{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002496},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001185","490:4900001891","490:4900001744","490:4900003090","490:4900002342","490:4900000556","490:4900004597","490:4900004593","490:4900001849","490:4900001456","496:4960011645","490:4900002933","490:4900000568","490:4900001073","490:4900004037","490:4900000664","490:4900002806","496:4960006886","490:4900004031","490:4900004592","490:4900003617","490:4900006162","490:4900004319","490:4900001997","490:4900001460"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,496,490,490,490,490,490,490,490],"twin_sims":[0.608733015705337,0.6002379170890458,0.5711554450675986,0.5542603901458409,0.5506561517525993,0.5018324906310598,0.4842862803722812,0.48403186662638503,0.48398493886358823,0.4710068665906073,0.4604948556102595,0.4515693698350763,0.4412205725638886,0.4377374133270111,0.42801825048786285,0.4168949407431048,0.4114538048695418,0.4005060735121237,0.40021531751991474,0.39002579316839053,0.38644131906216017,0.3861156810464229,0.3853128701424259,0.37671605469144565,0.36697025288940055],"twin_dists":[0.12940290172061747,0.13122198055548617,0.13745775765992926,0.14109423287732537,0.1418720161863634,0.15251146157179055,0.1563981188624089,0.15645478061595117,0.15646523314291727,0.15936849664995376,0.16173974375437272,0.16376820349339882,0.16613890053944672,0.16694162395207907,0.16919505122447684,0.17180004436142074,0.17308508190717523,0.1756934794538515,0.1757631875400784,0.17822096314344538,0.17909265618763215,0.17917203567097148,0.17936786958099626,0.18147732972663558,0.1838973659648004],"n_dims_used":45,"mean_confidence":0.9175732082790798},"coverage":{"mean_confidence":0.9175732082790798,"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}}