{"id": 4024, "prediction_verbatim": "EFA lower in 48h", "created_at": "2026-04-26 00:39:50", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-28 00:40:27", "chain_hash": "19954db4fe52fbe2d1b49c599b3ee8f21d1b2ca10d23a6bf5985da8fe26dfb65", "chain_tx": "4VSq9bwfuPxDviPq5kbw6PpuqxNWd6YawrikSKZXKKDd7ezKDrVnCwYhitZiuE5nRhwqs2gU4fjqooxwBhscA9vF", "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."}