{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000541},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000318","500:5000000368","500:5000000277","500:5000000540","500:5000000325","485:4850006653","485:4850006726","485:4850006801","500:5000000586","500:5000000323","500:5000000587","485:4850006725","500:5000000648","500:5000000322","485:4850006724","500:5000000592","485:4850006727","485:4850006652","500:5000000369","500:5000000378","500:5000000187","500:5000000321","500:5000000590","500:5000000121","500:5000000276"],"twin_admin_codes":[500,500,500,500,500,485,485,485,500,500,500,485,500,500,485,500,485,485,500,500,500,500,500,500,500],"twin_sims":[0.8641569394753693,0.8547493571461688,0.8403218354964014,0.8392209093671208,0.8099554538738724,0.791980732615815,0.7865671377253539,0.7837324891115093,0.7772314528661053,0.7423992312750077,0.7364615777687696,0.7259005568127643,0.7231320812645015,0.7216205976839306,0.7002906408790017,0.6798845460235943,0.6764677444173425,0.6646901049479906,0.6642007925930886,0.6605112217818015,0.6598528519524424,0.6172790845482021,0.6106933242359388,0.6097692784904666,0.6080038287977576],"twin_dists":[0.07018052072655698,0.07276379754845715,0.07660840650716931,0.07689651268210065,0.08432366069772149,0.08869927650920506,0.08999415434125184,0.09066830496536481,0.09220486634954608,0.10024226373177995,0.1015844688130403,0.10395513653697554,0.10457330300462125,0.1049102548397868,0.10962819697090984,0.11408751585736567,0.11482998236699447,0.11738158683962108,0.11748736084645604,0.118284384888764,0.1184265083242603,0.12757271911137746,0.12898313512500797,0.12918100553058767,0.12955904165520554],"n_dims_used":44,"mean_confidence":0.9162854281338778},"coverage":{"mean_confidence":0.9162854281338778,"n_dims_used":44,"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}}