SlopShape: Identifying AI-Generated Commercial Web Content

arXiv:2609.15369 · cs.CL · Submitted 2026-09-14 · Read on arXiv

cs.CL

Submitted: 2026-09-14

Updated: 2026-09-28

Comments: 20 pages, 5 figures. Verification artifacts and code: https://github.com/pulse-energy-eu/slopshape

Code: https://github.com/pulse-energy-eu/slopshape

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 17× in this paper · explained in 2 episodes
• Accuracy — 10× in this paper · explained in 1 episode
• Robustness — 9× in this paper · explained in 5 episodes
• Verification — 5× in this paper · explained in 2 episodes
• Generative Engine Optimization — 3× in this paper
• alpha — 3× in this paper · explained in 1 episode
• AUC — 2× in this paper · explained in 2 episodes
• Actionability — 2× in this paper · explained in 3 episodes
• Adaptation — 2× in this paper · explained in 1 episode
• Clustering — 2× in this paper · explained in 2 episodes
• LLM judge — 2× in this paper · explained in 2 episodes
• AI Alignment — 1× in this paper · explained in 2 episodes
• Ablation — 1× in this paper · explained in 1 episode
• Actor — 1× in this paper · explained in 3 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Alignment — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Benchmarking — 1× in this paper · explained in 3 episodes
• Domain Adaptation — 1× in this paper · explained in 5 episodes
• Embeddings — 1× in this paper · explained in 2 episodes
• Failure Modes — 1× in this paper · explained in 3 episodes
• Point Clouds — 1× in this paper · explained in 2 episodes
• Search Engine Optimization — 1× in this paper

Sources

• GEO: Generative Engine Optimization
• The Rise of AI-Generated Content in Wikipedia
• Can AI writing be salvaged? Mitigating Idiosyncrasies and Improving Human-AI Alignment in the Writing Process through Edits
• Generative Engine Optimization: How to Dominate AI Search
• RAID: A Shared Benchmark for Robust Evaluation of Machine-Generated Text Detectors
• NarraBench: A Comprehensive Framework for Narrative Benchmarking
• Spotting LLMs With Binoculars: Zero-Shot Detection of Machine-Generated Text
• Impact of AI Search Summaries on Website Traffic: Evidence from Google AI Overviews and Wikipedia
• Delving into LLM-assisted writing in biomedical publications through excess vocabulary
• Paraphrasing evades detectors of AI-generated text, but retrieval is an effective defense
• The Widespread Adoption of Large Language Model-Assisted Writing Across Society
• DAMAGE: Detecting Adversarially Modified AI Generated Text
• DetectGPT: Zero-Shot Machine-Generated Text Detection using Probability Curvature
• GenAI Detection Tools, Adversarial Techniques and Implications for Inclusivity in Higher Education
• AI use in American newspapers is widespread, uneven, and rarely disclosed
• StoryScope: Investigating idiosyncrasies in AI fiction
• Can AI-Generated Text be Reliably Detected?
• Measuring AI "Slop" in Text
• A Shocking Amount of the Web is Machine Translated: Insights from Multi-Way Parallelism
• Diagnosing and Repairing Citation Failures in Generative Engine Optimization

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