{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000976},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001009","480:4800000785","480:4800000968","480:4800001145","480:4800000930","480:4800000971","480:4800001005","480:4800000770","480:4800001207","480:4800001144","480:4800000977","480:4800001204","480:4800001036","480:4800000975","480:4800000824","480:4800000301","480:4800000755","480:4800000825","480:4800000792","480:4800001147","480:4800001095","480:4800000875","480:4800000925","480:4800000711","480:4800001037"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.475987620256345,0.3605462888998496,0.33271025607158555,0.32205592566009256,0.29243675206305614,0.2843831669745269,0.27741551618633975,0.27609842106405685,0.24687751981803277,0.24265940162758937,0.2375529798423149,0.20401025962221356,0.20193048089097215,0.19260843356986826,0.18182960166753007,0.16755580268032588,0.16299019186211255,0.15954463176106154,0.1588989440998057,0.1573129928286644,0.15306685709152248,0.15226778209917397,0.1503019234590271,0.1441429474028114,0.1434842295946171],"twin_dists":[0.1582512429141098,0.18551013984433185,0.19267730634949032,0.19550576185128488,0.20365933599529473,0.20595921659508515,0.20798083027376799,0.20836643413004025,0.21723331304418325,0.2185673376791008,0.22020253656679944,0.2315691604505809,0.23231433335864463,0.23572101324098144,0.23980649975708462,0.24548949884226073,0.24738040507880116,0.24883298135566687,0.24910772056678626,0.24978600969794418,0.25162694946572367,0.2519775644913498,0.25284592703378383,0.25562187995032504,0.25592394006879854],"n_dims_used":43,"mean_confidence":0.916406320971112},"coverage":{"mean_confidence":0.916406320971112,"n_dims_used":43,"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}}