aa3d29437c04441e20f40074ce8736e34ab98b080a0
3. 0x14cea1247fde6143438d4778b00179d61f4626946e5970a0202715a70c8eca6b
4. 0x78d17b5be1c682a06676ca0dd0fe35c0d5c5a2d946fb0181cfa7de867f4e24c6
5. 0x8a71acca13d9b4d4c170c0158743092c27c98e672f5b9a033f8c2f6ff0810857
6. 0x0edb464f93011f7a21a54cb79718b9e26a4ce5ed4da5ab1102b6b750060323a9
7. 0x4ed3f11701e2dde6da4ef9b452d3dde24dd17f6db87effbfceac41fc57ac9d3d
8. 0x28822fb35240ea425dca2f76eaf83f80bcc183ea5f6c84886b5b15957b8fad04
9. 0xd3ac92674186a200ab25b8ac153e95a04971125e964d2301b44bd7bd92196ba1
10. 0xb562805b51efe310e005cc14ffc3cfda61719f16216f96905ba6407fb76a86cb
11. 0x715fdbf4eb361e99625f7665052191c762041c3464cec87368f06af3369cd363
12. 0x3f853a0f739682f856d848164f4b1a8d954883d0e68ea38039faddbd8191e233
13. 0xcc781b06455328640253147765ef02c8541003dffa454414609352f2328b2b27
14. 0xa25de97dbaf2a3b2e2808c2011eada63945b08a93d4bb9a6253fb7a136aa5dac
15. 0x0313631fba69cc31784d20beec069335df13219f8a8a8a8831740bca4d4aa0a0
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861