{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010758},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010499","490:4900010759","490:4900010754","490:4900010753","490:4900010836","490:4900011089","490:4900010411","490:4900010677","490:4900010668","490:4900010848","490:4900010424","490:4900010764","490:4900010512","490:4900009438","490:4900010917","490:4900010585","490:4900010846","490:4900010837","490:4900011247","490:4900011300","490:4900011229","490:4900010765","490:4900011164","490:4900011158","490:4900010230"],"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":[0.6339084228587816,0.5672630026909843,0.44333221741421575,0.37187885320277114,0.34149551173255643,0.2986148705881877,0.29172693305857456,0.29150569951820404,0.2635012908242728,0.2584197337763363,0.2464142761944814,0.23403760018247807,0.22320590404279952,0.212177128176352,0.20449303236130023,0.20136988455761579,0.19759683115362184,0.17737366795652898,0.1713217071510941,0.1651624903606166,0.16168323843236723,0.1500514412898325,0.146068828312424,0.12452142798563866,0.11381503362632242],"twin_dists":[0.12400814022130734,0.13829434408273264,0.16565345641160606,0.182674562141611,0.1903820662987319,0.20192042220644707,0.2038605101574177,0.20392327073189329,0.2121130716412703,0.21365597716332613,0.21737909750835832,0.22134160211843976,0.2249237596963544,0.2286922554706011,0.23139693160938543,0.2325160933508372,0.23388419418724513,0.24154536427053128,0.24395754243661155,0.2464760127515616,0.24792874143884855,0.2529571695015611,0.2547445835898503,0.26510163245398183,0.27076140542897226],"n_dims_used":45,"mean_confidence":0.8925694783528646},"coverage":{"mean_confidence":0.8925694783528646,"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}}