Evidence row 60147

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.fermat.ai.phase.xyz/mcp"
    ],
    [
      "web",
      "https://fermat.ai.phase.xyz/"
    ]
  ],
  "name": "Fermat",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-22T12:35:54.225443Z",
        "status": "active",
        "statusChangedAt": "2026-10-22T12:35:54.225443Z",
        "updatedAt": "2026-10-22T12:35:54.225443Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "OpenAI-compatible LLM gateway: pay per request with an API key, signed receipt for each call.",
      "name": "xyz.phase.ai/gateway",
      "remotes": [
        {
          "headers": [
            {
              "description": "Phase API key as 'Bearer phk_...'",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            },
            {
              "description": "Optional: your Anthropic API key, for Claude models",
              "isSecret": true,
              "name": "X-Phase-BYOK-Anthropic"
            },
            {
              "description": "Optional: your OpenAI API key, for GPT models",
              "isSecret": true,
              "name": "X-Phase-BYOK-OpenAI"
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.fermat.ai.phase.xyz/mcp"
        }
      ],
      "title": "Fermat",
      "version": "0.4.0",
      "websiteUrl": "https://fermat.ai.phase.xyz"
    }
  },
  "source": "mcp_registry",
  "summary": "OpenAI-compatible LLM gateway: pay per request with an API key, signed receipt for each call."
}

What the leaf hashes

{"body":"958ee6b77c52d9787b5bb63d07a6c77ec41d5e381ba75793ab2d99d5c88d5c3a","id":60147,"kind":"listing","method":"baseline/1","observed_us":1793025447982486,"prev":null,"subject":"mcp_registry:xyz.phase.ai/gateway","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. 0x7afcd80c6977d862ed72d187b0f004c48cd5a2525b8a3d96e391a67fe2f66e59
2. 0xe9ebbb9488b5c795cd745669355768704597af57781659fa3cf706547aa348ad
3. 0x737a2278bea8a8d24c4091edddb67d60f20904f34859f5a0be2e0ec6e5ba1447
4. 0x7fc131bf7bf50f84069bf4225793c9119f28e0f7c86d0df33ca0966ca91a2f0f
5. 0x43a5404af0ae4245234175ada24fad85afb57b782b76b3830be6621bd7a5ed64
6. 0x164d510cce3ba9af344ce1a1d36050b6c1d65382c3366c666bf28bd6a279d75c
7. 0x196562712db301f63fb87fd49121d78ad565155c0a4143a91cb6852fd27d9b49
8. 0x128fefa7179eb6b68574aebac765389ee4388b39c197ac15accaa08779300ac1
9. 0x8538b668ed58b72cabc6b99d60f85a3ea2176e1d3ec947794899400b5f19d061
10. 0x227b1846e9338d14a584d945977a59dd6a05f2e84a33212202400515ac9c0632
11. 0xe7152aaccc7d7d5da2d13bc6ee8ec470b8c1a5abe7dfed1431f0ed53ec50ebc5
12. 0xa6406b1a5540d26e0cbd03bb274a01c10968fadb17913a6043bb9427ddfb71ba
13. 0x01c95624b1f2385ef774ee258a9ae58a4df07a1bdaa829de84e1d5201f3f39c2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae