Evidence row 20011

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://saymetry.com/api/mcp"
    ],
    [
      "web",
      "https://saymetry.com/agents"
    ]
  ],
  "name": "com.saymetry/saymetry",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-02T11:06:52.337557Z",
        "status": "active",
        "statusChangedAt": "2026-09-02T11:06:52.337557Z",
        "updatedAt": "2026-09-02T11:06:52.337557Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
      "description": "Measure what ChatGPT, Claude, Gemini and 4 more AI engines say about any business. No auth.",
      "name": "com.saymetry/saymetry",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://saymetry.com/api/mcp"
        }
      ],
      "version": "1.0.0",
      "websiteUrl": "https://saymetry.com/agents"
    }
  },
  "source": "mcp_registry",
  "summary": "Measure what ChatGPT, Claude, Gemini and 4 more AI engines say about any business. No auth."
}

What the leaf hashes

{"body":"2d95f81dab9b103cacc579991bc43e5d837ae54b54009a680e05635ce57612a6","id":20011,"kind":"listing","method":"baseline/1","observed_us":1793025335452306,"prev":null,"subject":"mcp_registry:com.saymetry/saymetry","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. 0xa45c8f29a453703ceeefc0c1b850222cf3895da2d1ac4806a910d5044cc55f0b
2. 0xb6a1d233de1aad9622fc2c42afaea1f3d8e6bb991cf1b265530aa563e7f82b20
3. 0x0d1fb200a9729685f93665fb9f9aa80cb640307185e1486ac0b1f54fc849dcfb
4. 0x4c0d191de8a1bfb304a4ea412eaed7fe953f37d5b6376d29bc5037fbf956ce2b
5. 0x3dc52535c65e3c66f8e88ca774cea3a367b615df3fa78b863974529a2be53909
6. 0x59a5c082e6b7c136cefc7cd2e12fb8a4567e020c47bc633c13c4d7ee60bf53b7
7. 0x9bbfb4adbc73dc5da071495186e11fb420f6918a842d4c4ba0d8968689551f7c
8. 0x1348281961d716282c190aa3307240a49d92517cfa8e27f302471b2146d2aff0
9. 0x379dce8f4f81c1da8c228257bf51d1eea95978e6d24e3625a0a38a1edb3348fe
10. 0xcfc41667c7e4033b09b3eb60ac1b4f7735f1d813168ca8ee332b26dbabe469c4
11. 0x63bb18928b05af339d3db18a674ec04120f1a31736f638d4e101d735122f8380
12. 0x21725c62783071369e87d9e0abedb3d8cc37bdab8d0d58308c28aeb7cfd2bc8c
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae