{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003865},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001996","490:4900003456","490:4900003472","490:4900003068","490:4900002603","490:4900004009","490:4900004292","496:4960007892","490:4900003728","490:4900004022","490:4900002604","490:4900002302","490:4900003866","490:4900003592","490:4900002900","490:4900004304","490:4900004439","490:4900003746","490:4900003357","490:4900003346","490:4900003465","490:4900001992","490:4900002452","490:4900004306","490:4900002741"],"twin_admin_codes":[490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6639899536971698,0.6639725395640182,0.6190882158757283,0.6047279728962072,0.5981513001579545,0.5543085310079575,0.5447448874882882,0.5422549827394761,0.5307653647511786,0.5282437985627908,0.5174322373235178,0.5169722694745141,0.4996251221377272,0.48656424488555144,0.47321633229136467,0.45660675027366626,0.45512703282953215,0.45400404816189804,0.44746479569864384,0.44695608167956236,0.4153910458879806,0.4135006300517409,0.4116796855501355,0.4080832455106153,0.40567465019239596],"twin_dists":[0.11753293227122961,0.11753669607709472,0.12718519127880307,0.13026049205051313,0.13166884677275179,0.14108384957329873,0.14314945921897337,0.14368825654174566,0.1461806709358815,0.1467291313069608,0.1490873929497277,0.1491879765998761,0.15299823364822987,0.15589119125153253,0.15887240138431064,0.16262160803536302,0.1629579350109722,0.16321344587671777,0.16470598434681874,0.16482243626102291,0.1721544919335351,0.17260082291610523,0.1730315892721043,0.17388482722745027,0.174458112205494],"n_dims_used":45,"mean_confidence":0.9184583028157552},"coverage":{"mean_confidence":0.9184583028157552,"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}}