{"host":"blackholes.grok.me","title":"BLACK HOLES","description":"A cinematic astrophysics walk through how we learned to know objects we cannot see: gravitational waves, event horizons, LIGO, inspiral, merger, ringdown, mass, spin, and traces.","tag":"local","firstSeen":"2026-10-15T17:07:15.755Z","lastOk":"2026-10-15T18:39:21.009Z","probedAt":"2026-10-15T18:39:21.009Z","status":"live","httpStatus":200,"access":"public","seed":"submit","lastDeadAt":null,"failCount":0,"isTemplate":false,"isNamedSlug":true,"clusterId":null,"canonicalHost":"blackholes.grok.me","thumbnailUrl":"https://radioactive.tor1.cdn.digitaloceanspaces.com/thumbs/blackholes.grok.me.webp","titleCollisions":0,"hasOg":true,"brief":{"score":7,"scoreLabel":"Ambitious","scoreWhy":"Uses canvas, local persistence.","summary":"BLACK HOLES is wired up with canvas, local persistence.","stack":[],"features":["Canvas","Local persistence"],"services":[],"notable":["Ships its own share image"],"flags":{"remix":false,"auth":false,"og":true,"template":false},"source":"heuristic","generatedAt":"2026-10-15T18:39:20.087Z"}}