{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010823},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010740","490:4900010400","490:4900009728","490:4900010571","490:4900010219","490:4900010138","490:4900010905","490:4900010739","490:4900010570","490:4900010902","490:4900008993","490:4900010478","490:4900010489","491:4910005467","490:4900008330","491:4910004958","490:4900010743","490:4900011306","490:4900010131","490:4900010316","490:4900009434","490:4900010309","490:4900010041","490:4900010734","490:4900010574"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,491,490,490,490,490,490,490,490,490,490],"twin_sims":[0.0868313271868628,0.0788320913926224,0.05340083868002392,0.034477617168152196,0.03284195642525821,0.030194477404716914,0.027420602727285533,0.02269499558584383,0.02103147474721765,0.019232906310047617,0.018548267894528788,0.01621707869514185,0.01518713311735539,0.015077712871936868,0.014560185974987736,0.014459012148546219,0.01400584980119308,0.013369330960601954,0.012511798074628091,0.012051556582936048,0.011958941858039801,0.011095617654692155,0.010917857906012306,0.009400168901045239,0.009168331189609415],"twin_dists":[0.2871247242048946,0.29274729942213074,0.3143890268142899,0.3370459367596569,0.33946957213632245,0.34362031918054325,0.34831846581714215,0.35736073038700555,0.3609359055851321,0.3650897550618185,0.36676053323162155,0.37288638352484027,0.37584279640884316,0.3761671697811525,0.3777300482327573,0.37804129280877136,0.3794593902881183,0.38152128557817094,0.3844409095266909,0.3860817682065857,0.3864186596449171,0.3896756270251054,0.390374083993981,0.39678845701021426,0.3978486103590671],"n_dims_used":45,"mean_confidence":0.8862864176432291},"coverage":{"mean_confidence":0.8862864176432291,"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}}