{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001341},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001500","490:4900001370","490:4900001638","490:4900001496","490:4900001366","491:4910001012","490:4900001369","490:4900001235","490:4900001777","490:4900001637","490:4900001502","490:4900002397","490:4900001780","490:4900004074","490:4900003796","491:4910001011","491:4910001451","491:4910001276","490:4900001365","491:4910001450","491:4910001508","490:4900004211","490:4900001503","491:4910001753","491:4910002066"],"twin_admin_codes":[490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,491,491,491,490,491,491,490,490,491,491],"twin_sims":[0.27432951714495263,0.22642139992739188,0.21796206052159742,0.1822572693286393,0.1660774977396257,0.1488495863986443,0.13365558381489817,0.13190341853931345,0.12637359864882014,0.06127602992148504,0.06117416848559986,0.05149048780856055,0.038517880618524236,0.037373834942553336,0.03734723256112783,0.03440330229097126,0.03212616432495563,0.031317075610802006,0.02807479199811203,0.027537016289763794,0.025536125277374255,0.022768957979867256,0.021822042134984943,0.01982560461229292,0.0197761353001994],"twin_dists":[0.2088860877813553,0.22384857197517566,0.2266995738810458,0.23964120159090996,0.24609764035495324,0.253492840417509,0.2605587174499492,0.261411586257818,0.2641605370143325,0.3069199061702243,0.3070113255682531,0.316337472010187,0.3314539771669914,0.3329848340292529,0.3330209007935291,0.33715390500278436,0.3405627285618259,0.3418237185155177,0.34717484694050577,0.3481132525374428,0.35174946581793853,0.3572071243261816,0.35920732152280327,0.3636847890165133,0.3638006414641104],"n_dims_used":44,"mean_confidence":0.9099675958806818},"coverage":{"mean_confidence":0.9099675958806818,"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}}