Signature verification

AI Crowding Switch Shows Discipline but Limited Alpha

Run 3e81292c-767d-40a1-950c-d5d2b94d1b31 · signed 1/7/2026, 6:25:26 pm
Signature valid — memo authentic & untampered

This memo was produced by Attevia. Every metric, weight, thesis stance, and hash on the public page matches the bytes that were signed. If any character had been edited after signing, this check would fail.

Signature
Algorithm
ed25519
Public key fingerprint
wRKTmyEG59lkKWt3
Server public key fingerprint
wRKTmyEG59lkKWt3
Message digest (sha256)
b3d3a32242abe690782f27fad3e1ca5d4a961845907f39f4de6ddf1173d0e837
Signature (ed25519)
nTq1EAowtTvLwFdvhMsnfqGhUOG9TftumM-n0cgwAYZypLLJ5o835kDQTaCpsXiSJNWjdUxdFJ6tZLjLG13uCA
Canonical version
1
What was signed

The canonical message below is a deterministic JSON of the run id, creation time, thesis sha256, strategy spec, sorted weights, and all key backtest metrics. It is stable across servers, so any third party holding the public key can verify the memo offline.

{
  "v": 1,
  "runId": "3e81292c-767d-40a1-950c-d5d2b94d1b31",
  "createdAt": 1782930112757,
  "thesisSha256": "17351958f762b4572f5b24fec6763c5fb0b1047b70f91661d427c70f82a08c9c",
  "strategy": {
    "name": "AI Crowding Regime Safety Switch",
    "allocation": "regime_blend",
    "rebalance": "weekly",
    "benchmark": "SPY",
    "universe": [
      "BIL",
      "GLD",
      "NVDA",
      "QQQ",
      "SMH"
    ]
  },
  "weights": [
    [
      "BIL",
      0.3663
    ],
    [
      "GLD",
      0.144136
    ],
    [
      "NVDA",
      0.141459
    ],
    [
      "QQQ",
      0.199098
    ],
    [
      "SMH",
      0.149007
    ]
  ],
  "metrics": {
    "sharpe": 0.9975,
    "sortino": 1.0741,
    "annualReturn": 0.1552,
    "annualVolatility": 0.0996,
    "maxDrawdown": -0.1328,
    "cvar95": -0.0142,
    "winRate": 0.5372,
    "totalReturn": 1.7396,
    "startDate": "2019-07-01",
    "endDate": "2026-07-01"
  },
  "memo": {
    "title": "AI Crowding Switch Shows Discipline but Limited Alpha",
    "recommendation": "hold",
    "conviction": 3
  }
}
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Verify offline

Fetch the Attevia public key at /pubkey, take the canonical message above, and run crypto.verify(null, msg, publicKey, signature) in Node, or use any WebCrypto Ed25519 verifier.

Algorithm: ed25519
Encoding: SPKI/DER · public · base64url
Canonical: JSON v1