{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006995},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007497","490:4900007483","490:4900007250","490:4900007604","490:4900006869","490:4900001146","490:4900006996","490:4900006749","487:4870003258","487:4870001996","490:4900001050","490:4900006752","494:4940008940","490:4900006643","487:4870001997","487:4870001729","490:4900009793","490:4900004995","487:4870001820","490:4900006767","490:4900001681","490:4900008631","490:4900006748","487:4870001730","490:4900000034"],"twin_admin_codes":[490,490,490,490,490,490,490,490,487,487,490,490,494,490,487,487,490,490,487,490,490,490,490,487,490],"twin_sims":[0.3307390593279946,0.2963096139422625,0.19945813730328404,0.18593664357603593,0.10610602661799307,0.09741056675594344,0.07526469573201501,0.0744694211468799,0.06677906268687382,0.0647310037143862,0.06141050860344276,0.059421057486806345,0.05773348564826289,0.05634420513481811,0.054317952891103374,0.054289828300316534,0.053582905424829574,0.052950098653968256,0.050052227770884146,0.048325975097340886,0.04698733505953188,0.0464287294338919,0.04592144938718722,0.045603273235578584,0.04524116570360601],"twin_dists":[0.19319680633578257,0.20256676443060842,0.23320705755550575,0.23823026205382877,0.27509589690653696,0.28028951990859147,0.2954034599617148,0.2960093828450759,0.3021565984253862,0.3038904818486901,0.3067994040746074,0.30860466273846565,0.31017540360891294,0.3114971759692623,0.31347410254538227,0.3135019690179515,0.3142063641679733,0.31484347454655337,0.31784446593059484,0.31970161242766015,0.3211802730329949,0.3218077441197666,0.3223830615992192,0.32274663458176867,0.32316300266442055],"n_dims_used":44,"mean_confidence":0.92203443700617},"coverage":{"mean_confidence":0.92203443700617,"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}}