Evidence row 781221

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/xlsft/ymcp"
    ]
  ],
  "name": "YouTrack (ymcp)",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T16:53:21.367935Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T16:53:21.367935Z",
        "updatedAt": "2026-10-28T16:53:21.367935Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "YouTrack with your login and password: the built-in tools plus deletes, sprints, history and reports",
      "name": "io.github.xlsft/ymcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Instance root, e.g. https://youtrack.example.com (no /api)",
              "format": "string",
              "isRequired": true,
              "name": "YOUTRACK_URL"
            },
            {
              "description": "YouTrack or Hub account, LDAP included",
              "format": "string",
              "isRequired": true,
              "name": "YOUTRACK_LOGIN"
            },
            {
              "description": "Password of that account",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "YOUTRACK_PASSWORD"
            },
            {
              "description": "Empty for HTTP(S)_PROXY, none to connect directly, or a proxy URL",
              "format": "string",
              "name": "YOUTRACK_PROXY"
            },
            {
              "description": "Tool groups to serve, e.g. issues,articles or -api,-agile",
              "format": "string",
              "name": "YMCP_TOOLS"
            }
          ],
          "identifier": "docker.io/xlsoftware/ymcp:0.20.0",
          "packageArguments": [
            {
              "description": "Serve over stdio",
              "type": "positional",
              "value": "serve"
            }
          ],
          "registryType": "oci",
          "transport": {
            "type": "stdio"
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/xlsft/ymcp"
      },
      "title": "YouTrack (ymcp)",
      "version": "0.20.0",
      "websiteUrl": "https://github.com/xlsft/ymcp"
    }
  },
  "source": "mcp_registry",
  "summary": "YouTrack with your login and password: the built-in tools plus deletes, sprints, history and reports"
}

What the leaf hashes

{"body":"2f7bfbc893d9f2f1993b7b0b15c1c036f0804d6c339119c7ca0f81decced2a74","id":781221,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793207463507726,"prev":780205,"subject":"mcp_registry:io.github.xlsft/ymcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xfc26761361dcc999d814a5fc173e0af0d2de802c6122a21b3c5db643cd56a3aa
2. 0x2dac63db720b2b4883da28de0ea613d125bbce2dd9616b7830e27e8b85d3647b
3. 0x0f2ac9432f15eac56fcebde5d2dbe988f46164a9a533e82f6a791fc8cfb32af5
4. 0x803d5443dcafc4e11e709afe6bfeb9654a507dd935195b593390477e3f7dd060
5. 0x2b5974317c5189286a9526815906347583f55d97278f9d0a89008f57138c7edf
6. 0xab1fdb68a8a0bd6dc57d64e5bfeaab21fe38ff0d521072d228923a6109af9142
7. 0xc427ea32be3cf23235dc252a9ba08cfa06780fbc4c874c4847f89e9cea922f2e
8. 0xa30609df2ca987869f7ad998d3e0ee286e471b5b8472437dfcaf1883dafa7a74
9. 0xa2e26ae10c646d799ef00e293c0d0a642deff330a2a0722f0a1b79dec5ff2ecc
10. 0x3fe55d8bc3a662426279e7de105cf383a0f602aef717ca6b4bb0ae1ef104661f
11. 0x1ddf9641322d6428e3e9de41adb57d7136ddce6dc0da17358c5a6eaabe810f79
12. 0xa59c67d079bde03c34468ed1e918d981f77e6aa46e278860ea7f57c2607569cc
13. 0x031414b62820da6d87dd5b838d8e9cefadd7e6a5349f46856af4f1ce75c8e6af
14. 0xb807f07a34f6739a39ed03265a4a5a9c71ac45230c37dc44fd915cc90aa287db
15. 0x33bfb51cb957137510d8a1502cd50241c4c0982e2741290f3b8f2d2b1e69de70
16. 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
17. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae