Evidence row 44490

What was observed

{
  "endpoints": [
    [
      "web",
      "https://fairseal.io/"
    ]
  ],
  "name": "io.github.ned-del/fairseal-mcp-server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-19T13:42:32.725577Z",
        "status": "active",
        "statusChangedAt": "2026-08-19T13:42:32.725577Z",
        "updatedAt": "2026-08-19T13:42:32.725577Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
      "description": "Verifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API).",
      "name": "io.github.ned-del/fairseal-mcp-server",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional API key sent as Bearer header (live API currently requires no auth; any placeholder works).",
              "isSecret": true,
              "name": "FAIRSEAL_API_KEY"
            },
            {
              "description": "Upstream API base URL (default https://api.fairseal.io).",
              "name": "FAIRSEAL_API_URL"
            }
          ],
          "identifier": "@fairseal/mcp-server",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.3"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/fairseal-io/fairseal"
      },
      "version": "0.1.3",
      "websiteUrl": "https://fairseal.io"
    }
  },
  "source": "mcp_registry",
  "summary": "Verifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API)."
}

What the leaf hashes

{"body":"170e7630f4e52d089d4410c7c4ca340f270b358a71f2fc540b1559e44b9e2806","id":44490,"kind":"listing","method":"baseline/1","observed_us":1793025404831158,"prev":null,"subject":"mcp_registry:io.github.ned-del/fairseal-mcp-server","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xd17b92a64319b730486ccdc853c786b2562f869efa1c9d323bd48b7944054dbf
2. 0x0a2b41759fa19eabe57351f0906227780d443b7d2265311f90d9a0acb97c6a1c
3. 0x343e14e79837eef3bd4ef470282a38a281596b9c81276deccd6873b835cbc9b2
4. 0x931d91392fb0e6f73e91b81da096bfd749b0e6ec345be47851d32be62142b596
5. 0xfea9ef86eeb1229f0bd69cd0b6e36f20545cade506fdb9a5dd732fa76f94868f
6. 0x8343b71a0ac0a48c5453855af772ad01d315fd459c27da8dd74cb326df3e1490
7. 0x9dbc5e95905a3a4bfb3835bce7f42bc4559ce4889de0cbe9de5d187bf55f81c6
8. 0xace049bb7f2708819690655f09b08442414740beb2fe9b68abc695c43541c1a2
9. 0x35eb5978e25ac6d537082f4ea6c6a25934ff6c541003e7e235a1eae0751cea6b
10. 0xdefcd4fc2ebdfaa82bec33833639fbb6712ab7a9bb3beafebc53c8b103648d9a
11. 0xcbb746ffeda31ff1f1b0d9f74705fed23a3c2abac5d325d65e8e867a7b5e6307
12. 0xa4ec009cd8db00b48fa2e4df84088950b4d34c37254de09f5e3789441c0c5e73
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae