Evidence row 25091

What was observed

{
  "endpoints": [
    [
      "web",
      "https://2s.io/"
    ]
  ],
  "name": "io.github.2s-io/mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-21T13:35:11.239223Z",
        "status": "active",
        "statusChangedAt": "2026-08-21T13:35:11.239223Z",
        "updatedAt": "2026-08-21T13:35:11.239223Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "575+ agent tools: data, AI gateway, storage/queues/watchers. x402 USDC, no keys, usage billing.",
      "name": "io.github.2s-io/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "EVM_PRIVATE_KEY"
            }
          ],
          "identifier": "@2sio/mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "1.82.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/2s-mcp",
        "url": "https://github.com/2s-io/sdk"
      },
      "version": "1.82.0",
      "websiteUrl": "https://2s.io"
    }
  },
  "source": "mcp_registry",
  "summary": "575+ agent tools: data, AI gateway, storage/queues/watchers. x402 USDC, no keys, usage billing."
}

What the leaf hashes

{"body":"ae0d786d0de5cff5c5eb213eed3fe0aec59003312498601995d8821db86769a2","id":25091,"kind":"listing","method":"baseline/1","observed_us":1793025354208693,"prev":null,"subject":"mcp_registry:io.github.2s-io/mcp","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. 0x53085e1556976ebf664f539a732cb9e67d93a8b30be02008948b7412cfb6a6f3
2. 0x4c96137a1bfa89aeedce4b94f6ca3ddd058b11eaa33ebfe119ca47b0cba9bae2
3. 0x11b1a375d31e13da29c674095c1cb9dbe216d11af620970884aa1672d7f5f153
4. 0x8540dbaeb82bd8e5f916a1d05207fc837eb2b45bb6a427740a28426941ff43eb
5. 0xd20779bba772d84dd12a56849829ab9c74f96029cb7b4717040ae29ab1b49678
6. 0x07b04865fe2be486caaf274e351e6db6b8ee0a3b1545c507efa3a383609f850e
7. 0xfa3d35a26be1591001ab36e612edfefa88b564ac5f5daeb695069b3e5f0f1a0f
8. 0x82c49e583751a4bfde817c5c4ece3737ede9d783674314d506e27334ca62ae08
9. 0xe47c706093c519af3f971455b74f1c450f524054e64337cda55a106bf57363e5
10. 0x72bd13c090ca80e7870affede013ba3445a9ce90177c8d0abe389b26f526682c
11. 0x11ae5fc5d08fb7b25beace35e67656980e21edfc94e809110b5b9ecae306b6c8
12. 0x94dd4ed7cf198df741ccda83eacc422aadb31119fc6e84c4a6d2f023453b7960
13. 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae