Evidence row 512315

What was observed

{
  "endpoints": [
    [
      "web",
      "https://alion.io/developers"
    ],
    [
      "mcp",
      "https://alion.io/mcp"
    ],
    [
      "mcp",
      "https://alion.io/mcp/oauth"
    ]
  ],
  "name": "Alion: company, startup and market intelligence",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T15:38:56.480724Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T15:38:56.480724Z",
        "updatedAt": "2026-10-27T15:38:56.480724Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Live data on companies, jobs and pay, plus people open to offers: find, read and message them.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://alion.io/images/favicons/android-chrome-512x512.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "192x192"
          ],
          "src": "https://alion.io/images/favicons/android-chrome-192x192.png"
        }
      ],
      "name": "io.alion/alion",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer <API key> from https://alion.io/developers/keys, paid from the account credits; or connect https://alion.io/mcp/oauth and sign in.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://alion.io/mcp"
        },
        {
          "type": "streamable-http",
          "url": "https://alion.io/mcp/oauth"
        }
      ],
      "title": "Alion: company, startup and market intelligence",
      "version": "1.3.0",
      "websiteUrl": "https://alion.io/developers"
    }
  },
  "source": "mcp_registry",
  "summary": "Live data on companies, jobs and pay, plus people open to offers: find, read and message them."
}

What the leaf hashes

{"body":"2fb207c9095fb043d7ed90c8e983323fd2b016d5147dcb00c814e5b201ad3256","id":512315,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793118544384169,"prev":24631,"subject":"mcp_registry:io.alion/alion","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. 0xbacd46bfc8623569c79cce63646c4ce582b18db082e26864da3833fd81bf0e18
2. 0x266655e2078d50dd99675288dcd8c79a7d931fe9793fff65d04c00aa48e99cb7
3. 0x4d0ac55e68ac8d101b91338f68510f5e173f2d473daa54eb694a0a339d35b7f0
4. 0x42b13f08422d9701f056b5453e995d1e3e9493b7966f5bc2e7564cb05fdb7fd2
5. 0x121475fdf9313cc486243eeefaba567e37aaa2ee9b847c2f1abc77e4fdf06b6b
6. 0x91719dae6dab00de3fddb072d63efa82dc06e8d239ed332c60100591b767fc98
7. 0x7ce0ba050c5ee26162f052d02dde6b54538a5d0731040b3715e5a097196a83cd
8. 0x5585ab77addcd0e3856bc12bc09f417f8e797db63142afb513dbbb70753c3b08
9. 0x1d9760bb6964cb4bbad05d942ac14639e177a77847cc0474f5dbb6ef2c6b03e7
10. 0x3839a00511425e2311022a6cbd717fe230ee11ccbd5f5543fb856669c4702868
11. 0xd6823394a586c9d55a19483a1403c3240e4e09369de393b2acf0f7eaa1c8238c
12. 0x5942c2574ffacd0c039c3cd1147d5ab0b6d34e0278203065ce21c437ae2a392d
13. 0xa4f69e2cf941a3f318d70734b59401dd27010a6bdffb5c32a28304db650a6f0b
14. 0xa453d1738637a5c663802d07ce095aa340c80d53a4288ae277a72e265868ce4e
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4