Evidence row 443182

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://linear.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/linear/"
    ]
  ],
  "name": "Linear MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T08:34:50.94302Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:34:50.94302Z",
        "updatedAt": "2026-10-27T08:34:50.94302Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search, read and create Linear issues, projects, teams and cycles.",
      "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/linear",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://linear.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/linear",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Linear MCP by usefulapi",
      "version": "1.25.0",
      "websiteUrl": "https://usefulapi.io/linear/"
    }
  },
  "source": "mcp_registry",
  "summary": "Search, read and create Linear issues, projects, teams and cycles."
}

What the leaf hashes

{"body":"396ba4b73a368d28157bac5ae1247693a7d68d46a36e5004513170dca3cc347f","id":443182,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093258459957,"prev":56690,"subject":"mcp_registry:io.usefulapi/linear","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. 0xbc0e282f81a61694dfe24fb2dce847b9c1fe8beb28db8b3776ff7f1872b89821
2. 0x23076eb7bfaaacada5cf3afd72c8b24608daff6bbce513bb9b88684d88ca4ab8
3. 0x0eb55ced1c04d6f6c04884014ea53c3d2321396a97a8ca37421f6509b88261cd
4. 0x120ab781b26c27fd3b85bc28e19d0862e9e153c13a787c63201e1a1a5e48366d
5. 0x257117c77ccb812bba29252325ac70c58fc50e3b197932c35f8d47efe8b05ad1
6. 0x487e4ebd541ab8b1c06a5b8d3c613e72a4f4ba9efbeeef565033ad895895978f
7. 0x306382934d2fbac098583450a3dd1d9b9bb828c35fb532b6f3cab3689aa6f498
8. 0xfd108acf214d946ed37598d5cc67cd56fcc5af21c9a2d695d7308162bb1a8c00
9. 0x7e4f337e232d083c60cf56c736be507ae26ab250e1a1fff0da5f85d86f4ab06e
10. 0xceddd91198346d4e25e9587afd70730c8c05d560c735024fa28855d7b3e39561
11. 0xaf79bfeaa8b78c501b6b72d2abd133b4a8958ea976a4458f01d1f54590268c1e
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