Evidence row 22758

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://dulieu.dev/mcp/dulieu-retail"
    ],
    [
      "web",
      "https://dulieu.dev/mcp-docs"
    ]
  ],
  "name": "dev.dulieu/retail",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-18T07:35:13.12199Z",
        "status": "active",
        "statusChangedAt": "2026-10-18T07:35:13.12199Z",
        "updatedAt": "2026-10-18T07:35:13.12199Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Vietnam consumer prices: fuel, coffee, pepper, groceries, drugs, electronics",
      "name": "dev.dulieu/retail",
      "remotes": [
        {
          "headers": [
            {
              "description": "dulieu.dev API key (free plan: 100 calls/day) — create one at https://dulieu.dev/settings",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {api_key}",
              "variables": {
                "api_key": {
                  "description": "API key starting with dl_",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://dulieu.dev/mcp/dulieu-retail"
        }
      ],
      "version": "1.0.0",
      "websiteUrl": "https://dulieu.dev/mcp-docs"
    }
  },
  "source": "mcp_registry",
  "summary": "Vietnam consumer prices: fuel, coffee, pepper, groceries, drugs, electronics"
}

What the leaf hashes

{"body":"0d27f3434ebf458749e948f3e3bdc99ed91398f6d3f3f3166325cf9f39eb65bb","id":22758,"kind":"listing","method":"baseline/1","observed_us":1793025349660653,"prev":null,"subject":"mcp_registry:dev.dulieu/retail","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. 0x48668b7aaf54cb1eb5c0bcec8c1eebea20ab67f5b19dedd3f2b60ef525763c9c
2. 0xfb241085c75cd550c26d5f42c307444461c8b2b34882037c79f93008c2278f76
3. 0xdc84cb064d94933071853fd859f9aec22c13a0110137fceb077aee232b0c2bac
4. 0x31f5a7c08b9e745aefa51818f2ef7ca961c544de14242800082529b2f5f0d823
5. 0x50cc90eed86d38d2c32af5d98662430ea5f7aa946c99c4d8b99047de59ea94ed
6. 0x67d86ff9d1a64a5b0fe6de75f5a5a195b6539f27705b592aa7ab1dac630053d0
7. 0x13940e40e9a4662aaff0e6ad65b50b74b02d6b69ca872c8e1ee3ff3c28f4a9c6
8. 0xf9cdb451b624c0e918f5285425dc2717098da04e36dc751e78d29a2b5a58f005
9. 0x064ae5664a6f6247400a2d7d6130b6f7834a83922110845780acbbe4b2c4c382
10. 0x5310f81ab0ad38d96cec4307f26d3ddc5999c60727b9527b541506c3d5584ae6
11. 0x698f6ba6ffdd19057a2337a8eb71a612a58ea57160b0993c65313b7a3f2a2956
12. 0xae3550e71ca4b0f0b86c9905b234388d6bc01a22e52324fb1ee62a553273a1fe
13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae