initial README — paper scaffold

README.md

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+---
+license: mit
+tags:
+- temp-bench
+- temporal-crosscoder
+- sparse-autoencoder
+---
+
+# temp-bench-models
+
+Companion checkpoints for the **Temporal Crosscoders** paper (the `final` branch of
+`chainik1125/temp_xc`). All checkpoints here were trained on the locked
+two-architecture set:
+
+- **TXC-base** = `txc_bare_antidead_t5` — vanilla TopK temporal crosscoder + tsae_paper anti-dead stack.
+- **TXC-pro**  = `phase5b_subseq_h8` — subseq encoder + matryoshka H8 + multi-distance contrastive.
+
+Plus baselines used in the paper: TopK-SAE, T-SAE (paper config), TFA, MLC, SAE-arditi (C6 only).
+
+## Layout
+
+```
+<run_id>/
+  config.json       arch + training config
+  model.safetensors weights
+  manifest.json     run-level metadata (component, seed, k, metrics)
+```
+
+`<run_id>` follows `<component>_<arch>_<seed>_<short-hash>` from the
+paper's run-id contract. Browse `purified/checkpoints/manifest.jsonl` in
+the repo for the canonical index.
+
+## Privacy
+
+Private during paper development. Will flip to public when the paper draft stabilises.