{"id": 3551, "prediction_verbatim": "Airlines stock index (e.g. IATA index) will decrease", "created_at": "2026-04-16 10:15:08", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-18 10:38:39", "chain_hash": "2519e9730a73210385e0fb20344b249984cf0121dd205a8f6a5e2fe50de8d518", "chain_tx": "4KLkbXnFTagYz3ZfkK8xtDKNgzDVkaMyLbUUCw6xkvqi6kQJS61ebRNCt2PSdKpHN5LV48N2NrLYnpyDyYeZDKyF", "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."}