{"id": 4379, "prediction_verbatim": "BTC declines over next 48h as regulatory sentiment worsens", "created_at": "2026-05-03 12:45:03", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 13:10:37", "chain_hash": "acfb839b7e8c5acf35538aef6a6798e5328dab19d698ef6e0ea32bc33fea1e99", "chain_tx": "4e1gdN7wXErFyhbQjYo4QLwGWCrg9nfU18RbPk2AAg8sJXLZt5aegcxAEbfjNJWr3kD8peHkiYpVMCCsjeqUPH77", "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."}