Evidence row 30473

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.apify.com/?tools=plainfold/sam-gov-contract-opportunities"
    ],
    [
      "web",
      "https://apify.com/plainfold/sam-gov-contract-opportunities"
    ]
  ],
  "name": "SAM.gov Contract Opportunities",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-08T06:51:20.890009Z",
        "status": "active",
        "statusChangedAt": "2026-10-08T06:51:20.890009Z",
        "updatedAt": "2026-10-08T06:51:20.890009Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search U.S. federal contract opportunities (RFPs, bids, awards) from SAM.gov official data.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://plainfold.github.io/assets/plainfold-icon-512.png"
        }
      ],
      "name": "io.github.Plainfold/sam-gov-contract-opportunities",
      "remotes": [
        {
          "headers": [
            {
              "description": "Apify API token as 'Bearer <token>' (free account at apify.com). Optional if your MCP client supports OAuth sign-in.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.apify.com/?tools=plainfold/sam-gov-contract-opportunities"
        }
      ],
      "repository": {
        "id": "1409871838",
        "source": "github",
        "subfolder": "servers/sam-gov-contract-opportunities",
        "url": "https://github.com/plainfold/plainfold-mcp"
      },
      "title": "SAM.gov Contract Opportunities",
      "version": "0.2.2",
      "websiteUrl": "https://apify.com/plainfold/sam-gov-contract-opportunities"
    }
  },
  "source": "mcp_registry",
  "summary": "Search U.S. federal contract opportunities (RFPs, bids, awards) from SAM.gov official data."
}

What the leaf hashes

{"body":"2c2911d1c91329e23dc5906dc657ddb199dfb587f954541fe7120d5337c83e0c","id":30473,"kind":"listing","method":"baseline/1","observed_us":1793025362972646,"prev":null,"subject":"mcp_registry:io.github.Plainfold/sam-gov-contract-opportunities","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. 0xadd13af22d2587f9c731b607ad9f16c9b789afc5b8ba1e4e77996dab27ddb139
2. 0x4a664bc538b59850ad0b7108ad1c21509517cea18e4a620127409f21fa2df8e6
3. 0x95d15b9592a17996a517eda41cbef14a93980efa6fed37c03f00051ab200c2e7
4. 0x8f29e7c5b6570cc2dc6459c2f6a306fee8baac3dc9504d9ff9a1aeef5fe2ab51
5. 0x1f3e93b58984b0bd1799c6800c9fb504fd92d05fb21a47496dbf63612169ef71
6. 0x2587a1a276da6b1ded095efd99866fd32b6e0221f5bfbd9bf72cd88923c21573
7. 0x8d774bd322d3928f61ab5057d70fe09c59e79a88cdc7ae9254f7aadc73c78d51
8. 0x7b4b644ec7ff9f77e50d343b63053d7f49ba509bad243c7e7bdd3988a23e1c6a
9. 0xe393914bf23221a102ead307dfc4cb6235fdd3b5619fe7016b0dc6daa74d1a6f
10. 0xb5688486812d7136b27c2bdbc2ae09bc9ad3ac941f3ea900e81fe9d1958be50e
11. 0x317c51a47b234292d19f812377ad1cc4d05ded07987c4ea1ac9ae1ad2b20f0d2
12. 0x51f06c175a7c946ebe50ef243d6f9370a8fe85c996e53eff19ffcc4585ea8c18
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae