# C305 author review

Question: Can the fixed2832 and17K selections jointly supply an exact600-year SP Noah/Flood comparison?

Conclusion: The jointly supported indices2/3 give599/601; exact600 would require noninteger annual index5/2.

The exact results were inspected against the source register and independently expressed domain identities in the checker. The second run verifies deterministic reproduction, not independent scientific review. No new agent review is claimed.

Limits:

- 599 and601 are valid off-diagonal source comparisons.
- The result does not invalidate the independently bound C302600 segments.
- The formal half-index is not added to the annual source field.

The report and checkpoint are authored interpretations. The verifier authenticates the supplied inputs and calculations; it does not prove historical intentionality. Original dependencies and all standing controls remain unchanged.