{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990003000},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002534","499:4990000345","499:4990002922","499:4990001578","499:4990002449","499:4990002372","470:4700000233","499:4990002646","499:4990002789","470:4700000235","499:4990002616","470:4700000295","499:4990000827","496:4960004494","470:4700000773","499:4990002697","470:4700000775","470:4700000442","470:4700008610","470:4700002215","499:4990002921","499:4990003057","485:4850004596","499:4990000293","499:4990002786"],"twin_admin_codes":[499,499,499,499,499,499,470,499,499,470,499,470,499,496,470,499,470,470,470,470,499,499,485,499,499],"twin_sims":[0.5329405856124207,0.497956228536988,0.49163116599960216,0.45235779482961874,0.442586843224466,0.4345863146109743,0.43237182307341226,0.4247595410214315,0.4203605147595811,0.41562966728023265,0.4081267572684099,0.3933034693668448,0.3926813636246179,0.39213203116237,0.38804299350388777,0.3816803205513137,0.3816608062911625,0.3799280269810386,0.37538458251414103,0.37308408107390867,0.3712347143297577,0.3709168521837175,0.36731320633967546,0.36511566918573424,0.3639563181043725],"twin_dists":[0.14570798482281433,0.1533666589263502,0.15476620194059437,0.16358843499651948,0.16582470743131084,0.16766999534084445,0.1681831344617713,0.16995525032335554,0.17098533056208795,0.1720982153326886,0.1738744845344971,0.17742716260226046,0.17757758886052435,0.17771051058007523,0.17870268255460667,0.18025641975795606,0.18026120401618492,0.18068649565115086,0.18180611977474684,0.18237554913582596,0.18283456726238848,0.18291357539250613,0.18381166714372907,0.18436149612371738,0.18465223966573263],"n_dims_used":44,"mean_confidence":0.9325253746726296},"coverage":{"mean_confidence":0.9325253746726296,"n_dims_used":44,"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}}