{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000337},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000296","490:4900000939","490:4900000506","490:4900000182","490:4900000325","490:4900000236","490:4900000497","490:4900000073","490:4900000234","490:4900000414","490:4900000436","490:4900000491","490:4900000825","490:4900000065","490:4900000031","490:4900000152","490:4900000601","490:4900000575","490:4900000110","490:4900000218","490:4900000490","490:4900001741","490:4900000502","490:4900000098","490:4900000227"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5798038022102315,0.5641498036033328,0.5604487634083645,0.5013018510138747,0.4810770341184178,0.47431999898299604,0.4729728002705933,0.4692489262101242,0.46681816302011375,0.4496993528338602,0.443436997033632,0.43910894812945545,0.41636796380846675,0.41284454879719323,0.4120850133499072,0.40382963474966177,0.3987883923001278,0.3945573489275016,0.3776624420972575,0.3765358852482714,0.3756668610480706,0.35937184072711137,0.35037652202305025,0.3477771556164156,0.34090768975037755],"twin_dists":[0.13560109387054317,0.1389639357793852,0.13976057258843289,0.1526284247919376,0.15711354997988008,0.1586248815921585,0.15892704415027603,0.15976376823894614,0.16031115298049184,0.16419505259579545,0.1656293920168554,0.16662524436258827,0.17192418305074106,0.1727559315426346,0.17293563242297827,0.17489828236016197,0.1761056238349797,0.17712430737063195,0.181243976131177,0.181521787018206,0.1817363671269126,0.18580656450250058,0.18809367606622168,0.18876025734118562,0.1905346410029448],"n_dims_used":45,"mean_confidence":0.916001722547743},"coverage":{"mean_confidence":0.916001722547743,"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}}