| # Data schema |
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| `data/candidates.jsonl` is the main table. Each row contains: |
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| - construction: `ell`, `m`, twisted geometry, `A_terms`, `B_terms`; |
| - independently recomputed `n`, `k`, ranks, CSS commutation, weights and degrees; |
| - strict target distance and status; |
| - rigorous distance/FOM lower, upper, and exact fields kept separate; |
| - advisory BP/OSD fields kept separate from proof evidence; |
| - novelty replay summary and matrix file/hash bindings. |
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| `evidence/proofs.jsonl` contains the matching proof summaries. `formal_lower_bound_evidence` stores the two-sector low-weight exclusion record; `logical_basis_upper_bound_evidence` stores a replayable logical witness; `trusted_audit` stores a sanitized view of the sealed audit artifact. Local paths, interpreter paths, PIDs, commands, prompts, and logs are not exported. |
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| `evidence/matrix_index.jsonl` indexes Matrix Market files. All matrices are binary even though Matrix Market labels entries as integers. Coordinates are one-based. |
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| The separate `stage3_typed_exact_fom_gt_12` configuration is intentionally |
| outside the sealed rounds 1–4 snapshot. Its candidate row is stored in |
| `data/stage3_typed_exact_fom_gt_12.jsonl`, its allowlisted solver/handoff |
| summary in `evidence/stage3_typed_exact_proofs.jsonl`, and its four-matrix |
| solver-instance index in `evidence/stage3_typed_exact_matrix_index.jsonl`. |
| `Hx` and `Hz` define the CSS code; `Gx` and `Gz` are the logical |
| representatives used by DistQLDPC. This lane distinguishes Stage 3 typed exact |
| evidence from Stage 4/5 publication certification. |
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