{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002591},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001820","490:4900004421","490:4900001413","490:4900002129","490:4900002282","490:4900003708","490:4900003298","490:4900003038","490:4900004002","490:4900002884","490:4900001687","490:4900003297","490:4900003573","490:4900005630","490:4900002446","490:4900001987","490:4900003992","494:4940007047","490:4900003580","490:4900002279","494:4940008783","490:4900004001","490:4900001417","494:4940008098","490:4900004969"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,494,490,490,494,490],"twin_sims":[0.4484145567175266,0.3912489595178427,0.37559522423690184,0.3444066146588669,0.3395562102326666,0.32179392372427307,0.32165078375123457,0.31181597423155216,0.3000102221724192,0.2965888238506717,0.2920220755717461,0.2796896691938069,0.2764610233752266,0.2731282457097205,0.271156668562912,0.25806529086800545,0.25505694766683257,0.24815144098492226,0.24683935541757057,0.24629775801943257,0.24391990668920113,0.24310455246558738,0.24286705682496373,0.24065729246121037,0.23871242594695327],"twin_dists":[0.1644887043029973,0.17792436903742115,0.18175406656477705,0.18962851988430585,0.1908859655381899,0.19557596556466486,0.19561433357799599,0.1982739052039697,0.2015306181422316,0.20248832324588503,0.20377682674528916,0.2073176490292614,0.20826016373005948,0.2092401596977771,0.20982335928199666,0.21376430527741372,0.214687550723807,0.21683330917071159,0.21724531687143445,0.21741579393387378,0.2181671330194052,0.21842585116475227,0.2185013157888945,0.2192057732012827,0.2198292640571386],"n_dims_used":45,"mean_confidence":0.9201541476779513},"coverage":{"mean_confidence":0.9201541476779513,"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}}