Evidence row 1053879

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://receipt.whirlwindcorp.com/mcp"
    ]
  ],
  "name": "Receipt — sign an agent's work, verify it offline",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T21:21:39.390172Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T21:21:39.390172Z",
        "updatedAt": "2026-10-29T21:21:39.390172Z"
      }
    },
    "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"
          }
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://receipt.whirlwindcorp.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ecstatica/ggbank-receipt"
      },
      "title": "Receipt — sign an agent's work, verify it offline",
      "version": "1.1.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network."
}

What the leaf hashes

{"body":"fc555ba486563776c03e73753aa82323bbd4f1693fa9e3a7c37a2acb754a33cb","id":1053879,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793312086237726,"prev":1019795,"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. 0xfe4b9ca477f25409d1b387ea734ea560fead752dd263fcddc801f61ce664a2dc
2. 0xf722920fbc13687dbcd84ba688349e75b92362431c7cfb33d1fcf8f8f64236b1
3. 0xc2563d1bd1dbf280ad2b4eefa9f265e25e253b721008dd45d902cb6f288a8cf6
4. 0x20b2cf4f8a815adf6fb5225372abaa03dc90f528d6dd1f013ab0e6552337ee7c
5. 0xd2bc3e476d4c1df5507c6ab8f4c8d1511a2773332ced971fb2d9723a4f42af22
6. 0x0f1ef4d3f0c4a80d9180ada5eef39f08a547e9cac389b308d6531b24e598a828
7. 0xda29b4daadf9cadb9dac10506116afffc9c7d04e579ff6639c0abc2e64995f36
8. 0xc3d4948fa9c8745691e486c9997ee0c019e9fa935fad9af229047f969db41cbd
9. 0x7849a3bb0faec1f2dabb2fba7f9f65f30f7d7f06d4e5a1f9e145a2622ef6c4ea
10. 0x4b44beb21cba2893489ad351ba843566d06b8c4bc71e6b230e87e47013c2ddf9
11. 0xb634eb857a2229feb1b078ba8ffdd52eac3334f2f22b0ec6d4a85a9271e5afcf
12. 0xf963e040f37ba78df2f3ac04fde2017d286f0ea8d9627be8eeaad0d9971c42a8
13. 0x53bd5c3baafe91745ebff65c20addef2a0eec44e95ed2b7e15d2e7abd391cbca
14. 0xf708469bc3aba85a4a4875a16834cb1ef22f7d55f1823cedb60f00dfa15f77df
15. 0x1dd763930a8023065a24b676469b4f26d92a89cfe71226ced9df379f43ec0f0a
16. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
17. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1