{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003789},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003656","480:4800003133","480:4800003222","480:4800003045","480:4800003413","480:4800003176","480:4800003463","480:4800003460","480:4800003172","480:4800003411","480:4800003130","480:4800003213","480:4800003586","480:4800003218","480:4800003582","494:4940003755","480:4800002829","494:4940001955","480:4800003354","494:4940003753","480:4800002831","480:4800003265","480:4800003214","480:4800003270","494:4940001353"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,494,480,494,480,494,480,480,480,480,494],"twin_sims":[0.5768867613567116,0.5700796938495348,0.5691363970499538,0.47318372522064855,0.47036357070753515,0.4616724361107563,0.45222271619966625,0.4452039026240848,0.40759895827803483,0.4073409712689933,0.40249203754270363,0.3930516441991466,0.3926661000256581,0.38267712552996114,0.37610996865685686,0.3673384773126061,0.3618970980917015,0.36105855007992743,0.3489045801595315,0.3468816394702877,0.3417491365618749,0.34071725402774844,0.338654000752147,0.33849734288927613,0.33782610627271853],"twin_dists":[0.13622704368305494,0.13768890041274637,0.13789162270722638,0.15887971709052023,0.15951308341275722,0.16147318061632548,0.16361922598589285,0.16522392100097144,0.17399997467384756,0.17406134016037514,0.17521796042902418,0.17748804104169963,0.17758128101717952,0.18001219189931852,0.18162692438774566,0.18380535389999145,0.185169810591242,0.1853810020678932,0.18847082060136788,0.18899050989242583,0.19031627897134334,0.1905841005725065,0.1911209178991349,0.1911617488541011,0.191336813807676],"n_dims_used":43,"mean_confidence":0.9222804224768351},"coverage":{"mean_confidence":0.9222804224768351,"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}}