CTL Index Methodology

CTL Reference Sheet · Version 1.0 · Published 2026-09-30

The CTL Index Methodology (CTL-IDX-001 v1.1) powers the monthly CTL 10 ranking. Scoring is three-signal: 40% Wikipedia pageviews, 40% CTL research-corpus evidence depth, 20% momentum — computed by ctl-index.py with no hand-tuned scores. The methodology is live at culturetechlens.com/research/culturetechlens-index/methodology/.

Verifiable facts

Research ID	CTL-IDX-001 v1.1
Type	Research Infrastructure — Index methodology
Central question	How does the CultureTechLens Index rank cultural resonance?
Status	Published v1.1; live at culturetechlens.com/research/culturetechlens-index/methodology/
Key numbers	Three-signal scoring: 40% Wikipedia pageviews · 40% CTL evidence depth · 20% momentum; computed by ctl-index.py — no hand-tuned scores
Publisher	CultureTechLens NFP, a 501(c)(3) nonprofit organization (EIN 39-3143901), Chicago, Illinois

How to cite this sheet

APA:
CultureTechLens. (2026). CTL Index Methodology (CTL Reference Sheet, Version 1.0) [Web page]. CultureTechLens. https://culturetechlens.com/reference/index-methodology/

MLA:
CultureTechLens. “CTL Index Methodology.” CTL Reference Sheet, Version 1.0, CultureTechLens, 30 Sept. 2026, https://culturetechlens.com/reference/index-methodology/. Accessed DD Mon. YYYY.

Chicago:
CultureTechLens. “CTL Index Methodology.” CTL Reference Sheet, Version 1.0. CultureTechLens, September 30, 2026. https://culturetechlens.com/reference/index-methodology/.

Cite as: CultureTechLens, “CTL Index Methodology”, 2026-09-30.
Source: CultureTechLens.

Trust & evidence

Evidence before authority. CultureTechLens publishes its methods, its limits, and its corrections alongside its findings. Claims carry grades — VERIFIED, SUPPORTED, PROVISIONAL, DISPUTED, UNRESOLVED — and unknowns are never reported as zero.