Evidence row 1481865

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": "2026-10-31T10:53:28.694713Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T10:53:28.694713Z",
        "updatedAt": "2026-10-31T10:53:28.694713Z"
      }
    },
    "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": "1.10.0",
      "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":"7955f12467bae2552d82d7e02b5c883366778da71832673d8e54bbc6835415bc","id":1481865,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793445357430118,"prev":1257505,"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. 0x112a4d85ce5394f591295bd403e090de8f87dfcb7f986da01cf40a9b5d761722
2. 0xa6d196736f76b19c34d5d049030200eba05bc41be48f3501bfb245bbaa310455
3. 0x86172275df9d470c4ce3014a7559a788f38c933954f586a46289b4031d542c01
4. 0x40a20fdbaec7466efae5c6e63feb52c2bec28841c1a3d6fcbdab99b8ff6bbe7f
5. 0x57f3892313f6f0a9e9d4aa20e42ad4c47cecf863903746d4485030c6f2bb4c79
6. 0xbb9cf640c89c9e90be045911657cdfbad62683725556cb4b25466b892a8ef634
7. 0xef1a7a84425e20e32503dcd291ab2ad7d90381faee4ed3116cfc04e0298a1f8f
8. 0x0e4308a540e43a30fe9149272780d0250a4ee71ef6ea04d6d1bec37439a2cf2e
9. 0x07f99fe769ca5cd16a1aa529c8b1dda8a148ca467910e6bc4808eb26959bac79
10. 0xea747f90be88adce0f486dcd9150e29481abb9e42e76f22467b5f73991670017
11. 0xd7c5ad5bb35801f073dc7ece02be8fbd460124056ae626b43715811bb1de7fa5
12. 0x3506f733503d54d5526cec588d9e8b1f94f6fb7fc812cbfc49cabc52200335f5
13. 0xf2b49afd37f6c7a074cb7e2e9bd6248a3e1bcb90308acf1af6b3be8a3c1b7cfe
14. 0x500efd0d65e793a02397af46769412226d4deefe24ac497b68f3a32f6828638e
15. 0x95ec49fc7f2c7be30422eaa1d0d6036836dd63ff46a8ed4027258fcf3eb8cf24
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0