{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004100},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000743","477:4770001634","477:4770001633","477:4770000919","477:4770000384","477:4770000646","477:4770002462","477:4770000692","489:4890003913","477:4770000866","477:4770000485","477:4770000435","477:4770000469","477:4770000801","477:4770000629","477:4770000434","477:4770000524","477:4770001625","477:4770000581","477:4770002131","477:4770000488","477:4770001221","477:4770001404","477:4770000986","477:4770000164"],"twin_admin_codes":[477,477,477,477,477,477,477,477,489,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477],"twin_sims":[0.6077247871074782,0.48352696410139806,0.46247694305910175,0.4470193369366117,0.41666258662990474,0.4030477381357619,0.392831429447426,0.39112182738823525,0.3869393068620403,0.3511427959541101,0.35113814283076594,0.3478411051893696,0.3469697538394312,0.34307467739203545,0.33648115814732,0.3336063563520183,0.3331072198672388,0.332554511538771,0.32428029214411486,0.32026220605084377,0.3149523481334166,0.30977174374724065,0.30013713604731,0.29424994341162714,0.2899341232379653],"twin_dists":[0.12961879225785894,0.15656725742056088,0.16129120642137243,0.16480795349588406,0.17185477116058756,0.17508509325444613,0.17754129255214052,0.177955175891888,0.1789713249793965,0.18789766778257325,0.18789885734875048,0.18874382676835733,0.18896784028429983,0.18997287244445007,0.1916881548370032,0.19244169892800184,0.19257289190707125,0.19271829081060474,0.19491101962882496,0.19598703254163685,0.19742066362233504,0.19883267073315705,0.20149521628799744,0.20314675911487795,0.20436992068788803],"n_dims_used":45,"mean_confidence":0.9207533942328558},"coverage":{"mean_confidence":0.9207533942328558,"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}}