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Sealed pick receipt

Sealed Pick #509

Matteo Arnaldi to winWON

ATPGame date 2026-10-07

Matteo Arnaldi vs Bernard Tomic prediction

What was sealed

Price
-220at FanDuel
Confidence
62%
Stake
1 unit
Front page
Yes, a Best Bet

These values are inside the seal. The check below opens it from the chain so you can compare them.

Timeline

  1. LockedOct 7, 11:45 PM ETPick and price frozen2026-10-08T03:45:00.000Z
  2. On chainOct 7, 11:45 PM ETslot 45442748021 s after it locked2026-10-08T03:45:21.000Z
  3. Game startOct 8, 1:30 AM ETSealed 1 h 44 min before the start2026-10-08T05:30:00.000Z
  4. Open keyOct 8, 6:00 AM ETAnyone can open the seal2026-10-08T10:00:04.000Z

Proof on chain

Network
Solana mainnet
Transaction
3KkUerFiF9c9zM54P2P4Rq8fXoDJH5YkUmGNnviHTGpYL3NtQNLeBxmtb49nr7QfC8WkgavxkCZwKJ7nZ3uimbfsexplorer.solana.com
Slot
454427480block time 2026-10-08T03:45:21.000Z
Sealed by
AGATHAhqdW1ojytKypnrm1phNNNXUwNGBXQRovYHaoFNThe Agatha address: it pays for and signs every sealexplorer.solana.com
Fingerprint
15f439043002fea8252d1185faa529a52900abb71ceb2cf55d59be822a6c1405SHA-256 of the sealed record
Open key
a76c73d1dca7ae7b3684cc6883777b4817759dedd4946ac1dbffcfb13886e0a5Released Oct 8, 6:00 AM ETkey memo

Check it yourself

  1. Ask Tatum for the transaction, straight from this browser
  2. Confirm the Agatha address paid for and signed it
  3. Read its memo: the pick number, the game date and the fingerprint
  4. Compare the block time with the game start
  5. Open the sealed bytes with the day key
  6. Check that the SHA-256 of the opened record equals the fingerprint

Verify with AI copies a short prompt for any AI assistant: it checks the seal's time and address on Solana and the result, and runs the full check if you ask. Check it by hand, step by step

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