Evidence row 48209

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.qualityscreener.io/mcp"
    ],
    [
      "web",
      "https://qualityscreener.io/"
    ]
  ],
  "name": "Quality Screener",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-07-06T19:40:24.385185Z",
        "status": "active",
        "statusChangedAt": "2026-07-06T19:40:24.385185Z",
        "updatedAt": "2026-07-06T19:40:24.385185Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Screen and score stocks with the Quality Screener engine: filters, custom scores, and history.",
      "name": "io.github.quality-screener/qscreener",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.qualityscreener.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/quality-screener/quality-screener-mcp-server"
      },
      "title": "Quality Screener",
      "version": "0.1.0",
      "websiteUrl": "https://qualityscreener.io"
    }
  },
  "source": "mcp_registry",
  "summary": "Screen and score stocks with the Quality Screener engine: filters, custom scores, and history."
}

What the leaf hashes

{"body":"51ec85482534fc5a64e33c0deecf796bbfd35586410209a24fdcf9f3e8e08b66","id":48209,"kind":"listing","method":"baseline/1","observed_us":1793025411482222,"prev":null,"subject":"mcp_registry:io.github.quality-screener/qscreener","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. 0x6957a00d9bda2b283a050b8e95bf64cdeb8f79ada07c6baa2ce60967539fda6d
2. 0x10e24020d3c2a80d1d84a9d2ab04a21a7066c00deaef2ad8142856ab8aa75e4e
3. 0xaf8f6e8dddd7269bfa3b1a6dec8190f0ac3cec075df6c647aa7504171d3d4d67
4. 0x679d5accf200248b99b08dfc7fe9d62e7ff576a4ae8385be32b529477be4dbf5
5. 0x83c9b5eebe6f8197c106f8d2256fea98e620b25a8bd54408b973887fa5d171c3
6. 0xa9cd69c183c9b7c2adeb3b6319563ce7e4c32468c1e94292703d0e7c2cf9d64c
7. 0x79e1f3cb00f4e3f2d0ca400ae7965a7697f74951e06091c922d29dbffe80d754
8. 0x580385939287ac745de04399c61aed0a583a9f10147c4146c3cd97643468661d
9. 0x21bdf71b3a09db804a5c59d716175f4181417c4e60229448207e99cd89175c57
10. 0x6b4a90af13dfa1f8aab9268ee64011e6443b055ffb0f0f11e33c1a0847946fc9
11. 0xe8b20383a9232d45872f50d7c4c484b3ffe756328a5a1e2d63218cd46b95695c
12. 0x9483a0a7a066ffc2fb890c8f34dbc91bf373e546e4a3800b76064288b3cc4875
13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae