Evidence row 2118261

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": "2026-11-02T10:59:45.503544Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T10:59:45.503544Z",
        "updatedAt": "2026-11-02T10:59:45.503544Z"
      }
    },
    "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"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/agentcosthub/agent-cost-hub-mcp"
      },
      "title": "Agent Cost Hub",
      "version": "1.0.1",
      "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":"7d766cb243c4999f52e38f74d2cf74a5d202cdf1e8a63f04e33a65d14615ecdb","id":2118261,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793618305952806,"prev":1835904,"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 2026-11-02 (444186 rows).

1. 0x43fc988f9630c77c0de6c99cacd1eaa94bf8379d6c316b1fdad2caad93500237
2. 0x619ff8950d968a5bc65f2419d8c30a9c160bf4436f6d5205b3976edc34cb1f96
3. 0xf3ae6d6adb789e63303775cdf4f9fd1d8b7dc3d5ea97e25a948880746e57278e
4. 0x57d3d6ca45ed8d6cb984ce08c4428e1fe49298d8736b90ad3fd3d4ce75856279
5. 0xdce99b42dadf44ab051c49857fb80ff8a8cc4957f5c21fac71e25c6f2260d61e
6. 0x1e06647412ce39046977a95fc7ddaf381ee3fbb7e4b935ac348073f4fd1704a6
7. 0xcdafce8f18b5ad2b664e4b9b9f8f0c6a89a0967fd0b3d72d4cd7906001d4231b
8. 0xfae003a1280ee7878d6d03908a28b26e954475d6985be13f2ed65ffa65bdffcf
9. 0xeab2bda937fd13377420587dfc4656128ef7ebadb61e9db10576ad3c87a471f0
10. 0xb4ebca4edd2b1af8e104bd949a8d9fc862f07f960fd5488877571fe5a05145bd
11. 0x32d8aa50bdb63c965d4627f30c8584b5b109ccd5950b3ed3d307ea75d46ed970
12. 0xe92478cc3eab4cc4c9e8fd5dbc3001cb0971587042ed8624c5712d5ceb777263
13. 0xd4651434698f4d5f8d2255b9d81f1cf47a7c3da7e2321b09b05fc8ddc31165a2
14. 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af