{ "capture": { "capture_content_digest": "6f9cc6adc7a6aed20230e7f62e22823ffcf820af3bf9d5a17a5b8fdccc809e73", "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": "25cbfa1ef1c8840877544b2d51302ddd2463632188341b4e3e874c62b4def69e", "records_count": 4, "scored_rows_total": 252, "semantic_point": "after_final_rmsnorm_before_lm_head", "tensor_key": "hidden_states", "total_size_bytes": 33408, "vocab_size": 260 }, "coverage": { "complete": true, "declared_records": 4, "index_range": [ 0, 3 ], "missing_indices_sample": [], "present_records": 4, "shard_of": null, "subset_detail": null }, "created_utc": "2026-09-07T17:52:34Z", "dataset": { "author": { "handle": null, "is_registry_maintainer": false, "name": "malaiwah", "role": "capture-author", "url": null }, "base_capture": null, "id": "fidelity--spark2-5.community-root", "license": "other", "name": "spark2-5 random CPU fixture root", "qualification": null, "repository": "malaiwah/spark2-5-tiny-fidelity-root-v1", "revision": null, "role": "root", "structural_status": "sealed" }, "dataset_sha256": "022a11db4e1e33313be61a43a38fd63350279732d712dcbf77bf0b5ffef91c63", "determinism": { "cold_start_per_run": true, "distinct_evidence_hash_count": 1, "evidence_hashes": [ "6f9cc6adc7a6aed20230e7f62e22823ffcf820af3bf9d5a17a5b8fdccc809e73" ], "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": 5.544097305833345, "expect": null, "logit_spread": 1.416015625, "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": 2, "top1_probability": 0.01010740867829269, "top1_text": "", "top_k": [ { "id": 2, "probability": 0.01010740867829269, "text": "" }, { "id": 33, "probability": 0.0056366184068920785, "text": ">" }, { "id": 142, "probability": 0.0053890140033163985, "text": "�" }, { "id": 160, "probability": 0.005336643047205699, "text": "�" }, { "id": 207, "probability": 0.005192696205849402, "text": "\u000f" } ], "uniform_entropy_nats": 5.560681631015528, "vocab_size": 260 }, "head": { "applied_in_capture": false, "bias": null, "bits": 16, "compat_tensor_key": "weight", "dtype": "BF16", "equality_receipt": null, "file": "head/weight.safetensors", "file_sha256": "8367fe6884523f5e65f3822fcff43362770e73bdd522cbbfb67eb98b1f5069fb", "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": "90323a1776a8b913101cea3fa71a8b5f66a60d6f5a73b32038a2c01f0ed3fe2d", "shape": [ 260, 64 ], "source": "native", "tensor_content_sha256": "90323a1776a8b913101cea3fa71a8b5f66a60d6f5a73b32038a2c01f0ed3fe2d", "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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a single-request capture path makes it invariant and has no equivalent field." }, { "field": "capture.head_separable", "id": "D-10", "reason": "hidden form is the default; logit form must declare head_separable:false with a reason." } ], "k3_compat_emitted": false, "note": null }, "panel": { "contamination": { "checked": false, "hits": null, "method": "not established", "receipt": null }, "context_length": 64, "contexts": 4, "panel_file": "panel/panel.json", "panel_file_sha256": "c82573ff27327cac829e2b1c776559bca7166d8342ace01d2701f1a2c4505c0b", "panel_id": "panel--spark2-5-tiny.malaiwah.cpu-smoke-v1", "panel_receipt_file": "panel/panel-receipt.json", "panel_receipt_sha256": "fbd36224a03fcc519d0dae565444286987b69f14451a091d775d8250e18fb043", "panel_token_sha256_legacy": "3c9467c85be43d238926f6d18bf825c2e4748814c95b8b0e8b8f1420546c3089", "remap_file": null, "repository": null, "revision": null, "scored_positions_total": 252, "scoring_window": { "dropped_positions_total": 0, "min_left_context_tokens": 1, "policy": "every causal prediction position of every window is scored; 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