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Euclid[]
Euclid-class objects are anomalies that are either insufficiently understood or inherently unpredictable, such that reliable containment is not always possible, but do not pose sufficient threat to qualify for Keter classification. The vast majority of anomalies cataloged and contained by the Foundation are initially classified as Euclid until they are either sufficiently understood or exhibit sufficient danger to qualify for reclassification.
In particular, any anomaly that exhibits autonomy, sentience and/or sapience is generally classified a Euclid-class entity at minimum, due to the inherent unpredictability of an object that can act or think on its own.
Keter[]
Keter-class objects are anomalies that pose an inimical threat to the safety of Foundation personnel and the rest of mankind and either require extensive and complex procedures to contain or cannot be fully contained by the Foundation's current technology and knowledge.
These anomalies are generally considered the most dangerous ones in Foundation containment, and all research efforts are directed towards enabling more reliable containment of such anomalies or, as a last resort, the timely neutralization or destruction of its anomalous effects.
Secondary Classes[]
The following Object Classes are sub-classes that supplement the object's primary (or former) classification.
Neutralized[]
Neutralized anomalies are those that are no longer anomalous, either through having been intentionally or accidentally destroyed, disabled, or otherwise no longer function or exhibit anomalous effects.
The documentation for Neutralized anomalies is archived for posterity in case the anomaly regains its anomalous properties or otherwise recurs in the future.
Explained[]
Explained anomalies are those that are completely and fully understood to the point where their effects are now explainable by mainstream science, have been debunked as a false or mistaken classification, or are so widespread and publicly disseminated such that containment is no longer possible.
Esoteric Classes[]
The following Object Classes fall outside of the purview of standard classification.
Thaumiel[]
Thaumiel-class objects are highly classified and extremely rare anomalies that are utilized by the Foundation to contain or counteract the effects of other highly dangerous anomalies, especially Keter-class objects. Even the mere existence of Thaumiel-class objects is classified at the highest levels of the Foundation and their locations, functions, and current status are known to few Foundation personnel outside of the O5 Council.