{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003448},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003565","490:4900002434","490:4900003320","490:4900004132","490:4900003441","490:4900004418","490:4900003039","490:4900003857","490:4900003318","490:4900003442","490:4900004137","490:4900001406","490:4900001543","496:4960007891","490:4900004540","494:4940007155","490:4900004422","490:4900003698","494:4940007484","490:4900002284","490:4900004548","490:4900005892","490:4900003030","466:4660004526","490:4900005096"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,494,490,490,494,490,490,490,490,466,490],"twin_sims":[0.4217745638568345,0.40870783897628027,0.38530236052324934,0.3838107397089236,0.37040876512523585,0.3235478771914992,0.2946315689251197,0.26326113701319714,0.2440129336987349,0.23165766875158725,0.22515465649598465,0.21893302996264774,0.21525886818055603,0.2144232871733921,0.20944733672401628,0.20750814271587523,0.20604414399659746,0.1877396671444664,0.18330517553003406,0.1769052532989051,0.17208135129710628,0.1713456411731274,0.17033909060388963,0.16834597991798966,0.16793048094527116],"twin_dists":[0.17065372385084354,0.17373640876895,0.1793704345334788,0.17973481467557273,0.18303993578272704,0.19510659808653188,0.20303911447463813,0.21218556709420427,0.21813765035524302,0.22211913525809238,0.22427092221003317,0.2263686156207268,0.22762621900775673,0.2279142389235018,0.22964534113107743,0.2303275386941806,0.23084545061232017,0.23754601315186,0.23923732903439193,0.24172995015527268,0.24365145696505397,0.24394788381841637,0.24435491694004727,0.2451660213990886,0.2453359790062545],"n_dims_used":44,"mean_confidence":0.9189401106400923},"coverage":{"mean_confidence":0.9189401106400923,"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}}