{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000215},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000157","480:4800000216","480:4800000244","480:4800000245","480:4800000243","480:4800000055","480:4800000054","480:4800000161","480:4800000003","480:4800000021","480:4800000195","480:4800000226","480:4800000162","480:4800000242","480:4800000001","480:4800000020","480:4800000005","480:4800000212","480:4800000236","480:4800000220","480:4800000214","480:4800000022","480:4800000229","480:4800000211","480:4800000164"],"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":[0.506198654307753,0.44140381084012564,0.4094955382258981,0.40325871715707035,0.4025263740991938,0.3912820560710381,0.35794929723901475,0.32450995063485594,0.31547088945551843,0.29870177416891014,0.26179086188010997,0.24235100821304548,0.16368299457978142,0.16328895769326657,0.16146124541546905,0.16001838579739897,0.1448096784570894,0.14272323289479624,0.13851858732518574,0.13306836015566245,0.11413333423700557,0.10630446635237367,0.09557183964869524,0.09551414842208694,0.09430306339543326],"twin_dists":[0.15155034827647312,0.16609674042838393,0.17354937502131118,0.17503467007765544,0.17520974821667748,0.1779163497967396,0.1861662715528024,0.19484974399943344,0.19728006177895163,0.2018961137914581,0.2126303052386133,0.21866545576109447,0.24709102860401028,0.2472555046963405,0.24802219838825895,0.2486319138120365,0.25531718631491623,0.2562741855512387,0.2582348196686315,0.2608436072908886,0.2705873723554449,0.27498130951568694,0.28143397248167046,0.2814701596158386,0.28223382221111404],"n_dims_used":42,"mean_confidence":0.9014373052687872},"coverage":{"mean_confidence":0.9014373052687872,"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}}