Evidence row 50681

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/sip64-len/mcp"
    ]
  ],
  "name": "SipHash-2-4 hex length, input discarded",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-11T03:01:25.813835Z",
        "status": "active",
        "statusChangedAt": "2026-09-11T03:01:25.813835Z",
        "updatedAt": "2026-09-11T03:01:25.813835Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "SipHash-2-4 hex length, input discarded",
      "name": "io.github.sadri-dridi/sip64-len",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/sip64-len/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "SipHash-2-4 hex length, input discarded",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "SipHash-2-4 hex length, input discarded"
}

What the leaf hashes

{"body":"1a2c71c0d359b00fd9e3b92f740075b5c9d6873279195644c47ea3f4ddadec7c","id":50681,"kind":"listing","method":"baseline/1","observed_us":1793025416294794,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/sip64-len","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. 0x9d653539189225cd7d7ecd20760070c006c92e930ecf7d80868343c966ae0427
2. 0x5b5d417871d09aa20292b4367ad7fb3ca548b8d511dc176b2b129e545c484e7d
3. 0xdeed0e6eafd0a65df292a4afb112317066054206b97ef96142c11e2d6d2308b8
4. 0x72f35ef6313d28f5bb5fd0664fd913cb671bbf2b1d484ba64dc9990cd04a1d19
5. 0xdd1f9e5d1a8f5b5468ce36d0c8255365289ae833c63cee737c8defb8677d89df
6. 0x973191cbd76acdebee71229a8615e1003cd9202293218273f117277e0eeb499d
7. 0xe17c4b9e10b1e5af1854f4cbd7b9bc3c952aff086eb18517dc75e8cfe063bb68
8. 0xa65d407efa6afee858ca4d850b16839919aa5004b048689e4cf71ced84c7def4
9. 0x1c9efe42e507e5229e18e73e094e9f0aab3cb387828c7e33a53be550c676e4f5
10. 0x76f7db8632e242ae6ea1dd18963ee2f7db2ce4bf8b0d87a280492cce08baa2cf
11. 0x351390dbbaa59bf254610c44de6ad39906ad2c226e8f737f7d774c0b9d382abf
12. 0x73cca5e5ba14c0aaa799d5324b89eb846e3c5546aab3b2cda0c05c5eeaa03168
13. 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae