{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990004121},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990004061","467:4670001446","467:4670002166","485:4850003388","467:4670002022","467:4670001415","467:4670000567","467:4670001575","467:4670001600","467:4670002178","485:4850003555","467:4670001841","467:4670002751","467:4670001330","467:4670002029","488:4880000051","467:4670003473","467:4670000795","466:4660014229","467:4670000728","499:4990003878","467:4670002174","499:4990001202","477:4770003602","468:4680001844"],"twin_admin_codes":[499,467,467,485,467,467,467,467,467,467,485,467,467,467,467,488,467,467,466,467,499,467,499,477,468],"twin_sims":[0.6418412647414143,0.5627173914750107,0.5604099289697022,0.4697567381150929,0.437639610639647,0.42108224381250425,0.40991184253135854,0.396545671392148,0.38909229117675354,0.3870265270925789,0.38619158467875636,0.38047437991011845,0.37895449385306845,0.3476890665736175,0.34332993001164264,0.33173599658571074,0.3312206382788549,0.32399240106576294,0.30681232727088303,0.30638606283119174,0.3047962215958879,0.30081668900777386,0.29960498765578664,0.2972897565789019,0.2887664167258334],"twin_dists":[0.12230484747716285,0.13927217626126293,0.13976893528216097,0.15964953581542105,0.16696419955390532,0.17081602016580597,0.17345059040431776,0.17664496892677164,0.17844761276983767,0.17895008199881215,0.17915353010685725,0.1805522985398953,0.18092584974372186,0.18878289267689297,0.18990682566625972,0.19293385703722737,0.19306973235951133,0.19498786650101774,0.19964535234068195,0.1997627796064439,0.2002015833919248,0.20130580776926027,0.2016437145116186,0.20229159459925689,0.20470272400710973],"n_dims_used":45,"mean_confidence":0.9391421847873264},"coverage":{"mean_confidence":0.9391421847873264,"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}}