{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000556},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000783","490:4900001849","490:4900001050","490:4900002496","490:4900000664","490:4900000685","490:4900001073","490:4900003726","490:4900000902","490:4900004037","490:4900008754","490:4900000782","490:4900004446","490:4900002003","490:4900001316","490:4900004457","490:4900000568","490:4900000051","490:4900004593","490:4900003090","490:4900000923","490:4900001997","496:4960009170","490:4900001034","494:4940006268"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,494],"twin_sims":[0.5893801508460417,0.5647932766557452,0.5392042680114977,0.5018324906310598,0.49262698771838864,0.47598956508212287,0.45501720472957535,0.45498261097606935,0.44991766049098103,0.44407256995083166,0.4130497088813747,0.4031121464824669,0.4018889256120368,0.398970618017757,0.394248206671936,0.38790696501385624,0.387732746858473,0.3847608439051489,0.3818661563988687,0.3800913089780776,0.3641879336599577,0.3639066450884658,0.3601134446057894,0.35907020258312305,0.3577173435425763],"twin_dists":[0.1335478438871904,0.13882549937077868,0.14434902844148306,0.15251146157179055,0.15454551123758922,0.15825080741695932,0.16298291384371408,0.16299078215456853,0.16414518770306455,0.16548346891669305,0.17270741675478407,0.1750696986484418,0.1753622571607558,0.1760618619131998,0.17719893445521784,0.17873577299720989,0.17877816150146605,0.17950264087742612,0.18021086477879417,0.18064637999733635,0.18459411750151122,0.18466470716512148,0.18561933006271256,0.1858827762856242,0.18622499326869027],"n_dims_used":45,"mean_confidence":0.9174692789713542},"coverage":{"mean_confidence":0.9174692789713542,"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}}