Evidence row 1835904

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agentcosthub.com/mcp"
    ],
    [
      "web",
      "https://agentcosthub.com/mcp/"
    ]
  ],
  "name": "Agent Cost Hub",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T21:36:44.852879Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T21:36:44.852879Z",
        "updatedAt": "2026-11-01T21:36:44.852879Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "LLM API prices and AI agent cost estimates, verified daily. Read-only cost lookup tools.",
      "name": "com.agentcosthub/agent-cost-hub",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agentcosthub.com/mcp"
        }
      ],
      "title": "Agent Cost Hub",
      "version": "1.0.0",
      "websiteUrl": "https://agentcosthub.com/mcp/"
    }
  },
  "source": "mcp_registry",
  "summary": "LLM API prices and AI agent cost estimates, verified daily. Read-only cost lookup tools."
}

What the leaf hashes

{"body":"ee2c3a19512530465cc10a0e1d1ae162d9f8ed33ee8754fc494af40bad14c9f3","id":1835904,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793571470333058,"prev":null,"subject":"mcp_registry:com.agentcosthub/agent-cost-hub","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xbea8018b3b61ce884367d866e37e2ac10feffe721085362bc00ec6b391f5766d
2. 0x19cadac4f054e599e77493d7ce9dba15c635c0ff9f7783082713eb417d91501b
3. 0xf26957f8f5b23b5ad85ee00109bf729e4890acd08d7a310a907ab34a5cbd70ee
4. 0xf3562860f41e1c6365e0a2fd6cfe4b4256942adb7056f27fb2e049a954e0967b
5. 0xac9c03d35cd950ad0ceecb9bbcd88d6eb8b1aae2afd7cdf8151bd3d6db9a5540
6. 0xedb22be6e24a8977734299f6fc7796d303c435712798d72b8892174ad505a270
7. 0x288c2346f2ab2974d519db8f20e175e18722aed90ddeb504b9f878dc0b87483f
8. 0xe49572e70d24b97426cff6cc55ec0a6a252b8b58b5ed2d61c50e68a02a113205
9. 0xc8b714fe6ca9d9a8f85908f26980dc3faa7033043ee5b61ce7439b04cd140b12
10. 0x4bca34ea74f4b1418acbb2df72ece28dfbbeb633e7b602f5017a4d0ed808deb4
11. 0xff045217d41e4d59ec32fc820dd61456c96716695691b266c9aa6e318acd20fd
12. 0x9b5cd4fa96d6d0487b926b9322bd8aa013529868f6e0eb6ee77b66e4c965e7ba
13. 0xefe564ec44d50e51cc27963590ca317b9c3510aaf30351f2e937c01c07c486de
14. 0x0c6f1e059ed2de7638825ab03396dd843c97d2de1abde6928871cfc5ef085a33
15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90