Evidence row 22525

What was observed

{
  "endpoints": [
    [
      "web",
      "https://tesserai.design/docs"
    ]
  ],
  "name": "tesserai",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-27T15:30:03.901583Z",
        "status": "active",
        "statusChangedAt": "2026-09-27T15:30:03.901583Z",
        "updatedAt": "2026-09-27T15:30:03.901583Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Your project's design system for coding agents: tokens, components, contrast checks, guidelines.",
      "name": "design.tesserai/tesserai",
      "packages": [
        {
          "identifier": "@tesserai/cli",
          "packageArguments": [
            {
              "type": "positional",
              "value": "mcp"
            }
          ],
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.2"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/cli",
        "url": "https://github.com/tesseraihq/tesserai"
      },
      "title": "tesserai",
      "version": "0.2.2",
      "websiteUrl": "https://tesserai.design/docs"
    }
  },
  "source": "mcp_registry",
  "summary": "Your project's design system for coding agents: tokens, components, contrast checks, guidelines."
}

What the leaf hashes

{"body":"41d4db03f4b274ec16d85f1fbcc3bde6b2106c6c1083790e3b701595bb6d42ac","id":22525,"kind":"listing","method":"baseline/1","observed_us":1793025349404225,"prev":null,"subject":"mcp_registry:design.tesserai/tesserai","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. 0x7017c283cc5148b363d5549e34d7413576566d2b2a468a8db0dd800baee9c3a3
2. 0x58fb84ad87f74b3402aed30f15e6c06a7a3d3a96fbf7f8fe52e765722bbd7f4b
3. 0x570beb9c12b2855359ec51f0ac869062dba36ec21f10fbe981fa015277444d31
4. 0xc71dab9ec267cacf64573c2036d39636e55e03a2baf6df38b60b6c8cbc278856
5. 0x79edccea238d81e58c497ece4bd850d234654da72a384399203e460e27368798
6. 0xfa1653a082e0c70b61b252d745e1f0e482d69bf50b7a7db2ab289285a49fa9f7
7. 0xdf1292f10b7093343223cd258ffa865e520f39d5e478f1805a11e86b42af2bcf
8. 0xdd624ae3670b57347607d5c928d540e02c9b142952286aa599160c547b3ae01c
9. 0x880dd3b83e54407a49b3a4717c1031e42ce21a8b91688fc932b162fcbdcbfa09
10. 0x19792535bf1364a9338820b204b05ce0f6bf3690fa1496a73e82726a450f66c4
11. 0x83da3d3b0ffc00454b09f0b6f54a0a4bb8b5fabd87854d6bb2d7abda681b5d72
12. 0x5be1d69fd9353c3a75685caffea8c98e8f079f5072011c82517cc5f365ba32f8
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae