{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010589},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011237","490:4900011640","490:4900011369","490:4900011305","490:4900011301","490:4900012103","490:4900008451","490:4900010668","490:4900011164","490:4900011456","490:4900011702","490:4900011370","490:4900011645","490:4900010505","490:4900010756","490:4900010411","490:4900011575","490:4900011162","490:4900011637","490:4900011838","490:4900010499","490:4900011300","490:4900011250","490:4900011524","490:4900011303"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.2848509069936223,0.2808560257963944,0.2011088132082191,0.18315439289614752,0.15214390779507245,0.12656152058150358,0.10978346118659764,0.08719617376922055,0.08222319964941473,0.08060630506378523,0.08029059201496105,0.07674791023146266,0.07242045196613854,0.07235918654884796,0.07228856867916165,0.06838913411441529,0.06233337726069226,0.06231182217549796,0.05769084970081259,0.05691905872235364,0.0563399494310488,0.05525255055404287,0.05394033704098538,0.05183317178477896,0.051066856548480366],"twin_dists":[0.20582458339624907,0.20697879126645433,0.23261018545532688,0.23929534150671225,0.25203203843260086,0.2640656392063239,0.27299885307060606,0.28687829819821536,0.2903104597662611,0.2914621013268728,0.2916891253998047,0.29428705519578713,0.29759494170134865,0.297642906770977,0.2976982347409798,0.3008237040890374,0.3059782418387944,0.3059973073214445,0.31021557536018196,0.3109470284502014,0.3115012660253401,0.3125548076251342,0.31384925434983574,0.3159835841624496,0.3167776706392109],"n_dims_used":45,"mean_confidence":0.893285624186198},"coverage":{"mean_confidence":0.893285624186198,"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}}