| { | |
| "schema_version": 1, | |
| "release_name": "Hsin-Heart Exact 84 \u2014 Rigidity and Stability", | |
| "release_date": "2026-09-11", | |
| "repository_target": "PureOne/hsin-heart-exact84-two-intersection", | |
| "repository_type": "dataset", | |
| "visibility": "public", | |
| "status": "candidate_theorem_unreviewed", | |
| "primary_result": "A(J^{21,8},{4,6}) = 84", | |
| "historical_bound": 105, | |
| "exact_maximum_claimed": 84, | |
| "sharp_non_pg24_maximum": 81, | |
| "rigidity_threshold": 82, | |
| "reproduction": { | |
| "python": ">=3.9", | |
| "dependencies": [], | |
| "command": "python verification/hsin84_final_verify.py verification/core38_final_data.json verification/hsin84_final_certificate.json" | |
| }, | |
| "keywords": [ | |
| "extremal combinatorics", | |
| "two-intersection family", | |
| "Johnson scheme", | |
| "two-distance code", | |
| "coding theory", | |
| "doubly-even code", | |
| "self-orthogonal code", | |
| "PG(2,4)", | |
| "Golay code", | |
| "Petersen graph", | |
| "Delsarte bound", | |
| "computer-assisted proof", | |
| "reproducible mathematics" | |
| ] | |
| } |