{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005284},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006306","490:4900002216","490:4900004466","490:4900006423","490:4900005548","490:4900007416","490:4900002518","490:4900005150","491:4910002015","490:4900005016","490:4900005680","491:4910002467","491:4910001865","490:4900005689","491:4910002417","491:4910002160","490:4900002367","490:4900006665","490:4900004330","491:4910002765","490:4900007543","490:4900006669","490:4900012720","491:4910002866","497:4970000326"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,490,490,491,491,490,491,491,490,490,490,491,490,490,490,491,497],"twin_sims":[0.2498134427436877,0.2254185139325595,0.198067948492344,0.19638815870724757,0.13599328828008356,0.0742326306396997,0.059001775047605676,0.0447311305010548,0.044128855611078543,0.03724570077772347,0.03699691747491716,0.036743254629287944,0.028692147453508596,0.028448464186004625,0.025171703610704234,0.023049625712452195,0.021758949026487003,0.021532302762436693,0.02057822319687902,0.018244856465898174,0.01725400356299115,0.014364009523611573,0.013861277944658669,0.013796802859977282,0.012785934363685358],"twin_dists":[0.21631342449778743,0.22418281852103042,0.23371238821536752,0.23432627012390253,0.25943382124749764,0.2961908035448271,0.30899145356954566,0.32375423062259334,0.3244597102598493,0.3331587552830801,0.33349789218222187,0.33384567860938336,0.3461164492876566,0.34653186064136665,0.352438048370254,0.3566281411533695,0.35934325782907384,0.3598344188280387,0.3619526183274871,0.36751827600020176,0.37007215321517983,0.3783353063066996,0.37992033000916653,0.3801272667287563,0.38348879728280305],"n_dims_used":44,"mean_confidence":0.8940143585205078},"coverage":{"mean_confidence":0.8940143585205078,"n_dims_used":44,"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}}