Evidence row 25219

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/A1-x-Tech/mcp-yandex-audience"
    ]
  ],
  "name": "Yandex Audience MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-18T22:29:14.954203Z",
        "status": "active",
        "statusChangedAt": "2026-08-18T22:29:14.954203Z",
        "updatedAt": "2026-08-18T22:29:14.954203Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "MCP server for Yandex Audience API: segments (CRM, lookalike, pixel), pixels, grants.",
      "name": "io.github.A1-x-Tech/mcp-yandex-audience",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Yandex OAuth token, sent as `Authorization: OAuth …`. Treat it as a secret.",
              "isRequired": true,
              "isSecret": true,
              "name": "YANDEX_AUDIENCE_TOKEN"
            },
            {
              "default": "https://api-audience.yandex.ru",
              "description": "API host override (https://api-audience.yandex.com for international accounts).",
              "name": "YANDEX_AUDIENCE_API_HOST"
            },
            {
              "default": "60000",
              "description": "Per-request timeout in milliseconds.",
              "name": "YANDEX_AUDIENCE_TIMEOUT_MS"
            },
            {
              "default": "3",
              "description": "Retries on 429 (5xx/network retried for GET only).",
              "name": "YANDEX_AUDIENCE_MAX_RETRIES"
            }
          ],
          "identifier": "mcp-yandex-audience",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.1.1"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/A1-x-Tech/mcp-yandex-audience"
      },
      "title": "Yandex Audience MCP",
      "version": "1.1.1",
      "websiteUrl": "https://github.com/A1-x-Tech/mcp-yandex-audience#readme"
    }
  },
  "source": "mcp_registry",
  "summary": "MCP server for Yandex Audience API: segments (CRM, lookalike, pixel), pixels, grants."
}

What the leaf hashes

{"body":"a699d2b4c07a3a57e8616571fdc304a53f41eb4acaf7b2f362760a4980eeb08d","id":25219,"kind":"listing","method":"baseline/1","observed_us":1793025354342543,"prev":null,"subject":"mcp_registry:io.github.A1-x-Tech/mcp-yandex-audience","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. 0xcf43d976a9bf3149a0e872c52d7c99cfd09be61329ee341d2e2e864ec23d01ee
2. 0x6d69994030e62b8392fdc637302b34fe2252a8e294cc1ddda988e331a5c119e8
3. 0xb6e5d2cbc16e02cf8a6065937b54985b15363340a9e6caeb6044873561a65c40
4. 0xb3c877661c15ea582ad48a0e48640b10d7c6d4d6c0ce1e65478c20886841fae1
5. 0xb21206eb3d1796be62004bc2455d0367ad85068462c7d55de66a2d47061ee466
6. 0xa73f8575c68c8ae3c7df5c75f63816adf8df5298332b6a9cceffe14c127ecd8d
7. 0xcd1ffd961fb817c85287d0145a659eef2b6a26f398d609264045dee54ec34070
8. 0x3e8d0f97e1f920a1cf4d72dbff493dbb14c9d4eb5f1a99ac832ffdd74312167b
9. 0xd9144ff9b4aa9bef9059244c38ed5bc666a8c517855db69a2e2c6d406ea5aa5c
10. 0x0244cbadd0e376dcf6cef79a0029830243a55cdb0c50f8a6794baf68150f943d
11. 0x207f4447ed1f515deb649bcfed4e5e49ab2ac52233bfac09df6fa492c34ac758
12. 0x3f401930661bff9a668037b662b5b8766fa60035f100a3e9fc585c576d892ffa
13. 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae