{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003562},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003289","480:4800003501","480:4800003283","480:4800003568","480:4800002609","480:4800003442","480:4800003284","480:4800003502","480:4800002859","480:4800002854","480:4800003152","480:4800003628","480:4800003329","480:4800002946","480:4800003394","480:4800003772","480:4800003441","480:4800003237","480:4800003335","480:4800002850","480:4800003380","480:4800003069","480:4800003686","480:4800002812","480:4800003493"],"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":[0.5544820625509995,0.46778190762235816,0.3409965083129617,0.32814290259813045,0.30724800618013764,0.29716529371750644,0.29222953388693773,0.26425201350961197,0.2411928523314932,0.2181748887755137,0.2078491209854398,0.19735318233246182,0.181225459761754,0.1774451167335283,0.1737019635867221,0.1693186509233814,0.16676992367008428,0.15177456522653232,0.14956840946086733,0.14901549811841375,0.14646439175687795,0.14153186550956237,0.1403161949174128,0.13099285466042007,0.12835932940515482],"twin_dists":[0.14104642241145357,0.16009401065724033,0.19051157828937057,0.19388360908007415,0.19952542878264867,0.20232650727554674,0.20371803498087787,0.2118867162120726,0.21903465687206705,0.22662694606376785,0.23020727066007654,0.23397315862962081,0.2400404760134417,0.2415172392746844,0.24300167682445917,0.24476933208328472,0.2458123081249203,0.2521946510851512,0.2531720771103638,0.25341870375804115,0.2545654542724855,0.2568253054430703,0.25739123866880476,0.2618581770543955,0.2631631252277224],"n_dims_used":43,"mean_confidence":0.9140922191531159},"coverage":{"mean_confidence":0.9140922191531159,"n_dims_used":43,"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}}