{ "capture": { "capture_content_digest": "f70d4beaf1f6d766cfd4003ee2c8639ef393b4d0cd3a5ca830ce022b480765f1", "dtype": "BF16", "dtype_lossless": true, "form": "hidden", "head_not_separable_reason": null, "head_separable": true, "hidden_width": 64, "lossy_codec": null, "manifest_file": "capture/manifest.json", "manifest_file_sha256": "93a1a3b8be9943140c3d1fd2b22dd28487d9335d21ceaea7e2269cbf5ef9bfbc", "records_count": 4, "scored_rows_total": 252, "semantic_point": "after_final_rmsnorm_before_lm_head", "tensor_key": "hidden_states", "total_size_bytes": 33416, "vocab_size": 272 }, "coverage": { "complete": true, "declared_records": 4, "index_range": [ 0, 3 ], "missing_indices_sample": [], "present_records": 4, "shard_of": null, "subset_detail": null }, "created_utc": "2026-09-07T17:52:52Z", "dataset": { "author": { "handle": null, "is_registry_maintainer": false, "name": "malaiwah", "role": "capture-author", "url": null }, "base_capture": null, "id": "fidelity--k2-horizon.community-root", "license": "other", "name": "k2-horizon random CPU fixture root", "qualification": null, "repository": "malaiwah/k2-horizon-tiny-fidelity-root-v1", "revision": null, "role": "root", "structural_status": "sealed" }, "dataset_sha256": "baeeb09002899e7babeee7248cf447171f72e127edf57515aef3eaa01b909f12", "determinism": { "cold_start_per_run": true, "distinct_evidence_hash_count": 1, "evidence_hashes": [ "f70d4beaf1f6d766cfd4003ee2c8639ef393b4d0cd3a5ca830ce022b480765f1" ], "evidence_kind": "hidden_state_tensor_sha256", "identical_across_runs": null, "note": "a single cold capture; cross-run determinism is NOT asserted here. Capture a second cold run and run `fidelity-dataset compare --self-compare` -- an exactly 0.0 result is the SC-1 reproduction confirmation.", "repeat_noise": null, "repeats": [], "run_count": 1 }, "disclosures": [ { "affects_comparability": false, "code": "no_known_deviations", "detail": "captured by engines/tools/hf_capture.py", "severity": "info" }, { "affects_comparability": false, "code": "reduced_run_count", "detail": "this dataset is ONE cold capture (run_count 1, the DET-D4 floor is 5). Cross-run determinism is not asserted by the dataset; it is established by a second cold capture plus `fidelity-dataset compare --self-compare`, whose exactly-0.0 result is the SC-1 reproduction confirmation.", "severity": "caveat" } ], "format_version": 1, "generation_sanity_probe": { "degenerate": false, "enforced": false, "entropy_nats": 5.592731201467068, "expect": null, "logit_spread": 0.81640625, "note": "one extra window through the same schedule; its hidden state is discarded and never enters the dataset.", "prompt": "The capital of France is", "schema": "malaiwah.generation-sanity-probe.v1", "status": "recorded", "top1_id": 234, "top1_probability": 0.005631761252475981, "top1_text": "�", "top_k": [ { "id": 234, "probability": 0.005631761252475981, "text": "�" }, { "id": 31, "probability": 0.005458490174535842, "text": "<" }, { "id": 251, "probability": 0.005384370213143799, "text": "�" }, { "id": 207, "probability": 0.005352913417505693, "text": "\u000f" }, { "id": 85, "probability": 0.0053216404000909715, "text": "r" } ], "uniform_entropy_nats": 5.605802066295998, "vocab_size": 272 }, "head": { "applied_in_capture": false, "bias": null, "bits": 16, "compat_tensor_key": "weight", "dtype": "BF16", "equality_receipt": null, "file": "head/weight.safetensors", "file_sha256": "44b4015e209062d5e73b948b241508dcdd2c15b3683ba808b14d5aceec29d5c6", "final_norm": { "applied_at_replay": false, "applied_in_capture": true, "dtype": null, "file": null, "file_sha256": null, "shape": null, "tensor_content_sha256": null, "tensor_key": null }, "head_json": "head/head.json", "present": true, "quantized": false, "raw_tensor_sha256": "41ab818257080025edebd550a7f45ba39ac4d43cd1b623bd3544c7b5fd1e20dc", "shape": [ 272, 64 ], "source": "native", "tensor_content_sha256": "41ab818257080025edebd550a7f45ba39ac4d43cd1b623bd3544c7b5fd1e20dc", "tensor_key": "lm_head.weight" }, "interop": { "adapted_from": null, "compatible_with": [ "kimi-k3-distribution-fidelity/1" ], "divergences": [ { "field": "head", "id": "D-1", "reason": "every capture declares its OWN head identity by tensor content digest; 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