{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006492},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005613","490:4900007109","490:4900007105","490:4900007595","490:4900006733","490:4900008278","490:4900005614","490:4900005482","490:4900006857","490:4900005474","490:4900006008","490:4900005354","490:4900006373","490:4900006491","490:4900009053","490:4900006973","490:4900006257","490:4900007833","490:4900005070","490:4900012070","490:4900006983","490:4900005480","490:4900006607","490:4900009268","490:4900007825"],"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":[0.5567533127401858,0.4998069226970598,0.4535274632454182,0.37599830197758977,0.35727408652246156,0.31038922632337407,0.3027069414222409,0.2794400997970593,0.24521365760075908,0.21941820921967312,0.20776499402825013,0.20052213024580498,0.17483577634979836,0.14156012591876524,0.13430643062367223,0.12713825216063068,0.118785926987594,0.11867288267691092,0.117217045996366,0.11381739652131478,0.10442047562589982,0.10098734625163515,0.10053386011740327,0.09696174892434854,0.0944722305313469],"twin_dists":[0.1405567228610815,0.15295812018519991,0.16332195244663514,0.18165449889326837,0.18633726325508504,0.19866366751605058,0.20078025587555695,0.20739026699870167,0.2177577590430461,0.22620360953955043,0.23023693096242379,0.2328219376641679,0.24254964854846608,0.256812192450177,0.2602440579896746,0.2637750635622635,0.26808512471201024,0.2681450233452179,0.2689203581802406,0.27076011212011303,0.2760759848128978,0.27811098759960196,0.27838381661840556,0.28056729426444266,0.28212668951793746],"n_dims_used":45,"mean_confidence":0.9221455891927083},"coverage":{"mean_confidence":0.9221455891927083,"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}}