{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000688},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000648","480:4800000662","480:4800000886","480:4800001140","480:4800001035","480:4800000307","480:4800000463","480:4800000365","480:4800000603","480:4800000721","480:4800000726","480:4800000689","480:4800000996","480:4800000499","480:4800000604","480:4800000839","480:4800000440","480:4800000653","480:4800000435","480:4800000536","480:4800000406","480:4800001033","480:4800000513","480:4800000381","480:4800000699"],"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":[0.5907337041948592,0.5811756976116427,0.54143673381328,0.5393687229890362,0.521090000982381,0.5067603585824494,0.49222032363726315,0.48813646869951677,0.4647850053217523,0.4638714606753619,0.4559844059281709,0.445116351322048,0.44341831604946985,0.4200667561732175,0.39971558199776025,0.3968045989980927,0.3956495145665149,0.39005646027685525,0.38941257005998103,0.38780096013186527,0.37111449543039565,0.35200476325733027,0.3512123287162109,0.34824704607329765,0.34764314931323986],"twin_dists":[0.13325779958992057,0.13530679901086023,0.14386541770987907,0.14431339031025806,0.14828828790923707,0.15142686344322412,0.15463561888253582,0.15554173998976167,0.16076975292920248,0.1609760388738627,0.1627630131832277,0.16524399781219531,0.1656336822573296,0.1710542785716303,0.17588305174555824,0.17658262897631213,0.17686087412080437,0.17821352164492124,0.17836982190168857,0.178761563660645,0.1828644450473362,0.18767744846657472,0.18787989278426023,0.18863956538073165,0.18879469276081956],"n_dims_used":43,"mean_confidence":0.9131742078204488},"coverage":{"mean_confidence":0.9131742078204488,"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}}