{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001311},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002187","480:4800002192","480:4800001430","480:4800001487","480:4800002139","480:4800002327","480:4800001247","480:4800001805","480:4800002237","480:4800001248","480:4800002464","480:4800002178","480:4800002509","480:4800002282","480:4800002086","480:4800002316","480:4800001693","480:4800002224","480:4800002145","480:4800002033","480:4800002463","480:4800002040","480:4800002281","480:4800001365","480:4800002094"],"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":[0.9137752961937835,0.8717013431400252,0.8634059507385979,0.8456418706559982,0.796130020139135,0.7669203729982494,0.7602189917930333,0.7535554052899944,0.7179775970698721,0.7159889048419351,0.7144578139786756,0.7107647483754396,0.71064231621737,0.6942308459919558,0.690360605175513,0.6893857058339441,0.6782278882163535,0.6609485292272633,0.6553267151398028,0.6506387165665697,0.6378542792846947,0.6303551194941862,0.6297305284007271,0.6282863897718894,0.6265725250460613],"twin_dists":[0.05515327247682262,0.06805928985304524,0.07038916937733937,0.07520603747487226,0.08769995617625508,0.09461644743166216,0.09616830713051493,0.09770027598752766,0.10572085009204922,0.10616246098907636,0.10650204100550371,0.10731967919895859,0.10734675121415173,0.11095732290172201,0.11180393699184586,0.11201693116143674,0.1144476397765521,0.11818996649931596,0.11940281581357913,0.12041273818144461,0.12316120603535587,0.12477037826828141,0.12490432400658473,0.12521398378302098,0.1255814099126037],"n_dims_used":42,"mean_confidence":0.9112406231108165},"coverage":{"mean_confidence":0.9112406231108165,"n_dims_used":42,"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}}