Signature verification

Rupee Strength Switch Shows Returns but Limited Edge

Run a4419c2a-1ca2-4be7-99b6-ee5add692667 · signed 24/5/2026, 8:22:51 am

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)

3f2cdab4a75ea589bc649dff581790f777800e12b39f07df8ef39727f4e30420

Signature (ed25519)

Op-DU68kjyqxDNfx5gUZB8n1p-m8YFWewu4ALhFbfCf-Qs0-s2NR8DslA1FTPSr70PVHUDoaX6xBVsJEx_2tAA

Canonical version

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": "a4419c2a-1ca2-4be7-99b6-ee5add692667",
  "createdAt": 1779610755540,
  "thesisSha256": "838945ddcba68cec7e321fb9dec9a7af682c1a20b89ad9c18f31c52b6e96a6de",
  "strategy": {
    "name": "Rupee Strength Domestic Regime Switch",
    "allocation": "regime_blend",
    "rebalance": "weekly",
    "benchmark": "NIFTYBEES.NS",
    "universe": [
      "BANKBEES.NS",
      "CONSUMBEES.NS",
      "GSEC10YBEES.NS",
      "NIFTYBEES.NS"
    ]
  },
  "weights": [
    [
      "BANKBEES.NS",
      0.247952
    ],
    [
      "CONSUMBEES.NS",
      0.389887
    ],
    [
      "GSEC10YBEES.NS",
      0.063443
    ],
    [
      "NIFTYBEES.NS",
      0.298718
    ]
  ],
  "metrics": {
    "sharpe": 0.6866,
    "sortino": 0.6641,
    "annualReturn": 0.1473,
    "annualVolatility": 0.1609,
    "maxDrawdown": -0.2074,
    "cvar95": -0.0231,
    "winRate": 0.5493,
    "totalReturn": 1.5332,
    "startDate": "2019-05-24",
    "endDate": "2026-05-22"
  },
  "memo": {
    "title": "Rupee Strength Switch Shows Returns but Limited Edge",
    "recommendation": "hold",
    "conviction": 6
  }
}

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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

See the public memo