{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004592},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003894","490:4900001704","490:4900001319","490:4900003076","490:4900003617","490:4900004457","490:4900001316","490:4900004031","490:4900005673","490:4900003084","496:4960011978","490:4900001338","490:4900000783","490:4900001847","490:4900004593","490:4900001073","490:4900001875","490:4900004182","490:4900003226","490:4900000664","490:4900004306","490:4900004304","496:4960011550","490:4900004022","490:4900003728"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,496,490,490],"twin_sims":[0.7121067809954008,0.6331097338462963,0.5763108698064261,0.5484523198804652,0.5348633566884106,0.5192014635553496,0.50863270883692,0.5077162325456397,0.5062446332577809,0.49210651677734507,0.4818371854365008,0.4792561841634225,0.47882975608111233,0.47796610914079524,0.4590928713675501,0.45809788018573155,0.4576872708902435,0.4514822618590082,0.4508676737971535,0.44898206869540774,0.4474858955512044,0.4387699380208826,0.4385828772393805,0.43660984228982586,0.4362475897919225],"twin_dists":[0.10702278824234811,0.12417950535077191,0.13635065389916323,0.14234799926227412,0.1452904876833542,0.14870070662500534,0.15101550686866652,0.15121680757544642,0.1515402389184134,0.15466083985634452,0.15694395575885683,0.1575201385732296,0.157615429515087,0.15780850632023805,0.16205742014931399,0.16228308619998053,0.16237626454152396,0.16378807208587168,0.16392829492214994,0.16435895543244808,0.16470115537146987,0.1667034095009448,0.16674655003245856,0.16720202017503677,0.16728573368683233],"n_dims_used":45,"mean_confidence":0.9176957872178819},"coverage":{"mean_confidence":0.9176957872178819,"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}}