{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004595},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001593","490:4900000480","490:4900004862","490:4900002048","496:4960009274","490:4900003085","490:4900001074","490:4900001327","496:4960007912","496:4960007781","490:4900000776","490:4900002026","490:4900001321","490:4900001323","494:4940008731","496:4960011640","490:4900001886","490:4900007011","490:4900001322","490:4900000802","490:4900002185","490:4900000895","496:4960008034","496:4960007546","490:4900002186"],"twin_admin_codes":[490,490,490,490,496,490,490,490,496,496,490,490,490,490,494,496,490,490,490,490,490,490,496,496,490],"twin_sims":[0.5101206010354082,0.44682762430665174,0.43705050223511993,0.4242494666608112,0.4055495034039386,0.3620047367970355,0.35730892553431054,0.35150643423073524,0.3189523118378488,0.3187436925431308,0.317301258618309,0.2949225501836252,0.2840346068501296,0.28169115451419324,0.27861093713833224,0.2783800981414848,0.2660135065491313,0.26530895781897634,0.2596756063574238,0.259363086376143,0.25536842433046686,0.25425254075064824,0.2526122449512062,0.25254184608575625,0.25170245192376134],"twin_dists":[0.1506888973961602,0.1648518499309785,0.16710022448739245,0.17007446015264022,0.17448794048701083,0.18514271940214846,0.1863284364933633,0.18780472947229732,0.19633944419961502,0.19639564581128607,0.19678480261966586,0.20295709309276985,0.2060596320838119,0.2067366879725699,0.20763181453651167,0.2076991392295708,0.21135716723503542,0.2115687092020618,0.2132728976755665,0.21336811658173624,0.2145916413269832,0.2149355865480975,0.21544291437514917,0.21546473490381476,0.2157252089218585],"n_dims_used":45,"mean_confidence":0.9176766289605035},"coverage":{"mean_confidence":0.9176766289605035,"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}}