{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007998},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011063","490:4900007788","490:4900009730","490:4900010745","490:4900008453","490:4900010906","490:4900010750","490:4900010229","490:4900008012","490:4900010649","490:4900008005","490:4900008891","490:4900010827","490:4900011220","490:4900011221","491:4910005806","490:4900008014","490:4900010742","490:4900010834","490:4900011062","490:4900008006","490:4900010984","490:4900008438","490:4900010594","490:4900007773"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5933495902231809,0.5810804644516433,0.4897209382595719,0.44298079903676124,0.43291864896699017,0.3847388778814435,0.3626155213773226,0.3547382687264404,0.34713389777171716,0.3438531936994023,0.2984537948354256,0.2934003579134095,0.26569952040980777,0.2366068978865237,0.22616700784158936,0.22394247601995285,0.21615431677717145,0.21137061827163728,0.20855337043848626,0.2081554414696564,0.1901204538271889,0.18810303337909448,0.18230249908493404,0.16523883695616845,0.16407665964994292],"twin_dists":[0.1326973500065865,0.13532722634181285,0.15518991155129516,0.16573418154003453,0.1680563265910427,0.1795080055514364,0.18498907066615142,0.18698092971615196,0.18892561828233972,0.1897715124989235,0.20196548881536205,0.20338669754940508,0.21145139895815487,0.220507999687014,0.22393326378759307,0.22467656167295036,0.22731839887450256,0.22897297176469047,0.22995929661057313,0.23009934157520193,0.23664952326580896,0.23740867408588417,0.23962373582897523,0.24644438423711118,0.24692699361699075],"n_dims_used":45,"mean_confidence":0.8863588121202257},"coverage":{"mean_confidence":0.8863588121202257,"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}}