Evidence row 56795

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://safetychain.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/safetychain/"
    ]
  ],
  "name": "SafetyChain MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T06:56:25.418787Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T06:56:25.418787Z",
        "updatedAt": "2026-10-26T06:56:25.418787Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read SafetyChain food safety records, CAPAs, forms, suppliers, items, locations and equipment.",
      "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/safetychain",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://safetychain.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/safetychain",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "SafetyChain MCP by usefulapi",
      "version": "1.2.0",
      "websiteUrl": "https://usefulapi.io/safetychain/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read SafetyChain food safety records, CAPAs, forms, suppliers, items, locations and equipment."
}

What the leaf hashes

{"body":"621cd106c15b58da755ab28c27520b0708a982f7a2a760b0d3b503f88dc007eb","id":56795,"kind":"listing","method":"baseline/1","observed_us":1793025440817784,"prev":null,"subject":"mcp_registry:io.usefulapi/safetychain","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. 0xa88df73f2330b8ac77b554ce3b4651db8a61fdc57d83dca00494cd7e26bbacb8
2. 0xd8623239e4a8323f4ce094f8873818e07556ca72698eab12474849728921bcaa
3. 0x6e90e5bc0b6a342f031e511ff12419ccdc1fec476669087595978d63bae41b69
4. 0x060d71dee6f98ae1cf2e0f6c828088c07d37c3148a85969e225b542a66ac8cd0
5. 0x2a256e4060641d30442cf694dc0825609c701575d349ac7bad74814a83eacc30
6. 0x03abedcbd864a36112b8ae12a3cab3ee86751f8136564e27de1019bad8f426dc
7. 0x855b3279af93a6e0d37411225a81f0b2b621dd574d6b65716fabea10fc662e7b
8. 0x04225a34cc282b0f4adbda41158adab81b49b55d0c8ad0dd26e37d1c1f12c138
9. 0x53137a6629afc85f333af9fc977add7ac420c7563a978538d0126b6a5a86536d
10. 0xfd8f2e7fe993511f65aa0968b5038659340f72883448aed02c2c9b4bb27c71f9
11. 0xe5e83afe0ce08c2497f8492757a4767cf2409aaae2061487f80e1d45646872f8
12. 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae