{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001392},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001380","480:4800001387","480:4800001447","480:4800002257","480:4800002060","480:4800001333","480:4800001776","480:4800001322","480:4800001717","480:4800002010","480:4800001389","480:4800002004","480:4800001660","480:4800002303","480:4800001265","480:4800002125","480:4800002154","480:4800002337","480:4800001620","480:4800002112","480:4800002434","480:4800002260","466:4660004890","480:4800002162","480:4800001716"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,466,480,480],"twin_sims":[0.6392036669525712,0.5595663547297378,0.5163983336892924,0.4997004665673602,0.48258239042763684,0.47386088720663416,0.44731364213132907,0.43926693364075325,0.39896255551180065,0.3975067124220024,0.3758460751145467,0.36729982113540144,0.3518699050932508,0.34094145991546687,0.306553281507159,0.29834933657507634,0.29791420208925345,0.28815977719367847,0.28479410357416757,0.27060405601277276,0.2628190096093406,0.25854287166414947,0.2478852260343111,0.22859127916233904,0.21473773134575133],"twin_dists":[0.12287144416682712,0.1399506120655261,0.14931351264060935,0.1529816087494696,0.15677777799852946,0.15872782362710913,0.16474058032349725,0.16658882593302893,0.1760637979496843,0.17641368054603315,0.1816920956114737,0.18381501114967608,0.18771188406773684,0.19052587183037198,0.19971670299884278,0.2019947223139116,0.20211656291494032,0.20487593720194386,0.20584092645661725,0.20998729274257438,0.2123191407450632,0.21361836455526986,0.21691679000857092,0.22312872932961197,0.22780576310053804],"n_dims_used":43,"mean_confidence":0.9215895187023074},"coverage":{"mean_confidence":0.9215895187023074,"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}}