Which structure is cited as potentially being larger than Quipu, although its status as a single entity is disputed?
Answer
Hercules–Corona Borealis Great Wall
The Hercules–Corona Borealis Great Wall is often cited as potentially being much larger, around 10 billion light-years across, but its existence as a single, interconnected entity is disputed.

Related Questions
What inspired the name given to the colossal structure Quipu?Approximately how long is Quipu estimated to be in maximum dimension?How is Quipu classified based on its size exceeding typical superclusters?What is the preliminary estimate for the mass contained within Quipu?Which established cosmological concept is potentially challenged by the existence of structures like Quipu, which are over 1.2 billion light-years across?What specific phenomenon describes the alteration of CMB photon wavelengths as they pass through Quipu's gravity?When observing Quipu, how long ago are we viewing the structure as it existed?Which structure is cited as potentially being larger than Quipu, although its status as a single entity is disputed?What is the core scientific debate surrounding Quipu's existence given its extreme size?Which structure, identified earlier in 2003, is surpassed in length by Quipu?What local motions critical for measuring the Hubble constant ($H_0$) can be dictated by the immense gravity of structures like Quipu?What specific data range, related to the expansion of the universe, was used to pinpoint the matter comprising Quipu?