Evidence row 25199

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/A1-x-Tech/mcp-avito-ads"
    ]
  ],
  "name": "Avito Ads MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-20T22:56:48.789647Z",
        "status": "active",
        "statusChangedAt": "2026-09-20T22:56:48.789647Z",
        "updatedAt": "2026-09-20T22:56:48.789647Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "MCP server for the Avito Ads API: campaigns, ad groups, creatives, statistics and balances.",
      "name": "io.github.A1-x-Tech/mcp-avito-ads",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "OAuth2 client id of your Avito application (grant_type=client_credentials).",
              "isRequired": true,
              "isSecret": true,
              "name": "AVITO_ADS_CLIENT_ID"
            },
            {
              "description": "OAuth2 client secret of your Avito application. Treat it as a secret.",
              "isRequired": true,
              "isSecret": true,
              "name": "AVITO_ADS_CLIENT_SECRET"
            },
            {
              "description": "Ad account id (positive integer) every request is scoped to.",
              "isRequired": true,
              "name": "AVITO_ADS_ACCOUNT_ID"
            },
            {
              "default": "production",
              "description": "Which API to talk to: production or sandbox.",
              "name": "AVITO_ADS_ENVIRONMENT"
            },
            {
              "default": "https://api.avito.ru/ads/",
              "description": "API root override, replacing host and environment prefix (e.g. a local mock).",
              "name": "AVITO_ADS_API_BASE"
            },
            {
              "default": "30000",
              "description": "Per-request timeout in milliseconds.",
              "name": "AVITO_ADS_TIMEOUT_MS"
            },
            {
              "default": "4",
              "description": "Retries on 429 (always) and on 5xx / network errors for reads only.",
              "name": "AVITO_ADS_MAX_RETRIES"
            },
            {
              "default": "60",
              "description": "Refresh the OAuth2 token this many seconds before it expires.",
              "name": "AVITO_ADS_TOKEN_LEEWAY_SECONDS"
            }
          ],
          "identifier": "mcp-avito-ads",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.2.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/A1-x-Tech/mcp-avito-ads"
      },
      "title": "Avito Ads MCP",
      "version": "1.2.0",
      "websiteUrl": "https://github.com/A1-x-Tech/mcp-avito-ads#readme"
    }
  },
  "source": "mcp_registry",
  "summary": "MCP server for the Avito Ads API: campaigns, ad groups, creatives, statistics and balances."
}

What the leaf hashes

{"body":"845d725bc9a3e7c698ac3f0230a1b39e5ff17f084be6d2ea61e0abd84b04b809","id":25199,"kind":"listing","method":"baseline/1","observed_us":1793025354319431,"prev":null,"subject":"mcp_registry:io.github.A1-x-Tech/mcp-avito-ads","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. 0x1fec75daa22ce6536da908aeefdc36194d43332a6794b6646e40c531ad02ebb9
2. 0x0ec76d78c6bd78d9a6b195c3c3c955102dc6b67d91d5a63f5feea03daff4599d
3. 0xcd5c82cd389478b46e844ee263254ab3276c90207e5440d1bf2b9654ef9a16c2
4. 0xe381f25da0a55b3b9345ec2aba5a685e9cd0bfdc21b75c14f32c2da6ff5977dd
5. 0x76eb3e3601aa7b74aa0e4af7f0056718fea76536325352a780afc5534a8ec12b
6. 0xd7dab32a1aa3d28cf25d0a3a82712b2ebfb8cdaa8aff8cc15773cf5d77ba9d6c
7. 0xaedcfccf6fb4879ce95faf110a851d7ed28bab241f901a927bc6be0d34e945c4
8. 0x75f8bc29cb7a948a7a3e7a3e49b0680e1c0d878b458d2a83be070c0178088c9f
9. 0xcc1ea3abb245d9758b8a1a4074ab328fa6379c5aa486f73711637a27a4a12598
10. 0xcb356795c2f871f10302e99d7886dd86ab753d56286c29b6b548252764b8cdca
11. 0xbfd7c325ad90588d62856113d1c0ad99de5d67958ff0f672c892809fd668fffe
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae