{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003383},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003188","480:4800003559","480:4800002843","480:4800003144","480:4800002890","480:4800003497","480:4800003498","480:4800003280","480:4800003436","480:4800003760","480:4800002797","480:4800002978","480:4800003437","480:4800002844","480:4800003145","480:4800003558","480:4800003438","480:4800003143","480:4800003496","480:4800003102","480:4800003557","480:4800003332","480:4800003761","480:4800003382","480:4800003108"],"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":[0.5254036856937658,0.4777812258554234,0.4390753456489541,0.40700199171503615,0.393401464251178,0.39119793754967846,0.38121890492799265,0.3716224425110903,0.3497854256097471,0.3325250605137631,0.29464448592746645,0.272025761436793,0.26322267807355226,0.25995408163074224,0.25370364289097946,0.25332008324960537,0.2504237959212545,0.24417150887622763,0.24187098965096362,0.23491477390750448,0.23483527708898305,0.22409107663016486,0.22270270882015042,0.21932479786636677,0.20061734741799947],"twin_dists":[0.14734755824639903,0.15784985341008484,0.16663299098638626,0.1741419969507239,0.17740347734521902,0.17793673219773062,0.18036957529995407,0.1827382385184707,0.18824502826042502,0.1927260420798917,0.2030354724337516,0.20956595772718675,0.21219718057069922,0.2131881122748072,0.2151051231867942,0.21522373062370498,0.2161230578928231,0.21808741050248728,0.2188183388229281,0.22105633483100343,0.22108215935186062,0.22462675607851396,0.22509294782170172,0.22623535905802228,0.23278754183741146],"n_dims_used":42,"mean_confidence":0.9121318998790923},"coverage":{"mean_confidence":0.9121318998790923,"n_dims_used":42,"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}}