{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010322},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010840","490:4900011019","490:4900010771","490:4900012096","490:4900010769","490:4900012050","490:4900011178","490:4900011695","490:4900008115","490:4900011633","490:4900011639","490:4900008450","490:4900010665","490:4900011317","490:4900011168","490:4900009620","490:4900011584","490:4900011372","490:4900009002","490:4900011003","490:4900011365","490:4900011226","490:4900011161","490:4900011363","490:4900009526"],"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":[0.0425597007688458,0.023464386081623288,0.022199704904739628,0.02062890613564461,0.019867262877068647,0.01948199551127726,0.01622333348943366,0.012681647198737857,0.010904738719003146,0.010246528812263936,0.009806251875007343,0.008913793514256703,0.007881488879652562,0.007051817697075597,0.006761974627167705,0.005367578772783133,0.005097371170325695,0.004841431042601901,0.004131015450256909,0.004112921001393718,0.00396441568579521,0.0036038723927246837,0.003100223267707702,0.0027853847173079566,0.0027063162019829727],"twin_dists":[0.3263364936097118,0.3557836374530257,0.3584007034438012,0.36183796559708187,0.363587424760528,0.3644947580188218,0.37286893984952946,0.38384885055332124,0.39042603193807324,0.39310655092697017,0.3949865226015699,0.39904051383324207,0.4042097357123417,0.4088249945306576,0.41055296830755966,0.41993378023526123,0.42200337328850734,0.4240574018808663,0.43032307868758646,0.43049511006642943,0.4319336013397209,0.4356411716354726,0.44143117986176034,0.4455042978137233,0.44659328317220753],"n_dims_used":45,"mean_confidence":0.8900326199001736},"coverage":{"mean_confidence":0.8900326199001736,"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}}