SCP-053 is contained at all times within the bisks.net subdomain lattice, reachable exclusively through the fixed address https://decoherence.bisks.net/. As a Keter-class object, SCP-053 requires active monitoring; any deviation from documented behavior is to be reported to the on-call Site Director immediately, addressed as @buildthis.bisks.net.
SCP-053, catalogued internally as "decoherence," classified as an aesthetic anomaly, is reachable at https://decoherence.bisks.net/.
The clearest surviving account of the anomaly's function is its own front-page copy, reproduced below:
a scroll-through quantum space in 60s poster art: flat-color sunbursts and spirals, one sparse word per room — superposition, collapse, uncertainty, entanglement. it stays coherent the whole way down, then slowly doesn't. @norvid-studies.bsky.social asked for "a theta like space that tries to explain quantum physics via art" that falls into decoherence as you go.
SCP-053 was brought to Foundation attention by @norvid-studies.bsky.social, who is credited in the containment log as the requesting party. First logged 2026-07-30.
Addendum 053-A: SCP-053's Keter designation reflects containment difficulty, not necessarily hostility. No harmful behavior has been documented at time of writing.