Evidence row 11417

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://catalogo.blucher.com.br/mcp"
    ],
    [
      "web",
      "https://catalogo.blucher.com.br/"
    ]
  ],
  "name": "Catálogo Blucher",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T13:58:51.321641Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T13:58:51.321641Z",
        "updatedAt": "2026-10-26T13:58:51.321641Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Livros da Editora Blucher: busca, edição, preço, ementa / Blucher books: search, prices, syllabi",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://catalogo.blucher.com.br/icon.png"
        },
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://catalogo.blucher.com.br/icon.svg"
        }
      ],
      "name": "br.com.blucher/catalogo",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://catalogo.blucher.com.br/mcp"
        }
      ],
      "title": "Catálogo Blucher",
      "version": "1.0.0",
      "websiteUrl": "https://catalogo.blucher.com.br/"
    }
  },
  "source": "mcp_registry",
  "summary": "Livros da Editora Blucher: busca, edição, preço, ementa / Blucher books: search, prices, syllabi"
}

What the leaf hashes

{"body":"06adbfd448eb2e6cc1104717b4236e3e1c431d4f099f7770b4f35bdfc8836540","id":11417,"kind":"listing","method":"baseline/1","observed_us":1793025302122354,"prev":null,"subject":"mcp_registry:br.com.blucher/catalogo","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. 0x583f02635512e7266ea0c78ca9fddf6d067609c6b4df7a9727c1b038701aef6c
2. 0x9ba5b52c5f0978d8b19d30925486cc198120048db12f28390eb949987ef85c7a
3. 0xc18fa12c72d420b6e72c98cab98b6281a670739d2915a4bde0ae262ce85f3a58
4. 0x2894362905926ca21663b17443379056d210dd3ddb4c091c50357d1f399b9599
5. 0x3acf475aca2eacc4baaf4ea3cc8a01da92a29da7ae3712391124715063a8f411
6. 0x26e00a63943ddda7f761d2b18b21f0f82cc842c29a28909457df6b0c1d29ed3d
7. 0x12d307319fa7a8bfcd1cbfe3e59b851e96b4910f5f9690ff50cb3f521a59a1c3
8. 0x96bb9ca724aa420578ebb1c48b7544b016bc44d7d61700fc48ec39aa48934b3b
9. 0x269b9096d0604ea79f487040804f7794785a2c21c4b2755a2a58fd0bab2d5376
10. 0x7ae162dcc3142c20e9800f624edcd459f9a47b7db25601e5e24164992c46399a
11. 0x86f49d35fee840c62060e3a6cbc75237dbfdc70dd7439506d3f085c9cca8e4f2
12. 0x01ecb94c2efbfb8e9050ebbd813fbba80bbcbc345f98de707345bc4bc88c94e8
13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae