T4 – Quality & Authenticity Dashboard

Generated: 2026-11-10 15:33:57 | Target: hiffi_catalog.db
Curated Cohort
500 Artists
Strict 50 / 150 / 300 Split
Commercial Catalog
17,135 Artists
Dense Ranks #1 to #17,135
Pure Sales Volume
9.58B Units
0.0 Synthetic Streaming SEA
Snapshot Telemetry
6,000 Records
100% 7d & 30d Velocity

Data Pipeline Before & After Transformation

Pipeline Dimension Raw Ingested State (Before) Production Pipeline State (After) Validation Invariant Status
Cohort Scope 501 unconstrained artists (drift detected) Strict 500 verified artists T1: 50, T2: 150, T3: 300, T4: 0 PASSED
Avatar Integrity Scattered external URLs, missing images 100% local verified portraits image_verified_flag = 1 PASSED
Commercial Sales Synthetic streaming formulas (SEA/TEA) 100% empirical pure sales streaming_eas == 0.0 PASSED
Sales Discrepancy 530 component math mismatches 0 mismatches; exact CSV parity albums + singles == total PASSED
Catalog Ranking Unindexed raw table rows Dense sequential ranks (1–17,135) Zero gaps, zero duplicates PASSED
Velocity Telemetry Static snapshot views 6,000 historical delta points 7d and 30d rolling deltas PASSED

Top 5 Cohort Preview

Rank Artist Tier Spotify Listeners YT Subscribers 7d Velocity
#1 Drake TIER_1_ICON 94,140,384 33,200,000 +0.37%
#2 Eminem TIER_1_ICON 73,189,445 67,400,000 +0.37%
#3 Nicki Minaj TIER_1_ICON 45,450,181 28,500,000 +0.36%
#4 Travis Scott TIER_1_ICON 60,293,812 20,800,000 +0.36%
#5 Post Malone TIER_1_ICON 61,999,914 29,100,000 +0.36%