{"id": 3845, "prediction_verbatim": "Mega-cap tech sentiment slightly lower in 48h", "created_at": "2026-04-21 06:11:20", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-23 06:39:08", "chain_hash": "e739953188b30056ac74e4d420c305a2a5209127e8cb72adca3504ae9c04ab1c", "chain_tx": "33orUNMDmJwjbXaaAJznXB26ZpRLUKC9z2RBmsbAs6nz3JWotvsEqLHo7TRotTYQspZNmrFhWx3PDoy6BHx6afXC", "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."}