Evidence row 31459

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.supplygraph.ai/mcp"
    ],
    [
      "web",
      "https://supplygraph.ai/resources/mcp"
    ]
  ],
  "name": "SupplyGraph.AI",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-21T06:09:34.128658Z",
        "status": "active",
        "statusChangedAt": "2026-08-21T06:09:34.128658Z",
        "updatedAt": "2026-08-21T06:09:34.128658Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Official MCP: continuous supply-chain risk monitoring and early warning, not a one-off report.",
      "name": "io.github.SupplyGraphAI/supplygraph",
      "remotes": [
        {
          "headers": [
            {
              "description": "SupplyGraph.AI API key. Register and create a key at https://supplygraph.ai/zk_chat_os/dashboard/dashboard.html — if you are not signed in you will be redirected to login; new users can register there. After login, open A2A / MCP and click Create Production Key or Create Sandbox Key. Send the header as Bearer <api_key> (one Bearer prefix, then the raw key). Optional for initialize and tools/list; required for tools/call.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.supplygraph.ai/mcp"
        }
      ],
      "title": "SupplyGraph.AI",
      "version": "1.0.2",
      "websiteUrl": "https://supplygraph.ai/resources/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Official MCP: continuous supply-chain risk monitoring and early warning, not a one-off report."
}

What the leaf hashes

{"body":"f8bee73aceae04c6287a9c867354011a7a7f3340280fc887aaadc7fc3827700d","id":31459,"kind":"listing","method":"baseline/1","observed_us":1793025364951662,"prev":null,"subject":"mcp_registry:io.github.SupplyGraphAI/supplygraph","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. 0xb5ad5c774e4519267c6fdcac276ed6803961466c57a1afd2fe428207509803ae
2. 0x7b897b14fdbcbb185dd7de0edf6c5d0430f3c4049812c71c8dbd8e47aac1fe40
3. 0x6b09917626dec98dd3e8d8bb3776bf8b9b6558e195ce982c486f2e7c5b3ff7ce
4. 0xc2074f0a608267c274d28d8526448f9b4de967a79fbc6e91c1d78e33606997b3
5. 0x2db998195cefa66fd27d240ebd5a3c0fb1827b00b7e9802d22e34b5cc15ad789
6. 0x72e61c42629a4b9ab798e029e5359fa6b91dfbbfa0a0a7a63a9bb0a241c283b0
7. 0xcd38ad2c268e261e1645f54682d20428ce8db788240efc286045956f2393f74a
8. 0xa96a1259630d6a381be9b64470d5c008be86aa599249e6467e88fecc99829bc7
9. 0x77da061a5d997367e300fc37c99e3d47e8ed28eca3771a36e29312d8972845c6
10. 0xfa2167cea96987427da9b60b2059258d339fc6e57b778e13e60f342a723ebd0f
11. 0x0f199646652e20987f8f0e4e8bd21993538b0737cd758d5cbc6ebcaaa02763a3
12. 0x7a0f1751de1946feff7d8c8afc737dcc4d35f110809c15aa0fdb8363a9e31b2b
13. 0x0d86419ca1dd0b62fd8b22ea2e8c74d441312cec3116a467bea429b43e026565
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae