Evidence row 519387

What was observed

{
  "endpoints": [
    [
      "web",
      "https://app.retailhardhat.com/"
    ],
    [
      "mcp",
      "https://app.retailhardhat.com/api/mcp"
    ]
  ],
  "name": "RetailHardHat",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T17:07:59.133681Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T17:07:59.133681Z",
        "updatedAt": "2026-10-27T17:07:59.133681Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Retail site, project, budget and bid records with human review for sensitive writes.",
      "name": "com.retailhardhat.app/retailhardhat",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://app.retailhardhat.com/api/mcp"
        }
      ],
      "title": "RetailHardHat",
      "version": "1.0.0",
      "websiteUrl": "https://app.retailhardhat.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Retail site, project, budget and bid records with human review for sensitive writes."
}

What the leaf hashes

{"body":"02cf0d6d856ab107f5a9b5bab0338aaa03f28fcad3ad2309b0d14de6021ba523","id":519387,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793122146234926,"prev":null,"subject":"mcp_registry:com.retailhardhat.app/retailhardhat","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. 0x2aba4e1bfdddeefe096b174426f73fbdbe2b443a319cebe511189a332821b3ee
2. 0x3aeac673676301fc61084cfce4100f45d7e8f8c1393237ed4cff5fca49150ae1
3. 0xb701f38408c2930c7a041ac99d66ac80151edaf517dde0e8141602e1a7dd7763
4. 0x4d2d674ce2e2c6f967f2578fd9eb0da86705a00e9c8a42b92f68c3c0b62076b4
5. 0x213f2ddd0cbcfa6ad24d8b2fb6d46bbd93276a8fdeccad72cd78db7870d482ad
6. 0xf96e61b9717ae7230d04755fa9772ca8c477f1d7e8256ba836a0c10408663313
7. 0x9c0f634c69d5b3c3710862c7d9fbfa03aee6cbeb6135b0740c117d38c1f56110
8. 0x8616be81fbcfc893b6ec16f408dbf4100debfea75d27efdffe5ffbc9db8a514c
9. 0x1c83f5b6ae447deecc4ad51ddbce0a9e5d76703b4f7248094766f194bd5e4007
10. 0x4d8c0a652311a9beb5604c5c980355730cfe574dd0775e932e535b872742683b
11. 0xec8e4ccca73ad575591e2aae8a6d2bf4bfef826240c40728c9fc6d960b63ff0f
12. 0x7ba1b835277802a22a6f62a758420094404a75d3c14f34dd88b403fbf174b26b
13. 0xf9e544d10b80657275e1e196da89ba5336a7cc49eaa0d6d801fb5d632cf5deec
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4