{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012866},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012982","490:4900012799","490:4900012804","490:4900012802","490:4900012871","490:4900013187","490:4900013021","490:4900012803","490:4900012321","490:4900012319","490:4900013155","490:4900013149","490:4900012530","497:4970000853","490:4900012531","490:4900013160","490:4900013056","497:4970001685","490:4900000871","490:4900000753","490:4900013120","490:4900012677","490:4900013153","490:4900012872","490:4900012254"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,490,497,490,490,490,490,490,490,490],"twin_sims":[0.28044293628649924,0.27403464359055396,0.2635199142898855,0.21721035191818122,0.20204832058673608,0.1889525263522299,0.17794079845768784,0.16169236233383233,0.1186879804894596,0.11738896657780964,0.11407383550704113,0.1022856520498551,0.09880353761191935,0.09719809121048574,0.0930165704926511,0.08982452759887506,0.08900625219484873,0.07697619755464333,0.06677235238089377,0.06233703933776843,0.058755249947914215,0.05854144902114731,0.05288606360228774,0.04706434735359783,0.04703961489502327],"twin_dists":[0.20709870696967345,0.20897291276817864,0.2121074514846276,0.22695647711584513,0.23227197156614632,0.23708832064418342,0.24132234108891723,0.24792490235575146,0.26813702096201414,0.2688284155199143,0.2706198752845281,0.2773351533658877,0.2794337570777608,0.28042089590640434,0.28305354936750005,0.2851268413480899,0.2856677054109424,0.2941167717896088,0.30216220807071775,0.3059750032671313,0.30921993222620237,0.30941872239622153,0.3149082964858766,0.3210942567696018,0.3211218680069043],"n_dims_used":45,"mean_confidence":0.9090243021647135},"coverage":{"mean_confidence":0.9090243021647135,"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}}