{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000061},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000060","495:4950000203","480:4800000152","480:4800000051","480:4800000057","495:4950000444","495:4950000291","495:4950000394","495:4950000295","480:4800000032","480:4800000123","480:4800000126","495:4950000445","495:4950000245","495:4950000393","495:4950000389","495:4950000397","480:4800000124","495:4950000292","480:4800000153","480:4800000019","480:4800000039","495:4950000493","495:4950000390","495:4950000593"],"twin_admin_codes":[480,495,480,480,480,495,495,495,495,480,480,480,495,495,495,495,495,480,495,480,480,480,495,495,495],"twin_sims":[0.19299407397423585,0.16546571315510786,0.16199560054080334,0.1437973787443949,0.139578566504723,0.12597839013557294,0.12348936192335436,0.1202440922491696,0.11038259703468428,0.1018747439403416,0.1009480768491978,0.09727235224685674,0.09482232319450233,0.08419347388782522,0.08145565621841237,0.07121826255124758,0.07037852136905777,0.06578373400090155,0.04824503366681269,0.04286609856905629,0.03859063277560738,0.03495380603308085,0.03154969725738884,0.0306167631101579,0.02579130343711427],"twin_dists":[0.2355778425492918,0.24635045725561483,0.24779739749968097,0.25578021506611054,0.25773641157082794,0.2643604612072806,0.2656306518626579,0.2673163699961868,0.27266237202851507,0.2775798652179945,0.27813457515393,0.2803749538622277,0.28190545687253626,0.2889313529183998,0.2908548640726956,0.298542210049788,0.2992116050763565,0.3029937371450231,0.31979004189557947,0.3259655076901441,0.33135793519877615,0.3363587709968046,0.34145834370408074,0.3429378864938968,0.35127233610711645],"n_dims_used":42,"mean_confidence":0.9021946135021391},"coverage":{"mean_confidence":0.9021946135021391,"n_dims_used":42,"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}}