{"id": 3162, "prediction_verbatim": "Helium (HNT) price will be higher in 48h.", "created_at": "2026-04-11 04:53:58", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-13 04:54:30", "chain_hash": "360f30d7df03906fb8b03d7597b5869fcce78fc9df35cd39984d5438baadd84a", "chain_tx": "k5ESqNFSTJkzBCjBSM9mqcHDCL5je2JW6mi9ZxKtUsRKofkvStrKegqN31cAWJwpRdH1AB5FnjFEBdymikAwa2J", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}