{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000978},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000001096","500:5000001916","500:5000001724","500:5000001813","500:5000001258","500:5000000728","500:5000001259","500:5000001725","500:5000000960","500:5000001648","500:5000001204","500:5000001079","500:5000000672","500:5000001367","500:5000000979","500:5000001203","500:5000001913","500:5000001142","500:5000001816","500:5000002035","500:5000001312","500:5000001018","500:5000001526","500:5000002038","500:5000001153"],"twin_admin_codes":[500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500],"twin_sims":[0.7657016142577691,0.7345619657652882,0.7016749983744265,0.6802443251768706,0.6627923220834677,0.6314172255628471,0.6235023570809661,0.5927931033014641,0.5904150567145855,0.5903130619428908,0.5883782131727296,0.5663326217471132,0.5656078472590544,0.5576592735498597,0.5554233350613714,0.5545161079210441,0.5538642820317121,0.5534542164872343,0.542688242014968,0.5388298979877935,0.536988923535144,0.535547640847453,0.5343285014640817,0.532920576307964,0.5291959849843614],"twin_dists":[0.09489955050889078,0.10201240803710097,0.10932391966407666,0.11400927304393843,0.11779173207570759,0.12454258031407332,0.12623943580911348,0.13281656707819456,0.13332607741903202,0.13334793262970993,0.13376256582912474,0.13849440487945616,0.13865028132629537,0.14036147273998473,0.14084344031132925,0.14103907973914268,0.1411796730433711,0.14126813371268465,0.1435944703180554,0.14443016383474838,0.14482930741016248,0.1451419801442412,0.14540659180852483,0.14571233111794954,0.14652195766253903],"n_dims_used":45,"mean_confidence":0.9215549892849393},"coverage":{"mean_confidence":0.9215549892849393,"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}}