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✅ Cryptographically verified · sealed pick #826

Darwin Olympic vs Port Darwin

Northern Territory Premier League · Australia · 25 Jul 2026, 10:30 UTC

Final score
1 : 0
Result
Won
Pick
Darwin Olympic
Market
1x2
Model prob.
51.8%
Best price
2.25
Min odds
2.09
Stake factor
2.30

Proof this pick was locked in before kickoff

The pick was encrypted before kickoff and published the moment it was sealed to Telegram and GitHub, each carrying an independent timestamp. The encrypted batch is also anchored in Bitcoin — a public record nobody, including us, can alter or back-date. After the match the key is released; decrypting that exact pre-published message reveals the pick, proving it was fixed in advance, not cherry-picked.

Encrypted pick (AES-256-GCM)
K6KAwwH+cz0mvatdA7oJlpzKEiWuCuiiakcrOjUuClIIOphpDdEumdeA9DciWtCmY4hDqK1QfzxDdvJgfWiF6KCrc1AxQvHH5oXpXbq68YOppunEK2tRws/YHu2t/oLasnhHcABdSHpJOmxAfE0HWJhvPrQi6zBuXPsxZdbrsurCNG8bmzqiOa3eX5NfYTnLrzGKfV9MezfNBvX0nUlRd70Xg/4ntXWuahCriHMt1QvGLj924tAfDWCKJr8HX/uI5jgAGUSLGhr4ldez5wsoUaFKH7vqFg6i0qEhUJVbwVMGk2LmwslOrDnTrA6+6t17ifnz9cmVE4fmGXU8e3oabROh7G4h1DuuGJqyH8MJ
key fingerprint sha256: fd0d1d8730726e6b2dee44ec788160145032994a88d8a54bb519da38e50653c5
Decrypt it & read the pick
Decryption key (released after the match)
8cf5dae9131cb71f9b300552f94223eb2c33ed56f4783b89b995569a0f82c1c5
Decrypt in CyberChef →
Verify it yourself — paste both values, no install

The Encrypted pick above is base64( nonce[12 bytes] + ciphertext + tag[16 bytes] ), AES-256-GCM. Zero-install check: open your browser console (press F12Console), paste this, press Enter — it decrypts the exact pick shown above:

const blob = Uint8Array.from(atob("K6KAwwH+cz0mvatdA7oJlpzKEiWuCuiiakcrOjUuClIIOphpDdEumdeA9DciWtCmY4hDqK1QfzxDdvJgfWiF6KCrc1AxQvHH5oXpXbq68YOppunEK2tRws/YHu2t/oLasnhHcABdSHpJOmxAfE0HWJhvPrQi6zBuXPsxZdbrsurCNG8bmzqiOa3eX5NfYTnLrzGKfV9MezfNBvX0nUlRd70Xg/4ntXWuahCriHMt1QvGLj924tAfDWCKJr8HX/uI5jgAGUSLGhr4ldez5wsoUaFKH7vqFg6i0qEhUJVbwVMGk2LmwslOrDnTrA6+6t17ifnz9cmVE4fmGXU8e3oabROh7G4h1DuuGJqyH8MJ"), c => c.charCodeAt(0));
const key  = Uint8Array.from("8cf5dae9131cb71f9b300552f94223eb2c33ed56f4783b89b995569a0f82c1c5".match(/../g).map(h => parseInt(h, 16)));
crypto.subtle.importKey("raw", key, "AES-GCM", false, ["decrypt"])
  .then(k => crypto.subtle.decrypt({ name: "AES-GCM", iv: blob.slice(0, 12) }, k, blob.slice(12)))
  .then(b => console.log(new TextDecoder().decode(b)));

Prefer a GUI? The orange button opens CyberChef pre-filled. Or split the parts yourself for any AES-256-GCM tool:

  • Algorithm: AES-256-GCM
  • Key (hex): 8cf5dae9131cb71f9b300552f94223eb2c33ed56f4783b89b995569a0f82c1c5
  • IV / nonce (hex): 2ba280c301fe733d26bdab5d
  • Ciphertext (hex): 03ba09969cca1225ae0ae8a26a472b3a352e0a52083a98690dd12e99d780f437225ad0a6638843a8ad507f3c4376f2607d6885e8a0ab73503142f1c7e685e95dbabaf183a9a6e9c42b6b51c2cfd81eedadfe82dab2784770005d487a493a6c407c4d0758986f3eb422eb306e5cfb3165d6ebb2eac2346f1b9b3aa239adde5f935f6139cbaf318a7d5f4c7b37cd06f5f49d495177bd1783fe27b575ae6a10ab88732dd50bc62e3f76e2d01f0d608a26bf075ffb88e6380019448b1a1af895d7b3e70b2851a14a1fbbea160ea2d2a12150955bc153069362e6c2c94eac39d3ac0ebeeadd7b89f9f3f5c9951387e619753c7b7a
  • Auth tag (hex): 1a6d13a1ec6e21d43bae189ab21fc309

Any standard AES-256-GCM tool returns the exact same pick — the algorithm is a public standard.

How to verify the Bitcoin timestamp yourself

Bitcoin doesn't store the pick — it stores a 32-byte fingerprint (SHA-256) of the encrypted batch, via OpenTimestamps. That fingerprint is frozen in a public block nobody can alter or back-date. You can't spot it by eye on a block explorer (a block holds thousands of unrelated transactions) — you verify it with the .ots proof and any OpenTimestamps tool:

  1. Download the sealed batch file (.jsonl) and its proof (.ots) from GitHub.
  2. Drop both into opentimestamps.org (or run ots verify *.ots). It replays the proof and confirms the Bitcoin block and its UTC time.
  3. See it independently: block #959442 · anchoring transaction (its OP_RETURN holds the commitment). The block's Timestamp is when it became permanent.

Note: Bitcoin anchoring lands ~30–60 min after sealing, and a block's timestamp is miner-set (approximate). So the exact “before kickoff” proof is the seal time above — timestamped instantly by Telegram/GitHub — while Bitcoin is the independent, un-forgeable anchor of permanence.