{"id": 3816, "prediction_verbatim": "Meta (META) stock will be higher in 48h.", "created_at": "2026-04-20 02:09:04", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-22 02:32:15", "chain_hash": "aa89272dbb457e94408450832f0a36dab55b756d8395314eb3717c67b07cca62", "chain_tx": "2FWVbapCGUchNEGwWMk5HLPBPLhd6beGZ6yLWSKPT9PJWc9Zxz6TQ6PcXZyyGtKq3rLzpJf9xutfLU7Jkd85MYwq", "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."}