Evidence row 45329

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://contract-guard-production.up.railway.app/mcp"
    ],
    [
      "web",
      "https://contract-guard-production.up.railway.app/"
    ]
  ],
  "name": "Contract Guard",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-30T13:33:22.484052Z",
        "status": "active",
        "statusChangedAt": "2026-09-30T13:33:22.484052Z",
        "updatedAt": "2026-09-30T13:33:22.484052Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "ard": "https://contract-guard-production.up.railway.app/.well-known/ard.json",
          "live_billing": false,
          "openapi": "https://contract-guard-production.up.railway.app/openapi.json",
          "product_state": "EXPERIMENT",
          "raw_payload_retention": false
        }
      },
      "description": "Deterministic JSON Schema validation with exact violations and conservative type normalization.",
      "name": "io.github.othepro211/contract-guard",
      "remotes": [
        {
          "headers": [
            {
              "description": "Contract Guard API key. Free trial keys are available from https://contract-guard-production.up.railway.app/v1/trial-keys?source=mcp-registry",
              "isRequired": true,
              "isSecret": true,
              "name": "X-API-Key"
            }
          ],
          "type": "streamable-http",
          "url": "https://contract-guard-production.up.railway.app/mcp"
        }
      ],
      "title": "Contract Guard",
      "version": "0.1.0",
      "websiteUrl": "https://contract-guard-production.up.railway.app/"
    }
  },
  "source": "mcp_registry",
  "summary": "Deterministic JSON Schema validation with exact violations and conservative type normalization."
}

What the leaf hashes

{"body":"ab683b34ea7fa3bd3e96863290e50679861cea3bd565dd4f62c9c02b9bd2af79","id":45329,"kind":"listing","method":"baseline/1","observed_us":1793025406261905,"prev":null,"subject":"mcp_registry:io.github.othepro211/contract-guard","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. 0xdbae366ea9a55914e1e5f0ee9072a772c83def38b52679740ae1c9f968c54755
2. 0x5c51970aff3a5ef78f12071677179990a530ab446067fec8a95b1116cb88f2b2
3. 0x73f4ccbd450db6233db730b8be6ae6aaa7bef8fc9aacb4be4c5f8067eaebfbf4
4. 0x3e070028cf21af081e2bceaf18e586f75409cb9c9165a5164035350454fb15fd
5. 0xd1f8b4b913e7d7f3b61133f76a2c641dd9e1a2eb8a187555d85750ba5c11b122
6. 0xce6c504aa3537a8b585c842383eba6f9f75604d5487968f70de6f360f1bc4874
7. 0xf5be367074160f6e084a3f6b59a06e83b2431438799c65561324bf5c2590abc9
8. 0x563d9e8e38aa6c22cd609c4308bafa00a5cb018d858e5bedfd10adea42d5b406
9. 0x5c99ce30657fb110de3d84dacef5d556df2b651621044b053a709046aff4cece
10. 0x05b88d4894c1a9b590eb6a2fd334630f0ce15ff2f7464f18f51a0d81007464e7
11. 0x7ec512db50ffb560b82f17e53667bcea802a69de4d98e67a44363985fac7f4da
12. 0x4b7a7525bd11eaa3154ce1b1171d1b54b83370163f39203e230c520e42560c4b
13. 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae