Signature verification

NVDA Multiple Risk Favors Regime-Managed AI Exposure

Run 199206dc-518e-4ebb-b326-c029f6e39843 · signed 25/5/2026, 2:16:48 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)
72e45c9fddbf773f30f53e9f3bf6310dc99a7708d9edbba79425a9a9627d4bb6
Signature (ed25519)
Fr-5WUHmGOccaBUgc-M2o9E8ckeVreHgVKY0wH8tVPUkBYCCHsi1sqXw6J5p-MhXE5cO5iNImL8jNvRo38hoCg
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": "199206dc-518e-4ebb-b326-c029f6e39843",
  "createdAt": 1779718441980,
  "thesisSha256": "3b2e151b8d554bde4b7b5647f7df7a90a702f2e77e1f30f449a4621f2041fc07",
  "strategy": {
    "name": "Regime Switch Ex NVDA Core",
    "allocation": "regime_blend",
    "rebalance": "daily",
    "benchmark": "SPY",
    "universe": [
      "AMD",
      "BIL",
      "SMH",
      "SPY"
    ]
  },
  "weights": [
    [
      "AMD",
      0.148622
    ],
    [
      "BIL",
      0.352289
    ],
    [
      "SMH",
      0.181571
    ],
    [
      "SPY",
      0.317518
    ]
  ],
  "metrics": {
    "sharpe": 0.9439,
    "sortino": 1.0357,
    "annualReturn": 0.1556,
    "annualVolatility": 0.1184,
    "maxDrawdown": -0.1714,
    "cvar95": -0.0167,
    "winRate": 0.5333,
    "totalReturn": 1.7428,
    "startDate": "2019-05-28",
    "endDate": "2026-05-22"
  },
  "memo": {
    "title": "NVDA Multiple Risk Favors Regime-Managed AI Exposure",
    "recommendation": "buy",
    "conviction": 7
  }
}
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Verify offline

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