TLDR

This is a post announcing a lot of new ARENA material I've been working on for a while, which is now available for study here (currently on the alignment-science branch, but planned to be merged into main this Sunday).

There's a set of exercises (each one contains about 1-2 days of material) on the following topics:

• Linear Probes (replication of the "Geometry of Truth" paper, plus Apollo's "Probing for Deception" work)
• Activation Oracles (based around this demo notebook, with additional exercises on model diffing)
• Attribution graphs (you can build them from scratch here including all the graph pruning implementations, and also use the circuit-tracer library)
• Emergent Misalignment (mostly based on Soligo & Turner's work; this also covers a lot of "basics of how to work with model organisms" like writing autoraters, using LoRA finetunes, etc)
• Science of Misalignment (walkthrough of 2 case studies: Palisade's "Shutdown Resistance" & GDM's follow-up, and Alignment Faking)
• Reasoning Model Interpretability (guided replication of Thought Anchors plus the blackmail extension)
• LLM Psychology & Persona Vectors (replicates the "assistant axis" paper including activation capping technique, and also has you create a persona vector extraction pipeline)
• Investigator Agents (basically takes you through building mini-Petri from [...]

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Outline:

(00:13) TLDR

(01:49) New material

(01:52) en-US-AvaMultilingualNeural__ Diagram showing eight AI safety and interpretability concepts including linear probes and activation oracles.

(03:19) (1.3.1) Linear Probes

(04:06) (1.3.4) Activation Oracles

(04:58) (1.4.2) Attribution Graphs

(06:15) (4.1) Emergent Misalignment

(07:05) (4.2) Science of Misalignment

(08:00) (4.3) Reasoning Model Interpretability

(08:52) (4.4) LLM Psychology & Persona Vectors

(09:51) (4.5) Investigator Agents

(10:45) New Site Features

(12:07) Logistics

(12:57) Why use, in vibe-code world?

(15:12) Feedback

The original text contained 1 footnote which was omitted from this narration.

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