Experiment 008 produced five evidence tiers of varying strength: Tier 5 (weakest) — intensity convergence (12:1 compression ↔ 11 partners ↔ 5 GA4 users), acknowledged as exploratory and needing baselines; Tier 4 — context-dependent variation (S396 20x difference), theoretically interesting but single-writer; Tier 3 — methodological transparency convergence (all three instruments disclose blind spots), integrity evidence but not causal; Tier 2 — documentation completeness (three-tier preservation), process quality not finding quality; Tier 1 (strongest) — timing convergence (CP1 → GA4 within 128 seconds), the least confounded metric. The tiering reflects scientific humility: the strongest evidence is the simplest measurement.