{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001735},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001903","489:4890002817","489:4890002472","489:4890002403","489:4890001908","489:4890002151","489:4890001654","489:4890003068","489:4890002551","489:4890003428","489:4890002240","489:4890001892","489:4890001738","489:4890002582","489:4890001650","489:4890001653","489:4890001982","489:4890003449","489:4890003332","489:4890003488","489:4890003541","489:4890002082","489:4890002408","489:4890002556","489:4890002407"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.960438793289856,0.8560854141535829,0.8430874211695095,0.8329709517187006,0.8272507092985091,0.8113959513798609,0.797986455187607,0.7941705965299191,0.7424931069105647,0.7387414916076859,0.724588957253649,0.7212409856222644,0.7117027009298341,0.6989520629299681,0.6941326283518497,0.6925369175075528,0.6846915088991264,0.6791905900029263,0.6686579365495592,0.6630818022736379,0.6596919270958164,0.657801768106891,0.6446139858950671,0.6360850056889253,0.6349582500839911],"twin_dists":[0.03690128111447529,0.07240083327568811,0.07588152383833147,0.07851909243105845,0.07998570482117684,0.08396747053038998,0.08725084729094068,0.08817262708078533,0.10022098572993576,0.1010699294281236,0.10424816301325955,0.10499482167621974,0.10711220843256188,0.10992218134118226,0.1109788292140078,0.11132807898938751,0.11304108466455998,0.11423839909532287,0.11652320692350955,0.11772918676450876,0.11846124306634141,0.11886909686412574,0.12170890331839515,0.12354102893485697,0.12378285946506304],"n_dims_used":45,"mean_confidence":0.9138828701443142},"coverage":{"mean_confidence":0.9138828701443142,"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}}