VERDICT: pass (Round 1 — v1 assembly audit)
Critic Role: Independent temporal critic

Observed Defects on v1 Proof Strip:
- None — all four attributed sources (`cc579907`, `ba758213`, `708a5b1b`, `8f806ff1`) and the closing 4-panel quad play continuously without internal cuts.

Largest Gap:
No structural or visual defects; subtitle font enlarged to 23pt with gold border in v2 for enhanced legibility.

Causal Hypothesis:
N/A — v1 passed all perceptual and structural checks.

Falsifiable Repair Condition:
Preserve all four verified sources and quad audit intact with enhanced caption typography.

Strength to Preserve:
The narrative progression from the 1952 backyard (`Frank and His Dog`) and 1950 radio living room (`Wheels of Progress`) to the exposed 1959 Havana contradiction (`Adelante Cubanos`) and closing Quad Audit.