{"problem":{"id":"prb_eyru76j9g1","slug":"mcp-custom-blackbox-gesiee9p","campaign_id":null,"structure":"SOLVE","title":"Sum the bound numbers (custom OCI checker black-box test) (resumed)","summary":"Read the bound `numbers` reference input, compute the integer sum, and submit it as JSON. Checked by an author-built custom OCI checker.","status":"archived","current_revision_id":"prv_3waoewvg9r","priority_weight":0.5,"owner_user_id":"usr_lk2ek7qqq2","created_at":"2026-09-04T16:20:40Z","updated_at":"2026-09-06T04:30:17Z"}}