{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000628},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000242","491:4910000020","490:4900000853","494:4940006760","490:4900000738","494:4940007080","494:4940005303","491:4910000042","491:4910000135","494:4940005178","494:4940007083","491:4910000071","491:4910000019","491:4910000224","494:4940003263","487:4870003332","494:4940006867","491:4910000043","494:4940006655","494:4940004916","491:4910000523","494:4940004791","494:4940006866","487:4870001614","494:4940006338"],"twin_admin_codes":[491,491,490,494,490,494,494,491,491,494,494,491,491,491,494,487,494,491,494,494,491,494,494,487,494],"twin_sims":[0.16075013404886798,0.12249276513205808,0.10480498062075717,0.0888247609207031,0.08459523976078487,0.08150759220890293,0.0707598881108557,0.0558323808016221,0.05159160504312036,0.043940727369433816,0.033962384941496365,0.03066364573101605,0.0294310930161202,0.029291581964830723,0.029256100120273375,0.029051218080982228,0.027607661256384017,0.027426659445730785,0.024164931370367064,0.02378921136481656,0.02362363684104775,0.023542831669557774,0.023345083177773875,0.02288329497927914,0.02200337080814486],"twin_dists":[0.24832219891073914,0.2661446929031295,0.27585133102473397,0.285788201612015,0.2886533031761289,0.2908178976252038,0.29890680212357734,0.31199091930043293,0.3162328456855065,0.324681732798401,0.3377986077055518,0.34286262025850145,0.34487502275614096,0.34510733563923407,0.3451665712352905,0.3455098252914394,0.34798908374644816,0.34830777058315926,0.35438617981325765,0.35513124058177076,0.35546281830585974,0.3556253696030773,0.3560252183195497,0.35697051769220656,0.3588185355883681],"n_dims_used":44,"mean_confidence":0.8893963206898082},"coverage":{"mean_confidence":0.8893963206898082,"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}}