{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000399},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000366","480:4800000643","480:4800000644","480:4800001077","480:4800000964","480:4800000622","480:4800000656","480:4800000542","480:4800000403","480:4800000970","480:4800000685","480:4800000548","480:4800000380","480:4800000654","480:4800001194","480:4800000546","480:4800000611","480:4800000545","480:4800000541","480:4800000531","480:4800000874","480:4800000339","480:4800000803","480:4800000649","480:4800000604"],"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":[0.3960952837377718,0.3792657577613891,0.3773593280709996,0.35873898619062483,0.3035193166985535,0.2503599786119695,0.24390309933682602,0.22601832848852071,0.21458211037868205,0.21067479166817318,0.20169923954397959,0.19626078941608294,0.18646014332315358,0.1822634683822866,0.18178731972922327,0.18056002758454315,0.1760533973370516,0.1750114802191357,0.1699380378516714,0.16269454181703122,0.15602411349528222,0.15392919996535387,0.15365678984493691,0.1455553084921551,0.14497060691890754],"twin_dists":[0.17675344978133126,0.18084928966440195,0.1813186848330827,0.18596649905473744,0.20055497588918217,0.21614294835352232,0.21817246047806557,0.22398279115657765,0.22785943525039262,0.2292157476419668,0.23239751095054417,0.23437296548596126,0.2380311153341871,0.23963880760536935,0.23982285709897042,0.24029882853476842,0.24206653004144685,0.24247978631306488,0.24451757703586133,0.2475041662573557,0.2503409296195222,0.2512500771716934,0.2513689617577501,0.25497766534848654,0.2552437984710769],"n_dims_used":43,"mean_confidence":0.9111006980718568},"coverage":{"mean_confidence":0.9111006980718568,"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}}