Evidence row 443361

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://tito.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/tito/"
    ]
  ],
  "name": "Tito MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T08:34:57.041363Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:34:57.041363Z",
        "updatedAt": "2026-10-27T08:34:57.041363Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Look up events, releases, tickets, registrations and discount codes, and edit tickets and codes.",
      "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/tito",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://tito.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/tito",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Tito MCP by usefulapi",
      "version": "1.25.0",
      "websiteUrl": "https://usefulapi.io/tito/"
    }
  },
  "source": "mcp_registry",
  "summary": "Look up events, releases, tickets, registrations and discount codes, and edit tickets and codes."
}

What the leaf hashes

{"body":"9879bfff94f9e4e2b78597f5c35504ba6a28a93ac0434a38cc473a1a2d7ee511","id":443361,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093259576064,"prev":56867,"subject":"mcp_registry:io.usefulapi/tito","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. 0x27e9e8c15adfea29bf582f320e3aac2b6f18784117e542934961bb0744143ac8
2. 0x4e51b1728d82345bc958d6aeee10b60b197b3b0607d683b5c12ccee53c761870
3. 0x44602fb51f76cc59354707f2d4fbd9c98a7685a0d1b81e43baed2619f092724f
4. 0x9aa364f0f855a9dda96af9c607ed4510702854fd3161d3c47d39e6b28a18c0d3
5. 0x4661f887a929ccee3081254e49297cf6c5621f80ea4ccd1a2f856dd4641683f7
6. 0x8c69645ac91569bde9d5fc94201e1e6505c2e2457e9dbf03ce115872b359d3ce
7. 0x012cf3c43277825fd725ed3b218866eb29c833d39dccd5791ed85377b09e634f
8. 0xcb305a41e28e065c1d8c9b204f37d94d417540126378ed078b05204219bf9543
9. 0x252d1ee1967388b27981d5820fa515b9e52efa26da38ec686c1e8553a8759fc7
10. 0x58a55125c2389f16bd21647419b9fa69b354f91d8dd589440e8095b1281b3947
11. 0xbae4a65d8ae80540633da98a42bc7238b1aae389589d7285d2f85046a743e3a5
12. 0xf5aa0adf486bca586314afc4935e732d521d3d8275e51eb4c8d2de46b00ea2c1
13. 0x28be2f2303fcac4decdb6323b0f4ee8f8a31038beb758eaafc604a98626292e4
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4