{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001338},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001203","491:4910001339","491:4910001204","491:4910001262","490:4900002066","491:4910001270","491:4910001337","491:4910001070","491:4910001205","491:4910001965","491:4910001267","491:4910001914","491:4910001006","491:4910001200","491:4910001271","491:4910001505","491:4910001506","491:4910001568","491:4910001504","491:4910002665","491:4910001689","491:4910001567","491:4910001385","491:4910001798","491:4910001008"],"twin_admin_codes":[491,491,491,491,490,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5086987944406749,0.38385490613543066,0.3827950451425991,0.3739653006093714,0.30998797781756066,0.2938358432415531,0.28033372995296335,0.2542337019103216,0.250298278207813,0.24924954787204898,0.24229682013662396,0.23935334974947195,0.22156483955837336,0.19965851964411926,0.18572605569320577,0.1830675853015292,0.17605158929901746,0.17266200735976003,0.1559286564929347,0.15544071139079427,0.15448092871802602,0.15010066227190405,0.143431349418175,0.1357847340543426,0.12864517974613834],"twin_dists":[0.1510009950654767,0.1797240157963634,0.17998332053961102,0.18215722280672192,0.19877346614043856,0.20326365726822523,0.20713042636800935,0.21494140139713655,0.21616218210154056,0.2164895654728599,0.21868270451972546,0.21962343126853795,0.22547647371763221,0.2331344196574437,0.23831048379640948,0.23932875535143147,0.2420672456535672,0.24341814332674333,0.2503821611089749,0.2505932117812683,0.2510097644975425,0.25293529901944306,0.25594823328039257,0.25953358490115797,0.26302050914681474],"n_dims_used":45,"mean_confidence":0.8983063591851128},"coverage":{"mean_confidence":0.8983063591851128,"n_dims_used":45,"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}}