Evidence row 2504869

What was observed

{
  "endpoints": [
    [
      "web",
      "https://absimulate.jacquard.com/"
    ],
    [
      "mcp",
      "https://absimulate.jacquard.com/mcp"
    ]
  ],
  "name": "A/B Simulate by Jacquard",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T02:03:30.434357Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T02:03:30.434357Z",
        "updatedAt": "2026-11-03T02:03:30.434357Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Simulates an A/B test between 2 to 20 drafts of marketing copy and predicts the winner.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://absimulate.jacquard.com/assets/absimulate-icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://absimulate.jacquard.com/assets/absimulate-icon-512.png"
        }
      ],
      "name": "com.jacquard.absimulate/ab-simulate",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://absimulate.jacquard.com/mcp"
        }
      ],
      "title": "A/B Simulate by Jacquard",
      "version": "1.0.0",
      "websiteUrl": "https://absimulate.jacquard.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Simulates an A/B test between 2 to 20 drafts of marketing copy and predicts the winner."
}

What the leaf hashes

{"body":"35a5c533fb38e3109ccdafb41065c4251ac511c9568ca586698bda87c8d89f77","id":2504869,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793672336513086,"prev":null,"subject":"mcp_registry:com.jacquard.absimulate/ab-simulate","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xa9e998b6c5a4378dd47811eb39c678b9be6840e82419d2524e15c785425f7435
2. 0x6fa0260dcedfc3c683dedcbf8e0ef21e8bd05fb98e698b185dd5b6a37419b574
3. 0x5ab9f680b8483dc019684a7c4302660257ff29870f35eb49811efa6a33700431
4. 0xfa9a0a92a1a671b100e3e04554d3962a449a394f644550fada2ec61e85632b72
5. 0x208b68db28f0a542fe53c6fca3f91abae72a1a19345af6caeac165a25defb6b9
6. 0x4bd79ee5144e911ca33a2110946f39e16ffde14bb498156bb6ed093ac894c52b
7. 0x54aaf72755ef0f5e1313f8358b19dcece00bbd8461d025b1cb3ce65f30b103c4
8. 0xf836763f92f29dbbf5340daa5f050399222c482839b55ccd53abae1673686664
9. 0x38de02cdbb62aaf1d38f615ca957109f9923dfcc545887598f15b769f2cee6df
10. 0x5c05f301f55c7471416b7f767d03102104e7d6c20c5d5d857eab52d79793baad
11. 0xb80b9dfc1e960bff1d2cba757d8e1d69ea511b4c77e08dc131e5ea8efcfa284d
12. 0x68ba01882f8cd5f05331ba4c13ed1736bd385302dfe369562d8c8dffb411db04
13. 0x072b3d17bb7341e0a6f5545d34c6714e6464c4add696fb4eda76427e86b03107
14. 0x0ca6f7cbe9f26e47db97b53988aa24d0ac07d16b5a4d91abf869814d4d297de9
15. 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7