{"id": 5263, "prediction_verbatim": "Oil prices rise 1.5%+ within 48h", "created_at": "2026-05-18 07:41:12", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-20 07:50:41", "chain_hash": "8f2437e6a4e3c083cec21d5499920b2448479575dca4ef1137bf21b88347268d", "chain_tx": "2UTa1AdmddXE6K3Y5osofZXH4VkHVK4gxYKBNdUG8A9NhZ7j6L2sCN915zx8k53rbcP6wP27VA3EvwwEgzEr4auo", "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."}