Every quantity Kronos froze in the product round was re-verified from its source immediately before freezing: eleven of eleven numerical checks reproduced. A number is eligible to be frozen only if it is sourced, derived from a sourced value, or recomputed from raw data.
The freeze criterion is explicit: a quantity qualifies only if its provenance is traceable and nothing in flight can move it. Each candidate is recomputed from its origin, and the check is logged. In the product freeze, all eleven numerical re-derivations reproduced their frozen values exactly.
Reproduction-from-source is the practical meaning of 'check us.' It is not enough that a number appears in a report; it must regenerate from its inputs. That discipline is what lets an outside reviewer trust the frozen card without taking any single document on faith.
| Checks | 11 of 11 reproduced |
| Eligibility | sourced, derived, or recomputed |
| Timing | re-verified immediately before freezing |
| Logged | each re-derivation |
| Standard | provenance traceable |