{"id": 4915, "prediction_verbatim": "Tech sector sentiment on HackerNews declines (fewer positive AI adoption stories, more security/ethics concern posts within 48h)", "created_at": "2026-05-12 07:32:12", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-14 07:33:00", "chain_hash": "92e3d6ee1f3b0af85723ccc18bc8a229a637459eba72e31bef65052e73b7bebe", "chain_tx": "5fcUrWx7x3dC2QS6tLK8vKoSXarBFnszWQhTbJCPe7sjqhAtnE4Z181NYZkvnoE9nQs5ECP5FwxrXmjaCmz39nKY", "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."}