Evidence row 1019795

What was observed

{
  "endpoints": [],
  "name": "Receipt — sign an agent's work, verify it offline",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T12:11:02.230577Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T12:11:02.230577Z",
        "updatedAt": "2026-10-29T12:11:02.230577Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network.",
      "name": "io.github.ecstatica/ggbank-receipt",
      "packages": [
        {
          "fileSha256": "17ac189297b705462caf4af5330810632e791697ceaeba00e26398d1adfc42d8",
          "identifier": "https://github.com/ecstatica/ggbank-receipt/releases/download/v1.0.0/ggbank-receipt.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ecstatica/ggbank-receipt"
      },
      "title": "Receipt — sign an agent's work, verify it offline",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network."
}

What the leaf hashes

{"body":"7cf0582b0c38cb0b7d75f24d73c6eb553337e6cf8d1653e43635dbda319cf7db","id":1019795,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793275986621207,"prev":null,"subject":"mcp_registry:io.github.ecstatica/ggbank-receipt","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x18de73439a98e1d198018c12bf161152b507dd719fde9597303f9e54098fc246
2. 0x68760f9b2a38c42711fe356a25d5363bfd9e4f2793f03253a4ddc85492dce326
3. 0x770e03fa59ea9771d173233966aa570eb41c470a445e5f46836cc9548d61d2d6
4. 0x45115622a958d7f2f3e2d2f14ff5d4feff77988458c0206eab7af3c2fc520eb5
5. 0x31f72ee39f770f88a40723e87203a05e6581e6972568d942f04158a85249b111
6. 0x9367e01863e1bdee160f0a17b6f6dca5e94e0b7ce8824d2ee887333bb913ae48
7. 0x5a5446b051f9b544741eeb187e74486eeb68fdf503f2f55113b29ad4eef64e45
8. 0x417f6533244bcd4374ec4212a824204c563652f348b66b55f0b0f843f3084bb3
9. 0xf9a68fa1cd2d16159b2e36a2466692646070f00c07a9f805ce1bcdd69c24be0e
10. 0xc0399c0683974aec3466c11c9e05a25faee15456a307aa6cb98925a0a8ec8375
11. 0xe9475194a5377e093d97705d31e8279f2caf6b59745a2d1ab671467f93b10d86
12. 0x8671d007f0b597595503daeb7a7d5abaceef2924200f7955f160d0386d7504ec
13. 0x7f222e37d629c9863b5d506c46d25162bced2327b9c0a87b616ff7daf7da3430
14. 0x084c8874a1d9f8527c9c50048abe328afb50aa4926cc4b9639898f00eef5101f
15. 0xb4cbfd07748aa7d27896e5517d69e2e77024b97a1cfe1755f9af8471ad993bde
16. 0xa0a7723889a4c15b3e0bec353fa8dbcaec6c71cf35bb6c346415ad3e664df6a6
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1