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Lemma Critical Brief · Category archive

Training Data Provenance

Structures where the origin and use-scope attributes of AI training data flow downstream without independent verification — public-API scraping of chat platforms, dataset distribution outside the licensed scope, gaps in AI training-data audit layers.

8 Briefs
No. 122 · 2026-08-04

7.6 petabytes of Hugging Face training data held 221,303 live secrets

detected and notified, never revoked (Truffle Security)

Pillar 01 Verifiable Origin Training Data Provenance Code ProvenanceData Provenance Brief →
No. 105 · 2026-07-21

Over 40,000 unauthorized likeness and voice posts across major platforms

and a 100% takedown rate did not stop the same person's models from reappearing (JAPRO FY2025 survey)

Pillar 01 Verifiable Origin Data Provenance Training Data ProvenanceAttribute Proof Bypass Brief →
No. 106 · 2026-07-21

Figma

AI content training defaulted on for individuals and small teams, and off for enterprise

Pillar 01 Verifiable Origin Training Data Provenance Data ProvenanceAttribute Proof Bypass Brief →
No. 079 · 2026-06-23

Common Crawl: about 12,000 live credentials embedded in a public corpus used to train LLMs

training-data provenance not verified before ingestion (Truffle Security)

Pillar 01 Verifiable Origin Training Data Provenance Code ProvenanceData Provenance Brief →
No. 063 · 2026-06-16

Bright Data SDK: your living-room TV became a relay node for AI-scraping

the origin and consent of collected data and relayed traffic not independently verified (Include Security)

Pillar 01 Verifiable Origin Data Provenance Training Data Provenance Brief →
No. 054 · 2026-06-13

Generated Until the Rightsholder Said No

The Consent-and-Provenance Gap Behind OpenAI Sora 2

Pillar 01 Verifiable Origin Data Provenance Training Data ProvenanceAttribute Proof Bypass Brief →
No. 036 · 2026-06-08

12.8 Billion Training Images Contained Passports, Résumés, and Faces

The Provenance and Consent of Training Data Were Never Verified at Collection

Pillar 01 Verifiable Origin Training Data Provenance Data ProvenanceAttribute Proof Bypass Brief →
No. 008 · 2026-05-30

Discord 2.05 Billion Message Scraping via Public API

How Public Channel Data Gets Redistributed as AI Training Datasets

Pillar 01 Verifiable Origin Training Data Provenance Data ProvenanceAttribute Proof Bypass Brief →