{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000400},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000618","480:4800000995","480:4800000606","480:4800000959","480:4800000502","480:4800001032","480:4800000503","480:4800000402","480:4800000501","480:4800000339","480:4800000720","480:4800000398","480:4800000993","480:4800001146","480:4800001189","480:4800000367","480:4800000883","480:4800001135","480:4800000324","480:4800000579","480:4800000615","480:4800000752","480:4800000569","480:4800000506","480:4800000753"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5293649283966666,0.493368912008248,0.4664311301553273,0.46578479945919105,0.4425789500884447,0.3685866612681435,0.2962730012698277,0.26397112032804715,0.2628706172019332,0.262626426900563,0.25504509020891136,0.23919159074126264,0.23806551547796945,0.23395460238128848,0.2278615334959125,0.21342479959255356,0.21104735380410627,0.20974223100340342,0.199308043062049,0.19644604960812287,0.1955234373321413,0.19506268033743418,0.19052673736282705,0.18834412212995263,0.1864082211268245],"twin_dists":[0.1464852078732019,0.15438117368222196,0.1603983990735768,0.16054415248038212,0.16582652148876256,0.18349380004488694,0.20257705361597494,0.2119713631083215,0.21230354203491586,0.212377366976152,0.21469120332003092,0.21967534633948663,0.22003738459565814,0.22136863025459672,0.2233703105447078,0.22825940758077015,0.22908569209422577,0.22954197607304033,0.2332614991756282,0.23430505344608668,0.2346437026553173,0.2348132407319136,0.23649732191966805,0.2373176539767864,0.23805084971360596],"n_dims_used":43,"mean_confidence":0.9132538728935774},"coverage":{"mean_confidence":0.9132538728935774,"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}}