{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010358},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008833","490:4900009883","490:4900011265","490:4900011540","490:4900011024","490:4900011802","490:4900011669","490:4900011733","490:4900010712","490:4900009683","490:4900011735","490:4900010363","490:4900010715","490:4900010799","490:4900010180","490:4900010783","490:4900010945","490:4900009468","490:4900009283","490:4900010802","490:4900010538","490:4900011929","490:4900004659","490:4900002702","490:4900010789"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.21608195606369243,0.1708952402943994,0.1261491181325362,0.11177769103938213,0.08105471133807889,0.0667440880124853,0.06012674992296907,0.02934240329962276,0.027090390409907527,0.026768682932022874,0.023459795022810145,0.021226955072125,0.020824240981910526,0.014926500402988476,0.01337817432448752,0.013000705894907743,0.011012416358289617,0.010889374360230913,0.009861957570605557,0.009570433714500694,0.009432561906370294,0.008765724586485016,0.008656727067234865,0.008388137975811042,0.007979636099954607],"twin_dists":[0.22734324170085282,0.2441298062788471,0.26427403672987965,0.27188430803084446,0.29114088140699634,0.3021858414108378,0.30795869792479147,0.34502259854233563,0.34890467197934316,0.34948172982872977,0.3557929143388256,0.36050329141265025,0.36139837046146606,0.3766188646608728,0.3814920501280637,0.3827554115234276,0.3900012949775324,0.3904869407821984,0.39474455100194933,0.3960246347473726,0.3966421931327641,0.3997479374744677,0.40027555347314064,0.4016015141456203,0.40369296465297966],"n_dims_used":45,"mean_confidence":0.9074832492404514},"coverage":{"mean_confidence":0.9074832492404514,"n_dims_used":45,"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}}