{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008015},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010055","490:4900010250","490:4900010056","490:4900010058","490:4900009957","490:4900009562","490:4900010335","490:4900008351","490:4900009663","490:4900009860","490:4900010247","490:4900010051","490:4900010229","490:4900010767","490:4900009857","490:4900007998","490:4900010510","490:4900010244","490:4900007790","490:4900010345","490:4900010249","490:4900010763","490:4900010906","490:4900008679","490:4900010422"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.537325106110441,0.39445902255682197,0.36851193888756484,0.3096497488088903,0.2520567842093161,0.22682426341114054,0.17385517783494195,0.15374005808410932,0.12957456191769987,0.11767863440810139,0.11488264792984453,0.10935986947346713,0.10447770827538337,0.0979911854681304,0.0972469837282711,0.09279857304871666,0.08988245465589441,0.07805857715745848,0.07343230090605993,0.07240668191605823,0.07095367279374838,0.06903117540116226,0.06696235948313264,0.06679403426115202,0.06629692262731048],"twin_dists":[0.1447563995205076,0.17714804046821894,0.18351243633035044,0.19886608323536387,0.21561518798838683,0.22371458032971556,0.24294047053086068,0.25133260564631277,0.2625584724560496,0.2686737351548652,0.2701791495021737,0.2732376049167371,0.27604250487914067,0.2799316608529422,0.2803906451523147,0.28319333815928915,0.2850887009552929,0.2933148945942935,0.2968074696681469,0.2976057194949772,0.29875243231848625,0.3002993079035873,0.30200354437690247,0.30214408422587763,0.30256083036441545],"n_dims_used":45,"mean_confidence":0.8973398844401042},"coverage":{"mean_confidence":0.8973398844401042,"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}}