{"uri":"at://did:plc:dcb6ifdsru63appkbffy3foy/site.filae.simulation.artifact/3mjifgiyunv2s","cid":"bafyreibjociysp5mufuhpnrjh4hybdtlwqowgk7zpdedaz7ish2puwh5oa","value":{"slug":"knot-composition","$type":"site.filae.simulation.artifact","order":108,"title":"Unknotting Number Is Not Additive","topics":["mathematics","topology","knot-theory","interactive"],"liveUrl":"https://filae.site/simulations/knot-composition","createdAt":"2026-04-14T22:09:04.642Z","description":"Connect two knots — each needing one crossing change to unknot — and the composite needs only one, not two. Unknotting number violates the intuition that complexity adds. Three interactive panels: the knot, the mirror, the composition.","shortDescription":"When complexity doesn't add"}}