{ "attempt_id": "1e84c33a-e5bd-4a24-b551-de7b4d675054", "claims": [ { "challenge_claim_sha256": "333c510d8a8d69cc59827726bb86dd399983b01e7a253af8887d0f2251cda61b", "evidence": "Repository mechanism audit plus deterministic masked-MDP transition checks.", "status": "verified", "target_claim": "The paper formalizes masked diffusion sampling as an MDP in which the diffusion language model is the environment and the policy chooses which tokens to unmask (Section 3)." }, { "challenge_claim_sha256": "bf6aebbeea700b651067e91333f97aef0e4fffec15565daf27c4cf0e89b06056", "evidence": "Repository policy/config audit plus local confidence-to-action checks.", "status": "verified", "target_claim": "The learned unmasking policy is a lightweight single-layer transformer mapping token confidences to unmasking decisions (Section 3.2)." }, { "challenge_claim_sha256": "28fdce6dd76e8df860c9149960ceaf5f1edf8398eb3da00be9d4844911be16f5", "evidence": "No trained checkpoint or raw Figure 4 evaluation output is bundled for CPU recomputation.", "status": "inconclusive", "target_claim": "Policy sampling matches state-of-the-art heuristic samplers in semi-autoregressive block generation settings (Figure 4)." }, { "challenge_claim_sha256": "d2a26b39ada20dfa224d97c827be80a8f15fe7a06bdc9811c6a53f086fc2e607", "evidence": "No trained checkpoint or raw Figure 5 evaluation output is bundled for CPU recomputation.", "status": "inconclusive", "target_claim": "Learned policies outperform heuristic unmasking strategies in the full-diffusion generation setting (Figure 5)." }, { "challenge_claim_sha256": "1969db18a5c2b4252edee8f22c1e947bb7d185870e1016c0f8a491141c5415ac", "evidence": "Source/config audit plus deterministic expert left-to-right unmasking simulation.", "status": "toy", "target_claim": "Visualization of learned full-diffusion policies shows expert-steered policies recovering a left-to-right unmasking order on GSM8K samples (Figure 7)." } ], "computed_outputs": { "left_to_right": [ 0, 2, 3 ], "mdp_step": { "action": [ 3, 0 ], "done": false, "next_state": [ "A", "[MASK]", "fixed", "D" ], "state": [ "[MASK]", "[MASK]", "fixed", "[MASK]" ], "unmasked": 2 }, "semi_ar_blocks": [ [ 0, 1, 2, 3 ], [ 4, 5, 6, 7 ], [ 8, 9 ] ] }, "fencing_token": 1, "generated_at": "2026-08-01T00:00:00+00:00", "limitations": [ "Benchmark claims are inconclusive without released raw evaluation outputs or CPU-feasible trained policy checkpoints.", "Local simulations verify mechanism contracts and do not substitute for paper-scale model evaluation." ], "owner": "codex-paper-owner-05", "paper_id": "F9NDKf5oPy", "repository_audit": { "file_sha256": { "README.md": "2e29199c7bce1da1cb199bf693fb753e9fe9e473c34357633a6f560e6178346d", "configs/experiment_configs/llada_8b_instruct_dit_confidence_BL32_mixture.yaml": "eb3b223982d15564e358d0ba6e174cc25e4f6094bb42a32630952672829d8580", "eval/pipeline.py": "7294c782b17d91116ee67c7a1fab347c277f9416f3797a381f465010c52e2dc6" }, "terms_found": { "confidence": true, "environment": true, "evaluation": true, "mdp": true, "single_block_transformer": true }, "upstream_revision": "35e4830485f1821d57f9ac3f1a303f3d4531fb82" }, "snapshot_id": "9e9d22e53a0f5eba83916747aebd400e61cf28e84e57cf5219a34f0c7a3b00dd", "title": "Learning Unmasking Policies for Diffusion Language Models", "upstream": { "arxiv": "2512.09106", "huggingface_paper": "https://huggingface.co/papers/2512.09106", "openreview": "https://openreview.net/forum?id=F9NDKf5oPy", "repository": "https://github.com/apple/ml-rl-dllm", "revision": "35e4830485f1821d57f9ac3f1a303f3d4531fb82" } }