Evidence row 54128

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.modelspec.dev/mcp"
    ],
    [
      "web",
      "https://modelspec.dev/"
    ]
  ],
  "name": "ModelSpec",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-15T03:12:52.440529Z",
        "status": "active",
        "statusChangedAt": "2026-10-15T03:12:52.440529Z",
        "updatedAt": "2026-10-15T03:12:52.440529Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Find AI models that fit a job from your requirements, sourced benchmarks and real cost.",
      "name": "io.github.turbobeest/modelspec",
      "remotes": [
        {
          "headers": [
            {
              "description": "Required ModelSpec bearer API key. Get a key at https://modelspec.dev/pricing/.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {api_key}",
              "variables": {
                "api_key": {
                  "description": "ModelSpec API key from https://modelspec.dev/pricing/.",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://api.modelspec.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "mcp",
        "url": "https://github.com/turbobeest/modelspec"
      },
      "title": "ModelSpec",
      "version": "b8da9336f3c5a0b56d47987251a29006a5b0487b",
      "websiteUrl": "https://modelspec.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Find AI models that fit a job from your requirements, sourced benchmarks and real cost."
}

What the leaf hashes

{"body":"62561437c4d42dddebe8b88f52aab13e0d429bfcdd079e764b3a4408746251c5","id":54128,"kind":"listing","method":"baseline/1","observed_us":1793025424922266,"prev":null,"subject":"mcp_registry:io.github.turbobeest/modelspec","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. 0x7cdba3765fde043cec9f9bf561c333bceead40e5a95ec6949ef7e81cf39f4c4a
2. 0x128f8a737adba73ed3ef666981ce41a599fabdbed4bddfcbc970815da3445ec6
3. 0x7fd8d277cfb1dc2737022993a4a596b14b5f75aef3c9ddec420af041f09f8514
4. 0x1bf6ecaa01e0b5a8c1a52779a36117d2a214ec5c5aff1dc1db83369989c70d05
5. 0x5885d9d8b4182a1154e7b3f180b04d98290e72b3684016d9b53966206f66f71a
6. 0x475d64bafb9f3ae21d9071567c1c9ed1eedf0df4c225a999d03338a8b4cc1f02
7. 0x97d16742b1c7cfda5eb65e2024d5b5def89ae641eb9534d7be887a5aed550263
8. 0x354bc6b8aeb51bd026e07bfcdee12cbee908417336ed6fb6ca314fa05eafbfc6
9. 0x08b3760a00c7c63570a34f14cb3fff681c9dc8817ae7392edd6927f2dce3759c
10. 0xf0ed0e925a8a7da0329fe426ca59f504fc92f30b2f6f61a5828a859ff9cdb816
11. 0x05b818019343d04f2973b36329a447f88301721891653961b94822610edda553
12. 0x779c77295186b32da6387dfb36d3a76522e7d713472a7cebed7c93529ccc4be6
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae