docs: add live HF/W&B evidence links to the operating-model page

docs/operating-model-github-hf-wandb.md

@@ -11,3 +11,16 @@
 What is never published anywhere: hidden evaluation content, gold answers,
 anti-hack detection details, private verifier logic, raw or customer
 traces, secrets.
+
+## Published evidence
+
+Public, **synthetic / redacted** demo evidence:
+
+- **Hugging Face dataset** — <https://huggingface.co/datasets/verifiablelabs/vlabs-clean-gate-evidence>
+- **Weights & Biases** (entity `verifiable-labs`): [clean-generalization-gate](https://wandb.ai/verifiable-labs/clean-generalization-gate) · [contamination-firewall](https://wandb.ai/verifiable-labs/contamination-firewall) · [anti-hack-engine](https://wandb.ai/verifiable-labs/anti-hack-engine) · [scenario-compiler](https://wandb.ai/verifiable-labs/scenario-compiler) · [runpod-costs](https://wandb.ai/verifiable-labs/runpod-costs)
+
+All published evidence is **synthetic / redacted** and is **not a training
+dataset**. It contains **no** customer data, hidden evaluations, gold
+answers, raw traces, private anti-hack traps, or private engine internals.
+
+Install the SDK: `pip install "vlabs-sdk==0.0.2"`