{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001469},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001732","490:4900004444","490:4900002778","490:4900003072","490:4900002627","490:4900003603","490:4900002017","496:4960004501","490:4900001604","490:4900002022","490:4900004430","490:4900004161","496:4960004653","490:4900003338","496:4960005688","496:4960006496","496:4960005822","490:4900004588","496:4960006626","490:4900003758","496:4960006224","490:4900001701","490:4900002148","490:4900001733","487:4870006447"],"twin_admin_codes":[490,490,490,490,490,490,490,496,490,490,490,490,496,490,496,496,496,490,496,490,496,490,490,490,487],"twin_sims":[0.7921067470305024,0.6446325651769312,0.6412238797828317,0.5954135719338026,0.5938396088576986,0.5720710062507464,0.571061601608975,0.5616506174926161,0.5587905043366332,0.5459688917378144,0.5365266789330734,0.5289300982412968,0.5067492784357446,0.5054724896998241,0.5034379834345903,0.5011949104335375,0.4932169029990786,0.49305957766856895,0.49098754243736475,0.48823773849521557,0.4805917717571562,0.47755949722600277,0.4734906289033895,0.4730292640852418,0.46334025676337837],"twin_dists":[0.0886690162416326,0.12170490888291466,0.122437497075204,0.13225521949129357,0.13259237644429023,0.13726107120287895,0.13747791958296415,0.13950180144497026,0.14011773701951655,0.1428847543022468,0.14492956896817122,0.1465798003594328,0.15142929894750204,0.15171004197679303,0.15215778615923908,0.15265200069217824,0.15441483805022832,0.15444968298365166,0.15490890995009773,0.15551924292902458,0.15722185921594337,0.1578994473687443,0.15881086694800306,0.15891437418789764,0.16109605427711815],"n_dims_used":45,"mean_confidence":0.9175721910264757},"coverage":{"mean_confidence":0.9175721910264757,"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}}