{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000550},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000415","480:4800000763","480:4800000764","480:4800000800","480:4800000413","480:4800000506","480:4800000766","480:4800000405","480:4800000443","480:4800000626","480:4800000713","480:4800000614","480:4800000500","480:4800000647","480:4800000728","480:4800001081","480:4800000679","480:4800000341","480:4800000429","480:4800000315","480:4800000575","480:4800000512","480:4800000543","480:4800000385","480:4800000573"],"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":[0.4004630867734627,0.3445971717290901,0.3402094319103673,0.3385364818676864,0.30062550896776524,0.2964591217293788,0.28566321243356485,0.257788981294519,0.2496853358274098,0.23108960881622473,0.22199901793836954,0.2207930983827387,0.19794309639841995,0.19761581580051443,0.1900549404168956,0.18924042230309943,0.1809493575229131,0.17923557388419864,0.17702854532367981,0.17334658375909834,0.17026473073556825,0.16830880352748623,0.16318501938806781,0.15907656653342447,0.15242107522649828],"twin_dists":[0.17570378397966005,0.1895793120949846,0.19071606352662743,0.19115154680518787,0.20135906917216967,0.20252475632821343,0.20559108703762682,0.21384881868254663,0.21635341825678728,0.22230549841829922,0.22532997637626237,0.22573734338318638,0.23375789144526196,0.2338772654365048,0.23667408707536228,0.2369799806070847,0.2401475904686752,0.24081505787508492,0.24168133139648504,0.24314379320347493,0.2443850552521932,0.24518121589806854,0.24729893777875997,0.24903206155840765,0.2519101986061556],"n_dims_used":42,"mean_confidence":0.9152547745477586},"coverage":{"mean_confidence":0.9152547745477586,"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}}