Evidence row 1537762

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://customcat.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/customcat/"
    ]
  ],
  "name": "CustomCat MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T20:57:09.132766Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:57:09.132766Z",
        "updatedAt": "2026-10-31T20:57:09.132766Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Browse the CustomCat catalog, your products and designs; check shipping; create and cancel orders.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/customcat",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://customcat.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/customcat",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "CustomCat MCP by usefulapi",
      "version": "1.12.0",
      "websiteUrl": "https://usefulapi.io/customcat/"
    }
  },
  "source": "mcp_registry",
  "summary": "Browse the CustomCat catalog, your products and designs; check shipping; create and cancel orders."
}

What the leaf hashes

{"body":"b24b6f1390c39641886b03ddafdb60bf2230f9227ce6f29b2be15182d491f763","id":1537762,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481416860383,"prev":1500086,"subject":"mcp_registry:io.usefulapi/customcat","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x0665dd8c5ac6fa58ed338b52c9b976ad2f359fa63f4b940a692d2fb1033f6cf2
2. 0x7876575d27a42189c6b49937eaeca08a4344f074bedfab6882202fbe1ba37306
3. 0x216cd9586317593b99205cbf9b7be4384f00c6adf6261c875071085b17010e2d
4. 0xf85b84232b04a114f1b24402ab96e32f8a949d5e92aa12f86e4624bfa759abbe
5. 0x7c9c461eeba05f39a521b56d837d04acd796a9f9c1a3bb41cf326bc179da3cbd
6. 0xb1b68e0b7af3ac829ff7f9160758d7855a48fc9c4c5c6f3ed394aa1035f1fcdb
7. 0x53d4b93004a7208483ec0840dc5ba39b91f6fc4336684e34da368f8d86eecf6b
8. 0xa29eb776f44f363067a2640f596738237578ff6b06d783e28747022df9c507b7
9. 0x601056943d99fd1931dfd00675e05ff9451e9f254166defc3d8a5d6e471bcdd7
10. 0x3698dd9c9be1320ae526ef92941cb0cb567c897fa3b08eb038ca488c23c7e136
11. 0x18930a42bb840a5572860d820ac0847bfbdee3f2223104738e39a16dac3b5bfb
12. 0xfc1ce3f1110af72b076914927b27361baa19e53c889a2132c5e0554b33bfc199
13. 0xf710e54eacbe157b618c64e8dad060fdfb69ebcb70c1ca3bd9216c2857848588
14. 0x3c6faa3733ce39f85107d6cf00f3a7c42fd5fd374502ec6e62b0305586bf03de
15. 0x72fbe549c493739bb99e38209648de550f136f904e61b4f7609a937c2630a055
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0