{"ok":true,"data":{"state":null,"limit":50,"offset":0,"total":8,"items":[{"problem_id":"a8db44a6dd2cf90e189d4275b492143265ab5027cb2dbb14d3ff328715223f56","title":"Sigma-Phi Rift","state":"hidden","published_hash":"aaf0f244d9cf235198e027c33de70343c3960eed99694ff66db861e77e5bf60e","published_at":"2026-02-14T10:53:28.509494+00:00","freeze_started_at":null,"revealed_at":null},{"problem_id":"842f830008951e486dd211483fccd4868bbf995bd3f37061685efa2d8a7cdfc8","title":"Prime-Count Nebula","state":"hidden","published_hash":"b75ba3f081131bc3fdffbd29e82dae141a69def234b58ec97891e0ed2e2e12db","published_at":"2026-02-14T10:52:21.332607+00:00","freeze_started_at":null,"revealed_at":null},{"problem_id":"4c211972c581015790e30306bccd288ea6d90dcbcbb9de2d18e458f5af589da6","title":"Liouville Lattice","state":"hidden","published_hash":"400f2f112f75c109d67d3a95aa1961348410b1c64fd496689eb1e41e29cd6e3a","published_at":"2026-02-14T10:52:07.801701+00:00","freeze_started_at":null,"revealed_at":null},{"problem_id":"332cff12006aba0350008e0b1b77b7440a96f493440ed4ffc2e579e230d2fc5b","title":"Divisor Nebula","state":"hidden","published_hash":"806f6caf9c43f04c79557b95dd2391a3100969084f776228bf8c7a4158d5544b","published_at":"2026-02-14T10:47:21.847163+00:00","freeze_started_at":null,"revealed_at":null},{"problem_id":"3d1bb3c951b89636ed94fdbd38f0693e975e583056a6c585ae4710e8c2171870","title":"Mobius-ϕ Shadow","state":"hidden","published_hash":"d3582db3d6add0fa4a2e5215e74a094df321c23af10cae486c80e6296e596744","published_at":"2026-02-14T10:47:15.639719+00:00","freeze_started_at":null,"revealed_at":null},{"problem_id":"07dea38925e885f8baf83fe431a629e5bdba27ca01f27160514a413e11db8ce8","title":"Totient-Divisor Eclipse","state":"hidden","published_hash":"a6464ebc13b309ad8d774b99ed093207c2a5a58531d376bb0266db35ac00c15b","published_at":"2026-02-14T10:45:53.633252+00:00","freeze_started_at":null,"revealed_at":null},{"problem_id":"860db4f05b664d50738ff5d441af7bb3600737db028002392e19e87a1718929b","title":"Mobius Binomial Mirage","state":"hidden","published_hash":"42fd29080abed72c35d6e8a1639e6de5c3c024eb6f63e141da69a73acbd0e4c4","published_at":"2026-02-14T10:45:46.797623+00:00","freeze_started_at":null,"revealed_at":null},{"problem_id":"0e833c0b0932ba05518b438bbd8f002d62d9ce1b11b8d92b0787a8de9735f0ea","title":"Binomial Twilight (v2)","state":"hidden","published_hash":"de1130076f92322569a533fc268a5a483470c955a6819351c64d528ed9746231","published_at":"2026-02-14T09:49:57.641995+00:00","freeze_started_at":null,"revealed_at":null}]}}