{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003620},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001205","490:4900001872","490:4900002033","487:4870006580","496:4960012202","496:4960008256","496:4960006366","490:4900003345","490:4900002340","490:4900001464","487:4870005703","490:4900000343","490:4900001748","490:4900001467","490:4900001044","490:4900007393","466:4660000001","490:4900001076","490:4900000804","490:4900000955","496:4960000294","496:4960011916","490:4900007269","487:4870005726","490:4900002925"],"twin_admin_codes":[490,490,490,487,496,496,496,490,490,490,487,490,490,490,490,490,466,490,490,490,496,496,490,487,490],"twin_sims":[0.5364686782681992,0.5185372350712202,0.5149863832426519,0.425820745542727,0.3784005453206933,0.3608242229567636,0.35534817273215547,0.3516175444418016,0.33834553993758315,0.33547970379109665,0.3323893330866013,0.32482226169613804,0.32201886983732064,0.3166337291151679,0.315201226440777,0.31471947905538405,0.3120127202577865,0.3108062671064961,0.2988885622430977,0.29467744799828316,0.29420065463644335,0.28846488062739734,0.28841433143134704,0.28497065273923705,0.28464246313215724],"twin_dists":[0.1449421505998241,0.14884584501611334,0.14962249130641248,0.16970742603931743,0.18106217723774215,0.1854400628487838,0.18682590147416306,0.18777634204374252,0.19120132414329868,0.19195025850608016,0.19276176927496178,0.1947664543314758,0.19551568906239292,0.19696523437739671,0.19735316420969354,0.1974838485028643,0.19822023768184707,0.1985496335584352,0.20184388000559692,0.20302617897040856,0.20316066795583493,0.2047887940963682,0.20480322805841794,0.20579013745892571,0.20588456493780197],"n_dims_used":45,"mean_confidence":0.9147230360243056},"coverage":{"mean_confidence":0.9147230360243056,"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}}