{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990001482},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001398","499:4990001574","499:4990001561","499:4990001941","499:4990001394","499:4990001384","499:4990001563","499:4990001767","499:4990001562","499:4990001389","499:4990001383","499:4990001939","499:4990001932","499:4990002037","499:4990002539","499:4990001577","499:4990002630","499:4990002380","499:4990002112","499:4990001286","499:4990003198","499:4990002365","499:4990001671","499:4990001654","499:4990001839"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499],"twin_sims":[0.9205005164237643,0.8933480425115096,0.8828755890726958,0.8628481488042581,0.8606574414364914,0.8508107003215599,0.8345532206479217,0.8320470023371128,0.8310023175565269,0.820978344747229,0.8128355774505731,0.8115352040555432,0.7975954162742339,0.7958200128308696,0.7924122779847791,0.7846102821145723,0.7755106488197931,0.7750001745866343,0.7697490392324737,0.7676077929475447,0.764923211510036,0.7631305904170809,0.7623135302995805,0.7609176304275321,0.7597447797930709],"twin_dists":[0.05286313382441567,0.06168122909013384,0.06482571141270607,0.0705438622119667,0.07114910731990431,0.07382667656138661,0.07811035674669177,0.07875714554895458,0.07902575910894383,0.08157493912544486,0.0836106150762765,0.08393299116645432,0.08734555237468054,0.08777483093995937,0.08859562515279241,0.09045982085356716,0.09260944629336272,0.09272929697506817,0.09395783949543882,0.09445659274542192,0.09508015814607955,0.09549548531765738,0.09568451194377134,0.09600705911714966,0.09627768718233996],"n_dims_used":45,"mean_confidence":0.927016109890408},"coverage":{"mean_confidence":0.927016109890408,"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}}