Evidence row 558097

What was observed

{
  "endpoints": [
    [
      "web",
      "https://wafermap.xyz/docs"
    ],
    [
      "mcp",
      "https://wafermap.xyz/mcp"
    ]
  ],
  "name": "Wafermap",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T20:36:58.899539Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T20:36:58.899539Z",
        "updatedAt": "2026-10-27T20:36:58.899539Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "x402 layer for AI agents: 35 pay-per-call resources, x402 service discovery, USDG/USDC.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://wafermap.xyz/icon-512.png"
        }
      ],
      "name": "xyz.wafermap/wafermap",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://wafermap.xyz/mcp"
        }
      ],
      "title": "Wafermap",
      "version": "1.0.0",
      "websiteUrl": "https://wafermap.xyz/docs#mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "x402 layer for AI agents: 35 pay-per-call resources, x402 service discovery, USDG/USDC."
}

What the leaf hashes

{"body":"cbcd71d054b4f72286a4ebe04e81636a126cd4f9fa2f103a70b2cd44bec187a9","id":558097,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793134937142061,"prev":null,"subject":"mcp_registry:xyz.wafermap/wafermap","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xd3a2f3ff479749a5f97aa5c4417d7f0c8d8277cbaec4dd1bc212186611e9572b
2. 0x2d5fabe44636e89997d0a8c345380f4858d0578cea30c5b88607bba1dc76c645
3. 0x5ce0773647d561e51d72203b2b89b100e4e865ffc22aa4cb6657881c7440f959
4. 0x4de599a08906d6e4b9e48707e668032fb92e833723909044be91caf1dfeee578
5. 0x713768613f3d66544fdb6ac550044dec86ac10e6085a0295f86d21ff005e1df1
6. 0xd2e008ac9d16d706f7134d3b24c27a80d4e1ca55ac9a7782d363702800105352
7. 0x6ddf49e680a917e01e8265e50d83b02baf11e6eb4089e6de85be11ecd919329c
8. 0x3abd366fa890ee291b88e832d02f968e41fc234b835df199a36848ae18484e7a
9. 0xc95b6cce7527643fe83a97a95c6011126a5d8830dab04668eb6ba935c92a96f2
10. 0x6a1386a689a26367b568f88e377530a2bd553e06af1a26049e7c59700ecf3e60
11. 0xfffb2250987be2ab1e65ada5e7362185183c6bbed9d78650d53d2ffb2c007dd0
12. 0xba42125112c82614fda070baa3201b37bda47b7485d074641cdd174984f8ddaf
13. 0x3b3e4fecead12aaf883ab4f21b6e21efddd0a8d055ced058cb62bcdca8a6c9d6
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4