Evidence row 54343

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usekaval.com/"
    ]
  ],
  "name": "Kaval",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-10T23:37:52.399857Z",
        "status": "active",
        "statusChangedAt": "2026-09-10T23:37:52.399857Z",
        "updatedAt": "2026-09-10T23:37:52.399857Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Verify the facts an agent's action depends on before it acts — ALLOW, REVIEW, or BLOCK.",
      "name": "io.github.usekaval/kaval",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Bring-your-own Kaval bearer key (kv_live_…). Create one at https://usekaval.com.",
              "isRequired": true,
              "isSecret": true,
              "name": "KAVAL_API_KEY"
            },
            {
              "description": "Point at a self-hosted or staging Kaval API instead of the hosted one. Defaults to https://api.usekaval.com.",
              "name": "KAVAL_BASE_URL"
            }
          ],
          "identifier": "@usekaval/mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.8.2"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/mcp",
        "url": "https://github.com/usekaval/kaval-clients"
      },
      "title": "Kaval",
      "version": "0.8.2",
      "websiteUrl": "https://usekaval.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Verify the facts an agent's action depends on before it acts — ALLOW, REVIEW, or BLOCK."
}

What the leaf hashes

{"body":"79a52ef65562701fe09278a5f680895e94a708520d9538cc3af4468eb71aa93a","id":54343,"kind":"listing","method":"baseline/1","observed_us":1793025433484286,"prev":null,"subject":"mcp_registry:io.github.usekaval/kaval","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. 0x9254c4ac484f40a5a5c62acb31be581c04c67b839b761b0b871cdc36ce093f23
2. 0x7b9c53b37f4dac18435321ab959473dce64642ab936b9a31fac57d6a9eadd8ff
3. 0x8df0a9ba81994bb686a9b9234ffde396ad2a51fce944ec88c0fb3e1be55584f2
4. 0x6eb78bcb25b8ce2157eb740e1688001bfcf3e773fc498657285a13587d6f43d2
5. 0x9c6ceb1cca72216c7d20c70349df58dd6acf1a506640bc1e1453a94ebb2f8f93
6. 0x56a32c190ce6db21f0384243d52e358db47ee429ea617bd3bab38b8495570d74
7. 0x6e375247f30a6dcf31148c5bb74f87e560d7938952a57029b0ea7ecf042faf2d
8. 0x913adfa99c24ca6c4a889e5582089594649980e70ba45524a8f9d384900a2d93
9. 0x78027224298b7f4e3eac6887832f9b7f61826747c384f340d4537793eb1d13a7
10. 0x832f34bb008802b110406e880902a2a6955e0c595bbbe020688b9d51bc08dc80
11. 0x316efc275d57dcc035269c8eb6bada510779068882f33960d16f7f84af2b4432
12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae