{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001175},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950001507","480:4800000634","480:4800000709","480:4800000598","495:4950001164","495:4950000908","480:4800000674","495:4950001565","480:4800000597","495:4950001566","480:4800000708","495:4950000911","480:4800001026","495:4950000910","495:4950001163","480:4800001025","495:4950001279","495:4950001211","495:4950001333","480:4800001172","495:4950001220","495:4950001099","480:4800001173","480:4800001188","480:4800000710"],"twin_admin_codes":[495,480,480,480,495,495,480,495,480,495,480,495,480,495,495,480,495,495,495,480,495,495,480,480,480],"twin_sims":[0.40444269331334504,0.4009126412065446,0.3675000416856792,0.35672177236021296,0.3352567201821589,0.3124231101200478,0.2680459714001247,0.24824668492971722,0.24539916236211837,0.2312498723494425,0.2204482905688254,0.21123700761554298,0.19818421258836522,0.1680892957588122,0.16733779438162094,0.15586182659203462,0.1432506458372666,0.1385409831298105,0.12035682567720547,0.10734121320417367,0.10072650588037368,0.0990271115812745,0.09096178290571329,0.08747406480446214,0.08725568184649202],"twin_dists":[0.17475192376539084,0.17559604424741085,0.1837649967113776,0.18647725597100662,0.19200867614104847,0.19810835544273583,0.21074886187713315,0.21680345611206073,0.21769917509142164,0.222252890317572,0.22585409500669393,0.22901954678804762,0.23367003276561724,0.2452709809781877,0.24557893886578142,0.25041103845186075,0.2560312989331607,0.2582242596354837,0.26725723349324987,0.27438533537565524,0.2782677985725548,0.2792972884808661,0.284381584992514,0.28669115344294166,0.2868381828377113],"n_dims_used":43,"mean_confidence":0.9023550166640171},"coverage":{"mean_confidence":0.9023550166640171,"n_dims_used":43,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}