Evidence row 1001300

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/reverb/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/reverb"
    ]
  ],
  "name": "Reverb",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T06:04:22.137939Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T06:04:22.137939Z",
        "updatedAt": "2026-10-29T06:04:22.137939Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Reverb MCP — the musical-instrument marketplace",
      "name": "io.github.pipeworx-io/reverb",
      "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-reverb",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/reverb/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-reverb"
      },
      "title": "Reverb",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/reverb"
    }
  },
  "source": "mcp_registry",
  "summary": "Reverb MCP — the musical-instrument marketplace"
}

What the leaf hashes

{"body":"d02cdfd06cab9ae19ae7e0dcbdbd21cd7dc245d44b3c19e49a9410f0761e48fc","id":1001300,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793254373575714,"prev":47332,"subject":"mcp_registry:io.github.pipeworx-io/reverb","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. 0x41a39b8c6570def2a1d1b366e6f669f9ad03c48890409ccd99bcd5f21acb908e
2. 0x9e532ad4e64a408ed5c224cfa653ad73e916b5796c09b83f39d8256092b432aa
3. 0xff7bf4de5d89a5f27dd2978149a3d2dcbdd7e04af9a9134daf92d11620e3cf52
4. 0xc9f766df5c4d01265e87537fed458591823ec4208aa0947e0189a3a14b1bac8e
5. 0x10c0218b4d7763dbcba4f2753e0fa4ef449970097e3d123325c07a42ccb76ed7
6. 0xf4e5879daa90fdd503dcdd5e918d2cf501605251ceaa7599811ac1186bd1a0f5
7. 0x1db8593679f7d49fc63a37008d5c6f631caf9ec169a7474d76b1e2e4a2997bcc
8. 0x88e7e554fedbc66d9ee590f8c305c53cadff8cfda1288c4fb9f479b5da2fe7cc
9. 0x68f68f54015031efa1b7022ff8502a6777a5d3e8998608140aefc55f9750cecc
10. 0xac430a10128ea181fbc608a01eb8ea56d79c742508b68f76d3f70de342cdd3b1
11. 0xbc4322dd7392b11789881310b699a3d7442af1c88461565c0c16a51a42634a3f
12. 0xe2f1e06c1f8b80b2ba77c1ad36ffa2d2f532348c60e80191efe42076fc1b6735
13. 0xf16c67f95ffdfd6dd2607c7f45e2998cc3d8484d81e01ebd37215bcbf3f66112
14. 0xfd10c7ee22418679d618a048206ccbf1219e97c4af44a5180884b0b3d02c18e8
15. 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1