Evidence row 1003193

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/simbad/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/simbad"
    ]
  ],
  "name": "Simbad",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T06:23:35.789628Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T06:23:35.789628Z",
        "updatedAt": "2026-10-29T06:23:35.789628Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "SIMBAD MCP — CDS astronomical object database.",
      "name": "io.github.pipeworx-io/simbad",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-simbad",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/simbad/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-simbad"
      },
      "title": "Simbad",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/simbad"
    }
  },
  "source": "mcp_registry",
  "summary": "SIMBAD MCP — CDS astronomical object database."
}

What the leaf hashes

{"body":"3bf72402802376a9227eaebe928e5a459ccbbf869464434844b8a4c66e45eceb","id":1003193,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793257975470066,"prev":47425,"subject":"mcp_registry:io.github.pipeworx-io/simbad","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. 0x3518fc3a3c490b83d82267de9be32daa0ac25da7ba1c9f0a005325382df88c3e
2. 0xac8dfed08f79b16cd541f047bc7d02e57dbbfb3a5ad530740f4e92f4d4768b67
3. 0x4197646765e672909baeb2e249b0673d4a1ec242e53c2e8dd256b4017f5de4e2
4. 0xa13606675d3b56350fd9144c228de71bea84315daa37c4da59d1d7dc1c6ddb4d
5. 0x1358a838678fca08e0fae1ef345f139ea68f153ba082e6d18cc3230a1ac76e85
6. 0xacee7f4e833254af04fdfe9fb2b30307df79755daff2fa0939605d34272d8432
7. 0xe6ce56b25ee26d90328232f2f7bcd55245d37c365a6e1335424a47977cfeb0da
8. 0x5c3ea04d0625089afc0b0fe508a6e6eb058701a2ee067579cb4ffc95dca3cbd0
9. 0x1b7bdcc28a190b1c954d975a3f8251b1975ab4bd0dd61aa4781eb79835fa530b
10. 0x40e01b4f932a3330389c70c2e0a706d909e8b7c6f184b34fc2d85997c0412a3d
11. 0xf65ea9cb7a37d22b6a3774f49c50519e4f57536008975195f7b86bb75cebfb34
12. 0x2ad587e3384e978bb52616208c26d4841fe7a78fc51e02a38f38fa83b849b978
13. 0x809996646fa50ff3941cc94a2858e71348d102933af591ad4e5ca0614e67f0a4
14. 0x14b86aca7e0af6917fa29c5b89b8f3eab1f2340a671c3d06e6ac6a34fd3a07ee
15. 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1