{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013219},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900013127","490:4900013287","497:4970001691","490:4900013044","490:4900013009","490:4900013254","490:4900013059","490:4900013095","490:4900013288","491:4910000338","491:4910000379","497:4970001286","491:4910000380","497:4970001864","497:4970001106","492:4920004375","492:4920004740","492:4920004915","490:4900013007","492:4920004854","486:4860004788","492:4920003793","490:4900013189","497:4970001948","491:4910000339"],"twin_admin_codes":[490,490,497,490,490,490,490,490,490,491,491,497,491,497,497,492,492,492,490,492,486,492,490,497,491],"twin_sims":[0.006046869298303764,0.004310330105366202,0.003052523419452439,0.0020992905149771848,0.002065384664332912,0.0019542822879642405,0.0018510956795262216,0.0017439910551429385,0.001037325889662997,0.0005711707754731057,0.0004451957198856865,0.00039583008998678995,0.0003709417180846335,0.0003607018410038658,0.00032752004875530105,0.0003126163057384844,0.0002672202236485389,0.00025487368505150817,0.0002525391426093814,0.00020184641038313754,0.00019977278459358622,0.00019447576803580178,0.00017937681251392737,0.00013551634321608665,0.0001241950705360003],"twin_dists":[0.415119764672325,0.4286543128780572,0.44202325958656685,0.4560853184086955,0.4566871129920899,0.4587247885498827,0.46071507858079297,0.4628920253297895,0.4814511931332981,0.5019215377190395,0.5102264834979283,0.5140971464870755,0.5162234157247719,0.517137274939691,0.520275357498692,0.5217830645508019,0.5268307769334835,0.5283431578824804,0.5286368446024378,0.5357382734922704,0.5360632957318273,0.5369081987412558,0.5394412106379836,0.5481386027719777,0.5508165821619759],"n_dims_used":45,"mean_confidence":0.9118074205186631},"coverage":{"mean_confidence":0.9118074205186631,"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}}