Evidence row 50437

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/parquet-ok/mcp"
    ]
  ],
  "name": "Parquet magic-byte check, file discarded",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-10T00:54:33.360589Z",
        "status": "active",
        "statusChangedAt": "2026-09-10T00:54:33.360589Z",
        "updatedAt": "2026-09-10T00:54:33.360589Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Parquet magic-byte check, file discarded",
      "name": "io.github.sadri-dridi/parquet-ok",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/parquet-ok/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "Parquet magic-byte check, file discarded",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Parquet magic-byte check, file discarded"
}

What the leaf hashes

{"body":"ed5f9556b41fa731a6753482478a9ddf6bcd051816d355c67f7a00cc690cf366","id":50437,"kind":"listing","method":"baseline/1","observed_us":1793025415280279,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/parquet-ok","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. 0x28354984b2b20d5001a33c87c876226c048fc33167220cde10351122cf505f2c
2. 0x78473837c9bc4b791b26bebaf65548ea0a77d68a50d2c4114f8aa76b6f346f9e
3. 0x17124e1d2af6f716325c9a4fd3f17b4cc9ae52eb3d85a9a96624f488ae98ad39
4. 0x447679a28095baf9c77474723a6f87ba4ecacf878979b5f9cc57889090cdf13a
5. 0xdae6d556f42340cba19b2095753bdde2a66b1fee49ca214a436754090120ca43
6. 0xbd9be3424eeed9296ab3a42cdf994feb1bab773f9463cb1b16d095f57dc7deab
7. 0x316d85f6872ea1cb75247344b610b054597af48402e28127980fd6f172db94f1
8. 0x0cac57b47d23f4b755c3e34ce375b1c285bde5ba12770464232ca4a571ad171c
9. 0x765a547b33e6c90dd78128b1c845297e1ccd846bd7b52128ae52c9e5830c32b3
10. 0x4d8bb16b4aec5841b672df8d199e4352602bcc1a2c03f3991b935d7477eac607
11. 0x29ff42cd28c985738cc9b9746505241162025974e4e3ebf7c6681609002132fa
12. 0x364047261f51ecdbe278514b4f415358118ef4644f7124e15a40f80a86f6a05b
13. 0x16a8fb19a5e4f4535e7cb3fce5c15ecfa188586bb74e347ee71164f8af27dfe1
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae