{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870003134},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870004125","466:4660013352","487:4870003004","487:4870003270","466:4660013935","487:4870003540","466:4660013023","487:4870003682","487:4870003829","487:4870004276","487:4870003683","466:4660014147","487:4870003687","487:4870004124","487:4870004984","487:4870003549","490:4900001728","487:4870002884","496:4960006231","487:4870005728","487:4870004562","490:4900000141","466:4660012896","487:4870003843","487:4870005122"],"twin_admin_codes":[487,466,487,487,466,487,466,487,487,487,487,466,487,487,487,487,490,487,496,487,487,490,466,487,487],"twin_sims":[0.7436971806333643,0.6921620761067988,0.68994196941704,0.6039027091117793,0.6000787250791902,0.5891714941645932,0.5767276484017597,0.4959423633339265,0.48926488364159326,0.4842970832836405,0.45779458384942506,0.45466892529798036,0.4390165838554615,0.4374658817136665,0.42403474009069875,0.4094945207747031,0.40713887149046724,0.4063052709378775,0.4025690710809848,0.3895325651586017,0.38222872905428157,0.37132934287507513,0.366009147530854,0.36230331885990646,0.3586998485840538],"twin_dists":[0.0999479057549886,0.11141007736501259,0.11189541253548374,0.13043720555009494,0.13125607158604624,0.13359255873834963,0.13626119479070525,0.1538117060270747,0.15529114244394926,0.15639571309681058,0.16235190942873243,0.1630621395907617,0.1666465383286158,0.16700430597426055,0.1701246619088053,0.17354961650582643,0.17410942419360048,0.17430786838512646,0.17519953689670487,0.17834068466086864,0.18012201597665914,0.18281105277311874,0.18413774573074257,0.18506759178812038,0.18597639462439997],"n_dims_used":43,"mean_confidence":0.9106230624886447},"coverage":{"mean_confidence":0.9106230624886447,"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}}